X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=test%2Fverify_test.cc;h=35c087e7f08891e09e4b744b72c59ac28d47c2ea;hb=c59e6c0e64f95afc7c33168e7c7562502411bd01;hp=d3c17b7797c48cd923d08311ee1d9b6bb38fa607;hpb=2c3f7f03e50c6bb618b3f1b321b4ed27788152f9;p=libdcp.git

diff --git a/test/verify_test.cc b/test/verify_test.cc
index d3c17b77..35c087e7 100644
--- a/test/verify_test.cc
+++ b/test/verify_test.cc
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2018-2020 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2018-2021 Carl Hetherington <cth@carlh.net>
 
     This file is part of libdcp.
 
@@ -31,23 +31,30 @@
     files in the program, then also delete it here.
 */
 
-#include "verify.h"
-#include "util.h"
-#include "j2k.h"
-#include "reel.h"
-#include "reel_mono_picture_asset.h"
+#include "compose.hpp"
 #include "cpl.h"
 #include "dcp.h"
-#include "openjpeg_image.h"
+#include "interop_subtitle_asset.h"
+#include "j2k_transcode.h"
 #include "mono_picture_asset.h"
 #include "mono_picture_asset_writer.h"
-#include "interop_subtitle_asset.h"
-#include "smpte_subtitle_asset.h"
+#include "openjpeg_image.h"
+#include "raw_convert.h"
+#include "reel.h"
+#include "reel_closed_caption_asset.h"
+#include "reel_markers_asset.h"
+#include "reel_mono_picture_asset.h"
+#include "reel_sound_asset.h"
+#include "reel_stereo_picture_asset.h"
 #include "reel_subtitle_asset.h"
-#include "compose.hpp"
+#include "smpte_subtitle_asset.h"
+#include "stereo_picture_asset.h"
+#include "stream_operators.h"
 #include "test.h"
+#include "util.h"
+#include "verify.h"
+#include "verify_j2k.h"
 #include <boost/test/unit_test.hpp>
-#include <boost/foreach.hpp>
 #include <boost/algorithm/string.hpp>
 #include <cstdio>
 #include <iostream>
@@ -57,14 +64,23 @@ using std::pair;
 using std::string;
 using std::vector;
 using std::make_pair;
+using std::make_shared;
 using boost::optional;
+using namespace boost::filesystem;
 using std::shared_ptr;
 
 
-static list<pair<string, optional<boost::filesystem::path> > > stages;
+static list<pair<string, optional<path>>> stages;
+static string const dcp_test1_pkl_id = "6af1e0c1-c441-47f8-a502-3efd46b1fa4f";
+static string const dcp_test1_pkl = "pkl_" + dcp_test1_pkl_id + ".xml";
+static string const dcp_test1_cpl_id = "81fb54df-e1bf-4647-8788-ea7ba154375b";
+static string const dcp_test1_cpl = "cpl_" + dcp_test1_cpl_id + ".xml";
+static string const dcp_test1_asset_map_id = "5d51e8a1-b2a5-4da6-9b66-4615c3609440";
+static string const encryption_test_cpl_id = "81fb54df-e1bf-4647-8788-ea7ba154375b";
+static string const encryption_test_pkl_id = "627ad740-ae36-4c49-92bb-553a9f09c4f8";
 
 static void
-stage (string s, optional<boost::filesystem::path> p)
+stage (string s, optional<path> p)
 {
 	stages.push_back (make_pair (s, p));
 }
@@ -75,19 +91,49 @@ progress (float)
 
 }
 
-static vector<boost::filesystem::path>
-setup (int reference_number, int verify_test_number)
+static void
+prepare_directory (path path)
+{
+	using namespace boost::filesystem;
+	remove_all (path);
+	create_directories (path);
+}
+
+
+static path
+setup (int reference_number, string verify_test_suffix)
 {
-	boost::filesystem::remove_all (dcp::String::compose("build/test/verify_test%1", verify_test_number));
-	boost::filesystem::create_directory (dcp::String::compose("build/test/verify_test%1", verify_test_number));
-	for (boost::filesystem::directory_iterator i(dcp::String::compose("test/ref/DCP/dcp_test%1", reference_number)); i != boost::filesystem::directory_iterator(); ++i) {
-		boost::filesystem::copy_file (i->path(), dcp::String::compose("build/test/verify_test%1", verify_test_number) / i->path().filename());
+	auto const dir = dcp::String::compose("build/test/verify_test%1", verify_test_suffix);
+	prepare_directory (dir);
+	for (auto i: directory_iterator(dcp::String::compose("test/ref/DCP/dcp_test%1", reference_number))) {
+		copy_file (i.path(), dir / i.path().filename());
 	}
 
-	vector<boost::filesystem::path> directories;
-	directories.push_back (dcp::String::compose("build/test/verify_test%1", verify_test_number));
-	return directories;
+	return dir;
+}
+
+
+static
+shared_ptr<dcp::CPL>
+write_dcp_with_single_asset (path dir, shared_ptr<dcp::ReelAsset> reel_asset, dcp::Standard standard = dcp::Standard::SMPTE)
+{
+	auto reel = make_shared<dcp::Reel>();
+	reel->add (reel_asset);
+	reel->add (simple_markers());
+
+	auto cpl = make_shared<dcp::CPL>("hello", dcp::ContentKind::TRAILER);
+	cpl->add (reel);
+	auto dcp = make_shared<dcp::DCP>(dir);
+	dcp->add (cpl);
+	dcp->write_xml (
+		standard,
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::LocalTime().as_string(),
+		"hello"
+		);
 
+	return cpl;
 }
 
 
@@ -97,7 +143,7 @@ setup (int reference_number, int verify_test_number)
 class Editor
 {
 public:
-	Editor (boost::filesystem::path path)
+	Editor (path path)
 		: _path(path)
 	{
 		_content = dcp::file_to_string (_path);
@@ -105,7 +151,7 @@ public:
 
 	~Editor ()
 	{
-		FILE* f = fopen(_path.string().c_str(), "w");
+		auto f = fopen(_path.string().c_str(), "w");
 		BOOST_REQUIRE (f);
 		fwrite (_content.c_str(), _content.length(), 1, f);
 		fclose (f);
@@ -113,11 +159,34 @@ public:
 
 	void replace (string a, string b)
 	{
+		auto old_content = _content;
 		boost::algorithm::replace_all (_content, a, b);
+		BOOST_REQUIRE (_content != old_content);
+	}
+
+	void delete_lines (string from, string to)
+	{
+		vector<string> lines;
+		boost::algorithm::split (lines, _content, boost::is_any_of("\r\n"), boost::token_compress_on);
+		bool deleting = false;
+		auto old_content = _content;
+		_content = "";
+		for (auto i: lines) {
+			if (i.find(from) != string::npos) {
+				deleting = true;
+			}
+			if (!deleting) {
+				_content += i + "\n";
+			}
+			if (deleting && i.find(to) != string::npos) {
+				deleting = false;
+			}
+		}
+		BOOST_REQUIRE (_content != old_content);
 	}
 
 private:
-	boost::filesystem::path _path;
+	path _path;
 	std::string _content;
 };
 
@@ -125,424 +194,388 @@ private:
 #if 0
 static
 void
-dump_notes (list<dcp::VerificationNote> const & notes)
+dump_notes (vector<dcp::VerificationNote> const & notes)
 {
-	BOOST_FOREACH (dcp::VerificationNote i, notes) {
+	for (auto i: notes) {
 		std::cout << dcp::note_to_string(i) << "\n";
 	}
 }
 #endif
 
-/* Check DCP as-is (should be OK) */
-BOOST_AUTO_TEST_CASE (verify_test1)
+
+static
+void
+check_verify_result (vector<path> dir, vector<dcp::VerificationNote> test_notes)
+{
+	auto notes = dcp::verify ({dir}, &stage, &progress, xsd_test);
+	BOOST_REQUIRE_EQUAL (notes.size(), test_notes.size());
+	for (auto i = 0U; i < notes.size(); ++i) {
+		BOOST_REQUIRE_EQUAL (notes[i], test_notes[i]);
+	}
+}
+
+
+static
+void
+check_verify_result_after_replace (string suffix, boost::function<path (string)> file, string from, string to, vector<dcp::VerificationNote::Code> codes)
+{
+	auto dir = setup (1, suffix);
+
+	{
+		Editor e (file(suffix));
+		e.replace (from, to);
+	}
+
+	auto notes = dcp::verify ({dir}, &stage, &progress, xsd_test);
+
+	BOOST_REQUIRE_EQUAL (notes.size(), codes.size());
+	auto i = notes.begin();
+	auto j = codes.begin();
+	while (i != notes.end()) {
+		BOOST_CHECK_EQUAL (i->code(), *j);
+		++i;
+		++j;
+	}
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_no_error)
 {
 	stages.clear ();
-	vector<boost::filesystem::path> directories = setup (1, 1);
-	list<dcp::VerificationNote> notes = dcp::verify (directories, &stage, &progress, xsd_test);
+	auto dir = setup (1, "no_error");
+	auto notes = dcp::verify ({dir}, &stage, &progress, xsd_test);
 
-	boost::filesystem::path const cpl_file = "build/test/verify_test1/cpl_81fb54df-e1bf-4647-8788-ea7ba154375b.xml";
-	boost::filesystem::path const pkl_file = "build/test/verify_test1/pkl_cd49971e-bf4c-4594-8474-54ebef09a40c.xml";
-	boost::filesystem::path const assetmap_file = "build/test/verify_test1/ASSETMAP.xml";
+	path const cpl_file = dir / dcp_test1_cpl;
+	path const pkl_file = dir / dcp_test1_pkl;
+	path const assetmap_file = dir / "ASSETMAP.xml";
 
-	list<pair<string, optional<boost::filesystem::path> > >::const_iterator st = stages.begin();
+	auto st = stages.begin();
 	BOOST_CHECK_EQUAL (st->first, "Checking DCP");
 	BOOST_REQUIRE (st->second);
-	BOOST_CHECK_EQUAL (st->second.get(), boost::filesystem::canonical("build/test/verify_test1"));
+	BOOST_CHECK_EQUAL (st->second.get(), canonical(dir));
 	++st;
 	BOOST_CHECK_EQUAL (st->first, "Checking CPL");
 	BOOST_REQUIRE (st->second);
-	BOOST_CHECK_EQUAL (st->second.get(), boost::filesystem::canonical(cpl_file));
+	BOOST_CHECK_EQUAL (st->second.get(), canonical(cpl_file));
 	++st;
 	BOOST_CHECK_EQUAL (st->first, "Checking reel");
 	BOOST_REQUIRE (!st->second);
 	++st;
 	BOOST_CHECK_EQUAL (st->first, "Checking picture asset hash");
 	BOOST_REQUIRE (st->second);
-	BOOST_CHECK_EQUAL (st->second.get(), boost::filesystem::canonical("build/test/verify_test1/video.mxf"));
+	BOOST_CHECK_EQUAL (st->second.get(), canonical(dir / "video.mxf"));
 	++st;
 	BOOST_CHECK_EQUAL (st->first, "Checking picture frame sizes");
 	BOOST_REQUIRE (st->second);
-	BOOST_CHECK_EQUAL (st->second.get(), boost::filesystem::canonical("build/test/verify_test1/video.mxf"));
+	BOOST_CHECK_EQUAL (st->second.get(), canonical(dir / "video.mxf"));
 	++st;
 	BOOST_CHECK_EQUAL (st->first, "Checking sound asset hash");
 	BOOST_REQUIRE (st->second);
-	BOOST_CHECK_EQUAL (st->second.get(), boost::filesystem::canonical("build/test/verify_test1/audio.mxf"));
+	BOOST_CHECK_EQUAL (st->second.get(), canonical(dir / "audio.mxf"));
+	++st;
+	BOOST_CHECK_EQUAL (st->first, "Checking sound asset metadata");
+	BOOST_REQUIRE (st->second);
+	BOOST_CHECK_EQUAL (st->second.get(), canonical(dir / "audio.mxf"));
 	++st;
 	BOOST_CHECK_EQUAL (st->first, "Checking PKL");
 	BOOST_REQUIRE (st->second);
-	BOOST_CHECK_EQUAL (st->second.get(), boost::filesystem::canonical(pkl_file));
+	BOOST_CHECK_EQUAL (st->second.get(), canonical(pkl_file));
 	++st;
 	BOOST_CHECK_EQUAL (st->first, "Checking ASSETMAP");
 	BOOST_REQUIRE (st->second);
-	BOOST_CHECK_EQUAL (st->second.get(), boost::filesystem::canonical(assetmap_file));
+	BOOST_CHECK_EQUAL (st->second.get(), canonical(assetmap_file));
 	++st;
 	BOOST_REQUIRE (st == stages.end());
 
 	BOOST_CHECK_EQUAL (notes.size(), 0);
 }
 
-/* Corrupt the MXFs and check that this is spotted */
-BOOST_AUTO_TEST_CASE (verify_test2)
+
+BOOST_AUTO_TEST_CASE (verify_incorrect_picture_sound_hash)
 {
-	vector<boost::filesystem::path> directories = setup (1, 2);
+	using namespace boost::filesystem;
+
+	auto dir = setup (1, "incorrect_picture_sound_hash");
 
-	FILE* mod = fopen("build/test/verify_test2/video.mxf", "r+b");
+	auto video_path = path(dir / "video.mxf");
+	auto mod = fopen(video_path.string().c_str(), "r+b");
 	BOOST_REQUIRE (mod);
 	fseek (mod, 4096, SEEK_SET);
 	int x = 42;
 	fwrite (&x, sizeof(x), 1, mod);
 	fclose (mod);
 
-	mod = fopen("build/test/verify_test2/audio.mxf", "r+b");
+	auto audio_path = path(dir / "audio.mxf");
+	mod = fopen(audio_path.string().c_str(), "r+b");
 	BOOST_REQUIRE (mod);
 	BOOST_REQUIRE_EQUAL (fseek(mod, -64, SEEK_END), 0);
 	BOOST_REQUIRE (fwrite (&x, sizeof(x), 1, mod) == 1);
 	fclose (mod);
 
-	list<dcp::VerificationNote> notes;
-	{
-		dcp::ASDCPErrorSuspender sus;
-		notes = dcp::verify (directories, &stage, &progress, xsd_test);
-	}
-
-	BOOST_REQUIRE_EQUAL (notes.size(), 2);
-	BOOST_CHECK_EQUAL (notes.front().type(), dcp::VerificationNote::VERIFY_ERROR);
-	BOOST_CHECK_EQUAL (notes.front().code(), dcp::VerificationNote::PICTURE_HASH_INCORRECT);
-	BOOST_CHECK_EQUAL (notes.back().type(), dcp::VerificationNote::VERIFY_ERROR);
-	BOOST_CHECK_EQUAL (notes.back().code(), dcp::VerificationNote::SOUND_HASH_INCORRECT);
+	dcp::ASDCPErrorSuspender sus;
+	check_verify_result (
+		{ dir },
+		{
+			{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::INCORRECT_PICTURE_HASH, canonical(video_path) },
+			{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::INCORRECT_SOUND_HASH, canonical(audio_path) },
+		});
 }
 
-/* Corrupt the hashes in the PKL and check that the disagreement between CPL and PKL is spotted */
-BOOST_AUTO_TEST_CASE (verify_test3)
+
+BOOST_AUTO_TEST_CASE (verify_mismatched_picture_sound_hashes)
 {
-	vector<boost::filesystem::path> directories = setup (1, 3);
+	using namespace boost::filesystem;
+
+	auto dir = setup (1, "mismatched_picture_sound_hashes");
 
 	{
-		Editor e ("build/test/verify_test3/pkl_cd49971e-bf4c-4594-8474-54ebef09a40c.xml");
+		Editor e (dir / dcp_test1_pkl);
 		e.replace ("<Hash>", "<Hash>x");
 	}
 
-	list<dcp::VerificationNote> notes = dcp::verify (directories, &stage, &progress, xsd_test);
-
-	BOOST_REQUIRE_EQUAL (notes.size(), 6);
-	list<dcp::VerificationNote>::const_iterator i = notes.begin();
-	BOOST_CHECK_EQUAL (i->type(), dcp::VerificationNote::VERIFY_ERROR);
-	BOOST_CHECK_EQUAL (i->code(), dcp::VerificationNote::CPL_HASH_INCORRECT);
-	++i;
-	BOOST_CHECK_EQUAL (i->type(), dcp::VerificationNote::VERIFY_ERROR);
-	BOOST_CHECK_EQUAL (i->code(), dcp::VerificationNote::PKL_CPL_PICTURE_HASHES_DISAGREE);
-	++i;
-	BOOST_CHECK_EQUAL (i->type(), dcp::VerificationNote::VERIFY_ERROR);
-	BOOST_CHECK_EQUAL (i->code(), dcp::VerificationNote::PKL_CPL_SOUND_HASHES_DISAGREE);
-	++i;
-	BOOST_CHECK_EQUAL (i->type(), dcp::VerificationNote::VERIFY_ERROR);
-	BOOST_CHECK_EQUAL (i->code(), dcp::VerificationNote::XML_VALIDATION_ERROR);
-	++i;
-	BOOST_CHECK_EQUAL (i->type(), dcp::VerificationNote::VERIFY_ERROR);
-	BOOST_CHECK_EQUAL (i->code(), dcp::VerificationNote::XML_VALIDATION_ERROR);
-	++i;
-	BOOST_CHECK_EQUAL (i->type(), dcp::VerificationNote::VERIFY_ERROR);
-	BOOST_CHECK_EQUAL (i->code(), dcp::VerificationNote::XML_VALIDATION_ERROR);
-	++i;
+	check_verify_result (
+		{ dir },
+		{
+			{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::MISMATCHED_CPL_HASHES, dcp_test1_cpl_id, canonical(dir / dcp_test1_cpl) },
+			{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::MISMATCHED_PICTURE_HASHES, canonical(dir / "video.mxf") },
+			{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::MISMATCHED_SOUND_HASHES, canonical(dir / "audio.mxf") },
+			{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::INVALID_XML, "value 'xSEEi70vx1WQs67bmu2zKvzIkXvY=' is invalid Base64-encoded binary", canonical(dir / dcp_test1_pkl), 12 },
+			{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::INVALID_XML, "value 'xaddO7je2lZSNQp55qjCWo5DLKFQ=' is invalid Base64-encoded binary", canonical(dir / dcp_test1_pkl), 19 },
+			{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::INVALID_XML, "value 'xWU0/u1wM17y7Kriq06+65/ViX1o=' is invalid Base64-encoded binary", canonical(dir / dcp_test1_pkl), 26 }
+		});
 }
 
-/* Corrupt the ContentKind in the CPL */
-BOOST_AUTO_TEST_CASE (verify_test4)
+
+BOOST_AUTO_TEST_CASE (verify_failed_read_content_kind)
 {
-	vector<boost::filesystem::path> directories = setup (1, 4);
+	auto dir = setup (1, "failed_read_content_kind");
 
 	{
-		Editor e ("build/test/verify_test4/cpl_81fb54df-e1bf-4647-8788-ea7ba154375b.xml");
+		Editor e (dir / dcp_test1_cpl);
 		e.replace ("<ContentKind>", "<ContentKind>x");
 	}
 
-	list<dcp::VerificationNote> notes = dcp::verify (directories, &stage, &progress, xsd_test);
-
-	BOOST_REQUIRE_EQUAL (notes.size(), 1);
-	BOOST_CHECK_EQUAL (notes.front().code(), dcp::VerificationNote::GENERAL_READ);
-	BOOST_CHECK_EQUAL (*notes.front().note(), "Bad content kind 'xfeature'");
+	check_verify_result (
+		{ dir },
+		{{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::FAILED_READ, string("Bad content kind 'xtrailer'")}}
+		);
 }
 
-static
-boost::filesystem::path
-cpl (int n)
-{
-	return dcp::String::compose("build/test/verify_test%1/cpl_81fb54df-e1bf-4647-8788-ea7ba154375b.xml", n);
-}
 
 static
-boost::filesystem::path
-pkl (int n)
+path
+cpl (string suffix)
 {
-	return dcp::String::compose("build/test/verify_test%1/pkl_cd49971e-bf4c-4594-8474-54ebef09a40c.xml", n);
+	return dcp::String::compose("build/test/verify_test%1/%2", suffix, dcp_test1_cpl);
 }
 
-static
-boost::filesystem::path
-asset_map (int n)
-{
-	return dcp::String::compose("build/test/verify_test%1/ASSETMAP.xml", n);
-}
 
 static
-void check_after_replace (int n, boost::function<boost::filesystem::path (int)> file, string from, string to, dcp::VerificationNote::Code code1)
+path
+pkl (string suffix)
 {
-	vector<boost::filesystem::path> directories = setup (1, n);
-
-	{
-		Editor e (file(n));
-		e.replace (from, to);
-	}
-
-	list<dcp::VerificationNote> notes = dcp::verify (directories, &stage, &progress, xsd_test);
-
-	BOOST_REQUIRE_EQUAL (notes.size(), 1);
-	BOOST_CHECK_EQUAL (notes.front().code(), code1);
+	return dcp::String::compose("build/test/verify_test%1/%2", suffix, dcp_test1_pkl);
 }
 
-static
-void check_after_replace (int n, boost::function<boost::filesystem::path (int)> file, string from, string to, dcp::VerificationNote::Code code1, dcp::VerificationNote::Code code2)
-{
-	vector<boost::filesystem::path> directories = setup (1, n);
-
-	{
-		Editor e (file(n));
-		e.replace (from, to);
-	}
-
-	list<dcp::VerificationNote> notes = dcp::verify (directories, &stage, &progress, xsd_test);
-
-	BOOST_REQUIRE_EQUAL (notes.size(), 2);
-	BOOST_CHECK_EQUAL (notes.front().code(), code1);
-	BOOST_CHECK_EQUAL (notes.back().code(), code2);
-}
 
 static
-void check_after_replace (
-	int n, boost::function<boost::filesystem::path (int)> file,
-	string from,
-	string to,
-	dcp::VerificationNote::Code code1,
-	dcp::VerificationNote::Code code2,
-	dcp::VerificationNote::Code code3
-	)
+path
+asset_map (string suffix)
 {
-	vector<boost::filesystem::path> directories = setup (1, n);
-
-	{
-		Editor e (file(n));
-		e.replace (from, to);
-	}
-
-	list<dcp::VerificationNote> notes = dcp::verify (directories, &stage, &progress, xsd_test);
-
-	BOOST_REQUIRE_EQUAL (notes.size(), 3);
-	list<dcp::VerificationNote>::const_iterator i = notes.begin ();
-	BOOST_CHECK_EQUAL (i->code(), code1);
-	++i;
-	BOOST_CHECK_EQUAL (i->code(), code2);
-	++i;
-	BOOST_CHECK_EQUAL (i->code(), code3);
+	return dcp::String::compose("build/test/verify_test%1/ASSETMAP.xml", suffix);
 }
 
-/* FrameRate */
-BOOST_AUTO_TEST_CASE (verify_test5)
+
+BOOST_AUTO_TEST_CASE (verify_invalid_picture_frame_rate)
 {
-	check_after_replace (
-			5, &cpl,
+	check_verify_result_after_replace (
+			"invalid_picture_frame_rate", &cpl,
 			"<FrameRate>24 1", "<FrameRate>99 1",
-			dcp::VerificationNote::CPL_HASH_INCORRECT,
-			dcp::VerificationNote::INVALID_PICTURE_FRAME_RATE
+			{ dcp::VerificationNote::Code::MISMATCHED_CPL_HASHES,
+			  dcp::VerificationNote::Code::INVALID_PICTURE_FRAME_RATE }
 			);
 }
 
-/* Missing asset */
-BOOST_AUTO_TEST_CASE (verify_test6)
+BOOST_AUTO_TEST_CASE (verify_missing_asset)
 {
-	vector<boost::filesystem::path> directories = setup (1, 6);
-
-	boost::filesystem::remove ("build/test/verify_test6/video.mxf");
-	list<dcp::VerificationNote> notes = dcp::verify (directories, &stage, &progress, xsd_test);
-
-	BOOST_REQUIRE_EQUAL (notes.size(), 1);
-	BOOST_CHECK_EQUAL (notes.front().type(), dcp::VerificationNote::VERIFY_ERROR);
-	BOOST_CHECK_EQUAL (notes.front().code(), dcp::VerificationNote::MISSING_ASSET);
+	auto dir = setup (1, "missing_asset");
+	remove (dir / "video.mxf");
+	check_verify_result (
+		{ dir },
+		{
+			{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::MISSING_ASSET, canonical(dir) / "video.mxf" }
+		});
 }
 
-static
-boost::filesystem::path
-assetmap (int n)
-{
-	return dcp::String::compose("build/test/verify_test%1/ASSETMAP.xml", n);
-}
 
-/* Empty asset filename in ASSETMAP */
-BOOST_AUTO_TEST_CASE (verify_test7)
+BOOST_AUTO_TEST_CASE (verify_empty_asset_path)
 {
-	check_after_replace (
-			7, &assetmap,
+	check_verify_result_after_replace (
+			"empty_asset_path", &asset_map,
 			"<Path>video.mxf</Path>", "<Path></Path>",
-			dcp::VerificationNote::EMPTY_ASSET_PATH
+			{ dcp::VerificationNote::Code::EMPTY_ASSET_PATH }
 			);
 }
 
-/* Mismatched standard */
-BOOST_AUTO_TEST_CASE (verify_test8)
+
+BOOST_AUTO_TEST_CASE (verify_mismatched_standard)
 {
-	check_after_replace (
-			8, &cpl,
+	check_verify_result_after_replace (
+			"mismatched_standard", &cpl,
 			"http://www.smpte-ra.org/schemas/429-7/2006/CPL", "http://www.digicine.com/PROTO-ASDCP-CPL-20040511#",
-			dcp::VerificationNote::MISMATCHED_STANDARD,
-			dcp::VerificationNote::XML_VALIDATION_ERROR,
-			dcp::VerificationNote::CPL_HASH_INCORRECT
+			{ dcp::VerificationNote::Code::MISMATCHED_STANDARD,
+			  dcp::VerificationNote::Code::INVALID_XML,
+			  dcp::VerificationNote::Code::INVALID_XML,
+			  dcp::VerificationNote::Code::INVALID_XML,
+			  dcp::VerificationNote::Code::INVALID_XML,
+			  dcp::VerificationNote::Code::INVALID_XML,
+			  dcp::VerificationNote::Code::MISMATCHED_CPL_HASHES }
 			);
 }
 
-/* Badly formatted <Id> in CPL */
-BOOST_AUTO_TEST_CASE (verify_test9)
+
+BOOST_AUTO_TEST_CASE (verify_invalid_xml_cpl_id)
 {
-	/* There's no CPL_HASH_INCORRECT error here because it can't find the correct hash by ID (since the ID is wrong) */
-	check_after_replace (
-			9, &cpl,
+	/* There's no MISMATCHED_CPL_HASHES error here because it can't find the correct hash by ID (since the ID is wrong) */
+	check_verify_result_after_replace (
+			"invalid_xml_cpl_id", &cpl,
 			"<Id>urn:uuid:81fb54df-e1bf-4647-8788-ea7ba154375b", "<Id>urn:uuid:81fb54df-e1bf-4647-8788-ea7ba154375",
-			dcp::VerificationNote::XML_VALIDATION_ERROR
+			{ dcp::VerificationNote::Code::INVALID_XML }
 			);
 }
 
-/* Badly formatted <IssueDate> in CPL */
-BOOST_AUTO_TEST_CASE (verify_test10)
+
+BOOST_AUTO_TEST_CASE (verify_invalid_xml_issue_date)
 {
-	check_after_replace (
-			10, &cpl,
+	check_verify_result_after_replace (
+			"invalid_xml_issue_date", &cpl,
 			"<IssueDate>", "<IssueDate>x",
-			dcp::VerificationNote::XML_VALIDATION_ERROR,
-			dcp::VerificationNote::CPL_HASH_INCORRECT
+			{ dcp::VerificationNote::Code::INVALID_XML,
+			  dcp::VerificationNote::Code::MISMATCHED_CPL_HASHES }
 			);
 }
 
-/* Badly-formatted <Id> in PKL */
-BOOST_AUTO_TEST_CASE (verify_test11)
+
+BOOST_AUTO_TEST_CASE (verify_invalid_xml_pkl_id)
 {
-	check_after_replace (
-		11, &pkl,
-		"<Id>urn:uuid:cd4", "<Id>urn:uuid:xd4",
-		dcp::VerificationNote::XML_VALIDATION_ERROR
+	check_verify_result_after_replace (
+		"invalid_xml_pkl_id", &pkl,
+		"<Id>urn:uuid:" + dcp_test1_pkl_id.substr(0, 3),
+		"<Id>urn:uuid:x" + dcp_test1_pkl_id.substr(1, 2),
+		{ dcp::VerificationNote::Code::INVALID_XML }
 		);
 }
 
-/* Badly-formatted <Id> in ASSETMAP */
-BOOST_AUTO_TEST_CASE (verify_test12)
+
+BOOST_AUTO_TEST_CASE (verify_invalid_xml_asset_map_id)
 {
-	check_after_replace (
-		12, &asset_map,
-		"<Id>urn:uuid:63c", "<Id>urn:uuid:x3c",
-		dcp::VerificationNote::XML_VALIDATION_ERROR
+	check_verify_result_after_replace (
+		"invalix_xml_asset_map_id", &asset_map,
+		"<Id>urn:uuid:" + dcp_test1_asset_map_id.substr(0, 3),
+		"<Id>urn:uuid:x" + dcp_test1_asset_map_id.substr(1, 2),
+		{ dcp::VerificationNote::Code::INVALID_XML }
 		);
 }
 
-/* Basic test of an Interop DCP */
-BOOST_AUTO_TEST_CASE (verify_test13)
+
+BOOST_AUTO_TEST_CASE (verify_invalid_standard)
 {
 	stages.clear ();
-	vector<boost::filesystem::path> directories = setup (3, 13);
-	list<dcp::VerificationNote> notes = dcp::verify (directories, &stage, &progress, xsd_test);
+	auto dir = setup (3, "verify_invalid_standard");
+	auto notes = dcp::verify ({dir}, &stage, &progress, xsd_test);
 
-	boost::filesystem::path const cpl_file = "build/test/verify_test13/cpl_cbfd2bc0-21cf-4a8f-95d8-9cddcbe51296.xml";
-	boost::filesystem::path const pkl_file = "build/test/verify_test13/pkl_d87a950c-bd6f-41f6-90cc-56ccd673e131.xml";
-	boost::filesystem::path const assetmap_file = "build/test/verify_test13/ASSETMAP";
+	path const cpl_file = dir / "cpl_cbfd2bc0-21cf-4a8f-95d8-9cddcbe51296.xml";
+	path const pkl_file = dir / "pkl_d87a950c-bd6f-41f6-90cc-56ccd673e131.xml";
+	path const assetmap_file = dir / "ASSETMAP";
 
-	list<pair<string, optional<boost::filesystem::path> > >::const_iterator st = stages.begin();
+	auto st = stages.begin();
 	BOOST_CHECK_EQUAL (st->first, "Checking DCP");
 	BOOST_REQUIRE (st->second);
-	BOOST_CHECK_EQUAL (st->second.get(), boost::filesystem::canonical("build/test/verify_test13"));
+	BOOST_CHECK_EQUAL (st->second.get(), canonical(dir));
 	++st;
 	BOOST_CHECK_EQUAL (st->first, "Checking CPL");
 	BOOST_REQUIRE (st->second);
-	BOOST_CHECK_EQUAL (st->second.get(), boost::filesystem::canonical(cpl_file));
+	BOOST_CHECK_EQUAL (st->second.get(), canonical(cpl_file));
 	++st;
 	BOOST_CHECK_EQUAL (st->first, "Checking reel");
 	BOOST_REQUIRE (!st->second);
 	++st;
 	BOOST_CHECK_EQUAL (st->first, "Checking picture asset hash");
 	BOOST_REQUIRE (st->second);
-	BOOST_CHECK_EQUAL (st->second.get(), boost::filesystem::canonical("build/test/verify_test13/j2c_c6035f97-b07d-4e1c-944d-603fc2ddc242.mxf"));
+	BOOST_CHECK_EQUAL (st->second.get(), canonical(dir / "j2c_c6035f97-b07d-4e1c-944d-603fc2ddc242.mxf"));
 	++st;
 	BOOST_CHECK_EQUAL (st->first, "Checking picture frame sizes");
 	BOOST_REQUIRE (st->second);
-	BOOST_CHECK_EQUAL (st->second.get(), boost::filesystem::canonical("build/test/verify_test13/j2c_c6035f97-b07d-4e1c-944d-603fc2ddc242.mxf"));
+	BOOST_CHECK_EQUAL (st->second.get(), canonical(dir / "j2c_c6035f97-b07d-4e1c-944d-603fc2ddc242.mxf"));
 	++st;
 	BOOST_CHECK_EQUAL (st->first, "Checking sound asset hash");
 	BOOST_REQUIRE (st->second);
-	BOOST_CHECK_EQUAL (st->second.get(), boost::filesystem::canonical("build/test/verify_test13/pcm_69cf9eaf-9a99-4776-b022-6902208626c3.mxf"));
+	BOOST_CHECK_EQUAL (st->second.get(), canonical(dir / "pcm_69cf9eaf-9a99-4776-b022-6902208626c3.mxf"));
+	++st;
+	BOOST_CHECK_EQUAL (st->first, "Checking sound asset metadata");
+	BOOST_REQUIRE (st->second);
+	BOOST_CHECK_EQUAL (st->second.get(), canonical(dir / "pcm_69cf9eaf-9a99-4776-b022-6902208626c3.mxf"));
 	++st;
 	BOOST_CHECK_EQUAL (st->first, "Checking PKL");
 	BOOST_REQUIRE (st->second);
-	BOOST_CHECK_EQUAL (st->second.get(), boost::filesystem::canonical(pkl_file));
+	BOOST_CHECK_EQUAL (st->second.get(), canonical(pkl_file));
 	++st;
 	BOOST_CHECK_EQUAL (st->first, "Checking ASSETMAP");
 	BOOST_REQUIRE (st->second);
-	BOOST_CHECK_EQUAL (st->second.get(), boost::filesystem::canonical(assetmap_file));
+	BOOST_CHECK_EQUAL (st->second.get(), canonical(assetmap_file));
 	++st;
 	BOOST_REQUIRE (st == stages.end());
 
-	BOOST_REQUIRE_EQUAL (notes.size(), 1U);
-	list<dcp::VerificationNote>::const_iterator i = notes.begin ();
-	BOOST_CHECK_EQUAL (i->type(), dcp::VerificationNote::VERIFY_BV21_ERROR);
-	BOOST_CHECK_EQUAL (i->code(), dcp::VerificationNote::NOT_SMPTE);
+	BOOST_REQUIRE_EQUAL (notes.size(), 2U);
+	auto i = notes.begin ();
+	BOOST_CHECK_EQUAL (i->type(), dcp::VerificationNote::Type::BV21_ERROR);
+	BOOST_CHECK_EQUAL (i->code(), dcp::VerificationNote::Code::INVALID_STANDARD);
+	++i;
+	BOOST_CHECK_EQUAL (i->type(), dcp::VerificationNote::Type::BV21_ERROR);
+	BOOST_CHECK_EQUAL (i->code(), dcp::VerificationNote::Code::INVALID_JPEG2000_GUARD_BITS_FOR_2K);
 }
 
 /* DCP with a short asset */
-BOOST_AUTO_TEST_CASE (verify_test14)
+BOOST_AUTO_TEST_CASE (verify_invalid_duration)
 {
-	vector<boost::filesystem::path> directories = setup (8, 14);
-	list<dcp::VerificationNote> notes = dcp::verify (directories, &stage, &progress, xsd_test);
-
-	BOOST_REQUIRE_EQUAL (notes.size(), 5);
-	list<dcp::VerificationNote>::const_iterator i = notes.begin ();
-	BOOST_CHECK_EQUAL (i->code(), dcp::VerificationNote::NOT_SMPTE);
-	++i;
-	BOOST_CHECK_EQUAL (i->code(), dcp::VerificationNote::DURATION_TOO_SMALL);
-	++i;
-	BOOST_CHECK_EQUAL (i->code(), dcp::VerificationNote::INTRINSIC_DURATION_TOO_SMALL);
-	++i;
-	BOOST_CHECK_EQUAL (i->code(), dcp::VerificationNote::DURATION_TOO_SMALL);
-	++i;
-	BOOST_CHECK_EQUAL (i->code(), dcp::VerificationNote::INTRINSIC_DURATION_TOO_SMALL);
-	++i;
+	auto dir = setup (8, "invalid_duration");
+	check_verify_result (
+		{ dir },
+		{
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::INVALID_STANDARD },
+			{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::INVALID_DURATION, string("d7576dcb-a361-4139-96b8-267f5f8d7f91") },
+			{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::INVALID_INTRINSIC_DURATION, string("d7576dcb-a361-4139-96b8-267f5f8d7f91") },
+			{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::INVALID_DURATION, string("a2a87f5d-b749-4a7e-8d0c-9d48a4abf626") },
+			{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::INVALID_INTRINSIC_DURATION, string("a2a87f5d-b749-4a7e-8d0c-9d48a4abf626") },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::INVALID_JPEG2000_GUARD_BITS_FOR_2K, string("2") }
+		});
 }
 
 
 static
-void
-dcp_from_frame (dcp::ArrayData const& frame, boost::filesystem::path dir)
+shared_ptr<dcp::CPL>
+dcp_from_frame (dcp::ArrayData const& frame, path dir)
 {
-	shared_ptr<dcp::MonoPictureAsset> asset(new dcp::MonoPictureAsset(dcp::Fraction(24, 1), dcp::SMPTE));
-	boost::filesystem::create_directories (dir);
-	shared_ptr<dcp::PictureAssetWriter> writer = asset->start_write (dir / "pic.mxf", true);
+	auto asset = make_shared<dcp::MonoPictureAsset>(dcp::Fraction(24, 1), dcp::Standard::SMPTE);
+	create_directories (dir);
+	auto writer = asset->start_write (dir / "pic.mxf", true);
 	for (int i = 0; i < 24; ++i) {
 		writer->write (frame.data(), frame.size());
 	}
 	writer->finalize ();
 
-	shared_ptr<dcp::ReelAsset> reel_asset(new dcp::ReelMonoPictureAsset(asset, 0));
-	shared_ptr<dcp::Reel> reel(new dcp::Reel());
-	reel->add (reel_asset);
-	shared_ptr<dcp::CPL> cpl(new dcp::CPL("hello", dcp::FEATURE));
-	cpl->add (reel);
-	shared_ptr<dcp::DCP> dcp(new dcp::DCP(dir));
-	dcp->add (cpl);
-	dcp->write_xml (dcp::SMPTE);
+	auto reel_asset = make_shared<dcp::ReelMonoPictureAsset>(asset, 0);
+	return write_dcp_with_single_asset (dir, reel_asset);
 }
 
 
-/* DCP with an over-sized JPEG2000 frame */
-BOOST_AUTO_TEST_CASE (verify_test15)
+BOOST_AUTO_TEST_CASE (verify_invalid_picture_frame_size_in_bytes)
 {
 	int const too_big = 1302083 * 2;
 
 	/* Compress a black image */
-	shared_ptr<dcp::OpenJPEGImage> image = black_image ();
-	dcp::ArrayData frame = dcp::compress_j2k (image, 100000000, 24, false, false);
+	auto image = black_image ();
+	auto frame = dcp::compress_j2k (image, 100000000, 24, false, false);
 	BOOST_REQUIRE (frame.size() < too_big);
 
 	/* Place it in a bigger block with some zero padding at the end */
@@ -550,26 +583,27 @@ BOOST_AUTO_TEST_CASE (verify_test15)
 	memcpy (oversized_frame.data(), frame.data(), frame.size());
 	memset (oversized_frame.data() + frame.size(), 0, too_big - frame.size());
 
-	boost::filesystem::path const dir("build/test/verify_test15");
-	boost::filesystem::remove_all (dir);
-	dcp_from_frame (oversized_frame, dir);
-
-	vector<boost::filesystem::path> dirs;
-	dirs.push_back (dir);
-	list<dcp::VerificationNote> notes = dcp::verify (dirs, &stage, &progress, xsd_test);
-	BOOST_REQUIRE_EQUAL (notes.size(), 1);
-	BOOST_CHECK_EQUAL (notes.front().code(), dcp::VerificationNote::PICTURE_FRAME_TOO_LARGE);
+	path const dir("build/test/verify_invalid_picture_frame_size_in_bytes");
+	prepare_directory (dir);
+	auto cpl = dcp_from_frame (oversized_frame, dir);
+
+	check_verify_result (
+		{ dir },
+		{
+			{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::INVALID_JPEG2000_CODESTREAM, string("missing marker start byte") },
+			{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::INVALID_PICTURE_FRAME_SIZE_IN_BYTES, canonical(dir / "pic.mxf") },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_METADATA, cpl->id(), cpl->file().get() }
+		});
 }
 
 
-/* DCP with a nearly over-sized JPEG2000 frame */
-BOOST_AUTO_TEST_CASE (verify_test16)
+BOOST_AUTO_TEST_CASE (verify_nearly_invalid_picture_frame_size_in_bytes)
 {
 	int const nearly_too_big = 1302083 * 0.98;
 
 	/* Compress a black image */
-	shared_ptr<dcp::OpenJPEGImage> image = black_image ();
-	dcp::ArrayData frame = dcp::compress_j2k (image, 100000000, 24, false, false);
+	auto image = black_image ();
+	auto frame = dcp::compress_j2k (image, 100000000, 24, false, false);
 	BOOST_REQUIRE (frame.size() < nearly_too_big);
 
 	/* Place it in a bigger block with some zero padding at the end */
@@ -577,283 +611,263 @@ BOOST_AUTO_TEST_CASE (verify_test16)
 	memcpy (oversized_frame.data(), frame.data(), frame.size());
 	memset (oversized_frame.data() + frame.size(), 0, nearly_too_big - frame.size());
 
-	boost::filesystem::path const dir("build/test/verify_test16");
-	boost::filesystem::remove_all (dir);
-	dcp_from_frame (oversized_frame, dir);
-
-	vector<boost::filesystem::path> dirs;
-	dirs.push_back (dir);
-	list<dcp::VerificationNote> notes = dcp::verify (dirs, &stage, &progress, xsd_test);
-	BOOST_REQUIRE_EQUAL (notes.size(), 1);
-	BOOST_CHECK_EQUAL (notes.front().code(), dcp::VerificationNote::PICTURE_FRAME_NEARLY_TOO_LARGE);
+	path const dir("build/test/verify_nearly_invalid_picture_frame_size_in_bytes");
+	prepare_directory (dir);
+	auto cpl = dcp_from_frame (oversized_frame, dir);
+
+	check_verify_result (
+		{ dir },
+		{
+			{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::INVALID_JPEG2000_CODESTREAM, string("missing marker start byte") },
+			{ dcp::VerificationNote::Type::WARNING, dcp::VerificationNote::Code::NEARLY_INVALID_PICTURE_FRAME_SIZE_IN_BYTES, canonical(dir / "pic.mxf") },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_METADATA, cpl->id(), cpl->file().get() }
+		});
 }
 
 
-/* DCP with a within-range JPEG2000 frame */
-BOOST_AUTO_TEST_CASE (verify_test17)
+BOOST_AUTO_TEST_CASE (verify_valid_picture_frame_size_in_bytes)
 {
 	/* Compress a black image */
-	shared_ptr<dcp::OpenJPEGImage> image = black_image ();
-	dcp::ArrayData frame = dcp::compress_j2k (image, 100000000, 24, false, false);
+	auto image = black_image ();
+	auto frame = dcp::compress_j2k (image, 100000000, 24, false, false);
 	BOOST_REQUIRE (frame.size() < 230000000 / (24 * 8));
 
-	boost::filesystem::path const dir("build/test/verify_test17");
-	boost::filesystem::remove_all (dir);
-	dcp_from_frame (frame, dir);
+	path const dir("build/test/verify_valid_picture_frame_size_in_bytes");
+	prepare_directory (dir);
+	auto cpl = dcp_from_frame (frame, dir);
 
-	vector<boost::filesystem::path> dirs;
-	dirs.push_back (dir);
-	list<dcp::VerificationNote> notes = dcp::verify (dirs, &stage, &progress, xsd_test);
-	BOOST_REQUIRE_EQUAL (notes.size(), 0);
+	check_verify_result ({ dir }, {{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_METADATA, cpl->id(), cpl->file().get() }});
 }
 
 
-/* DCP with valid Interop subtitles */
-BOOST_AUTO_TEST_CASE (verify_test18)
+BOOST_AUTO_TEST_CASE (verify_valid_interop_subtitles)
 {
-	boost::filesystem::path const dir("build/test/verify_test18");
-	boost::filesystem::remove_all (dir);
-	boost::filesystem::create_directories (dir);
-	boost::filesystem::copy_file ("test/data/subs1.xml", dir / "subs.xml");
-	shared_ptr<dcp::InteropSubtitleAsset> asset(new dcp::InteropSubtitleAsset(dir / "subs.xml"));
-	shared_ptr<dcp::ReelAsset> reel_asset(new dcp::ReelSubtitleAsset(asset, dcp::Fraction(24, 1), 16 * 24, 0));
-	shared_ptr<dcp::Reel> reel(new dcp::Reel());
-	reel->add (reel_asset);
-	shared_ptr<dcp::CPL> cpl(new dcp::CPL("hello", dcp::FEATURE));
-	cpl->add (reel);
-	shared_ptr<dcp::DCP> dcp(new dcp::DCP(dir));
-	dcp->add (cpl);
-	dcp->write_xml (dcp::INTEROP);
-
-	vector<boost::filesystem::path> dirs;
-	dirs.push_back (dir);
-	list<dcp::VerificationNote> notes = dcp::verify (dirs, &stage, &progress, xsd_test);
-	BOOST_REQUIRE_EQUAL (notes.size(), 1U);
-	list<dcp::VerificationNote>::const_iterator i = notes.begin ();
-	BOOST_CHECK_EQUAL (i->code(), dcp::VerificationNote::NOT_SMPTE);
+	path const dir("build/test/verify_valid_interop_subtitles");
+	prepare_directory (dir);
+	copy_file ("test/data/subs1.xml", dir / "subs.xml");
+	auto asset = make_shared<dcp::InteropSubtitleAsset>(dir / "subs.xml");
+	auto reel_asset = make_shared<dcp::ReelSubtitleAsset>(asset, dcp::Fraction(24, 1), 16 * 24, 0);
+	write_dcp_with_single_asset (dir, reel_asset, dcp::Standard::INTEROP);
+
+	check_verify_result ({dir}, {{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::INVALID_STANDARD }});
 }
 
 
-/* DCP with broken Interop subtitles */
-BOOST_AUTO_TEST_CASE (verify_test19)
+BOOST_AUTO_TEST_CASE (verify_invalid_interop_subtitles)
 {
-	boost::filesystem::path const dir("build/test/verify_test19");
-	boost::filesystem::remove_all (dir);
-	boost::filesystem::create_directories (dir);
-	boost::filesystem::copy_file ("test/data/subs1.xml", dir / "subs.xml");
-	shared_ptr<dcp::InteropSubtitleAsset> asset(new dcp::InteropSubtitleAsset(dir / "subs.xml"));
-	shared_ptr<dcp::ReelAsset> reel_asset(new dcp::ReelSubtitleAsset(asset, dcp::Fraction(24, 1), 16 * 24, 0));
-	shared_ptr<dcp::Reel> reel(new dcp::Reel());
-	reel->add (reel_asset);
-	shared_ptr<dcp::CPL> cpl(new dcp::CPL("hello", dcp::FEATURE));
-	cpl->add (reel);
-	shared_ptr<dcp::DCP> dcp(new dcp::DCP(dir));
-	dcp->add (cpl);
-	dcp->write_xml (dcp::INTEROP);
+	using namespace boost::filesystem;
+
+	path const dir("build/test/verify_invalid_interop_subtitles");
+	prepare_directory (dir);
+	copy_file ("test/data/subs1.xml", dir / "subs.xml");
+	auto asset = make_shared<dcp::InteropSubtitleAsset>(dir / "subs.xml");
+	auto reel_asset = make_shared<dcp::ReelSubtitleAsset>(asset, dcp::Fraction(24, 1), 16 * 24, 0);
+	write_dcp_with_single_asset (dir, reel_asset, dcp::Standard::INTEROP);
 
 	{
 		Editor e (dir / "subs.xml");
 		e.replace ("</ReelNumber>", "</ReelNumber><Foo></Foo>");
 	}
 
-	vector<boost::filesystem::path> dirs;
-	dirs.push_back (dir);
-	list<dcp::VerificationNote> notes = dcp::verify (dirs, &stage, &progress, xsd_test);
-	BOOST_REQUIRE_EQUAL (notes.size(), 3);
-	list<dcp::VerificationNote>::const_iterator i = notes.begin ();
-	BOOST_CHECK_EQUAL (i->code(), dcp::VerificationNote::NOT_SMPTE);
-	++i;
-	BOOST_CHECK_EQUAL (i->code(), dcp::VerificationNote::XML_VALIDATION_ERROR);
-	++i;
-	BOOST_CHECK_EQUAL (i->code(), dcp::VerificationNote::XML_VALIDATION_ERROR);
-	++i;
+	check_verify_result (
+		{ dir },
+		{
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::INVALID_STANDARD },
+			{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::INVALID_XML, string("no declaration found for element 'Foo'"), path(), 5 },
+			{
+				dcp::VerificationNote::Type::ERROR,
+				dcp::VerificationNote::Code::INVALID_XML,
+				string("element 'Foo' is not allowed for content model '(SubtitleID,MovieTitle,ReelNumber,Language,LoadFont*,Font*,Subtitle*)'"),
+				path(),
+				29
+			}
+		});
 }
 
 
-/* DCP with valid SMPTE subtitles */
-BOOST_AUTO_TEST_CASE (verify_test20)
+BOOST_AUTO_TEST_CASE (verify_valid_smpte_subtitles)
 {
-	boost::filesystem::path const dir("build/test/verify_test20");
-	boost::filesystem::remove_all (dir);
-	boost::filesystem::create_directories (dir);
-	boost::filesystem::copy_file ("test/data/subs.mxf", dir / "subs.mxf");
-	shared_ptr<dcp::SMPTESubtitleAsset> asset(new dcp::SMPTESubtitleAsset(dir / "subs.mxf"));
-	shared_ptr<dcp::ReelAsset> reel_asset(new dcp::ReelSubtitleAsset(asset, dcp::Fraction(24, 1), 16 * 24, 0));
-	shared_ptr<dcp::Reel> reel(new dcp::Reel());
-	reel->add (reel_asset);
-	shared_ptr<dcp::CPL> cpl(new dcp::CPL("hello", dcp::FEATURE));
-	cpl->add (reel);
-	shared_ptr<dcp::DCP> dcp(new dcp::DCP(dir));
-	dcp->add (cpl);
-	dcp->write_xml (dcp::SMPTE);
-
-	vector<boost::filesystem::path> dirs;
-	dirs.push_back (dir);
-	list<dcp::VerificationNote> notes = dcp::verify (dirs, &stage, &progress, xsd_test);
-	BOOST_REQUIRE_EQUAL (notes.size(), 0);
+	path const dir("build/test/verify_valid_smpte_subtitles");
+	prepare_directory (dir);
+	copy_file ("test/data/subs.mxf", dir / "subs.mxf");
+	auto asset = make_shared<dcp::SMPTESubtitleAsset>(dir / "subs.mxf");
+	auto reel_asset = make_shared<dcp::ReelSubtitleAsset>(asset, dcp::Fraction(24, 1), 6046, 0);
+	auto cpl = write_dcp_with_single_asset (dir, reel_asset);
+
+	check_verify_result ({dir}, {{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_METADATA, cpl->id(), cpl->file().get() }});
 }
 
 
-/* DCP with broken SMPTE subtitles */
-BOOST_AUTO_TEST_CASE (verify_test21)
+BOOST_AUTO_TEST_CASE (verify_invalid_smpte_subtitles)
 {
-	boost::filesystem::path const dir("build/test/verify_test21");
-	boost::filesystem::remove_all (dir);
-	boost::filesystem::create_directories (dir);
-	boost::filesystem::copy_file ("test/data/broken_smpte.mxf", dir / "subs.mxf");
-	shared_ptr<dcp::SMPTESubtitleAsset> asset(new dcp::SMPTESubtitleAsset(dir / "subs.mxf"));
-	shared_ptr<dcp::ReelAsset> reel_asset(new dcp::ReelSubtitleAsset(asset, dcp::Fraction(24, 1), 16 * 24, 0));
-	shared_ptr<dcp::Reel> reel(new dcp::Reel());
-	reel->add (reel_asset);
-	shared_ptr<dcp::CPL> cpl(new dcp::CPL("hello", dcp::FEATURE));
-	cpl->add (reel);
-	shared_ptr<dcp::DCP> dcp(new dcp::DCP(dir));
-	dcp->add (cpl);
-	dcp->write_xml (dcp::SMPTE);
-
-	vector<boost::filesystem::path> dirs;
-	dirs.push_back (dir);
-	list<dcp::VerificationNote> notes = dcp::verify (dirs, &stage, &progress, xsd_test);
-	BOOST_REQUIRE_EQUAL (notes.size(), 2);
-	BOOST_CHECK_EQUAL (notes.front().code(), dcp::VerificationNote::XML_VALIDATION_ERROR);
-	BOOST_CHECK_EQUAL (notes.back().code(), dcp::VerificationNote::XML_VALIDATION_ERROR);
+	using namespace boost::filesystem;
+
+	path const dir("build/test/verify_invalid_smpte_subtitles");
+	prepare_directory (dir);
+	copy_file ("test/data/broken_smpte.mxf", dir / "subs.mxf");
+	auto asset = make_shared<dcp::SMPTESubtitleAsset>(dir / "subs.mxf");
+	auto reel_asset = make_shared<dcp::ReelSubtitleAsset>(asset, dcp::Fraction(24, 1), 6046, 0);
+	auto cpl = write_dcp_with_single_asset (dir, reel_asset);
+
+	check_verify_result (
+		{ dir },
+		{
+			{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::INVALID_XML, string("no declaration found for element 'Foo'"), path(), 2 },
+			{
+				dcp::VerificationNote::Type::ERROR,
+				dcp::VerificationNote::Code::INVALID_XML,
+				string("element 'Foo' is not allowed for content model '(Id,ContentTitleText,AnnotationText?,IssueDate,ReelNumber?,Language?,EditRate,TimeCodeRate,StartTime?,DisplayType?,LoadFont*,SubtitleList)'"),
+				path(),
+				2
+			},
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_SUBTITLE_START_TIME, canonical(dir / "subs.mxf") },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_METADATA, cpl->id(), cpl->file().get() },
+		});
 }
 
 
-/* VF */
-BOOST_AUTO_TEST_CASE (verify_test22)
+BOOST_AUTO_TEST_CASE (verify_external_asset)
 {
-	boost::filesystem::path const ov_dir("build/test/verify_test22_ov");
-	boost::filesystem::remove_all (ov_dir);
-	boost::filesystem::create_directories (ov_dir);
+	path const ov_dir("build/test/verify_external_asset");
+	prepare_directory (ov_dir);
 
-	shared_ptr<dcp::OpenJPEGImage> image = black_image ();
-	dcp::ArrayData frame = dcp::compress_j2k (image, 100000000, 24, false, false);
+	auto image = black_image ();
+	auto frame = dcp::compress_j2k (image, 100000000, 24, false, false);
 	BOOST_REQUIRE (frame.size() < 230000000 / (24 * 8));
 	dcp_from_frame (frame, ov_dir);
 
 	dcp::DCP ov (ov_dir);
 	ov.read ();
 
-	boost::filesystem::path const vf_dir("build/test/verify_test22_vf");
-	boost::filesystem::remove_all (vf_dir);
-	boost::filesystem::create_directories (vf_dir);
+	path const vf_dir("build/test/verify_external_asset_vf");
+	prepare_directory (vf_dir);
 
-	shared_ptr<dcp::Reel> reel(new dcp::Reel());
-	reel->add (ov.cpls().front()->reels().front()->main_picture());
-	shared_ptr<dcp::CPL> cpl(new dcp::CPL("hello", dcp::FEATURE));
-	cpl->add (reel);
-	dcp::DCP vf (vf_dir);
-	vf.add (cpl);
-	vf.write_xml (dcp::SMPTE);
+	auto picture = ov.cpls()[0]->reels()[0]->main_picture();
+	auto cpl = write_dcp_with_single_asset (vf_dir, picture);
 
-	vector<boost::filesystem::path> dirs;
-	dirs.push_back (vf_dir);
-	list<dcp::VerificationNote> notes = dcp::verify (dirs, &stage, &progress, xsd_test);
-	BOOST_REQUIRE_EQUAL (notes.size(), 1);
-	BOOST_CHECK_EQUAL (notes.front().code(), dcp::VerificationNote::EXTERNAL_ASSET);
+	check_verify_result (
+		{ vf_dir },
+		{
+			{ dcp::VerificationNote::Type::WARNING, dcp::VerificationNote::Code::EXTERNAL_ASSET, picture->asset()->id() },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_METADATA, cpl->id(), cpl->file().get() }
+		});
 }
 
 
-/* DCP with valid CompositionMetadataAsset */
-BOOST_AUTO_TEST_CASE (verify_test23)
+BOOST_AUTO_TEST_CASE (verify_valid_cpl_metadata)
 {
-	boost::filesystem::path const dir("build/test/verify_test23");
-	boost::filesystem::remove_all (dir);
-	boost::filesystem::create_directories (dir);
+	path const dir("build/test/verify_valid_cpl_metadata");
+	prepare_directory (dir);
 
-	boost::filesystem::copy_file ("test/data/subs.mxf", dir / "subs.mxf");
-	shared_ptr<dcp::SMPTESubtitleAsset> asset(new dcp::SMPTESubtitleAsset(dir / "subs.mxf"));
-	shared_ptr<dcp::ReelAsset> reel_asset(new dcp::ReelSubtitleAsset(asset, dcp::Fraction(24, 1), 16 * 24, 0));
+	copy_file ("test/data/subs.mxf", dir / "subs.mxf");
+	auto asset = make_shared<dcp::SMPTESubtitleAsset>(dir / "subs.mxf");
+	auto reel_asset = make_shared<dcp::ReelSubtitleAsset>(asset, dcp::Fraction(24, 1), 16 * 24, 0);
 
-	shared_ptr<dcp::Reel> reel(new dcp::Reel());
+	auto reel = make_shared<dcp::Reel>();
 	reel->add (reel_asset);
-	shared_ptr<dcp::CPL> cpl(new dcp::CPL("hello", dcp::FEATURE));
+
+	reel->add (make_shared<dcp::ReelMonoPictureAsset>(simple_picture(dir, "", 16 * 24), 0));
+	reel->add (simple_markers(16 * 24));
+
+	auto cpl = make_shared<dcp::CPL>("hello", dcp::ContentKind::TRAILER);
 	cpl->add (reel);
 	cpl->set_main_sound_configuration ("L,C,R,Lfe,-,-");
 	cpl->set_main_sound_sample_rate (48000);
 	cpl->set_main_picture_stored_area (dcp::Size(1998, 1080));
 	cpl->set_main_picture_active_area (dcp::Size(1440, 1080));
+	cpl->set_version_number (1);
 
 	dcp::DCP dcp (dir);
 	dcp.add (cpl);
-	dcp.write_xml (dcp::SMPTE);
-
-	vector<boost::filesystem::path> dirs;
-	dirs.push_back (dir);
-	list<dcp::VerificationNote> notes = dcp::verify (dirs, &stage, &progress, xsd_test);
+	dcp.write_xml (
+		dcp::Standard::SMPTE,
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::LocalTime().as_string(),
+		"hello"
+		);
 }
 
 
-boost::filesystem::path find_cpl (boost::filesystem::path dir)
+path find_cpl (path dir)
 {
-	for (boost::filesystem::directory_iterator i = boost::filesystem::directory_iterator(dir); i != boost::filesystem::directory_iterator(); i++) {
-		if (boost::starts_with(i->path().filename().string(), "cpl_")) {
-			return i->path();
+	for (auto i: directory_iterator(dir)) {
+		if (boost::starts_with(i.path().filename().string(), "cpl_")) {
+			return i.path();
 		}
 	}
 
 	BOOST_REQUIRE (false);
-	return boost::filesystem::path();
+	return {};
 }
 
 
 /* DCP with invalid CompositionMetadataAsset */
-BOOST_AUTO_TEST_CASE (verify_test24)
+BOOST_AUTO_TEST_CASE (verify_invalid_cpl_metadata_bad_tag)
 {
-	boost::filesystem::path const dir("build/test/verify_test24");
-	boost::filesystem::remove_all (dir);
-	boost::filesystem::create_directories (dir);
+	using namespace boost::filesystem;
 
-	shared_ptr<dcp::Reel> reel(new dcp::Reel());
+	path const dir("build/test/verify_invalid_cpl_metadata_bad_tag");
+	prepare_directory (dir);
+
+	auto reel = make_shared<dcp::Reel>();
 	reel->add (black_picture_asset(dir));
-	shared_ptr<dcp::CPL> cpl(new dcp::CPL("hello", dcp::FEATURE));
+	auto cpl = make_shared<dcp::CPL>("hello", dcp::ContentKind::TRAILER);
 	cpl->add (reel);
 	cpl->set_main_sound_configuration ("L,C,R,Lfe,-,-");
 	cpl->set_main_sound_sample_rate (48000);
 	cpl->set_main_picture_stored_area (dcp::Size(1998, 1080));
 	cpl->set_main_picture_active_area (dcp::Size(1440, 1080));
+	cpl->set_version_number (1);
+
+	reel->add (simple_markers());
 
 	dcp::DCP dcp (dir);
 	dcp.add (cpl);
-	dcp.write_xml (dcp::SMPTE);
+	dcp.write_xml (
+		dcp::Standard::SMPTE,
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::LocalTime().as_string(),
+		"hello"
+		);
 
 	{
-		Editor e (find_cpl("build/test/verify_test24"));
+		Editor e (find_cpl(dir));
 		e.replace ("MainSound", "MainSoundX");
 	}
 
-	vector<boost::filesystem::path> dirs;
-	dirs.push_back (dir);
-	list<dcp::VerificationNote> notes = dcp::verify (dirs, &stage, &progress, xsd_test);
-	BOOST_REQUIRE_EQUAL (notes.size(), 4);
-
-	list<dcp::VerificationNote>::const_iterator i = notes.begin ();
-	BOOST_CHECK_EQUAL (i->code(), dcp::VerificationNote::XML_VALIDATION_ERROR);
-	++i;
-	BOOST_CHECK_EQUAL (i->code(), dcp::VerificationNote::XML_VALIDATION_ERROR);
-	++i;
-	BOOST_CHECK_EQUAL (i->code(), dcp::VerificationNote::XML_VALIDATION_ERROR);
-	++i;
-	BOOST_CHECK_EQUAL (i->code(), dcp::VerificationNote::CPL_HASH_INCORRECT);
-	++i;
+	check_verify_result (
+		{ dir },
+		{
+			{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::INVALID_XML, string("no declaration found for element 'meta:MainSoundXConfiguration'"), canonical(cpl->file().get()), 54 },
+			{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::INVALID_XML, string("no declaration found for element 'meta:MainSoundXSampleRate'"), canonical(cpl->file().get()), 55 },
+			{
+				dcp::VerificationNote::Type::ERROR,
+				dcp::VerificationNote::Code::INVALID_XML,
+				string("element 'meta:MainSoundXConfiguration' is not allowed for content model "
+				       "'(Id,AnnotationText?,EditRate,IntrinsicDuration,EntryPoint?,Duration?,"
+				       "FullContentTitleText,ReleaseTerritory?,VersionNumber?,Chain?,Distributor?,"
+				       "Facility?,AlternateContentVersionList?,Luminance?,MainSoundConfiguration,"
+				       "MainSoundSampleRate,MainPictureStoredArea,MainPictureActiveArea,MainSubtitleLanguageList?,"
+				       "ExtensionMetadataList?,)'"),
+				canonical(cpl->file().get()),
+				75
+			},
+			{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::MISMATCHED_CPL_HASHES, cpl->id(), canonical(cpl->file().get()) },
+		});
 }
 
 
 /* DCP with invalid CompositionMetadataAsset */
-BOOST_AUTO_TEST_CASE (verify_test25)
+BOOST_AUTO_TEST_CASE (verify_invalid_cpl_metadata_missing_tag)
 {
-	boost::filesystem::path const dir("build/test/verify_test25");
-	boost::filesystem::remove_all (dir);
-	boost::filesystem::create_directories (dir);
+	path const dir("build/test/verify_invalid_cpl_metadata_missing_tag");
+	prepare_directory (dir);
 
-	boost::filesystem::copy_file ("test/data/subs.mxf", dir / "subs.mxf");
-	shared_ptr<dcp::SMPTESubtitleAsset> asset(new dcp::SMPTESubtitleAsset(dir / "subs.mxf"));
-	shared_ptr<dcp::ReelAsset> reel_asset(new dcp::ReelSubtitleAsset(asset, dcp::Fraction(24, 1), 16 * 24, 0));
-
-	shared_ptr<dcp::Reel> reel(new dcp::Reel());
-	reel->add (reel_asset);
-	shared_ptr<dcp::CPL> cpl(new dcp::CPL("hello", dcp::FEATURE));
+	auto reel = make_shared<dcp::Reel>();
+	reel->add (black_picture_asset(dir));
+	auto cpl = make_shared<dcp::CPL>("hello", dcp::ContentKind::TRAILER);
 	cpl->add (reel);
 	cpl->set_main_sound_configuration ("L,C,R,Lfe,-,-");
 	cpl->set_main_sound_sample_rate (48000);
@@ -862,43 +876,2106 @@ BOOST_AUTO_TEST_CASE (verify_test25)
 
 	dcp::DCP dcp (dir);
 	dcp.add (cpl);
-	dcp.write_xml (dcp::SMPTE);
+	dcp.write_xml (
+		dcp::Standard::SMPTE,
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::LocalTime().as_string(),
+		"hello"
+		);
 
 	{
-		Editor e (find_cpl("build/test/verify_test25"));
-		e.replace ("</MainPictureActiveArea>", "</MainPictureActiveArea><BadTag></BadTag>");
+		Editor e (find_cpl(dir));
+		e.replace ("meta:Width", "meta:WidthX");
 	}
 
-	vector<boost::filesystem::path> dirs;
-	dirs.push_back (dir);
-	list<dcp::VerificationNote> notes = dcp::verify (dirs, &stage, &progress, xsd_test);
+	check_verify_result (
+		{ dir },
+		{{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::FAILED_READ, string("missing XML tag Width in MainPictureStoredArea") }}
+		);
 }
 
 
-/* SMPTE DCP with invalid <Language> in the MainSubtitle */
-BOOST_AUTO_TEST_CASE (verify_test26)
+BOOST_AUTO_TEST_CASE (verify_invalid_language1)
 {
-	boost::filesystem::path const dir("build/test/verify_test26");
-	boost::filesystem::remove_all (dir);
-	boost::filesystem::create_directories (dir);
-	boost::filesystem::copy_file ("test/data/subs.mxf", dir / "subs.mxf");
-	shared_ptr<dcp::SMPTESubtitleAsset> asset(new dcp::SMPTESubtitleAsset(dir / "subs.mxf"));
-	shared_ptr<dcp::ReelSubtitleAsset> reel_asset(new dcp::ReelSubtitleAsset(asset, dcp::Fraction(24, 1), 16 * 24, 0));
+	path const dir("build/test/verify_invalid_language1");
+	prepare_directory (dir);
+	copy_file ("test/data/subs.mxf", dir / "subs.mxf");
+	auto asset = make_shared<dcp::SMPTESubtitleAsset>(dir / "subs.mxf");
+	asset->_language = "wrong-andbad";
+	asset->write (dir / "subs.mxf");
+	auto reel_asset = make_shared<dcp::ReelSubtitleAsset>(asset, dcp::Fraction(24, 1), 6046, 0);
 	reel_asset->_language = "badlang";
-	shared_ptr<dcp::Reel> reel(new dcp::Reel());
-	reel->add (reel_asset);
-	shared_ptr<dcp::CPL> cpl(new dcp::CPL("hello", dcp::FEATURE));
+	auto cpl = write_dcp_with_single_asset (dir, reel_asset);
+
+	check_verify_result (
+		{ dir },
+		{
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::INVALID_LANGUAGE, string("badlang") },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::INVALID_LANGUAGE, string("wrong-andbad") },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_METADATA, cpl->id(), cpl->file().get() },
+		});
+}
+
+
+/* SMPTE DCP with invalid <Language> in the MainClosedCaption reel and also in the XML within the MXF */
+BOOST_AUTO_TEST_CASE (verify_invalid_language2)
+{
+	path const dir("build/test/verify_invalid_language2");
+	prepare_directory (dir);
+	copy_file ("test/data/subs.mxf", dir / "subs.mxf");
+	auto asset = make_shared<dcp::SMPTESubtitleAsset>(dir / "subs.mxf");
+	asset->_language = "wrong-andbad";
+	asset->write (dir / "subs.mxf");
+	auto reel_asset = make_shared<dcp::ReelClosedCaptionAsset>(asset, dcp::Fraction(24, 1), 6046, 0);
+	reel_asset->_language = "badlang";
+	auto cpl = write_dcp_with_single_asset (dir, reel_asset);
+
+	check_verify_result (
+		{dir},
+		{
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::INVALID_LANGUAGE, string("badlang") },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::INVALID_LANGUAGE, string("wrong-andbad") },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_METADATA, cpl->id(), cpl->file().get() }
+		});
+}
+
+
+/* SMPTE DCP with invalid <Language> in the MainSound reel, the CPL additional subtitles languages and
+ * the release territory.
+ */
+BOOST_AUTO_TEST_CASE (verify_invalid_language3)
+{
+	path const dir("build/test/verify_invalid_language3");
+	prepare_directory (dir);
+
+	auto picture = simple_picture (dir, "foo");
+	auto reel_picture = make_shared<dcp::ReelMonoPictureAsset>(picture, 0);
+	auto reel = make_shared<dcp::Reel>();
+	reel->add (reel_picture);
+	auto sound = simple_sound (dir, "foo", dcp::MXFMetadata(), "frobozz");
+	auto reel_sound = make_shared<dcp::ReelSoundAsset>(sound, 0);
+	reel->add (reel_sound);
+	reel->add (simple_markers());
+
+	auto cpl = make_shared<dcp::CPL>("hello", dcp::ContentKind::TRAILER);
 	cpl->add (reel);
-	shared_ptr<dcp::DCP> dcp(new dcp::DCP(dir));
+	cpl->_additional_subtitle_languages.push_back("this-is-wrong");
+	cpl->_additional_subtitle_languages.push_back("andso-is-this");
+	cpl->set_main_sound_configuration ("L,C,R,Lfe,-,-");
+	cpl->set_main_sound_sample_rate (48000);
+	cpl->set_main_picture_stored_area (dcp::Size(1998, 1080));
+	cpl->set_main_picture_active_area (dcp::Size(1440, 1080));
+	cpl->set_version_number (1);
+	cpl->_release_territory = "fred-jim";
+	auto dcp = make_shared<dcp::DCP>(dir);
 	dcp->add (cpl);
-	dcp->write_xml (dcp::SMPTE);
+	dcp->write_xml (
+		dcp::Standard::SMPTE,
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::LocalTime().as_string(),
+		"hello"
+		);
+
+	check_verify_result (
+		{ dir },
+		{
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::INVALID_LANGUAGE, string("this-is-wrong") },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::INVALID_LANGUAGE, string("andso-is-this") },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::INVALID_LANGUAGE, string("fred-jim") },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::INVALID_LANGUAGE, string("frobozz") },
+		});
+}
+
+
+static
+vector<dcp::VerificationNote>
+check_picture_size (int width, int height, int frame_rate, bool three_d)
+{
+	using namespace boost::filesystem;
+
+	path dcp_path = "build/test/verify_picture_test";
+	prepare_directory (dcp_path);
+
+	shared_ptr<dcp::PictureAsset> mp;
+	if (three_d) {
+		mp = make_shared<dcp::StereoPictureAsset>(dcp::Fraction(frame_rate, 1), dcp::Standard::SMPTE);
+	} else {
+		mp = make_shared<dcp::MonoPictureAsset>(dcp::Fraction(frame_rate, 1), dcp::Standard::SMPTE);
+	}
+	auto picture_writer = mp->start_write (dcp_path / "video.mxf", false);
+
+	auto image = black_image (dcp::Size(width, height));
+	auto j2c = dcp::compress_j2k (image, 100000000, frame_rate, three_d, width > 2048);
+	int const length = three_d ? frame_rate * 2 : frame_rate;
+	for (int i = 0; i < length; ++i) {
+		picture_writer->write (j2c.data(), j2c.size());
+	}
+	picture_writer->finalize ();
+
+	auto d = make_shared<dcp::DCP>(dcp_path);
+	auto cpl = make_shared<dcp::CPL>("A Test DCP", dcp::ContentKind::TRAILER);
+	cpl->set_annotation_text ("A Test DCP");
+	cpl->set_issue_date ("2012-07-17T04:45:18+00:00");
+	cpl->set_main_sound_configuration ("L,C,R,Lfe,-,-");
+	cpl->set_main_sound_sample_rate (48000);
+	cpl->set_main_picture_stored_area (dcp::Size(1998, 1080));
+	cpl->set_main_picture_active_area (dcp::Size(1998, 1080));
+	cpl->set_version_number (1);
+
+	auto reel = make_shared<dcp::Reel>();
+
+	if (three_d) {
+		reel->add (make_shared<dcp::ReelStereoPictureAsset>(std::dynamic_pointer_cast<dcp::StereoPictureAsset>(mp), 0));
+	} else {
+		reel->add (make_shared<dcp::ReelMonoPictureAsset>(std::dynamic_pointer_cast<dcp::MonoPictureAsset>(mp), 0));
+	}
+
+	reel->add (simple_markers(frame_rate));
+
+	cpl->add (reel);
+
+	d->add (cpl);
+	d->write_xml (
+		dcp::Standard::SMPTE,
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::LocalTime().as_string(),
+		"A Test DCP"
+		);
+
+	return dcp::verify ({dcp_path}, &stage, &progress, xsd_test);
+}
+
+
+static
+void
+check_picture_size_ok (int width, int height, int frame_rate, bool three_d)
+{
+	auto notes = check_picture_size(width, height, frame_rate, three_d);
+	BOOST_CHECK_EQUAL (notes.size(), 0U);
+}
+
+
+static
+void
+check_picture_size_bad_frame_size (int width, int height, int frame_rate, bool three_d)
+{
+	auto notes = check_picture_size(width, height, frame_rate, three_d);
+	BOOST_REQUIRE_EQUAL (notes.size(), 1U);
+	BOOST_CHECK_EQUAL (notes.front().type(), dcp::VerificationNote::Type::BV21_ERROR);
+	BOOST_CHECK_EQUAL (notes.front().code(), dcp::VerificationNote::Code::INVALID_PICTURE_SIZE_IN_PIXELS);
+}
+
+
+static
+void
+check_picture_size_bad_2k_frame_rate (int width, int height, int frame_rate, bool three_d)
+{
+	auto notes = check_picture_size(width, height, frame_rate, three_d);
+	BOOST_REQUIRE_EQUAL (notes.size(), 2U);
+	BOOST_CHECK_EQUAL (notes.back().type(), dcp::VerificationNote::Type::BV21_ERROR);
+	BOOST_CHECK_EQUAL (notes.back().code(), dcp::VerificationNote::Code::INVALID_PICTURE_FRAME_RATE_FOR_2K);
+}
+
 
-	vector<boost::filesystem::path> dirs;
-	dirs.push_back (dir);
-	list<dcp::VerificationNote> notes = dcp::verify (dirs, &stage, &progress, xsd_test);
+static
+void
+check_picture_size_bad_4k_frame_rate (int width, int height, int frame_rate, bool three_d)
+{
+	auto notes = check_picture_size(width, height, frame_rate, three_d);
+	BOOST_REQUIRE_EQUAL (notes.size(), 1U);
+	BOOST_CHECK_EQUAL (notes.front().type(), dcp::VerificationNote::Type::BV21_ERROR);
+	BOOST_CHECK_EQUAL (notes.front().code(), dcp::VerificationNote::Code::INVALID_PICTURE_FRAME_RATE_FOR_4K);
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_picture_size)
+{
+	using namespace boost::filesystem;
+
+	/* 2K scope */
+	check_picture_size_ok (2048, 858, 24, false);
+	check_picture_size_ok (2048, 858, 25, false);
+	check_picture_size_ok (2048, 858, 48, false);
+	check_picture_size_ok (2048, 858, 24, true);
+	check_picture_size_ok (2048, 858, 25, true);
+	check_picture_size_ok (2048, 858, 48, true);
+
+	/* 2K flat */
+	check_picture_size_ok (1998, 1080, 24, false);
+	check_picture_size_ok (1998, 1080, 25, false);
+	check_picture_size_ok (1998, 1080, 48, false);
+	check_picture_size_ok (1998, 1080, 24, true);
+	check_picture_size_ok (1998, 1080, 25, true);
+	check_picture_size_ok (1998, 1080, 48, true);
+
+	/* 4K scope */
+	check_picture_size_ok (4096, 1716, 24, false);
+
+	/* 4K flat */
+	check_picture_size_ok (3996, 2160, 24, false);
+
+	/* Bad frame size */
+	check_picture_size_bad_frame_size (2050, 858, 24, false);
+	check_picture_size_bad_frame_size (2048, 658, 25, false);
+	check_picture_size_bad_frame_size (1920, 1080, 48, true);
+	check_picture_size_bad_frame_size (4000, 2000, 24, true);
+
+	/* Bad 2K frame rate */
+	check_picture_size_bad_2k_frame_rate (2048, 858, 26, false);
+	check_picture_size_bad_2k_frame_rate (2048, 858, 31, false);
+	check_picture_size_bad_2k_frame_rate (1998, 1080, 50, true);
+
+	/* Bad 4K frame rate */
+	check_picture_size_bad_4k_frame_rate (3996, 2160, 25, false);
+	check_picture_size_bad_4k_frame_rate (3996, 2160, 48, false);
+
+	/* No 4K 3D */
+	auto notes = check_picture_size(3996, 2160, 24, true);
 	BOOST_REQUIRE_EQUAL (notes.size(), 1U);
-	list<dcp::VerificationNote>::const_iterator i = notes.begin ();
-	BOOST_CHECK_EQUAL (i->code(), dcp::VerificationNote::BAD_LANGUAGE);
+	BOOST_CHECK_EQUAL (notes.front().type(), dcp::VerificationNote::Type::BV21_ERROR);
+	BOOST_CHECK_EQUAL (notes.front().code(), dcp::VerificationNote::Code::INVALID_PICTURE_ASSET_RESOLUTION_FOR_3D);
+}
+
+
+static
+void
+add_test_subtitle (shared_ptr<dcp::SubtitleAsset> asset, int start_frame, int end_frame, float v_position = 0, string text = "Hello")
+{
+	asset->add (
+		make_shared<dcp::SubtitleString>(
+			optional<string>(),
+			false,
+			false,
+			false,
+			dcp::Colour(),
+			42,
+			1,
+			dcp::Time(start_frame, 24, 24),
+			dcp::Time(end_frame, 24, 24),
+			0,
+			dcp::HAlign::CENTER,
+			v_position,
+			dcp::VAlign::CENTER,
+			dcp::Direction::LTR,
+			text,
+			dcp::Effect::NONE,
+			dcp::Colour(),
+			dcp::Time(),
+			dcp::Time()
+		)
+	);
+}
+
 
+BOOST_AUTO_TEST_CASE (verify_invalid_closed_caption_xml_size_in_bytes)
+{
+	path const dir("build/test/verify_invalid_closed_caption_xml_size_in_bytes");
+	prepare_directory (dir);
+
+	auto asset = make_shared<dcp::SMPTESubtitleAsset>();
+	for (int i = 0; i < 2048; ++i) {
+		add_test_subtitle (asset, i * 24, i * 24 + 20);
+	}
+	asset->set_language (dcp::LanguageTag("de-DE"));
+	asset->write (dir / "subs.mxf");
+	auto reel_asset = make_shared<dcp::ReelClosedCaptionAsset>(asset, dcp::Fraction(24, 1), 49148, 0);
+	auto cpl = write_dcp_with_single_asset (dir, reel_asset);
+
+	check_verify_result (
+		{ dir },
+		{
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_SUBTITLE_START_TIME, canonical(dir / "subs.mxf") },
+			{
+				dcp::VerificationNote::Type::BV21_ERROR,
+				dcp::VerificationNote::Code::INVALID_CLOSED_CAPTION_XML_SIZE_IN_BYTES,
+				string("413262"),
+				canonical(dir / "subs.mxf")
+			},
+			{ dcp::VerificationNote::Type::WARNING, dcp::VerificationNote::Code::INVALID_SUBTITLE_FIRST_TEXT_TIME },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_METADATA, cpl->id(), cpl->file().get() },
+		});
 }
 
+
+static
+shared_ptr<dcp::SMPTESubtitleAsset>
+make_large_subtitle_asset (path font_file)
+{
+	auto asset = make_shared<dcp::SMPTESubtitleAsset>();
+	dcp::ArrayData big_fake_font(1024 * 1024);
+	big_fake_font.write (font_file);
+	for (int i = 0; i < 116; ++i) {
+		asset->add_font (dcp::String::compose("big%1", i), big_fake_font);
+	}
+	return asset;
+}
+
+
+template <class T>
+void
+verify_timed_text_asset_too_large (string name)
+{
+	auto const dir = path("build/test") / name;
+	prepare_directory (dir);
+	auto asset = make_large_subtitle_asset (dir / "font.ttf");
+	add_test_subtitle (asset, 0, 240);
+	asset->set_language (dcp::LanguageTag("de-DE"));
+	asset->write (dir / "subs.mxf");
+
+	auto reel_asset = make_shared<T>(asset, dcp::Fraction(24, 1), 240, 0);
+	auto cpl = write_dcp_with_single_asset (dir, reel_asset);
+
+	check_verify_result (
+		{ dir },
+		{
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::INVALID_TIMED_TEXT_SIZE_IN_BYTES, string("121696411"), canonical(dir / "subs.mxf") },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::INVALID_TIMED_TEXT_FONT_SIZE_IN_BYTES, string("121634816"), canonical(dir / "subs.mxf") },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_SUBTITLE_START_TIME, canonical(dir / "subs.mxf") },
+			{ dcp::VerificationNote::Type::WARNING, dcp::VerificationNote::Code::INVALID_SUBTITLE_FIRST_TEXT_TIME },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_METADATA, cpl->id(), cpl->file().get() },
+		});
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_subtitle_asset_too_large)
+{
+	verify_timed_text_asset_too_large<dcp::ReelSubtitleAsset>("verify_subtitle_asset_too_large");
+	verify_timed_text_asset_too_large<dcp::ReelClosedCaptionAsset>("verify_closed_caption_asset_too_large");
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_missing_subtitle_language)
+{
+	path dir = "build/test/verify_missing_subtitle_language";
+	prepare_directory (dir);
+	auto dcp = make_simple (dir, 1, 106);
+
+	string const xml =
+		"<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
+		"<SubtitleReel xmlns=\"http://www.smpte-ra.org/schemas/428-7/2010/DCST\" xmlns:xs=\"http://www.w3.org/2001/schema\">"
+		"<Id>urn:uuid:e6a8ae03-ebbf-41ed-9def-913a87d1493a</Id>"
+		"<ContentTitleText>Content</ContentTitleText>"
+		"<AnnotationText>Annotation</AnnotationText>"
+		"<IssueDate>2018-10-02T12:25:14+02:00</IssueDate>"
+		"<ReelNumber>1</ReelNumber>"
+		"<EditRate>24 1</EditRate>"
+		"<TimeCodeRate>24</TimeCodeRate>"
+		"<StartTime>00:00:00:00</StartTime>"
+		"<LoadFont ID=\"arial\">urn:uuid:e4f0ff0a-9eba-49e0-92ee-d89a88a575f6</LoadFont>"
+		"<SubtitleList>"
+		"<Font ID=\"arial\" Color=\"FFFEFEFE\" Weight=\"normal\" Size=\"42\" Effect=\"border\" EffectColor=\"FF181818\" AspectAdjust=\"1.00\">"
+		"<Subtitle SpotNumber=\"1\" TimeIn=\"00:00:03:00\" TimeOut=\"00:00:04:10\" FadeUpTime=\"00:00:00:00\" FadeDownTime=\"00:00:00:00\">"
+		"<Text Hposition=\"0.0\" Halign=\"center\" Valign=\"bottom\" Vposition=\"13.5\" Direction=\"ltr\">Hello world</Text>"
+		"</Subtitle>"
+		"</Font>"
+		"</SubtitleList>"
+		"</SubtitleReel>";
+
+	auto xml_file = dcp::fopen_boost (dir / "subs.xml", "w");
+	BOOST_REQUIRE (xml_file);
+	fwrite (xml.c_str(), xml.size(), 1, xml_file);
+	fclose (xml_file);
+	auto subs = make_shared<dcp::SMPTESubtitleAsset>(dir / "subs.xml");
+	subs->write (dir / "subs.mxf");
+
+	auto reel_subs = make_shared<dcp::ReelSubtitleAsset>(subs, dcp::Fraction(24, 1), 106, 0);
+	dcp->cpls().front()->reels().front()->add(reel_subs);
+	dcp->write_xml (
+		dcp::Standard::SMPTE,
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::LocalTime().as_string(),
+		"A Test DCP"
+		);
+
+	check_verify_result (
+		{ dir },
+		{
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_SUBTITLE_LANGUAGE, canonical(dir / "subs.mxf") },
+			{ dcp::VerificationNote::Type::WARNING, dcp::VerificationNote::Code::INVALID_SUBTITLE_FIRST_TEXT_TIME }
+		});
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_mismatched_subtitle_languages)
+{
+	path path ("build/test/verify_mismatched_subtitle_languages");
+	auto constexpr reel_length = 192;
+	auto dcp = make_simple (path, 2, reel_length);
+	auto cpl = dcp->cpls()[0];
+
+	{
+		auto subs = make_shared<dcp::SMPTESubtitleAsset>();
+		subs->set_language (dcp::LanguageTag("de-DE"));
+		subs->add (simple_subtitle());
+		subs->write (path / "subs1.mxf");
+		auto reel_subs = make_shared<dcp::ReelSubtitleAsset>(subs, dcp::Fraction(24, 1), reel_length, 0);
+		cpl->reels()[0]->add(reel_subs);
+	}
+
+	{
+		auto subs = make_shared<dcp::SMPTESubtitleAsset>();
+		subs->set_language (dcp::LanguageTag("en-US"));
+		subs->add (simple_subtitle());
+		subs->write (path / "subs2.mxf");
+		auto reel_subs = make_shared<dcp::ReelSubtitleAsset>(subs, dcp::Fraction(24, 1), reel_length, 0);
+		cpl->reels()[1]->add(reel_subs);
+	}
+
+	dcp->write_xml (
+		dcp::Standard::SMPTE,
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::LocalTime().as_string(),
+		"A Test DCP"
+		);
+
+	check_verify_result (
+		{ path },
+		{
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_SUBTITLE_START_TIME, canonical(path / "subs1.mxf") },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_SUBTITLE_START_TIME, canonical(path / "subs2.mxf") },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISMATCHED_SUBTITLE_LANGUAGES }
+		});
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_multiple_closed_caption_languages_allowed)
+{
+	path path ("build/test/verify_multiple_closed_caption_languages_allowed");
+	auto constexpr reel_length = 192;
+	auto dcp = make_simple (path, 2, reel_length);
+	auto cpl = dcp->cpls()[0];
+
+	{
+		auto ccaps = make_shared<dcp::SMPTESubtitleAsset>();
+		ccaps->set_language (dcp::LanguageTag("de-DE"));
+		ccaps->add (simple_subtitle());
+		ccaps->write (path / "subs1.mxf");
+		auto reel_ccaps = make_shared<dcp::ReelClosedCaptionAsset>(ccaps, dcp::Fraction(24, 1), reel_length, 0);
+		cpl->reels()[0]->add(reel_ccaps);
+	}
+
+	{
+		auto ccaps = make_shared<dcp::SMPTESubtitleAsset>();
+		ccaps->set_language (dcp::LanguageTag("en-US"));
+		ccaps->add (simple_subtitle());
+		ccaps->write (path / "subs2.mxf");
+		auto reel_ccaps = make_shared<dcp::ReelClosedCaptionAsset>(ccaps, dcp::Fraction(24, 1), reel_length, 0);
+		cpl->reels()[1]->add(reel_ccaps);
+	}
+
+	dcp->write_xml (
+		dcp::Standard::SMPTE,
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::LocalTime().as_string(),
+		"A Test DCP"
+		);
+
+	check_verify_result (
+		{ path },
+		{
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_SUBTITLE_START_TIME, canonical(path / "subs1.mxf") },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_SUBTITLE_START_TIME, canonical(path / "subs2.mxf") }
+		});
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_missing_subtitle_start_time)
+{
+	path dir = "build/test/verify_missing_subtitle_start_time";
+	prepare_directory (dir);
+	auto dcp = make_simple (dir, 1, 106);
+
+	string const xml =
+		"<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
+		"<SubtitleReel xmlns=\"http://www.smpte-ra.org/schemas/428-7/2010/DCST\" xmlns:xs=\"http://www.w3.org/2001/schema\">"
+		"<Id>urn:uuid:e6a8ae03-ebbf-41ed-9def-913a87d1493a</Id>"
+		"<ContentTitleText>Content</ContentTitleText>"
+		"<AnnotationText>Annotation</AnnotationText>"
+		"<IssueDate>2018-10-02T12:25:14+02:00</IssueDate>"
+		"<ReelNumber>1</ReelNumber>"
+		"<Language>de-DE</Language>"
+		"<EditRate>24 1</EditRate>"
+		"<TimeCodeRate>24</TimeCodeRate>"
+		"<LoadFont ID=\"arial\">urn:uuid:e4f0ff0a-9eba-49e0-92ee-d89a88a575f6</LoadFont>"
+		"<SubtitleList>"
+		"<Font ID=\"arial\" Color=\"FFFEFEFE\" Weight=\"normal\" Size=\"42\" Effect=\"border\" EffectColor=\"FF181818\" AspectAdjust=\"1.00\">"
+		"<Subtitle SpotNumber=\"1\" TimeIn=\"00:00:03:00\" TimeOut=\"00:00:04:10\" FadeUpTime=\"00:00:00:00\" FadeDownTime=\"00:00:00:00\">"
+		"<Text Hposition=\"0.0\" Halign=\"center\" Valign=\"bottom\" Vposition=\"13.5\" Direction=\"ltr\">Hello world</Text>"
+		"</Subtitle>"
+		"</Font>"
+		"</SubtitleList>"
+		"</SubtitleReel>";
+
+	auto xml_file = dcp::fopen_boost (dir / "subs.xml", "w");
+	BOOST_REQUIRE (xml_file);
+	fwrite (xml.c_str(), xml.size(), 1, xml_file);
+	fclose (xml_file);
+	auto subs = make_shared<dcp::SMPTESubtitleAsset>(dir / "subs.xml");
+	subs->write (dir / "subs.mxf");
+
+	auto reel_subs = make_shared<dcp::ReelSubtitleAsset>(subs, dcp::Fraction(24, 1), 106, 0);
+	dcp->cpls().front()->reels().front()->add(reel_subs);
+	dcp->write_xml (
+		dcp::Standard::SMPTE,
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::LocalTime().as_string(),
+		"A Test DCP"
+		);
+
+	check_verify_result (
+		{ dir },
+		{
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_SUBTITLE_START_TIME, canonical(dir / "subs.mxf") },
+			{ dcp::VerificationNote::Type::WARNING, dcp::VerificationNote::Code::INVALID_SUBTITLE_FIRST_TEXT_TIME }
+		});
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_invalid_subtitle_start_time)
+{
+	path dir = "build/test/verify_invalid_subtitle_start_time";
+	prepare_directory (dir);
+	auto dcp = make_simple (dir, 1, 106);
+
+	string const xml =
+		"<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
+		"<SubtitleReel xmlns=\"http://www.smpte-ra.org/schemas/428-7/2010/DCST\" xmlns:xs=\"http://www.w3.org/2001/schema\">"
+		"<Id>urn:uuid:e6a8ae03-ebbf-41ed-9def-913a87d1493a</Id>"
+		"<ContentTitleText>Content</ContentTitleText>"
+		"<AnnotationText>Annotation</AnnotationText>"
+		"<IssueDate>2018-10-02T12:25:14+02:00</IssueDate>"
+		"<ReelNumber>1</ReelNumber>"
+		"<Language>de-DE</Language>"
+		"<EditRate>24 1</EditRate>"
+		"<TimeCodeRate>24</TimeCodeRate>"
+		"<StartTime>00:00:02:00</StartTime>"
+		"<LoadFont ID=\"arial\">urn:uuid:e4f0ff0a-9eba-49e0-92ee-d89a88a575f6</LoadFont>"
+		"<SubtitleList>"
+		"<Font ID=\"arial\" Color=\"FFFEFEFE\" Weight=\"normal\" Size=\"42\" Effect=\"border\" EffectColor=\"FF181818\" AspectAdjust=\"1.00\">"
+		"<Subtitle SpotNumber=\"1\" TimeIn=\"00:00:03:00\" TimeOut=\"00:00:04:10\" FadeUpTime=\"00:00:00:00\" FadeDownTime=\"00:00:00:00\">"
+		"<Text Hposition=\"0.0\" Halign=\"center\" Valign=\"bottom\" Vposition=\"13.5\" Direction=\"ltr\">Hello world</Text>"
+		"</Subtitle>"
+		"</Font>"
+		"</SubtitleList>"
+		"</SubtitleReel>";
+
+	auto xml_file = dcp::fopen_boost (dir / "subs.xml", "w");
+	BOOST_REQUIRE (xml_file);
+	fwrite (xml.c_str(), xml.size(), 1, xml_file);
+	fclose (xml_file);
+	auto subs = make_shared<dcp::SMPTESubtitleAsset>(dir / "subs.xml");
+	subs->write (dir / "subs.mxf");
+
+	auto reel_subs = make_shared<dcp::ReelSubtitleAsset>(subs, dcp::Fraction(24, 1), 106, 0);
+	dcp->cpls().front()->reels().front()->add(reel_subs);
+	dcp->write_xml (
+		dcp::Standard::SMPTE,
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::LocalTime().as_string(),
+		"A Test DCP"
+		);
+
+	check_verify_result (
+		{ dir },
+		{
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::INVALID_SUBTITLE_START_TIME, canonical(dir / "subs.mxf") },
+			{ dcp::VerificationNote::Type::WARNING, dcp::VerificationNote::Code::INVALID_SUBTITLE_FIRST_TEXT_TIME }
+		});
+}
+
+
+class TestText
+{
+public:
+	TestText (int in_, int out_, float v_position_ = 0, string text_ = "Hello")
+		: in(in_)
+		, out(out_)
+		, v_position(v_position_)
+		, text(text_)
+	{}
+
+	int in;
+	int out;
+	float v_position;
+	string text;
+};
+
+
+template <class T>
+shared_ptr<dcp::CPL>
+dcp_with_text (path dir, vector<TestText> subs)
+{
+	prepare_directory (dir);
+	auto asset = make_shared<dcp::SMPTESubtitleAsset>();
+	asset->set_start_time (dcp::Time());
+	for (auto i: subs) {
+		add_test_subtitle (asset, i.in, i.out, i.v_position, i.text);
+	}
+	asset->set_language (dcp::LanguageTag("de-DE"));
+	asset->write (dir / "subs.mxf");
+
+	auto reel_asset = make_shared<T>(asset, dcp::Fraction(24, 1), asset->intrinsic_duration(), 0);
+	return write_dcp_with_single_asset (dir, reel_asset);
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_invalid_subtitle_first_text_time)
+{
+	auto const dir = path("build/test/verify_invalid_subtitle_first_text_time");
+	/* Just too early */
+	auto cpl = dcp_with_text<dcp::ReelSubtitleAsset> (dir, {{ 4 * 24 - 1, 5 * 24 }});
+	check_verify_result (
+		{ dir },
+		{
+			{ dcp::VerificationNote::Type::WARNING, dcp::VerificationNote::Code::INVALID_SUBTITLE_FIRST_TEXT_TIME },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_METADATA, cpl->id(), cpl->file().get() }
+		});
+
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_valid_subtitle_first_text_time)
+{
+	auto const dir = path("build/test/verify_valid_subtitle_first_text_time");
+	/* Just late enough */
+	auto cpl = dcp_with_text<dcp::ReelSubtitleAsset> (dir, {{ 4 * 24, 5 * 24 }});
+	check_verify_result ({dir}, {{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_METADATA, cpl->id(), cpl->file().get() }});
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_valid_subtitle_first_text_time_on_second_reel)
+{
+	auto const dir = path("build/test/verify_valid_subtitle_first_text_time_on_second_reel");
+	prepare_directory (dir);
+
+	auto asset1 = make_shared<dcp::SMPTESubtitleAsset>();
+	asset1->set_start_time (dcp::Time());
+	/* Just late enough */
+	add_test_subtitle (asset1, 4 * 24, 5 * 24);
+	asset1->set_language (dcp::LanguageTag("de-DE"));
+	asset1->write (dir / "subs1.mxf");
+	auto reel_asset1 = make_shared<dcp::ReelSubtitleAsset>(asset1, dcp::Fraction(24, 1), 5 * 24, 0);
+	auto reel1 = make_shared<dcp::Reel>();
+	reel1->add (reel_asset1);
+	auto markers1 = make_shared<dcp::ReelMarkersAsset>(dcp::Fraction(24, 1), 5 * 24, 0);
+	markers1->set (dcp::Marker::FFOC, dcp::Time(1, 24, 24));
+	reel1->add (markers1);
+
+	auto asset2 = make_shared<dcp::SMPTESubtitleAsset>();
+	asset2->set_start_time (dcp::Time());
+	/* This would be too early on first reel but should be OK on the second */
+	add_test_subtitle (asset2, 3, 4 * 24);
+	asset2->set_language (dcp::LanguageTag("de-DE"));
+	asset2->write (dir / "subs2.mxf");
+	auto reel_asset2 = make_shared<dcp::ReelSubtitleAsset>(asset2, dcp::Fraction(24, 1), 4 * 24, 0);
+	auto reel2 = make_shared<dcp::Reel>();
+	reel2->add (reel_asset2);
+	auto markers2 = make_shared<dcp::ReelMarkersAsset>(dcp::Fraction(24, 1), 4 * 24, 0);
+	markers2->set (dcp::Marker::LFOC, dcp::Time(4 * 24 - 1, 24, 24));
+	reel2->add (markers2);
+
+	auto cpl = make_shared<dcp::CPL>("hello", dcp::ContentKind::TRAILER);
+	cpl->add (reel1);
+	cpl->add (reel2);
+	auto dcp = make_shared<dcp::DCP>(dir);
+	dcp->add (cpl);
+	dcp->write_xml (
+		dcp::Standard::SMPTE,
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::LocalTime().as_string(),
+		"hello"
+		);
+
+
+	check_verify_result ({dir}, {{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_METADATA, cpl->id(), cpl->file().get() }});
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_invalid_subtitle_spacing)
+{
+	auto const dir = path("build/test/verify_invalid_subtitle_spacing");
+	auto cpl = dcp_with_text<dcp::ReelSubtitleAsset> (
+		dir,
+		{
+			{ 4 * 24,     5 * 24 },
+			{ 5 * 24 + 1, 6 * 24 },
+		});
+	check_verify_result (
+		{dir},
+		{
+			{ dcp::VerificationNote::Type::WARNING, dcp::VerificationNote::Code::INVALID_SUBTITLE_SPACING },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_METADATA, cpl->id(), cpl->file().get() }
+		});
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_valid_subtitle_spacing)
+{
+	auto const dir = path("build/test/verify_valid_subtitle_spacing");
+	auto cpl = dcp_with_text<dcp::ReelSubtitleAsset> (
+		dir,
+		{
+			{ 4 * 24,      5 * 24 },
+			{ 5 * 24 + 16, 8 * 24 },
+		});
+	check_verify_result ({dir}, {{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_METADATA, cpl->id(), cpl->file().get() }});
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_invalid_subtitle_duration)
+{
+	auto const dir = path("build/test/verify_invalid_subtitle_duration");
+	auto cpl = dcp_with_text<dcp::ReelSubtitleAsset> (dir, {{ 4 * 24, 4 * 24 + 1 }});
+	check_verify_result (
+		{dir},
+		{
+			{ dcp::VerificationNote::Type::WARNING, dcp::VerificationNote::Code::INVALID_SUBTITLE_DURATION },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_METADATA, cpl->id(), cpl->file().get() }
+		});
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_valid_subtitle_duration)
+{
+	auto const dir = path("build/test/verify_valid_subtitle_duration");
+	auto cpl = dcp_with_text<dcp::ReelSubtitleAsset> (dir, {{ 4 * 24, 4 * 24 + 17 }});
+	check_verify_result ({dir}, {{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_METADATA, cpl->id(), cpl->file().get() }});
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_subtitle_overlapping_reel_boundary)
+{
+	auto const dir = path("build/test/verify_subtitle_overlapping_reel_boundary");
+	prepare_directory (dir);
+	auto asset = make_shared<dcp::SMPTESubtitleAsset>();
+	asset->set_start_time (dcp::Time());
+	add_test_subtitle (asset, 0, 4 * 24);
+	asset->set_language (dcp::LanguageTag("de-DE"));
+	asset->write (dir / "subs.mxf");
+
+	auto reel_asset = make_shared<dcp::ReelSubtitleAsset>(asset, dcp::Fraction(24, 1), 3 * 24, 0);
+	auto cpl = write_dcp_with_single_asset (dir, reel_asset);
+	check_verify_result (
+		{dir},
+		{
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISMATCHED_TIMED_TEXT_DURATION , "72 96", boost::filesystem::canonical(asset->file().get()) },
+			{ dcp::VerificationNote::Type::WARNING, dcp::VerificationNote::Code::INVALID_SUBTITLE_FIRST_TEXT_TIME },
+			{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::SUBTITLE_OVERLAPS_REEL_BOUNDARY },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_METADATA, cpl->id(), cpl->file().get() }
+		});
+
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_invalid_subtitle_line_count1)
+{
+	auto const dir = path ("build/test/invalid_subtitle_line_count1");
+	auto cpl = dcp_with_text<dcp::ReelSubtitleAsset> (
+		dir,
+		{
+			{ 96, 200, 0.0, "We" },
+			{ 96, 200, 0.1, "have" },
+			{ 96, 200, 0.2, "four" },
+			{ 96, 200, 0.3, "lines" }
+		});
+	check_verify_result (
+		{dir},
+		{
+			{ dcp::VerificationNote::Type::WARNING, dcp::VerificationNote::Code::INVALID_SUBTITLE_LINE_COUNT },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_METADATA, cpl->id(), cpl->file().get() }
+		});
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_valid_subtitle_line_count1)
+{
+	auto const dir = path ("build/test/verify_valid_subtitle_line_count1");
+	auto cpl = dcp_with_text<dcp::ReelSubtitleAsset> (
+		dir,
+		{
+			{ 96, 200, 0.0, "We" },
+			{ 96, 200, 0.1, "have" },
+			{ 96, 200, 0.2, "four" },
+		});
+	check_verify_result ({dir}, {{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_METADATA, cpl->id(), cpl->file().get() }});
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_invalid_subtitle_line_count2)
+{
+	auto const dir = path ("build/test/verify_invalid_subtitle_line_count2");
+	auto cpl = dcp_with_text<dcp::ReelSubtitleAsset> (
+		dir,
+		{
+			{ 96, 300, 0.0, "We" },
+			{ 96, 300, 0.1, "have" },
+			{ 150, 180, 0.2, "four" },
+			{ 150, 180, 0.3, "lines" }
+		});
+	check_verify_result (
+		{dir},
+		{
+			{ dcp::VerificationNote::Type::WARNING, dcp::VerificationNote::Code::INVALID_SUBTITLE_LINE_COUNT },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_METADATA, cpl->id(), cpl->file().get() }
+		});
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_valid_subtitle_line_count2)
+{
+	auto const dir = path ("build/test/verify_valid_subtitle_line_count2");
+	auto cpl = dcp_with_text<dcp::ReelSubtitleAsset> (
+		dir,
+		{
+			{ 96, 300, 0.0, "We" },
+			{ 96, 300, 0.1, "have" },
+			{ 150, 180, 0.2, "four" },
+			{ 190, 250, 0.3, "lines" }
+		});
+	check_verify_result ({dir}, {{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_METADATA, cpl->id(), cpl->file().get() }});
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_invalid_subtitle_line_length1)
+{
+	auto const dir = path ("build/test/verify_invalid_subtitle_line_length1");
+	auto cpl = dcp_with_text<dcp::ReelSubtitleAsset> (
+		dir,
+		{
+			{ 96, 300, 0.0, "012345678901234567890123456789012345678901234567890123" }
+		});
+	check_verify_result (
+		{dir},
+		{
+			{ dcp::VerificationNote::Type::WARNING, dcp::VerificationNote::Code::NEARLY_INVALID_SUBTITLE_LINE_LENGTH },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_METADATA, cpl->id(), cpl->file().get() }
+		});
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_invalid_subtitle_line_length2)
+{
+	auto const dir = path ("build/test/verify_invalid_subtitle_line_length2");
+	auto cpl = dcp_with_text<dcp::ReelSubtitleAsset> (
+		dir,
+		{
+			{ 96, 300, 0.0, "012345678901234567890123456789012345678901234567890123456789012345678901234567890" }
+		});
+	check_verify_result (
+		{dir},
+		{
+			{ dcp::VerificationNote::Type::WARNING, dcp::VerificationNote::Code::INVALID_SUBTITLE_LINE_LENGTH },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_METADATA, cpl->id(), cpl->file().get() }
+		});
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_valid_closed_caption_line_count1)
+{
+	auto const dir = path ("build/test/verify_valid_closed_caption_line_count1");
+	auto cpl = dcp_with_text<dcp::ReelClosedCaptionAsset> (
+		dir,
+		{
+			{ 96, 200, 0.0, "We" },
+			{ 96, 200, 0.1, "have" },
+			{ 96, 200, 0.2, "four" },
+			{ 96, 200, 0.3, "lines" }
+		});
+	check_verify_result (
+		{dir},
+		{
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::INVALID_CLOSED_CAPTION_LINE_COUNT},
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_METADATA, cpl->id(), cpl->file().get() }
+		});
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_valid_closed_caption_line_count2)
+{
+	auto const dir = path ("build/test/verify_valid_closed_caption_line_count2");
+	auto cpl = dcp_with_text<dcp::ReelClosedCaptionAsset> (
+		dir,
+		{
+			{ 96, 200, 0.0, "We" },
+			{ 96, 200, 0.1, "have" },
+			{ 96, 200, 0.2, "four" },
+		});
+	check_verify_result ({dir}, {{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_METADATA, cpl->id(), cpl->file().get() }});
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_invalid_closed_caption_line_count3)
+{
+	auto const dir = path ("build/test/verify_invalid_closed_caption_line_count3");
+	auto cpl = dcp_with_text<dcp::ReelClosedCaptionAsset> (
+		dir,
+		{
+			{ 96, 300, 0.0, "We" },
+			{ 96, 300, 0.1, "have" },
+			{ 150, 180, 0.2, "four" },
+			{ 150, 180, 0.3, "lines" }
+		});
+	check_verify_result (
+		{dir},
+		{
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::INVALID_CLOSED_CAPTION_LINE_COUNT},
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_METADATA, cpl->id(), cpl->file().get() }
+		});
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_valid_closed_caption_line_count4)
+{
+	auto const dir = path ("build/test/verify_valid_closed_caption_line_count4");
+	auto cpl = dcp_with_text<dcp::ReelClosedCaptionAsset> (
+		dir,
+		{
+			{ 96, 300, 0.0, "We" },
+			{ 96, 300, 0.1, "have" },
+			{ 150, 180, 0.2, "four" },
+			{ 190, 250, 0.3, "lines" }
+		});
+	check_verify_result ({dir}, {{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_METADATA, cpl->id(), cpl->file().get() }});
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_invalid_closed_caption_line_length)
+{
+	auto const dir = path ("build/test/verify_invalid_closed_caption_line_length");
+	auto cpl = dcp_with_text<dcp::ReelClosedCaptionAsset> (
+		dir,
+		{
+			{ 96, 300, 0.0, "0123456789012345678901234567890123" }
+		});
+	check_verify_result (
+		{dir},
+		{
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::INVALID_CLOSED_CAPTION_LINE_LENGTH },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_METADATA, cpl->id(), cpl->file().get() }
+		});
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_invalid_sound_frame_rate)
+{
+	path const dir("build/test/verify_invalid_sound_frame_rate");
+	prepare_directory (dir);
+
+	auto picture = simple_picture (dir, "foo");
+	auto reel_picture = make_shared<dcp::ReelMonoPictureAsset>(picture, 0);
+	auto reel = make_shared<dcp::Reel>();
+	reel->add (reel_picture);
+	auto sound = simple_sound (dir, "foo", dcp::MXFMetadata(), "de-DE", 24, 96000);
+	auto reel_sound = make_shared<dcp::ReelSoundAsset>(sound, 0);
+	reel->add (reel_sound);
+	reel->add (simple_markers());
+	auto cpl = make_shared<dcp::CPL>("hello", dcp::ContentKind::TRAILER);
+	cpl->add (reel);
+	auto dcp = make_shared<dcp::DCP>(dir);
+	dcp->add (cpl);
+	dcp->write_xml (
+		dcp::Standard::SMPTE,
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::LocalTime().as_string(),
+		"hello"
+		);
+
+	check_verify_result (
+		{dir},
+		{
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::INVALID_SOUND_FRAME_RATE, string("96000"), canonical(dir / "audiofoo.mxf") },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_METADATA, cpl->id(), cpl->file().get() },
+		});
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_missing_cpl_annotation_text)
+{
+	path const dir("build/test/verify_missing_cpl_annotation_text");
+	auto dcp = make_simple (dir);
+	dcp->write_xml (
+		dcp::Standard::SMPTE,
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::LocalTime().as_string(),
+		"A Test DCP"
+		);
+
+	BOOST_REQUIRE_EQUAL (dcp->cpls().size(), 1U);
+
+	auto const cpl = dcp->cpls()[0];
+
+	{
+		BOOST_REQUIRE (cpl->file());
+		Editor e(cpl->file().get());
+		e.replace("<AnnotationText>A Test DCP</AnnotationText>", "");
+	}
+
+	check_verify_result (
+		{dir},
+		{
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_ANNOTATION_TEXT, cpl->id(), canonical(cpl->file().get()) },
+			{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::MISMATCHED_CPL_HASHES, cpl->id(), canonical(cpl->file().get()) }
+		});
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_mismatched_cpl_annotation_text)
+{
+	path const dir("build/test/verify_mismatched_cpl_annotation_text");
+	auto dcp = make_simple (dir);
+	dcp->write_xml (
+		dcp::Standard::SMPTE,
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::LocalTime().as_string(),
+		"A Test DCP"
+		);
+
+	BOOST_REQUIRE_EQUAL (dcp->cpls().size(), 1U);
+	auto const cpl = dcp->cpls()[0];
+
+	{
+		BOOST_REQUIRE (cpl->file());
+		Editor e(cpl->file().get());
+		e.replace("<AnnotationText>A Test DCP</AnnotationText>", "<AnnotationText>A Test DCP 1</AnnotationText>");
+	}
+
+	check_verify_result (
+		{dir},
+		{
+			{ dcp::VerificationNote::Type::WARNING, dcp::VerificationNote::Code::MISMATCHED_CPL_ANNOTATION_TEXT, cpl->id(), canonical(cpl->file().get()) },
+			{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::MISMATCHED_CPL_HASHES, cpl->id(), canonical(cpl->file().get()) }
+		});
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_mismatched_asset_duration)
+{
+	path const dir("build/test/verify_mismatched_asset_duration");
+	prepare_directory (dir);
+	shared_ptr<dcp::DCP> dcp (new dcp::DCP(dir));
+	shared_ptr<dcp::CPL> cpl (new dcp::CPL("A Test DCP", dcp::ContentKind::TRAILER));
+
+	shared_ptr<dcp::MonoPictureAsset> mp = simple_picture (dir, "", 24);
+	shared_ptr<dcp::SoundAsset> ms = simple_sound (dir, "", dcp::MXFMetadata(), "en-US", 25);
+
+	auto reel = make_shared<dcp::Reel>(
+		make_shared<dcp::ReelMonoPictureAsset>(mp, 0),
+		make_shared<dcp::ReelSoundAsset>(ms, 0)
+		);
+
+	reel->add (simple_markers());
+	cpl->add (reel);
+
+	dcp->add (cpl);
+	dcp->write_xml (
+		dcp::Standard::SMPTE,
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::LocalTime().as_string(),
+		"A Test DCP"
+		);
+
+	check_verify_result (
+		{dir},
+		{
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISMATCHED_ASSET_DURATION },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_METADATA, cpl->id(), canonical(cpl->file().get()) }
+		});
+}
+
+
+
+static
+shared_ptr<dcp::CPL>
+verify_subtitles_must_be_in_all_reels_check (path dir, bool add_to_reel1, bool add_to_reel2)
+{
+	prepare_directory (dir);
+	auto dcp = make_shared<dcp::DCP>(dir);
+	auto cpl = make_shared<dcp::CPL>("A Test DCP", dcp::ContentKind::TRAILER);
+
+	auto constexpr reel_length = 192;
+
+	auto subs = make_shared<dcp::SMPTESubtitleAsset>();
+	subs->set_language (dcp::LanguageTag("de-DE"));
+	subs->set_start_time (dcp::Time());
+	subs->add (simple_subtitle());
+	subs->write (dir / "subs.mxf");
+	auto reel_subs = make_shared<dcp::ReelSubtitleAsset>(subs, dcp::Fraction(24, 1), reel_length, 0);
+
+	auto reel1 = make_shared<dcp::Reel>(
+		make_shared<dcp::ReelMonoPictureAsset>(simple_picture(dir, "", reel_length), 0),
+		make_shared<dcp::ReelSoundAsset>(simple_sound(dir, "", dcp::MXFMetadata(), "en-US", reel_length), 0)
+		);
+
+	if (add_to_reel1) {
+		reel1->add (make_shared<dcp::ReelSubtitleAsset>(subs, dcp::Fraction(24, 1), reel_length, 0));
+	}
+
+	auto markers1 = make_shared<dcp::ReelMarkersAsset>(dcp::Fraction(24, 1), reel_length, 0);
+	markers1->set (dcp::Marker::FFOC, dcp::Time(1, 24, 24));
+	reel1->add (markers1);
+
+	cpl->add (reel1);
+
+	auto reel2 = make_shared<dcp::Reel>(
+		make_shared<dcp::ReelMonoPictureAsset>(simple_picture(dir, "", reel_length), 0),
+		make_shared<dcp::ReelSoundAsset>(simple_sound(dir, "", dcp::MXFMetadata(), "en-US", reel_length), 0)
+		);
+
+	if (add_to_reel2) {
+		reel2->add (make_shared<dcp::ReelSubtitleAsset>(subs, dcp::Fraction(24, 1), reel_length, 0));
+	}
+
+	auto markers2 = make_shared<dcp::ReelMarkersAsset>(dcp::Fraction(24, 1), reel_length, 0);
+	markers2->set (dcp::Marker::LFOC, dcp::Time(reel_length - 1, 24, 24));
+	reel2->add (markers2);
+
+	cpl->add (reel2);
+
+	dcp->add (cpl);
+	dcp->write_xml (
+		dcp::Standard::SMPTE,
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::LocalTime().as_string(),
+		"A Test DCP"
+		);
+
+	return cpl;
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_missing_main_subtitle_from_some_reels)
+{
+	{
+		path dir ("build/test/missing_main_subtitle_from_some_reels");
+		auto cpl = verify_subtitles_must_be_in_all_reels_check (dir, true, false);
+		check_verify_result (
+			{ dir },
+			{
+				{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_MAIN_SUBTITLE_FROM_SOME_REELS },
+				{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_METADATA, cpl->id(), cpl->file().get() }
+			});
+
+	}
+
+	{
+		path dir ("build/test/verify_subtitles_must_be_in_all_reels2");
+		auto cpl = verify_subtitles_must_be_in_all_reels_check (dir, true, true);
+		check_verify_result ({dir}, {{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_METADATA, cpl->id(), cpl->file().get() }});
+	}
+
+	{
+		path dir ("build/test/verify_subtitles_must_be_in_all_reels1");
+		auto cpl = verify_subtitles_must_be_in_all_reels_check (dir, false, false);
+		check_verify_result ({dir}, {{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_METADATA, cpl->id(), cpl->file().get() }});
+	}
+}
+
+
+static
+shared_ptr<dcp::CPL>
+verify_closed_captions_must_be_in_all_reels_check (path dir, int caps_in_reel1, int caps_in_reel2)
+{
+	prepare_directory (dir);
+	auto dcp = make_shared<dcp::DCP>(dir);
+	auto cpl = make_shared<dcp::CPL>("A Test DCP", dcp::ContentKind::TRAILER);
+
+	auto constexpr reel_length = 192;
+
+	auto subs = make_shared<dcp::SMPTESubtitleAsset>();
+	subs->set_language (dcp::LanguageTag("de-DE"));
+	subs->set_start_time (dcp::Time());
+	subs->add (simple_subtitle());
+	subs->write (dir / "subs.mxf");
+
+	auto reel1 = make_shared<dcp::Reel>(
+		make_shared<dcp::ReelMonoPictureAsset>(simple_picture(dir, "", reel_length), 0),
+		make_shared<dcp::ReelSoundAsset>(simple_sound(dir, "", dcp::MXFMetadata(), "en-US", reel_length), 0)
+		);
+
+	for (int i = 0; i < caps_in_reel1; ++i) {
+		reel1->add (make_shared<dcp::ReelClosedCaptionAsset>(subs, dcp::Fraction(24, 1), reel_length, 0));
+	}
+
+	auto markers1 = make_shared<dcp::ReelMarkersAsset>(dcp::Fraction(24, 1), reel_length, 0);
+	markers1->set (dcp::Marker::FFOC, dcp::Time(1, 24, 24));
+	reel1->add (markers1);
+
+	cpl->add (reel1);
+
+	auto reel2 = make_shared<dcp::Reel>(
+		make_shared<dcp::ReelMonoPictureAsset>(simple_picture(dir, "", reel_length), 0),
+		make_shared<dcp::ReelSoundAsset>(simple_sound(dir, "", dcp::MXFMetadata(), "en-US", reel_length), 0)
+		);
+
+	for (int i = 0; i < caps_in_reel2; ++i) {
+		reel2->add (make_shared<dcp::ReelClosedCaptionAsset>(subs, dcp::Fraction(24, 1), reel_length, 0));
+	}
+
+	auto markers2 = make_shared<dcp::ReelMarkersAsset>(dcp::Fraction(24, 1), reel_length, 0);
+	markers2->set (dcp::Marker::LFOC, dcp::Time(reel_length - 1, 24, 24));
+	reel2->add (markers2);
+
+	cpl->add (reel2);
+
+	dcp->add (cpl);
+	dcp->write_xml (
+		dcp::Standard::SMPTE,
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::LocalTime().as_string(),
+		"A Test DCP"
+		);
+
+	return cpl;
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_mismatched_closed_caption_asset_counts)
+{
+	{
+		path dir ("build/test/mismatched_closed_caption_asset_counts");
+		auto cpl = verify_closed_captions_must_be_in_all_reels_check (dir, 3, 4);
+		check_verify_result (
+			{dir},
+			{
+				{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISMATCHED_CLOSED_CAPTION_ASSET_COUNTS },
+				{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_METADATA, cpl->id(), cpl->file().get() }
+			});
+	}
+
+	{
+		path dir ("build/test/verify_closed_captions_must_be_in_all_reels2");
+		auto cpl = verify_closed_captions_must_be_in_all_reels_check (dir, 4, 4);
+		check_verify_result ({dir}, {{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_METADATA, cpl->id(), cpl->file().get() }});
+	}
+
+	{
+		path dir ("build/test/verify_closed_captions_must_be_in_all_reels3");
+		auto cpl = verify_closed_captions_must_be_in_all_reels_check (dir, 0, 0);
+		check_verify_result ({dir}, {{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_METADATA, cpl->id(), cpl->file().get() }});
+	}
+}
+
+
+template <class T>
+void
+verify_text_entry_point_check (path dir, dcp::VerificationNote::Code code, boost::function<void (shared_ptr<T>)> adjust)
+{
+	prepare_directory (dir);
+	auto dcp = make_shared<dcp::DCP>(dir);
+	auto cpl = make_shared<dcp::CPL>("A Test DCP", dcp::ContentKind::TRAILER);
+
+	auto constexpr reel_length = 192;
+
+	auto subs = make_shared<dcp::SMPTESubtitleAsset>();
+	subs->set_language (dcp::LanguageTag("de-DE"));
+	subs->set_start_time (dcp::Time());
+	subs->add (simple_subtitle());
+	subs->write (dir / "subs.mxf");
+	auto reel_text = make_shared<T>(subs, dcp::Fraction(24, 1), reel_length, 0);
+	adjust (reel_text);
+
+	auto reel = make_shared<dcp::Reel>(
+		make_shared<dcp::ReelMonoPictureAsset>(simple_picture(dir, "", reel_length), 0),
+		make_shared<dcp::ReelSoundAsset>(simple_sound(dir, "", dcp::MXFMetadata(), "en-US", reel_length), 0)
+		);
+
+	reel->add (reel_text);
+
+	reel->add (simple_markers(reel_length));
+
+	cpl->add (reel);
+
+	dcp->add (cpl);
+	dcp->write_xml (
+		dcp::Standard::SMPTE,
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::LocalTime().as_string(),
+		"A Test DCP"
+		);
+
+	check_verify_result (
+		{dir},
+		{
+			{ dcp::VerificationNote::Type::BV21_ERROR, code, subs->id() },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_METADATA, cpl->id(), cpl->file().get() }
+		});
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_text_entry_point)
+{
+	verify_text_entry_point_check<dcp::ReelSubtitleAsset> (
+		"build/test/verify_subtitle_entry_point_must_be_present",
+		dcp::VerificationNote::Code::MISSING_SUBTITLE_ENTRY_POINT,
+		[](shared_ptr<dcp::ReelSubtitleAsset> asset) {
+			asset->unset_entry_point ();
+			}
+		);
+
+	verify_text_entry_point_check<dcp::ReelSubtitleAsset> (
+		"build/test/verify_subtitle_entry_point_must_be_zero",
+		dcp::VerificationNote::Code::INCORRECT_SUBTITLE_ENTRY_POINT,
+		[](shared_ptr<dcp::ReelSubtitleAsset> asset) {
+			asset->set_entry_point (4);
+			}
+		);
+
+	verify_text_entry_point_check<dcp::ReelClosedCaptionAsset> (
+		"build/test/verify_closed_caption_entry_point_must_be_present",
+		dcp::VerificationNote::Code::MISSING_CLOSED_CAPTION_ENTRY_POINT,
+		[](shared_ptr<dcp::ReelClosedCaptionAsset> asset) {
+			asset->unset_entry_point ();
+			}
+		);
+
+	verify_text_entry_point_check<dcp::ReelClosedCaptionAsset> (
+		"build/test/verify_closed_caption_entry_point_must_be_zero",
+		dcp::VerificationNote::Code::INCORRECT_CLOSED_CAPTION_ENTRY_POINT,
+		[](shared_ptr<dcp::ReelClosedCaptionAsset> asset) {
+			asset->set_entry_point (9);
+			}
+		);
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_missing_hash)
+{
+	RNGFixer fix;
+
+	path const dir("build/test/verify_missing_hash");
+	auto dcp = make_simple (dir);
+	dcp->write_xml (
+		dcp::Standard::SMPTE,
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::LocalTime().as_string(),
+		"A Test DCP"
+		);
+
+	BOOST_REQUIRE_EQUAL (dcp->cpls().size(), 1U);
+	auto const cpl = dcp->cpls()[0];
+
+	{
+		BOOST_REQUIRE (cpl->file());
+		Editor e(cpl->file().get());
+		e.replace("<Hash>addO7je2lZSNQp55qjCWo5DLKFQ=</Hash>", "");
+	}
+
+	check_verify_result (
+		{dir},
+		{
+			{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::MISMATCHED_CPL_HASHES, cpl->id(), cpl->file().get() },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_HASH, string("1fab8bb0-cfaf-4225-ad6d-01768bc10470") }
+		});
+}
+
+
+static
+void
+verify_markers_test (
+	path dir,
+	vector<pair<dcp::Marker, dcp::Time>> markers,
+	vector<dcp::VerificationNote> test_notes
+	)
+{
+	auto dcp = make_simple (dir);
+	dcp->cpls()[0]->set_content_kind (dcp::ContentKind::FEATURE);
+	auto markers_asset = make_shared<dcp::ReelMarkersAsset>(dcp::Fraction(24, 1), 24, 0);
+	for (auto const& i: markers) {
+		markers_asset->set (i.first, i.second);
+	}
+	dcp->cpls()[0]->reels()[0]->add(markers_asset);
+	dcp->write_xml (
+		dcp::Standard::SMPTE,
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::LocalTime().as_string(),
+		"A Test DCP"
+		);
+
+	check_verify_result ({dir}, test_notes);
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_markers)
+{
+	verify_markers_test (
+		"build/test/verify_markers_all_correct",
+		{
+			{ dcp::Marker::FFEC, dcp::Time(12, 24, 24) },
+			{ dcp::Marker::FFMC, dcp::Time(13, 24, 24) },
+			{ dcp::Marker::FFOC, dcp::Time(1, 24, 24) },
+			{ dcp::Marker::LFOC, dcp::Time(23, 24, 24) }
+		},
+		{}
+		);
+
+	verify_markers_test (
+		"build/test/verify_markers_missing_ffec",
+		{
+			{ dcp::Marker::FFMC, dcp::Time(13, 24, 24) },
+			{ dcp::Marker::FFOC, dcp::Time(1, 24, 24) },
+			{ dcp::Marker::LFOC, dcp::Time(23, 24, 24) }
+		},
+		{
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_FFEC_IN_FEATURE }
+		});
+
+	verify_markers_test (
+		"build/test/verify_markers_missing_ffmc",
+		{
+			{ dcp::Marker::FFEC, dcp::Time(12, 24, 24) },
+			{ dcp::Marker::FFOC, dcp::Time(1, 24, 24) },
+			{ dcp::Marker::LFOC, dcp::Time(23, 24, 24) }
+		},
+		{
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_FFMC_IN_FEATURE }
+		});
+
+	verify_markers_test (
+		"build/test/verify_markers_missing_ffoc",
+		{
+			{ dcp::Marker::FFEC, dcp::Time(12, 24, 24) },
+			{ dcp::Marker::FFMC, dcp::Time(13, 24, 24) },
+			{ dcp::Marker::LFOC, dcp::Time(23, 24, 24) }
+		},
+		{
+			{ dcp::VerificationNote::Type::WARNING, dcp::VerificationNote::Code::MISSING_FFOC}
+		});
+
+	verify_markers_test (
+		"build/test/verify_markers_missing_lfoc",
+		{
+			{ dcp::Marker::FFEC, dcp::Time(12, 24, 24) },
+			{ dcp::Marker::FFMC, dcp::Time(13, 24, 24) },
+			{ dcp::Marker::FFOC, dcp::Time(1, 24, 24) }
+		},
+		{
+			{ dcp::VerificationNote::Type::WARNING, dcp::VerificationNote::Code::MISSING_LFOC }
+		});
+
+	verify_markers_test (
+		"build/test/verify_markers_incorrect_ffoc",
+		{
+			{ dcp::Marker::FFEC, dcp::Time(12, 24, 24) },
+			{ dcp::Marker::FFMC, dcp::Time(13, 24, 24) },
+			{ dcp::Marker::FFOC, dcp::Time(3, 24, 24) },
+			{ dcp::Marker::LFOC, dcp::Time(23, 24, 24) }
+		},
+		{
+			{ dcp::VerificationNote::Type::WARNING, dcp::VerificationNote::Code::INCORRECT_FFOC, string("3") }
+		});
+
+	verify_markers_test (
+		"build/test/verify_markers_incorrect_lfoc",
+		{
+			{ dcp::Marker::FFEC, dcp::Time(12, 24, 24) },
+			{ dcp::Marker::FFMC, dcp::Time(13, 24, 24) },
+			{ dcp::Marker::FFOC, dcp::Time(1, 24, 24) },
+			{ dcp::Marker::LFOC, dcp::Time(18, 24, 24) }
+		},
+		{
+			{ dcp::VerificationNote::Type::WARNING, dcp::VerificationNote::Code::INCORRECT_LFOC, string("18") }
+		});
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_missing_cpl_metadata_version_number)
+{
+	path dir = "build/test/verify_missing_cpl_metadata_version_number";
+	prepare_directory (dir);
+	auto dcp = make_simple (dir);
+	auto cpl = dcp->cpls()[0];
+	cpl->unset_version_number();
+	dcp->write_xml (
+		dcp::Standard::SMPTE,
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::LocalTime().as_string(),
+		"A Test DCP"
+		);
+
+	check_verify_result ({dir}, {{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_METADATA_VERSION_NUMBER, cpl->id(), cpl->file().get() }});
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_missing_extension_metadata1)
+{
+	path dir = "build/test/verify_missing_extension_metadata1";
+	auto dcp = make_simple (dir);
+	dcp->write_xml (
+		dcp::Standard::SMPTE,
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::LocalTime().as_string(),
+		"A Test DCP"
+		);
+
+	auto cpl = dcp->cpls()[0];
+
+	{
+		Editor e (cpl->file().get());
+		e.delete_lines ("<meta:ExtensionMetadataList>", "</meta:ExtensionMetadataList>");
+	}
+
+	check_verify_result (
+		{dir},
+		{
+			{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::MISMATCHED_CPL_HASHES, cpl->id(), cpl->file().get() },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_EXTENSION_METADATA, cpl->id(), cpl->file().get() }
+		});
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_missing_extension_metadata2)
+{
+	path dir = "build/test/verify_missing_extension_metadata2";
+	auto dcp = make_simple (dir);
+	dcp->write_xml (
+		dcp::Standard::SMPTE,
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::LocalTime().as_string(),
+		"A Test DCP"
+		);
+
+	auto cpl = dcp->cpls()[0];
+
+	{
+		Editor e (cpl->file().get());
+		e.delete_lines ("<meta:ExtensionMetadata scope=\"http://isdcf.com/ns/cplmd/app\">", "</meta:ExtensionMetadata>");
+	}
+
+	check_verify_result (
+		{dir},
+		{
+			{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::MISMATCHED_CPL_HASHES, cpl->id(), cpl->file().get() },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_EXTENSION_METADATA, cpl->id(), cpl->file().get() }
+		});
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_invalid_xml_cpl_extension_metadata3)
+{
+	path dir = "build/test/verify_invalid_xml_cpl_extension_metadata3";
+	auto dcp = make_simple (dir);
+	dcp->write_xml (
+		dcp::Standard::SMPTE,
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::LocalTime().as_string(),
+		"A Test DCP"
+		);
+
+	auto const cpl = dcp->cpls()[0];
+
+	{
+		Editor e (cpl->file().get());
+		e.replace ("<meta:Name>A", "<meta:NameX>A");
+		e.replace ("n</meta:Name>", "n</meta:NameX>");
+	}
+
+	check_verify_result (
+		{dir},
+		{
+			{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::INVALID_XML, string("no declaration found for element 'meta:NameX'"), cpl->file().get(), 75 },
+			{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::INVALID_XML, string("element 'meta:NameX' is not allowed for content model '(Name,PropertyList?,)'"), cpl->file().get(), 82 },
+			{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::MISMATCHED_CPL_HASHES, cpl->id(), cpl->file().get() },
+		});
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_invalid_extension_metadata1)
+{
+	path dir = "build/test/verify_invalid_extension_metadata1";
+	auto dcp = make_simple (dir);
+	dcp->write_xml (
+		dcp::Standard::SMPTE,
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::LocalTime().as_string(),
+		"A Test DCP"
+		);
+
+	auto cpl = dcp->cpls()[0];
+
+	{
+		Editor e (cpl->file().get());
+		e.replace ("Application", "Fred");
+	}
+
+	check_verify_result (
+		{dir},
+		{
+			{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::MISMATCHED_CPL_HASHES, cpl->id(), cpl->file().get() },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::INVALID_EXTENSION_METADATA, string("<Name> should be 'Application'"), cpl->file().get() },
+		});
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_invalid_extension_metadata2)
+{
+	path dir = "build/test/verify_invalid_extension_metadata2";
+	auto dcp = make_simple (dir);
+	dcp->write_xml (
+		dcp::Standard::SMPTE,
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::LocalTime().as_string(),
+		"A Test DCP"
+		);
+
+	auto cpl = dcp->cpls()[0];
+
+	{
+		Editor e (cpl->file().get());
+		e.replace ("DCP Constraints Profile", "Fred");
+	}
+
+	check_verify_result (
+		{dir},
+		{
+			{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::MISMATCHED_CPL_HASHES, cpl->id(), cpl->file().get() },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::INVALID_EXTENSION_METADATA, string("<Name> property should be 'DCP Constraints Profile'"), cpl->file().get() },
+		});
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_invalid_xml_cpl_extension_metadata6)
+{
+	path dir = "build/test/verify_invalid_xml_cpl_extension_metadata6";
+	auto dcp = make_simple (dir);
+	dcp->write_xml (
+		dcp::Standard::SMPTE,
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::LocalTime().as_string(),
+		"A Test DCP"
+		);
+
+	auto const cpl = dcp->cpls()[0];
+
+	{
+		Editor e (cpl->file().get());
+		e.replace ("<meta:Value>", "<meta:ValueX>");
+		e.replace ("</meta:Value>", "</meta:ValueX>");
+	}
+
+	check_verify_result (
+		{dir},
+		{
+			{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::INVALID_XML, string("no declaration found for element 'meta:ValueX'"), cpl->file().get(), 79 },
+			{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::INVALID_XML, string("element 'meta:ValueX' is not allowed for content model '(Name,Value)'"), cpl->file().get(), 80 },
+			{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::MISMATCHED_CPL_HASHES, cpl->id(), cpl->file().get() },
+		});
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_invalid_xml_cpl_extension_metadata7)
+{
+	path dir = "build/test/verify_invalid_xml_cpl_extension_metadata7";
+	auto dcp = make_simple (dir);
+	dcp->write_xml (
+		dcp::Standard::SMPTE,
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::LocalTime().as_string(),
+		"A Test DCP"
+		);
+
+	auto const cpl = dcp->cpls()[0];
+
+	{
+		Editor e (cpl->file().get());
+		e.replace ("SMPTE-RDD-52:2020-Bv2.1", "Fred");
+	}
+
+	check_verify_result (
+		{dir},
+		{
+			{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::MISMATCHED_CPL_HASHES, cpl->id(), cpl->file().get() },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::INVALID_EXTENSION_METADATA, string("<Value> property should be 'SMPTE-RDD-52:2020-Bv2.1'"), cpl->file().get() },
+		});
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_invalid_xml_cpl_extension_metadata8)
+{
+	path dir = "build/test/verify_invalid_xml_cpl_extension_metadata8";
+	auto dcp = make_simple (dir);
+	dcp->write_xml (
+		dcp::Standard::SMPTE,
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::LocalTime().as_string(),
+		"A Test DCP"
+		);
+
+	auto const cpl = dcp->cpls()[0];
+
+	{
+		Editor e (cpl->file().get());
+		e.replace ("<meta:Property>", "<meta:PropertyX>");
+		e.replace ("</meta:Property>", "</meta:PropertyX>");
+	}
+
+	check_verify_result (
+		{dir},
+		{
+			{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::INVALID_XML, string("no declaration found for element 'meta:PropertyX'"), cpl->file().get(), 77 },
+			{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::INVALID_XML, string("element 'meta:PropertyX' is not allowed for content model '(Property+)'"), cpl->file().get(), 81 },
+			{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::MISMATCHED_CPL_HASHES, cpl->id(), cpl->file().get() },
+		});
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_invalid_xml_cpl_extension_metadata9)
+{
+	path dir = "build/test/verify_invalid_xml_cpl_extension_metadata9";
+	auto dcp = make_simple (dir);
+	dcp->write_xml (
+		dcp::Standard::SMPTE,
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::String::compose("libdcp %1", dcp::version),
+		dcp::LocalTime().as_string(),
+		"A Test DCP"
+		);
+
+	auto const cpl = dcp->cpls()[0];
+
+	{
+		Editor e (cpl->file().get());
+		e.replace ("<meta:PropertyList>", "<meta:PropertyListX>");
+		e.replace ("</meta:PropertyList>", "</meta:PropertyListX>");
+	}
+
+	check_verify_result (
+		{dir},
+		{
+			{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::INVALID_XML, string("no declaration found for element 'meta:PropertyListX'"), cpl->file().get(), 76 },
+			{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::INVALID_XML, string("element 'meta:PropertyListX' is not allowed for content model '(Name,PropertyList?,)'"), cpl->file().get(), 82 },
+			{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::MISMATCHED_CPL_HASHES, cpl->id(), cpl->file().get() },
+		});
+}
+
+
+
+BOOST_AUTO_TEST_CASE (verify_unsigned_cpl_with_encrypted_content)
+{
+	path dir = "build/test/verify_unsigned_cpl_with_encrypted_content";
+	prepare_directory (dir);
+	for (auto i: directory_iterator("test/ref/DCP/encryption_test")) {
+		copy_file (i.path(), dir / i.path().filename());
+	}
+
+	path const pkl = dir / ( "pkl_" + encryption_test_pkl_id + ".xml" );
+	path const cpl = dir / ( "cpl_" + encryption_test_cpl_id + ".xml");
+
+	{
+		Editor e (cpl);
+		e.delete_lines ("<dsig:Signature", "</dsig:Signature>");
+	}
+
+	check_verify_result (
+		{dir},
+		{
+			{ dcp::VerificationNote::Type::ERROR, dcp::VerificationNote::Code::MISMATCHED_CPL_HASHES, encryption_test_cpl_id, canonical(cpl) },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISMATCHED_PKL_ANNOTATION_TEXT_WITH_CPL, encryption_test_pkl_id, canonical(pkl), },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_FFEC_IN_FEATURE },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_FFMC_IN_FEATURE },
+			{ dcp::VerificationNote::Type::WARNING, dcp::VerificationNote::Code::MISSING_FFOC },
+			{ dcp::VerificationNote::Type::WARNING, dcp::VerificationNote::Code::MISSING_LFOC },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_METADATA, encryption_test_cpl_id, canonical(cpl) },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::UNSIGNED_CPL_WITH_ENCRYPTED_CONTENT, encryption_test_cpl_id, canonical(cpl) }
+		});
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_unsigned_pkl_with_encrypted_content)
+{
+	path dir = "build/test/unsigned_pkl_with_encrypted_content";
+	prepare_directory (dir);
+	for (auto i: directory_iterator("test/ref/DCP/encryption_test")) {
+		copy_file (i.path(), dir / i.path().filename());
+	}
+
+	path const cpl = dir / ("cpl_" + encryption_test_cpl_id + ".xml");
+	path const pkl = dir / ("pkl_" + encryption_test_pkl_id + ".xml");
+	{
+		Editor e (pkl);
+		e.delete_lines ("<dsig:Signature", "</dsig:Signature>");
+	}
+
+	check_verify_result (
+		{dir},
+		{
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISMATCHED_PKL_ANNOTATION_TEXT_WITH_CPL, encryption_test_pkl_id, canonical(pkl) },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_FFEC_IN_FEATURE },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_FFMC_IN_FEATURE },
+			{ dcp::VerificationNote::Type::WARNING, dcp::VerificationNote::Code::MISSING_FFOC },
+			{ dcp::VerificationNote::Type::WARNING, dcp::VerificationNote::Code::MISSING_LFOC },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_METADATA, encryption_test_cpl_id, canonical(cpl) },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::UNSIGNED_PKL_WITH_ENCRYPTED_CONTENT, encryption_test_pkl_id, canonical(pkl) },
+		});
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_unsigned_pkl_with_unencrypted_content)
+{
+	path dir = "build/test/verify_unsigned_pkl_with_unencrypted_content";
+	prepare_directory (dir);
+	for (auto i: directory_iterator("test/ref/DCP/dcp_test1")) {
+		copy_file (i.path(), dir / i.path().filename());
+	}
+
+	{
+		Editor e (dir / dcp_test1_pkl);
+		e.delete_lines ("<dsig:Signature", "</dsig:Signature>");
+	}
+
+	check_verify_result ({dir}, {});
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_partially_encrypted)
+{
+	path dir ("build/test/verify_must_not_be_partially_encrypted");
+	prepare_directory (dir);
+
+	dcp::DCP d (dir);
+
+	auto signer = make_shared<dcp::CertificateChain>();
+	signer->add (dcp::Certificate(dcp::file_to_string("test/ref/crypt/ca.self-signed.pem")));
+	signer->add (dcp::Certificate(dcp::file_to_string("test/ref/crypt/intermediate.signed.pem")));
+	signer->add (dcp::Certificate(dcp::file_to_string("test/ref/crypt/leaf.signed.pem")));
+	signer->set_key (dcp::file_to_string("test/ref/crypt/leaf.key"));
+
+	auto cpl = make_shared<dcp::CPL>("A Test DCP", dcp::ContentKind::TRAILER);
+
+	dcp::Key key;
+
+	auto mp = make_shared<dcp::MonoPictureAsset>(dcp::Fraction (24, 1), dcp::Standard::SMPTE);
+	mp->set_key (key);
+
+	auto writer = mp->start_write (dir / "video.mxf", false);
+	dcp::ArrayData j2c ("test/data/flat_red.j2c");
+	for (int i = 0; i < 24; ++i) {
+		writer->write (j2c.data(), j2c.size());
+	}
+	writer->finalize ();
+
+	auto ms = simple_sound (dir, "", dcp::MXFMetadata(), "de-DE");
+
+	auto reel = make_shared<dcp::Reel>(
+		make_shared<dcp::ReelMonoPictureAsset>(mp, 0),
+		make_shared<dcp::ReelSoundAsset>(ms, 0)
+		);
+
+	reel->add (simple_markers());
+
+	cpl->add (reel);
+
+	cpl->set_content_version (
+		{"urn:uri:81fb54df-e1bf-4647-8788-ea7ba154375b_2012-07-17T04:45:18+00:00", "81fb54df-e1bf-4647-8788-ea7ba154375b_2012-07-17T04:45:18+00:00"}
+		);
+	cpl->set_annotation_text ("A Test DCP");
+	cpl->set_issuer ("OpenDCP 0.0.25");
+	cpl->set_creator ("OpenDCP 0.0.25");
+	cpl->set_issue_date ("2012-07-17T04:45:18+00:00");
+	cpl->set_main_sound_configuration ("L,C,R,Lfe,-,-");
+	cpl->set_main_sound_sample_rate (48000);
+	cpl->set_main_picture_stored_area (dcp::Size(1998, 1080));
+	cpl->set_main_picture_active_area (dcp::Size(1440, 1080));
+	cpl->set_version_number (1);
+
+	d.add (cpl);
+
+	d.write_xml (dcp::Standard::SMPTE, "OpenDCP 0.0.25", "OpenDCP 0.0.25", "2012-07-17T04:45:18+00:00", "A Test DCP", signer);
+
+	check_verify_result (
+		{dir},
+		{
+			{dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::PARTIALLY_ENCRYPTED},
+		});
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_jpeg2000_codestream_2k)
+{
+	vector<dcp::VerificationNote> notes;
+	dcp::MonoPictureAsset picture (find_file(private_test / "data" / "JourneyToJah_TLR-1_F_EN-DE-FR_CH_51_2K_LOK_20140225_DGL_SMPTE_OV", "j2c.mxf"));
+	auto reader = picture.start_read ();
+	auto frame = reader->get_frame (0);
+	verify_j2k (frame, notes);
+	BOOST_REQUIRE_EQUAL (notes.size(), 0U);
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_jpeg2000_codestream_4k)
+{
+	vector<dcp::VerificationNote> notes;
+	dcp::MonoPictureAsset picture (find_file(private_test / "data" / "sul", "TLR"));
+	auto reader = picture.start_read ();
+	auto frame = reader->get_frame (0);
+	verify_j2k (frame, notes);
+	BOOST_REQUIRE_EQUAL (notes.size(), 0U);
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_jpeg2000_codestream_libdcp)
+{
+	boost::filesystem::path dir = "build/test/verify_jpeg2000_codestream_libdcp";
+	prepare_directory (dir);
+	auto dcp = make_simple (dir);
+	dcp->write_xml (dcp::Standard::SMPTE);
+	vector<dcp::VerificationNote> notes;
+	dcp::MonoPictureAsset picture (find_file(dir, "video"));
+	auto reader = picture.start_read ();
+	auto frame = reader->get_frame (0);
+	verify_j2k (frame, notes);
+	BOOST_REQUIRE_EQUAL (notes.size(), 0U);
+}
+
+
+/** Check that ResourceID and the XML ID being different is spotted */
+BOOST_AUTO_TEST_CASE (verify_mismatched_subtitle_resource_id)
+{
+	boost::filesystem::path const dir = "build/test/verify_mismatched_subtitle_resource_id";
+	prepare_directory (dir);
+
+	ASDCP::WriterInfo writer_info;
+	writer_info.LabelSetType = ASDCP::LS_MXF_SMPTE;
+
+	unsigned int c;
+	auto mxf_id = dcp::make_uuid ();
+	Kumu::hex2bin (mxf_id.c_str(), writer_info.AssetUUID, Kumu::UUID_Length, &c);
+	BOOST_REQUIRE (c == Kumu::UUID_Length);
+
+	auto resource_id = dcp::make_uuid ();
+	ASDCP::TimedText::TimedTextDescriptor descriptor;
+	Kumu::hex2bin (resource_id.c_str(), descriptor.AssetID, Kumu::UUID_Length, &c);
+	DCP_ASSERT (c == Kumu::UUID_Length);
+
+	auto xml_id = dcp::make_uuid ();
+	ASDCP::TimedText::MXFWriter writer;
+	auto subs_mxf = dir / "subs.mxf";
+	auto r = writer.OpenWrite(subs_mxf.c_str(), writer_info, descriptor, 4096);
+	BOOST_REQUIRE (ASDCP_SUCCESS(r));
+	writer.WriteTimedTextResource (dcp::String::compose(
+		"<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
+		"<SubtitleReel xmlns=\"http://www.smpte-ra.org/schemas/428-7/2010/DCST\" xmlns:xs=\"http://www.w3.org/2001/schema\">"
+		"<Id>urn:uuid:%1</Id>"
+		"<ContentTitleText>Content</ContentTitleText>"
+		"<AnnotationText>Annotation</AnnotationText>"
+		"<IssueDate>2018-10-02T12:25:14+02:00</IssueDate>"
+		"<ReelNumber>1</ReelNumber>"
+		"<Language>en-US</Language>"
+		"<EditRate>25 1</EditRate>"
+		"<TimeCodeRate>25</TimeCodeRate>"
+		"<StartTime>00:00:00:00</StartTime>"
+		"<SubtitleList>"
+		"<Font ID=\"arial\" Color=\"FFFEFEFE\" Weight=\"normal\" Size=\"42\" Effect=\"border\" EffectColor=\"FF181818\" AspectAdjust=\"1.00\">"
+		"<Subtitle SpotNumber=\"1\" TimeIn=\"00:00:03:00\" TimeOut=\"00:00:04:10\" FadeUpTime=\"00:00:00:00\" FadeDownTime=\"00:00:00:00\">"
+		"<Text Hposition=\"0.0\" Halign=\"center\" Valign=\"bottom\" Vposition=\"13.5\" Direction=\"ltr\">Hello world</Text>"
+		"</Subtitle>"
+		"</Font>"
+		"</SubtitleList>"
+		"</SubtitleReel>",
+		xml_id).c_str());
+
+	writer.Finalize();
+
+	auto subs_asset = make_shared<dcp::SMPTESubtitleAsset>(subs_mxf);
+	auto subs_reel = make_shared<dcp::ReelSubtitleAsset>(subs_asset, dcp::Fraction(24, 1), 240, 0);
+
+	auto cpl = write_dcp_with_single_asset (dir, subs_reel);
+
+	check_verify_result (
+		{ dir },
+		{
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISMATCHED_TIMED_TEXT_DURATION , "240 0", boost::filesystem::canonical(subs_mxf) },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISMATCHED_TIMED_TEXT_RESOURCE_ID },
+			{ dcp::VerificationNote::Type::WARNING, dcp::VerificationNote::Code::INVALID_SUBTITLE_FIRST_TEXT_TIME },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_METADATA, cpl->id(), cpl->file().get() }
+		});
+}
+
+
+/** Check that ResourceID and the MXF ID being the same is spotted */
+BOOST_AUTO_TEST_CASE (verify_incorrect_timed_text_id)
+{
+	boost::filesystem::path const dir = "build/test/verify_incorrect_timed_text_id";
+	prepare_directory (dir);
+
+	ASDCP::WriterInfo writer_info;
+	writer_info.LabelSetType = ASDCP::LS_MXF_SMPTE;
+
+	unsigned int c;
+	auto mxf_id = dcp::make_uuid ();
+	Kumu::hex2bin (mxf_id.c_str(), writer_info.AssetUUID, Kumu::UUID_Length, &c);
+	BOOST_REQUIRE (c == Kumu::UUID_Length);
+
+	auto resource_id = mxf_id;
+	ASDCP::TimedText::TimedTextDescriptor descriptor;
+	Kumu::hex2bin (resource_id.c_str(), descriptor.AssetID, Kumu::UUID_Length, &c);
+	DCP_ASSERT (c == Kumu::UUID_Length);
+
+	auto xml_id = resource_id;
+	ASDCP::TimedText::MXFWriter writer;
+	auto subs_mxf = dir / "subs.mxf";
+	auto r = writer.OpenWrite(subs_mxf.c_str(), writer_info, descriptor, 4096);
+	BOOST_REQUIRE (ASDCP_SUCCESS(r));
+	writer.WriteTimedTextResource (dcp::String::compose(
+		"<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
+		"<SubtitleReel xmlns=\"http://www.smpte-ra.org/schemas/428-7/2010/DCST\" xmlns:xs=\"http://www.w3.org/2001/schema\">"
+		"<Id>urn:uuid:%1</Id>"
+		"<ContentTitleText>Content</ContentTitleText>"
+		"<AnnotationText>Annotation</AnnotationText>"
+		"<IssueDate>2018-10-02T12:25:14+02:00</IssueDate>"
+		"<ReelNumber>1</ReelNumber>"
+		"<Language>en-US</Language>"
+		"<EditRate>25 1</EditRate>"
+		"<TimeCodeRate>25</TimeCodeRate>"
+		"<StartTime>00:00:00:00</StartTime>"
+		"<SubtitleList>"
+		"<Font ID=\"arial\" Color=\"FFFEFEFE\" Weight=\"normal\" Size=\"42\" Effect=\"border\" EffectColor=\"FF181818\" AspectAdjust=\"1.00\">"
+		"<Subtitle SpotNumber=\"1\" TimeIn=\"00:00:03:00\" TimeOut=\"00:00:04:10\" FadeUpTime=\"00:00:00:00\" FadeDownTime=\"00:00:00:00\">"
+		"<Text Hposition=\"0.0\" Halign=\"center\" Valign=\"bottom\" Vposition=\"13.5\" Direction=\"ltr\">Hello world</Text>"
+		"</Subtitle>"
+		"</Font>"
+		"</SubtitleList>"
+		"</SubtitleReel>",
+		xml_id).c_str());
+
+	writer.Finalize();
+
+	auto subs_asset = make_shared<dcp::SMPTESubtitleAsset>(subs_mxf);
+	auto subs_reel = make_shared<dcp::ReelSubtitleAsset>(subs_asset, dcp::Fraction(24, 1), 240, 0);
+
+	auto cpl = write_dcp_with_single_asset (dir, subs_reel);
+
+	check_verify_result (
+		{ dir },
+		{
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISMATCHED_TIMED_TEXT_DURATION , "240 0", boost::filesystem::canonical(subs_mxf) },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::INCORRECT_TIMED_TEXT_ASSET_ID },
+			{ dcp::VerificationNote::Type::WARNING, dcp::VerificationNote::Code::INVALID_SUBTITLE_FIRST_TEXT_TIME },
+			{ dcp::VerificationNote::Type::BV21_ERROR, dcp::VerificationNote::Code::MISSING_CPL_METADATA, cpl->id(), cpl->file().get() }
+		});
+}