Change the word 'disagree' to 'differ'.
[libdcp.git] / test / verify_test.cc
index 0b32c8d5b24a8485c6137884c7cccba6e5a923e4..24d583b6d7c633ded7d9e238bdd45ff14806657c 100644 (file)
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2018 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2018-2020 Carl Hetherington <cth@carlh.net>
 
     This file is part of libdcp.
 
 
 #include "verify.h"
 #include "util.h"
+#include "j2k.h"
+#include "reel.h"
+#include "reel_mono_picture_asset.h"
+#include "reel_sound_asset.h"
+#include "cpl.h"
+#include "dcp.h"
+#include "openjpeg_image.h"
+#include "mono_picture_asset.h"
+#include "stereo_picture_asset.h"
+#include "mono_picture_asset_writer.h"
+#include "interop_subtitle_asset.h"
+#include "smpte_subtitle_asset.h"
+#include "reel_closed_caption_asset.h"
+#include "reel_stereo_picture_asset.h"
+#include "reel_subtitle_asset.h"
+#include "compose.hpp"
+#include "test.h"
 #include <boost/test/unit_test.hpp>
+#include <boost/foreach.hpp>
+#include <boost/algorithm/string.hpp>
 #include <cstdio>
 #include <iostream>
 
@@ -43,6 +62,8 @@ using std::string;
 using std::vector;
 using std::make_pair;
 using boost::optional;
+using std::shared_ptr;
+
 
 static list<pair<string, optional<boost::filesystem::path> > > stages;
 
@@ -58,22 +79,80 @@ progress (float)
 
 }
 
-BOOST_AUTO_TEST_CASE (verify_test1)
+static void
+prepare_directory (boost::filesystem::path path)
 {
-       boost::filesystem::remove_all ("build/test/verify_test1");
-       boost::filesystem::create_directory ("build/test/verify_test1");
-       for (boost::filesystem::directory_iterator i("test/ref/DCP/dcp_test1"); i != boost::filesystem::directory_iterator(); ++i) {
-               boost::filesystem::copy_file (i->path(), "build/test/verify_test1" / i->path().filename());
-       }
+       using namespace boost::filesystem;
+       remove_all (path);
+       create_directories (path);
+}
+
 
-       /* Check DCP as-is (should be OK) */
+static vector<boost::filesystem::path>
+setup (int reference_number, int verify_test_number)
+{
+       prepare_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());
+       }
 
        vector<boost::filesystem::path> directories;
-       directories.push_back ("build/test/verify_test1");
-       list<dcp::VerificationNote> notes = dcp::verify (directories, &stage, &progress);
+       directories.push_back (dcp::String::compose("build/test/verify_test%1", verify_test_number));
+       return directories;
+
+}
+
+
+/** Class that can alter a file by searching and replacing strings within it.
+ *  On destruction modifies the file whose name was given to the constructor.
+ */
+class Editor
+{
+public:
+       Editor (boost::filesystem::path path)
+               : _path(path)
+       {
+               _content = dcp::file_to_string (_path);
+       }
+
+       ~Editor ()
+       {
+               FILE* f = fopen(_path.string().c_str(), "w");
+               BOOST_REQUIRE (f);
+               fwrite (_content.c_str(), _content.length(), 1, f);
+               fclose (f);
+       }
+
+       void replace (string a, string b)
+       {
+               boost::algorithm::replace_all (_content, a, b);
+       }
+
+private:
+       boost::filesystem::path _path;
+       std::string _content;
+};
+
+
+static
+void
+dump_notes (list<dcp::VerificationNote> const & notes)
+{
+       BOOST_FOREACH (dcp::VerificationNote i, notes) {
+               std::cout << dcp::note_to_string(i) << "\n";
+       }
+}
+
+/* Check DCP as-is (should be OK) */
+BOOST_AUTO_TEST_CASE (verify_test1)
+{
+       stages.clear ();
+       vector<boost::filesystem::path> directories = setup (1, 1);
+       list<dcp::VerificationNote> notes = dcp::verify (directories, &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_74e205d0-d145-42d2-8c49-7b55d058ca55.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";
 
        list<pair<string, optional<boost::filesystem::path> > >::const_iterator st = stages.begin();
        BOOST_CHECK_EQUAL (st->first, "Checking DCP");
@@ -91,62 +170,1168 @@ BOOST_AUTO_TEST_CASE (verify_test1)
        BOOST_REQUIRE (st->second);
        BOOST_CHECK_EQUAL (st->second.get(), boost::filesystem::canonical("build/test/verify_test1/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"));
+       ++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"));
        ++st;
+       BOOST_CHECK_EQUAL (st->first, "Checking sound asset metadata");
+       BOOST_REQUIRE (st->second);
+       BOOST_CHECK_EQUAL (st->second.get(), boost::filesystem::canonical("build/test/verify_test1/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));
+       ++st;
+       BOOST_CHECK_EQUAL (st->first, "Checking ASSETMAP");
+       BOOST_REQUIRE (st->second);
+       BOOST_CHECK_EQUAL (st->second.get(), boost::filesystem::canonical(assetmap_file));
+       ++st;
        BOOST_REQUIRE (st == stages.end());
 
        BOOST_CHECK_EQUAL (notes.size(), 0);
+}
 
-       /* Corrupt the MXFs and check that this is spotted */
+/* Corrupt the MXFs and check that this is spotted */
+BOOST_AUTO_TEST_CASE (verify_test2)
+{
+       vector<boost::filesystem::path> directories = setup (1, 2);
 
-       FILE* mod = fopen("build/test/verify_test1/video.mxf", "r+b");
+       FILE* mod = fopen("build/test/verify_test2/video.mxf", "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_test1/audio.mxf", "r+b");
+       mod = fopen("build/test/verify_test2/audio.mxf", "r+b");
        BOOST_REQUIRE (mod);
-       fseek (mod, 4096, SEEK_SET);
+       BOOST_REQUIRE_EQUAL (fseek(mod, -64, SEEK_END), 0);
        BOOST_REQUIRE (fwrite (&x, sizeof(x), 1, mod) == 1);
        fclose (mod);
 
-       notes = dcp::verify (directories, &stage, &progress);
-       BOOST_CHECK_EQUAL (notes.size(), 2);
+       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().note(), "Picture asset hash is incorrect.");
+       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().note(), "Sound asset hash is incorrect.");
-
-       /* Corrupt the hashes in the PKL and check that the disagreement between CPL and PKL is spotted */
-       string const pkl = dcp::file_to_string (pkl_file);
-       string hacked_pkl = "";
-       for (size_t i = 0; i < pkl.length(); ++i) {
-               if (pkl.substr(i, 6) == "<Hash>") {
-                       hacked_pkl += "<Hash>x";
-                       i += 6;
-               } else {
-                       hacked_pkl += pkl[i];
-               }
+       BOOST_CHECK_EQUAL (notes.back().code(), dcp::VerificationNote::SOUND_HASH_INCORRECT);
+}
+
+/* Corrupt the hashes in the PKL and check that the disagreement between CPL and PKL is spotted */
+BOOST_AUTO_TEST_CASE (verify_test3)
+{
+       vector<boost::filesystem::path> directories = setup (1, 3);
+
+       {
+               Editor e ("build/test/verify_test3/pkl_cd49971e-bf4c-4594-8474-54ebef09a40c.xml");
+               e.replace ("<Hash>", "<Hash>x");
        }
 
-       FILE* f = fopen(pkl_file.string().c_str(), "w");
-       fwrite(hacked_pkl.c_str(), hacked_pkl.length(), 1, f);
-       fclose(f);
+       list<dcp::VerificationNote> notes = dcp::verify (directories, &stage, &progress, xsd_test);
 
-       notes = dcp::verify (directories, &stage, &progress);
-       BOOST_CHECK_EQUAL (notes.size(), 3);
+       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->note(), "CPL hash is incorrect.");
+       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_DIFFER);
+       ++i;
+       BOOST_CHECK_EQUAL (i->type(), dcp::VerificationNote::VERIFY_ERROR);
+       BOOST_CHECK_EQUAL (i->code(), dcp::VerificationNote::PKL_CPL_SOUND_HASHES_DIFFER);
        ++i;
        BOOST_CHECK_EQUAL (i->type(), dcp::VerificationNote::VERIFY_ERROR);
-       BOOST_CHECK_EQUAL (i->note(), "PKL and CPL hashes differ for picture asset.");
+       BOOST_CHECK_EQUAL (i->code(), dcp::VerificationNote::XML_VALIDATION_ERROR);
        ++i;
        BOOST_CHECK_EQUAL (i->type(), dcp::VerificationNote::VERIFY_ERROR);
-       BOOST_CHECK_EQUAL (i->note(), "PKL and CPL hashes differ for sound asset.");
+       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;
+}
+
+/* Corrupt the ContentKind in the CPL */
+BOOST_AUTO_TEST_CASE (verify_test4)
+{
+       vector<boost::filesystem::path> directories = setup (1, 4);
+
+       {
+               Editor e ("build/test/verify_test4/cpl_81fb54df-e1bf-4647-8788-ea7ba154375b.xml");
+               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'");
+}
+
+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)
+{
+       return dcp::String::compose("build/test/verify_test%1/pkl_cd49971e-bf4c-4594-8474-54ebef09a40c.xml", n);
+}
+
+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)
+{
+       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);
+}
+
+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
+       )
+{
+       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);
+}
+
+/* FrameRate */
+BOOST_AUTO_TEST_CASE (verify_test5)
+{
+       check_after_replace (
+                       5, &cpl,
+                       "<FrameRate>24 1", "<FrameRate>99 1",
+                       dcp::VerificationNote::CPL_HASH_INCORRECT,
+                       dcp::VerificationNote::INVALID_PICTURE_FRAME_RATE
+                       );
+}
+
+/* Missing asset */
+BOOST_AUTO_TEST_CASE (verify_test6)
+{
+       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);
+}
+
+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)
+{
+       check_after_replace (
+                       7, &assetmap,
+                       "<Path>video.mxf</Path>", "<Path></Path>",
+                       dcp::VerificationNote::EMPTY_ASSET_PATH
+                       );
+}
+
+/* Mismatched standard */
+BOOST_AUTO_TEST_CASE (verify_test8)
+{
+       check_after_replace (
+                       8, &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
+                       );
+}
+
+/* Badly formatted <Id> in CPL */
+BOOST_AUTO_TEST_CASE (verify_test9)
+{
+       /* 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,
+                       "<Id>urn:uuid:81fb54df-e1bf-4647-8788-ea7ba154375b", "<Id>urn:uuid:81fb54df-e1bf-4647-8788-ea7ba154375",
+                       dcp::VerificationNote::XML_VALIDATION_ERROR
+                       );
+}
+
+/* Badly formatted <IssueDate> in CPL */
+BOOST_AUTO_TEST_CASE (verify_test10)
+{
+       check_after_replace (
+                       10, &cpl,
+                       "<IssueDate>", "<IssueDate>x",
+                       dcp::VerificationNote::XML_VALIDATION_ERROR,
+                       dcp::VerificationNote::CPL_HASH_INCORRECT
+                       );
+}
+
+/* Badly-formatted <Id> in PKL */
+BOOST_AUTO_TEST_CASE (verify_test11)
+{
+       check_after_replace (
+               11, &pkl,
+               "<Id>urn:uuid:cd4", "<Id>urn:uuid:xd4",
+               dcp::VerificationNote::XML_VALIDATION_ERROR
+               );
+}
+
+/* Badly-formatted <Id> in ASSETMAP */
+BOOST_AUTO_TEST_CASE (verify_test12)
+{
+       check_after_replace (
+               12, &asset_map,
+               "<Id>urn:uuid:63c", "<Id>urn:uuid:x3c",
+               dcp::VerificationNote::XML_VALIDATION_ERROR
+               );
+}
+
+/* Basic test of an Interop DCP */
+BOOST_AUTO_TEST_CASE (verify_test13)
+{
+       stages.clear ();
+       vector<boost::filesystem::path> directories = setup (3, 13);
+       list<dcp::VerificationNote> notes = dcp::verify (directories, &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";
+
+       list<pair<string, optional<boost::filesystem::path> > >::const_iterator 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"));
+       ++st;
+       BOOST_CHECK_EQUAL (st->first, "Checking CPL");
+       BOOST_REQUIRE (st->second);
+       BOOST_CHECK_EQUAL (st->second.get(), boost::filesystem::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"));
+       ++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"));
+       ++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"));
+       ++st;
+       BOOST_CHECK_EQUAL (st->first, "Checking sound asset metadata");
+       BOOST_REQUIRE (st->second);
+       BOOST_CHECK_EQUAL (st->second.get(), boost::filesystem::canonical("build/test/verify_test13/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));
+       ++st;
+       BOOST_CHECK_EQUAL (st->first, "Checking ASSETMAP");
+       BOOST_REQUIRE (st->second);
+       BOOST_CHECK_EQUAL (st->second.get(), boost::filesystem::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);
+}
+
+/* DCP with a short asset */
+BOOST_AUTO_TEST_CASE (verify_test14)
+{
+       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;
+}
+
+
+static
+void
+dcp_from_frame (dcp::ArrayData const& frame, boost::filesystem::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);
+       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);
+}
+
+
+/* DCP with an over-sized JPEG2000 frame */
+BOOST_AUTO_TEST_CASE (verify_test15)
+{
+       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);
+       BOOST_REQUIRE (frame.size() < too_big);
+
+       /* Place it in a bigger block with some zero padding at the end */
+       dcp::ArrayData oversized_frame(too_big);
+       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_IN_BYTES);
+}
+
+
+/* DCP with a nearly over-sized JPEG2000 frame */
+BOOST_AUTO_TEST_CASE (verify_test16)
+{
+       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);
+       BOOST_REQUIRE (frame.size() < nearly_too_big);
+
+       /* Place it in a bigger block with some zero padding at the end */
+       dcp::ArrayData oversized_frame(nearly_too_big);
+       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_IN_BYTES);
+}
+
+
+/* DCP with a within-range JPEG2000 frame */
+BOOST_AUTO_TEST_CASE (verify_test17)
+{
+       /* Compress a black image */
+       shared_ptr<dcp::OpenJPEGImage> image = black_image ();
+       dcp::ArrayData 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);
+
+       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);
+}
+
+
+/* DCP with valid Interop subtitles */
+BOOST_AUTO_TEST_CASE (verify_test18)
+{
+       boost::filesystem::path const dir("build/test/verify_test18");
+       prepare_directory (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);
+}
+
+
+/* DCP with broken Interop subtitles */
+BOOST_AUTO_TEST_CASE (verify_test19)
+{
+       boost::filesystem::path const dir("build/test/verify_test19");
+       prepare_directory (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);
+
+       {
+               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;
+}
+
+
+/* DCP with valid SMPTE subtitles */
+BOOST_AUTO_TEST_CASE (verify_test20)
+{
+       boost::filesystem::path const dir("build/test/verify_test20");
+       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));
+       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);
+       dump_notes (notes);
+       BOOST_REQUIRE_EQUAL (notes.size(), 0);
+}
+
+
+/* DCP with broken SMPTE subtitles */
+BOOST_AUTO_TEST_CASE (verify_test21)
+{
+       boost::filesystem::path const dir("build/test/verify_test21");
+       prepare_directory (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);
+}
+
+
+/* VF */
+BOOST_AUTO_TEST_CASE (verify_test22)
+{
+       boost::filesystem::path const ov_dir("build/test/verify_test22_ov");
+       prepare_directory (ov_dir);
+
+       shared_ptr<dcp::OpenJPEGImage> image = black_image ();
+       dcp::ArrayData 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");
+       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);
+
+       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);
+}
+
+
+/* DCP with valid CompositionMetadataAsset */
+BOOST_AUTO_TEST_CASE (verify_test23)
+{
+       boost::filesystem::path const dir("build/test/verify_test23");
+       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));
+       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));
+
+       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);
+}
+
+
+boost::filesystem::path find_cpl (boost::filesystem::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();
+               }
+       }
+
+       BOOST_REQUIRE (false);
+       return boost::filesystem::path();
+}
+
+
+/* DCP with invalid CompositionMetadataAsset */
+BOOST_AUTO_TEST_CASE (verify_test24)
+{
+       boost::filesystem::path const dir("build/test/verify_test24");
+       prepare_directory (dir);
+
+       shared_ptr<dcp::Reel> reel(new dcp::Reel());
+       reel->add (black_picture_asset(dir));
+       shared_ptr<dcp::CPL> cpl(new dcp::CPL("hello", dcp::FEATURE));
+       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));
+
+       dcp::DCP dcp (dir);
+       dcp.add (cpl);
+       dcp.write_xml (dcp::SMPTE);
+
+       {
+               Editor e (find_cpl("build/test/verify_test24"));
+               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;
+}
+
+
+/* DCP with invalid CompositionMetadataAsset */
+BOOST_AUTO_TEST_CASE (verify_test25)
+{
+       boost::filesystem::path const dir("build/test/verify_test25");
+       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));
+       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));
+
+       dcp::DCP dcp (dir);
+       dcp.add (cpl);
+       dcp.write_xml (dcp::SMPTE);
+
+       {
+               Editor e (find_cpl("build/test/verify_test25"));
+               e.replace ("</MainPictureActiveArea>", "</MainPictureActiveArea><BadTag></BadTag>");
+       }
+
+       vector<boost::filesystem::path> dirs;
+       dirs.push_back (dir);
+       list<dcp::VerificationNote> notes = dcp::verify (dirs, &stage, &progress, xsd_test);
+}
+
+
+/* SMPTE DCP with invalid <Language> in the MainSubtitle reel and also in the XML within the MXF */
+BOOST_AUTO_TEST_CASE (verify_test26)
+{
+       boost::filesystem::path const dir("build/test/verify_test26");
+       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"));
+       asset->_language = "wrong-andbad";
+       asset->write (dir / "subs.mxf");
+       shared_ptr<dcp::ReelSubtitleAsset> reel_asset(new dcp::ReelSubtitleAsset(asset, dcp::Fraction(24, 1), 16 * 24, 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));
+       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(), 2U);
+       list<dcp::VerificationNote>::const_iterator i = notes.begin ();
+       BOOST_CHECK_EQUAL (i->code(), dcp::VerificationNote::BAD_LANGUAGE);
+       BOOST_REQUIRE (i->note());
+       BOOST_CHECK_EQUAL (*i->note(), "badlang");
+       i++;
+       BOOST_CHECK_EQUAL (i->code(), dcp::VerificationNote::BAD_LANGUAGE);
+       BOOST_REQUIRE (i->note());
+       BOOST_CHECK_EQUAL (*i->note(), "wrong-andbad");
+}
+
+
+/* SMPTE DCP with invalid <Language> in the MainClosedCaption reel and also in the XML within the MXF */
+BOOST_AUTO_TEST_CASE (verify_invalid_closed_caption_languages)
+{
+       boost::filesystem::path const dir("build/test/verify_invalid_closed_caption_languages");
+       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"));
+       asset->_language = "wrong-andbad";
+       asset->write (dir / "subs.mxf");
+       shared_ptr<dcp::ReelClosedCaptionAsset> reel_asset(new dcp::ReelClosedCaptionAsset(asset, dcp::Fraction(24, 1), 16 * 24, 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));
+       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(), 2U);
+       list<dcp::VerificationNote>::const_iterator i = notes.begin ();
+       BOOST_CHECK_EQUAL (i->code(), dcp::VerificationNote::BAD_LANGUAGE);
+       BOOST_REQUIRE (i->note());
+       BOOST_CHECK_EQUAL (*i->note(), "badlang");
+       i++;
+       BOOST_CHECK_EQUAL (i->code(), dcp::VerificationNote::BAD_LANGUAGE);
+       BOOST_REQUIRE (i->note());
+       BOOST_CHECK_EQUAL (*i->note(), "wrong-andbad");
+}
+
+
+/* SMPTE DCP with invalid <Language> in the MainSound reel, the CPL additional subtitles languages and
+ * the release territory.
+ */
+BOOST_AUTO_TEST_CASE (verify_various_invalid_languages)
+{
+       boost::filesystem::path const dir("build/test/verify_various_invalid_languages");
+       prepare_directory (dir);
+
+       shared_ptr<dcp::MonoPictureAsset> picture = simple_picture (dir, "foo");
+       shared_ptr<dcp::ReelPictureAsset> reel_picture(new dcp::ReelMonoPictureAsset(picture, 0));
+       shared_ptr<dcp::Reel> reel(new dcp::Reel());
+       reel->add (reel_picture);
+       shared_ptr<dcp::SoundAsset> sound = simple_sound (dir, "foo", dcp::MXFMetadata(), "frobozz");
+       shared_ptr<dcp::ReelSoundAsset> reel_sound(new dcp::ReelSoundAsset(sound, 0));
+       reel->add (reel_sound);
+       shared_ptr<dcp::CPL> cpl(new dcp::CPL("hello", dcp::FEATURE));
+       cpl->add (reel);
+       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->_release_territory = "fred-jim";
+       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(), 4U);
+       list<dcp::VerificationNote>::const_iterator i = notes.begin ();
+       BOOST_CHECK_EQUAL (i->code(), dcp::VerificationNote::BAD_LANGUAGE);
+       BOOST_REQUIRE (i->note());
+       BOOST_CHECK_EQUAL (*i->note(), "this-is-wrong");
+       ++i;
+       BOOST_CHECK_EQUAL (i->code(), dcp::VerificationNote::BAD_LANGUAGE);
+       BOOST_REQUIRE (i->note());
+       BOOST_CHECK_EQUAL (*i->note(), "andso-is-this");
+       ++i;
+       BOOST_CHECK_EQUAL (i->code(), dcp::VerificationNote::BAD_LANGUAGE);
+       BOOST_REQUIRE (i->note());
+       BOOST_CHECK_EQUAL (*i->note(), "fred-jim");
+       ++i;
+       BOOST_CHECK_EQUAL (i->code(), dcp::VerificationNote::BAD_LANGUAGE);
+       BOOST_REQUIRE (i->note());
+       BOOST_CHECK_EQUAL (*i->note(), "frobozz");
+       ++i;
+}
+
+
+static
+list<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";
+       remove_all (dcp_path);
+       create_directories (dcp_path);
+
+       shared_ptr<dcp::PictureAsset> mp;
+       if (three_d) {
+               mp.reset (new dcp::StereoPictureAsset(dcp::Fraction(frame_rate, 1), dcp::SMPTE));
+       } else {
+               mp.reset (new dcp::MonoPictureAsset(dcp::Fraction(frame_rate, 1), dcp::SMPTE));
+       }
+       shared_ptr<dcp::PictureAssetWriter> picture_writer = mp->start_write (dcp_path / "video.mxf", false);
+
+       shared_ptr<dcp::OpenJPEGImage> image = black_image (dcp::Size(width, height));
+       dcp::ArrayData 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 ();
+
+       shared_ptr<dcp::DCP> d (new dcp::DCP(dcp_path));
+       shared_ptr<dcp::CPL> cpl (new dcp::CPL("A Test DCP", dcp::FEATURE));
+       cpl->set_annotation_text ("A Test DCP");
+       cpl->set_issue_date ("2012-07-17T04:45:18+00:00");
+
+       shared_ptr<dcp::Reel> reel(new dcp::Reel());
+
+       if (three_d) {
+               reel->add (
+                       shared_ptr<dcp::ReelPictureAsset>(
+                               new dcp::ReelStereoPictureAsset(
+                                       std::dynamic_pointer_cast<dcp::StereoPictureAsset>(mp),
+                                       0)
+                               )
+                       );
+       } else {
+               reel->add (
+                       shared_ptr<dcp::ReelPictureAsset>(
+                               new dcp::ReelMonoPictureAsset(
+                                       std::dynamic_pointer_cast<dcp::MonoPictureAsset>(mp),
+                                       0)
+                               )
+                       );
+       }
+
+       cpl->add (reel);
+
+       d->add (cpl);
+       d->write_xml (dcp::SMPTE);
+
+       vector<boost::filesystem::path> dirs;
+       dirs.push_back (dcp_path);
+       return dcp::verify (dirs, &stage, &progress, xsd_test);
+}
+
+
+static
+void
+check_picture_size_ok (int width, int height, int frame_rate, bool three_d)
+{
+       list<dcp::VerificationNote> notes = check_picture_size(width, height, frame_rate, three_d);
+       dump_notes (notes);
+       BOOST_CHECK_EQUAL (notes.size(), 0U);
+}
+
+
+static
+void
+check_picture_size_bad_frame_size (int width, int height, int frame_rate, bool three_d)
+{
+       list<dcp::VerificationNote> notes = check_picture_size(width, height, frame_rate, three_d);
+       BOOST_REQUIRE_EQUAL (notes.size(), 1U);
+       BOOST_CHECK_EQUAL (notes.front().type(), dcp::VerificationNote::VERIFY_BV21_ERROR);
+       BOOST_CHECK_EQUAL (notes.front().code(), dcp::VerificationNote::PICTURE_ASSET_INVALID_SIZE_IN_PIXELS);
+}
+
+
+static
+void
+check_picture_size_bad_2k_frame_rate (int width, int height, int frame_rate, bool three_d)
+{
+       list<dcp::VerificationNote> notes = check_picture_size(width, height, frame_rate, three_d);
+       BOOST_REQUIRE_EQUAL (notes.size(), 2U);
+       BOOST_CHECK_EQUAL (notes.back().type(), dcp::VerificationNote::VERIFY_BV21_ERROR);
+       BOOST_CHECK_EQUAL (notes.back().code(), dcp::VerificationNote::PICTURE_ASSET_INVALID_FRAME_RATE_FOR_2K);
+}
+
+
+static
+void
+check_picture_size_bad_4k_frame_rate (int width, int height, int frame_rate, bool three_d)
+{
+       list<dcp::VerificationNote> notes = check_picture_size(width, height, frame_rate, three_d);
+       BOOST_REQUIRE_EQUAL (notes.size(), 1U);
+       BOOST_CHECK_EQUAL (notes.front().type(), dcp::VerificationNote::VERIFY_BV21_ERROR);
+       BOOST_CHECK_EQUAL (notes.front().code(), dcp::VerificationNote::PICTURE_ASSET_INVALID_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, 3000, 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 */
+       list<dcp::VerificationNote> notes = check_picture_size(3996, 2160, 24, true);
+       BOOST_REQUIRE_EQUAL (notes.size(), 1U);
+       BOOST_CHECK_EQUAL (notes.front().type(), dcp::VerificationNote::VERIFY_BV21_ERROR);
+       BOOST_CHECK_EQUAL (notes.front().code(), dcp::VerificationNote::PICTURE_ASSET_4K_3D);
+}
+
+
+BOOST_AUTO_TEST_CASE (verify_closed_caption_xml_too_large)
+{
+       boost::filesystem::path const dir("build/test/verify_closed_caption_xml_too_large");
+       prepare_directory (dir);
+
+       shared_ptr<dcp::SMPTESubtitleAsset> asset(new dcp::SMPTESubtitleAsset());
+       for (int i = 0; i < 2048; ++i) {
+               asset->add (
+                       shared_ptr<dcp::Subtitle>(
+                               new dcp::SubtitleString(
+                                       optional<string>(),
+                                       false,
+                                       false,
+                                       false,
+                                       dcp::Colour(),
+                                       42,
+                                       1,
+                                       dcp::Time(i * 24, 24, 24),
+                                       dcp::Time(i * 24 + 20, 24, 24),
+                                       0,
+                                       dcp::HALIGN_CENTER,
+                                       0,
+                                       dcp::VALIGN_CENTER,
+                                       dcp::DIRECTION_LTR,
+                                       "Hello",
+                                       dcp::NONE,
+                                       dcp::Colour(),
+                                       dcp::Time(),
+                                       dcp::Time()
+                                       )
+                               )
+                       );
+       }
+       asset->set_language (dcp::LanguageTag("de-DE"));
+       asset->write (dir / "subs.mxf");
+       shared_ptr<dcp::ReelClosedCaptionAsset> reel_asset(new dcp::ReelClosedCaptionAsset(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(), 1U);
+       BOOST_CHECK_EQUAL (notes.front().type(), dcp::VerificationNote::VERIFY_BV21_ERROR);
+       BOOST_CHECK_EQUAL (notes.front().code(), dcp::VerificationNote::CLOSED_CAPTION_XML_TOO_LARGE_IN_BYTES);
+}
+
+
+static
+shared_ptr<dcp::SMPTESubtitleAsset>
+make_large_subtitle_asset (boost::filesystem::path font_file)
+{
+       shared_ptr<dcp::SMPTESubtitleAsset> asset(new 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)
+{
+       boost::filesystem::path const dir = boost::filesystem::path("build/test") / name;
+       prepare_directory (dir);
+       shared_ptr<dcp::SMPTESubtitleAsset> asset = make_large_subtitle_asset (dir / "font.ttf");
+       asset->add (
+               shared_ptr<dcp::Subtitle>(
+                       new dcp::SubtitleString(
+                               optional<string>(),
+                               false,
+                               false,
+                               false,
+                               dcp::Colour(),
+                               42,
+                               1,
+                               dcp::Time(0, 24, 24),
+                               dcp::Time(20, 24, 24),
+                               0,
+                               dcp::HALIGN_CENTER,
+                               0,
+                               dcp::VALIGN_CENTER,
+                               dcp::DIRECTION_LTR,
+                               "Hello",
+                               dcp::NONE,
+                               dcp::Colour(),
+                               dcp::Time(),
+                               dcp::Time()
+                               )
+                       )
+               );
+       asset->set_language (dcp::LanguageTag("de-DE"));
+       asset->write (dir / "subs.mxf");
+
+       shared_ptr<T> reel_asset(new T(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(), 2U);
+       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::TIMED_TEXT_ASSET_TOO_LARGE_IN_BYTES);
        ++i;
+       BOOST_CHECK_EQUAL (i->type(), dcp::VerificationNote::VERIFY_BV21_ERROR);
+       BOOST_CHECK_EQUAL (i->code(), dcp::VerificationNote::TIMED_TEXT_FONTS_TOO_LARGE_IN_BYTES);
+}
+
+
+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_language_tag_in_subtitle_xml)
+{
+       boost::filesystem::path dir = "build/test/verify_missing_language_tag_in_subtitle_xml";
+       prepare_directory (dir);
+       shared_ptr<dcp::DCP> dcp = make_simple (dir, 1);
+
+       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>25 1</EditRate>"
+               "<TimeCodeRate>25</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>";
+
+       FILE* 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);
+       shared_ptr<dcp::SMPTESubtitleAsset> subs (new dcp::SMPTESubtitleAsset(dir / "subs.xml"));
+       subs->write (dir / "subs.mxf");
+
+       shared_ptr<dcp::ReelSubtitleAsset> reel_subs (new dcp::ReelSubtitleAsset(subs, dcp::Fraction(24, 1), 100, 0));
+       dcp->cpls().front()->reels().front()->add (reel_subs);
+       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(), 1U);
+       BOOST_CHECK_EQUAL (notes.front().type(), dcp::VerificationNote::VERIFY_BV21_ERROR);
+       BOOST_CHECK_EQUAL (notes.front().code(), dcp::VerificationNote::MISSING_SUBTITLE_LANGUAGE);
 }