Use a foreach.

[dcpomatic.git] / test / file_group_test.cc

diff --git a/test/file_group_test.cc b/test/file_group_test.cc
index cfcaacfc261f75159a89466a70aee4203a9e1725..05127828cb722c39e32834a45ecb30632e6c437b 100644 (file)
--- a/test/file_group_test.cc
+++ b/test/file_group_test.cc
@@ -92,8 +92,15 @@ BOOST_AUTO_TEST_CASE (file_group_test)
        BOOST_CHECK_EQUAL (fg.read (test, total_length * 3), total_length - pos);
        BOOST_CHECK_EQUAL (memcmp (data + pos, test, total_length - pos), 0);
 
-       /* Bad seek */
-       BOOST_CHECK_EQUAL (fg.seek (total_length * 2, SEEK_SET), -1);
+       /* Seeking off the end of the file should not give an error */
+       BOOST_CHECK_EQUAL (fg.seek (total_length * 2, SEEK_SET), total_length * 2);
+       /* and attempting to read should return nothing */
+       BOOST_CHECK_EQUAL (fg.read (test, 64), 0);
+       /* but the requested seek should be remembered, so if we now go back (relatively) */
+       BOOST_CHECK_EQUAL (fg.seek (-total_length * 2, SEEK_CUR), 0);
+       /* we should be at the start again */
+       BOOST_CHECK_EQUAL (fg.read (test, 64), 64);
+       BOOST_CHECK_EQUAL (memcmp (data, test, 64), 0);
 
        /* SEEK_SET */
        BOOST_CHECK_EQUAL (fg.seek (999, SEEK_SET), 999);