mkvparser_tests: Add invalid BlockGroup test.

Change-Id: I2b24859a92d2beb5558c2afa817237c1f78f644d

testing/mkvparser_tests.cc

@@ -733,6 +733,16 @@ TEST_F(ParserTest, InvalidBlockEndsBeyondCluster) {
             segment_->GetFirst()->GetNext(block_entry, block_entry));
 }
 
+TEST_F(ParserTest, InvalidBlockGroupBlockEndsBlockGroup) {
+  ASSERT_NO_FATAL_FAILURE(CreateSegmentNoHeaderChecks(
+      "invalid/blockgroup_block_ends_beyond_blockgroup.mkv"));
+  ASSERT_EQ(0, segment_->Load());
+  const mkvparser::BlockEntry* block_entry = NULL;
+  EXPECT_EQ(0, segment_->GetFirst()->GetFirst(block_entry));
+  EXPECT_EQ(mkvparser::E_FILE_FORMAT_INVALID,
+            segment_->GetFirst()->GetNext(block_entry, block_entry));
+}
+
 }  // namespace test
 
 int main(int argc, char* argv[]) {

testing/testdata/invalid/README.libwebm

@@ -5,6 +5,11 @@ block_ends_beyond_cluster.mkv -
   second reporting a size that would cause the block to end far beyond the end
   of its parent cluster.
 
+blockgroup_block_ends_beyond_blockgroup.mkv -
+  File containing a single cluster and two blockgroups. The first blockgroup is
+  valid. The second blockgroup contains a block reporting a size that spans well
+  past the block and the end of the file.
+
 chapters_truncated_chapter_string.mkv -
   File with a Chapters element that ends with a ChapterAtom whose ChapterDisplay
   element contains a truncated ChapterString.