diff options
Diffstat (limited to 'ui/base/resource/data_pack_unittest.cc')
| -rw-r--r-- | ui/base/resource/data_pack_unittest.cc | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/ui/base/resource/data_pack_unittest.cc b/ui/base/resource/data_pack_unittest.cc index 9583df1..6fcaeb3 100644 --- a/ui/base/resource/data_pack_unittest.cc +++ b/ui/base/resource/data_pack_unittest.cc @@ -92,6 +92,46 @@ TEST(DataPackTest, LoadFromFile) { ASSERT_FALSE(pack.GetStringPiece(140, &data)); } +TEST(DataPackTest, LoadFromFileRegion) { + base::ScopedTempDir dir; + ASSERT_TRUE(dir.CreateUniqueTempDir()); + base::FilePath data_path = dir.path().Append(FILE_PATH_LITERAL("sample.pak")); + + // Construct a file which has a non page-aligned zero-filled header followed + // by the actual pak file content. + const char kPadding[5678] = {0}; + ASSERT_EQ(static_cast<int>(sizeof(kPadding)), + base::WriteFile(data_path, kPadding, sizeof(kPadding))); + ASSERT_EQ(static_cast<int>(kSamplePakSize), + base::AppendToFile(data_path, kSamplePakContents, kSamplePakSize)); + + base::File file(data_path, base::File::FLAG_OPEN | base::File::FLAG_READ); + ASSERT_TRUE(file.IsValid()); + + // Load the file through the data pack API. + DataPack pack(SCALE_FACTOR_100P); + base::MemoryMappedFile::Region region(sizeof(kPadding), kSamplePakSize); + ASSERT_TRUE(pack.LoadFromFileRegion(file.Pass(), region)); + + base::StringPiece data; + ASSERT_TRUE(pack.HasResource(4)); + ASSERT_TRUE(pack.GetStringPiece(4, &data)); + EXPECT_EQ("this is id 4", data); + ASSERT_TRUE(pack.HasResource(6)); + ASSERT_TRUE(pack.GetStringPiece(6, &data)); + EXPECT_EQ("this is id 6", data); + + // Try reading zero-length data blobs, just in case. + ASSERT_TRUE(pack.GetStringPiece(1, &data)); + EXPECT_EQ(0U, data.length()); + ASSERT_TRUE(pack.GetStringPiece(10, &data)); + EXPECT_EQ(0U, data.length()); + + // Try looking up an invalid key. + ASSERT_FALSE(pack.HasResource(140)); + ASSERT_FALSE(pack.GetStringPiece(140, &data)); +} + INSTANTIATE_TEST_CASE_P(WriteBINARY, DataPackTest, ::testing::Values( DataPack::BINARY)); INSTANTIATE_TEST_CASE_P(WriteUTF8, DataPackTest, ::testing::Values( |