diff options
Diffstat (limited to 'tests/GifTest.cpp')
| -rw-r--r-- | tests/GifTest.cpp | 42 |
1 files changed, 38 insertions, 4 deletions
diff --git a/tests/GifTest.cpp b/tests/GifTest.cpp index 17dce92186..12bfb5348f 100644 --- a/tests/GifTest.cpp +++ b/tests/GifTest.cpp @@ -26,9 +26,18 @@ static unsigned char gGIFData[] = { }; static unsigned char gGIFDataNoColormap[] = { - 0x47, 0x49, 0x46, 0x38, 0x39, 0x61, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, - 0x21, 0xf9, 0x04, 0x01, 0x0a, 0x00, 0x01, 0x00, 0x2c, 0x00, 0x00, 0x00, 0x00, - 0x01, 0x00, 0x01, 0x00, 0x00, 0x02, 0x02, 0x4c, 0x01, 0x00, 0x3b + // Header + 0x47, 0x49, 0x46, 0x38, 0x39, 0x61, + // Screen descriptor + 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, + // Graphics control extension + 0x21, 0xf9, 0x04, 0x01, 0x0a, 0x00, 0x01, 0x00, + // Image descriptor + 0x2c, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, + // Image data + 0x02, 0x02, 0x4c, 0x01, 0x00, + // Trailer + 0x3b }; static unsigned char gInterlacedGIF[] = { @@ -177,7 +186,32 @@ DEF_TEST(Gif, reporter) { test_gif_data_no_colormap(reporter, static_cast<void *>(gGIFDataNoColormap), sizeof(gGIFDataNoColormap)); - // "libgif warning [missing colormap]" + + // Since there is no color map, we do not even need to parse the image data + // to know that we should draw transparent. Truncate the file before the + // data. This should still succeed. + test_gif_data_no_colormap(reporter, static_cast<void *>(gGIFDataNoColormap), 31); + + // Likewise, incremental decoding should succeed here. + { + sk_sp<SkData> data = SkData::MakeWithoutCopy(gGIFDataNoColormap, 31); + std::unique_ptr<SkCodec> codec(SkCodec::NewFromData(data)); + REPORTER_ASSERT(reporter, codec); + if (codec) { + auto info = codec->getInfo().makeColorType(kN32_SkColorType); + SkBitmap bm; + bm.allocPixels(info); + REPORTER_ASSERT(reporter, SkCodec::kSuccess == codec->startIncrementalDecode( + info, bm.getPixels(), bm.rowBytes())); + REPORTER_ASSERT(reporter, SkCodec::kSuccess == codec->incrementalDecode()); + REPORTER_ASSERT(reporter, bm.width() == 1); + REPORTER_ASSERT(reporter, bm.height() == 1); + REPORTER_ASSERT(reporter, !(bm.empty())); + if (!(bm.empty())) { + REPORTER_ASSERT(reporter, bm.getColor(0, 0) == 0x00000000); + } + } + } // test short Gif. 80 is missing a few bytes. test_gif_data_short(reporter, static_cast<void *>(gGIFData), 80); |