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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "platform/image-decoders/png/PNGImageDecoder.h" | 5 #include "platform/image-decoders/png/PNGImageDecoder.h" |
6 | 6 |
7 #include <memory> | 7 #include <memory> |
8 #include "platform/image-decoders/ImageDecoderTestHelpers.h" | 8 #include "platform/image-decoders/ImageDecoderTestHelpers.h" |
9 #include "png.h" | 9 #include "png.h" |
10 #include "testing/gtest/include/gtest/gtest.h" | 10 #include "testing/gtest/include/gtest/gtest.h" |
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1000 for (const auto& rec : g_recs) { | 1000 for (const auto& rec : g_recs) { |
1001 auto full_data = ReadFile(rec.name); | 1001 auto full_data = ReadFile(rec.name); |
1002 ASSERT_TRUE(full_data.Get()); | 1002 ASSERT_TRUE(full_data.Get()); |
1003 | 1003 |
1004 // Create with enough data for part of the first frame. | 1004 // Create with enough data for part of the first frame. |
1005 auto decoder = CreateDecoder(); | 1005 auto decoder = CreateDecoder(); |
1006 auto data = | 1006 auto data = |
1007 SharedBuffer::Create(full_data->Data(), rec.offset_in_first_frame); | 1007 SharedBuffer::Create(full_data->Data(), rec.offset_in_first_frame); |
1008 decoder->SetData(data.Get(), false); | 1008 decoder->SetData(data.Get(), false); |
1009 | 1009 |
1010 EXPECT_FALSE(decoder->FrameIsCompleteAtIndex(0)); | 1010 EXPECT_FALSE(decoder->FrameIsReceivedAtIndex(0)); |
1011 | 1011 |
1012 // Parsing the size is not enough to mark the frame as complete. | 1012 // Parsing the size is not enough to mark the frame as complete. |
1013 EXPECT_TRUE(decoder->IsSizeAvailable()); | 1013 EXPECT_TRUE(decoder->IsSizeAvailable()); |
1014 EXPECT_FALSE(decoder->FrameIsCompleteAtIndex(0)); | 1014 EXPECT_FALSE(decoder->FrameIsReceivedAtIndex(0)); |
1015 | 1015 |
1016 const auto partial_frame_count = decoder->FrameCount(); | 1016 const auto partial_frame_count = decoder->FrameCount(); |
1017 EXPECT_EQ(1u, partial_frame_count); | 1017 EXPECT_EQ(1u, partial_frame_count); |
1018 | 1018 |
1019 // Frame is not complete, even after decoding partially. | 1019 // Frame is not complete, even after decoding partially. |
1020 EXPECT_FALSE(decoder->FrameIsCompleteAtIndex(0)); | 1020 EXPECT_FALSE(decoder->FrameIsReceivedAtIndex(0)); |
1021 auto* frame = decoder->FrameBufferAtIndex(0); | 1021 auto* frame = decoder->FrameBufferAtIndex(0); |
1022 ASSERT_TRUE(frame); | 1022 ASSERT_TRUE(frame); |
1023 EXPECT_NE(ImageFrame::kFrameComplete, frame->GetStatus()); | 1023 EXPECT_NE(ImageFrame::kFrameComplete, frame->GetStatus()); |
1024 EXPECT_FALSE(decoder->FrameIsCompleteAtIndex(0)); | 1024 EXPECT_FALSE(decoder->FrameIsReceivedAtIndex(0)); |
1025 | 1025 |
1026 decoder->SetData(full_data.Get(), true); | 1026 decoder->SetData(full_data.Get(), true); |
1027 | 1027 |
1028 // With full data, parsing the size still does not mark a frame as | 1028 // With full data, parsing the size still does not mark a frame as |
1029 // complete for animated images. | 1029 // complete for animated images. |
1030 EXPECT_TRUE(decoder->IsSizeAvailable()); | 1030 EXPECT_TRUE(decoder->IsSizeAvailable()); |
1031 if (rec.expected_frame_count > 1) | 1031 if (rec.expected_frame_count > 1) |
1032 EXPECT_FALSE(decoder->FrameIsCompleteAtIndex(0)); | 1032 EXPECT_FALSE(decoder->FrameIsReceivedAtIndex(0)); |
1033 else | 1033 else |
1034 EXPECT_TRUE(decoder->FrameIsCompleteAtIndex(0)); | 1034 EXPECT_TRUE(decoder->FrameIsReceivedAtIndex(0)); |
1035 | 1035 |
1036 const auto frame_count = decoder->FrameCount(); | 1036 const auto frame_count = decoder->FrameCount(); |
1037 ASSERT_EQ(rec.expected_frame_count, frame_count); | 1037 ASSERT_EQ(rec.expected_frame_count, frame_count); |
1038 | 1038 |
1039 // After parsing (the full file), all frames are complete. | 1039 // After parsing (the full file), all frames are complete. |
1040 for (size_t i = 0; i < frame_count; ++i) | 1040 for (size_t i = 0; i < frame_count; ++i) |
1041 EXPECT_TRUE(decoder->FrameIsCompleteAtIndex(i)); | 1041 EXPECT_TRUE(decoder->FrameIsReceivedAtIndex(i)); |
1042 | 1042 |
1043 frame = decoder->FrameBufferAtIndex(0); | 1043 frame = decoder->FrameBufferAtIndex(0); |
1044 ASSERT_TRUE(frame); | 1044 ASSERT_TRUE(frame); |
1045 EXPECT_EQ(ImageFrame::kFrameComplete, frame->GetStatus()); | 1045 EXPECT_EQ(ImageFrame::kFrameComplete, frame->GetStatus()); |
1046 EXPECT_TRUE(decoder->FrameIsCompleteAtIndex(0)); | 1046 EXPECT_TRUE(decoder->FrameIsReceivedAtIndex(0)); |
1047 } | 1047 } |
1048 } | 1048 } |
1049 | 1049 |
1050 TEST(PNGTests, sizeMayOverflow) { | 1050 TEST(PNGTests, sizeMayOverflow) { |
1051 auto decoder = | 1051 auto decoder = |
1052 CreateDecoderWithPngData("/LayoutTests/images/resources/crbug702934.png"); | 1052 CreateDecoderWithPngData("/LayoutTests/images/resources/crbug702934.png"); |
1053 EXPECT_FALSE(decoder->IsSizeAvailable()); | 1053 EXPECT_FALSE(decoder->IsSizeAvailable()); |
1054 EXPECT_TRUE(decoder->Failed()); | 1054 EXPECT_TRUE(decoder->Failed()); |
1055 } | 1055 } |
1056 | 1056 |
1057 }; // namespace blink | 1057 }; // namespace blink |
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