| // Copyright 2020 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "chrome/renderer/chrome_render_frame_observer.h" |
| |
| #include "chrome/common/chrome_render_frame.mojom.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| class ChromeRenderFrameObserverTest : public testing::Test { |
| public: |
| bool NeedsDownscale(const gfx::Size& original_image_size, |
| int32_t requested_image_min_area_pixels, |
| const gfx::Size& requested_image_max_size) { |
| return ChromeRenderFrameObserver::NeedsDownscale( |
| original_image_size, requested_image_min_area_pixels, |
| requested_image_max_size); |
| } |
| |
| bool NeedsEncodeImage(const std::string& image_extension, |
| chrome::mojom::ImageFormat image_format) { |
| return ChromeRenderFrameObserver::NeedsEncodeImage(image_extension, |
| image_format); |
| } |
| |
| bool IsAnimatedWebp(const std::vector<uint8_t> image_data) { |
| return ChromeRenderFrameObserver::IsAnimatedWebp(image_data); |
| } |
| }; |
| |
| TEST_F(ChromeRenderFrameObserverTest, |
| NeedsDownscale_RequestLargeThanOriginalReturnFalse) { |
| EXPECT_FALSE( |
| NeedsDownscale(/* original_image_size */ gfx::Size(10, 10), |
| /* requested_image_min_area_pixels */ 200, |
| /* requested_image_max_size */ gfx::Size(20, 20))); |
| } |
| |
| TEST_F(ChromeRenderFrameObserverTest, NeedsDownscale_SameSizeReturnFalse) { |
| EXPECT_FALSE( |
| NeedsDownscale(/* original_image_size */ gfx::Size(10, 10), |
| /* requested_image_min_area_pixels */ 100, |
| /* requested_image_max_size */ gfx::Size(10, 10))); |
| } |
| |
| TEST_F(ChromeRenderFrameObserverTest, NeedsDownscale_OnlyWidthShortReturnTrue) { |
| EXPECT_TRUE(NeedsDownscale(/* original_image_size */ gfx::Size(10, 10), |
| /* requested_image_min_area_pixels */ 100, |
| /* requested_image_max_size */ gfx::Size(9, 10))); |
| } |
| |
| TEST_F(ChromeRenderFrameObserverTest, NeedsDownscale_OnlyAreaSmallReturnFalse) { |
| EXPECT_FALSE( |
| NeedsDownscale(/* original_image_size */ gfx::Size(10, 10), |
| /* requested_image_min_area_pixels */ 20, |
| /* requested_image_max_size */ gfx::Size(20, 20))); |
| } |
| |
| TEST_F(ChromeRenderFrameObserverTest, NeedsEncodeImage_JpegFormat) { |
| EXPECT_TRUE( |
| NeedsEncodeImage(/* image_extension */ ".png", |
| /* image_format */ chrome::mojom::ImageFormat::JPEG)); |
| EXPECT_FALSE( |
| NeedsEncodeImage(/* image_extension */ ".jpg", |
| /* image_format */ chrome::mojom::ImageFormat::JPEG)); |
| EXPECT_TRUE( |
| NeedsEncodeImage(/* image_extension */ ".gif", |
| /* image_format */ chrome::mojom::ImageFormat::JPEG)); |
| EXPECT_TRUE( |
| NeedsEncodeImage(/* image_extension */ ".bmp", |
| /* image_format */ chrome::mojom::ImageFormat::JPEG)); |
| EXPECT_TRUE( |
| NeedsEncodeImage(/* image_extension */ ".webp", |
| /* image_format */ chrome::mojom::ImageFormat::JPEG)); |
| } |
| |
| TEST_F(ChromeRenderFrameObserverTest, NeedsEncodeImage_PngFormat) { |
| EXPECT_FALSE( |
| NeedsEncodeImage(/* image_extension */ ".png", |
| /* image_format */ chrome::mojom::ImageFormat::PNG)); |
| EXPECT_TRUE( |
| NeedsEncodeImage(/* image_extension */ ".jpg", |
| /* image_format */ chrome::mojom::ImageFormat::PNG)); |
| EXPECT_TRUE( |
| NeedsEncodeImage(/* image_extension */ ".gif", |
| /* image_format */ chrome::mojom::ImageFormat::PNG)); |
| EXPECT_TRUE( |
| NeedsEncodeImage(/* image_extension */ ".bmp", |
| /* image_format */ chrome::mojom::ImageFormat::PNG)); |
| EXPECT_TRUE( |
| NeedsEncodeImage(/* image_extension */ ".webp", |
| /* image_format */ chrome::mojom::ImageFormat::PNG)); |
| } |
| |
| TEST_F(ChromeRenderFrameObserverTest, NeedsEncodeImage_WebpFormat) { |
| EXPECT_TRUE( |
| NeedsEncodeImage(/* image_extension */ ".png", |
| /* image_format */ chrome::mojom::ImageFormat::WEBP)); |
| EXPECT_TRUE( |
| NeedsEncodeImage(/* image_extension */ ".jpg", |
| /* image_format */ chrome::mojom::ImageFormat::WEBP)); |
| EXPECT_TRUE( |
| NeedsEncodeImage(/* image_extension */ ".gif", |
| /* image_format */ chrome::mojom::ImageFormat::WEBP)); |
| EXPECT_TRUE( |
| NeedsEncodeImage(/* image_extension */ ".bmp", |
| /* image_format */ chrome::mojom::ImageFormat::WEBP)); |
| EXPECT_FALSE( |
| NeedsEncodeImage(/* image_extension */ ".webp", |
| /* image_format */ chrome::mojom::ImageFormat::WEBP)); |
| } |
| |
| TEST_F(ChromeRenderFrameObserverTest, NeedsEncodeImage_OriginalFormat) { |
| EXPECT_FALSE(NeedsEncodeImage( |
| /* image_extension */ ".png", |
| /* image_format */ chrome::mojom::ImageFormat::ORIGINAL)); |
| EXPECT_FALSE(NeedsEncodeImage( |
| /* image_extension */ ".jpg", |
| /* image_format */ chrome::mojom::ImageFormat::ORIGINAL)); |
| EXPECT_FALSE(NeedsEncodeImage( |
| /* image_extension */ ".gif", |
| /* image_format */ chrome::mojom::ImageFormat::ORIGINAL)); |
| EXPECT_TRUE(NeedsEncodeImage( |
| /* image_extension */ ".bmp", |
| /* image_format */ chrome::mojom::ImageFormat::ORIGINAL)); |
| EXPECT_TRUE(NeedsEncodeImage( |
| /* image_extension */ ".webp", |
| /* image_format */ chrome::mojom::ImageFormat::ORIGINAL)); |
| } |
| |
| TEST_F(ChromeRenderFrameObserverTest, |
| IsAnimatedWebp_HeaderTooSmall_ReturnsFalse) { |
| // First 10 bytes taken from a real animated webp image. |
| const std::vector<uint8_t> broken_image_data{82, 73, 70, 70, 228, |
| 26, 0, 0, 87}; |
| EXPECT_FALSE(IsAnimatedWebp(broken_image_data)); |
| } |
| |
| TEST_F(ChromeRenderFrameObserverTest, IsAnimatedWebp_StaticWebp_ReturnsFalse) { |
| // First 75 bytes taken from a real animated webp image. |
| const std::vector<uint8_t> static_webp_image_data{ |
| 82, 73, 70, 70, 88, 59, 1, 0, 87, 69, 66, 80, 86, |
| 80, 56, 32, 76, 59, 1, 0, 208, 98, 5, 157, 1, 42, |
| 0, 4, 64, 2, 62, 109, 50, 148, 71, 36, 35, 34, 38, |
| 166, 86, 124, 72, 208, 13, 137, 103, 106, 155, 24, 53, 233, |
| 164, 233, 87, 115, 20, 237, 92, 128, 131, 202, 189, 198, 245, |
| 91, 174, 63, 84, 114, 136, 231, 31, 212, 255}; |
| EXPECT_FALSE(IsAnimatedWebp(static_webp_image_data)); |
| } |
| |
| TEST_F(ChromeRenderFrameObserverTest, IsAnimatedWebp_Jpeg_ReturnsFalse) { |
| // First 75 bytes taken from a real jpeg image. |
| const std::vector<uint8_t> jpeg_image_data{ |
| 255, 216, 255, 224, 0, 16, 74, 70, 73, 70, 0, 1, 1, 1, 0, |
| 72, 0, 72, 0, 0, 255, 226, 12, 88, 73, 67, 67, 95, 80, 82, |
| 79, 70, 73, 76, 69, 0, 1, 1, 0, 0, 12, 72, 76, 105, 110, |
| 111, 2, 16, 0, 0, 109, 110, 116, 114, 82, 71, 66, 32, 88, 89, |
| 90, 32, 7, 206, 0, 2, 0, 9, 0, 6, 0, 49, 0, 0, 97}; |
| EXPECT_FALSE(IsAnimatedWebp(jpeg_image_data)); |
| } |
| |
| TEST_F(ChromeRenderFrameObserverTest, IsAnimatedWebp_AnimatedWebp_ReturnsTrue) { |
| // First 75 bytes taken from a real animated webp image. |
| const std::vector<uint8_t> animated_webp_image_data{ |
| 82, 73, 70, 70, 228, 26, 0, 0, 87, 69, 66, 80, 86, 80, 56, |
| 88, 10, 0, 0, 0, 18, 0, 0, 0, 219, 1, 0, 23, 1, 0, |
| 65, 78, 73, 77, 6, 0, 0, 0, 255, 255, 255, 255, 0, 0, 65, |
| 78, 77, 70, 20, 2, 0, 0, 0, 0, 0, 0, 0, 0, 219, 1, |
| 0, 23, 1, 0, 60, 0, 0, 3, 86, 80, 56, 76, 251, 1, 0}; |
| EXPECT_TRUE(IsAnimatedWebp(animated_webp_image_data)); |
| } |
