| // Copyright 2017 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "third_party/blink/renderer/platform/graphics/static_bitmap_image.h" |
| |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "third_party/blink/renderer/platform/wtf/typed_arrays/array_buffer_contents.h" |
| #include "third_party/skia/include/core/SkSurface.h" |
| #include "v8/include/v8.h" |
| |
| namespace blink { |
| |
| class StaticBitmapImageTest : public testing::Test {}; |
| |
| // This test verifies if requesting a large ImageData that cannot be handled by |
| // V8 is denied by StaticBitmapImage. This prevents V8 from crashing the |
| // renderer if the user asks to get back the ImageData. |
| TEST_F(StaticBitmapImageTest, |
| ConvertArrayBufferContentsTooBigToAllocateDoesNotCrash) { |
| SkImageInfo info = SkImageInfo::MakeN32Premul(1, 1); |
| sk_sp<SkSurface> surface = SkSurface::MakeRaster(info); |
| EXPECT_TRUE(!!surface); |
| |
| scoped_refptr<StaticBitmapImage> image = |
| StaticBitmapImage::Create(surface->makeImageSnapshot()); |
| |
| IntRect too_big_rect(IntPoint(0, 0), |
| IntSize(1, (v8::TypedArray::kMaxLength / 4) + 1)); |
| WTF::ArrayBufferContents contents; |
| EXPECT_FALSE(StaticBitmapImage::ConvertToArrayBufferContents( |
| image, contents, too_big_rect, CanvasColorParams())); |
| } |
| |
| } // namespace blink |
