| // Copyright 2014 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 "core/html/canvas/CanvasFontCache.h" |
| |
| #include "core/dom/Document.h" |
| #include "core/frame/FrameView.h" |
| #include "core/html/canvas/CanvasContextCreationAttributes.h" |
| #include "core/html/canvas/CanvasRenderingContext.h" |
| #include "core/loader/EmptyClients.h" |
| #include "core/testing/DummyPageHolder.h" |
| #include "platform/graphics/UnacceleratedImageBufferSurface.h" |
| #include "testing/gmock/include/gmock/gmock.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include <memory> |
| |
| using ::testing::Mock; |
| |
| namespace blink { |
| |
| class CanvasFontCacheTest : public ::testing::Test { |
| protected: |
| CanvasFontCacheTest(); |
| void SetUp() override; |
| |
| DummyPageHolder& page() const { return *m_dummyPageHolder; } |
| Document& document() const { return *m_document; } |
| HTMLCanvasElement& canvasElement() const { return *m_canvasElement; } |
| CanvasRenderingContext* context2d() const; |
| CanvasFontCache* cache() { return m_document->canvasFontCache(); } |
| |
| private: |
| std::unique_ptr<DummyPageHolder> m_dummyPageHolder; |
| Persistent<Document> m_document; |
| Persistent<HTMLCanvasElement> m_canvasElement; |
| }; |
| |
| CanvasFontCacheTest::CanvasFontCacheTest() |
| { } |
| |
| CanvasRenderingContext* CanvasFontCacheTest::context2d() const |
| { |
| // If the following check fails, perhaps you forgot to call createContext |
| // in your test? |
| EXPECT_NE(nullptr, canvasElement().renderingContext()); |
| EXPECT_TRUE(canvasElement().renderingContext()->is2d()); |
| return canvasElement().renderingContext(); |
| } |
| |
| void CanvasFontCacheTest::SetUp() |
| { |
| Page::PageClients pageClients; |
| fillWithEmptyClients(pageClients); |
| m_dummyPageHolder = DummyPageHolder::create(IntSize(800, 600), &pageClients); |
| m_document = &m_dummyPageHolder->document(); |
| m_document->documentElement()->setInnerHTML("<body><canvas id='c'></canvas></body>", ASSERT_NO_EXCEPTION); |
| m_document->view()->updateAllLifecyclePhases(); |
| m_canvasElement = toHTMLCanvasElement(m_document->getElementById("c")); |
| String canvasType("2d"); |
| CanvasContextCreationAttributes attributes; |
| attributes.setAlpha(true); |
| m_canvasElement->getCanvasRenderingContext(canvasType, attributes); |
| context2d(); // Calling this for the checks |
| } |
| |
| TEST_F(CanvasFontCacheTest, CacheHardLimit) |
| { |
| String fontString; |
| unsigned i; |
| for (i = 0; i < cache()->hardMaxFonts() + 1; i++) { |
| fontString = String::number(i + 1) + "px sans-serif"; |
| context2d()->setFont(fontString); |
| if (i < cache()->hardMaxFonts()) { |
| EXPECT_TRUE(cache()->isInCache("1px sans-serif")); |
| } else { |
| EXPECT_FALSE(cache()->isInCache("1px sans-serif")); |
| } |
| EXPECT_TRUE(cache()->isInCache(fontString)); |
| } |
| } |
| |
| TEST_F(CanvasFontCacheTest, PageVisibilityChange) |
| { |
| context2d()->setFont("10px sans-serif"); |
| EXPECT_TRUE(cache()->isInCache("10px sans-serif")); |
| page().page().setVisibilityState(PageVisibilityStateHidden, false); |
| EXPECT_FALSE(cache()->isInCache("10px sans-serif")); |
| |
| context2d()->setFont("15px sans-serif"); |
| EXPECT_FALSE(cache()->isInCache("10px sans-serif")); |
| EXPECT_TRUE(cache()->isInCache("15px sans-serif")); |
| |
| context2d()->setFont("10px sans-serif"); |
| EXPECT_TRUE(cache()->isInCache("10px sans-serif")); |
| EXPECT_FALSE(cache()->isInCache("15px sans-serif")); |
| |
| page().page().setVisibilityState(PageVisibilityStateVisible, false); |
| context2d()->setFont("15px sans-serif"); |
| context2d()->setFont("10px sans-serif"); |
| EXPECT_TRUE(cache()->isInCache("10px sans-serif")); |
| EXPECT_TRUE(cache()->isInCache("15px sans-serif")); |
| } |
| |
| } // namespace blink |
