| // Copyright 2016 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 "modules/canvas/HTMLCanvasElementModule.h" |
| |
| #include "core/dom/DOMNodeIds.h" |
| #include "core/dom/Document.h" |
| #include "core/frame/FrameView.h" |
| #include "core/html/HTMLCanvasElement.h" |
| #include "core/loader/EmptyClients.h" |
| #include "core/offscreencanvas/OffscreenCanvas.h" |
| #include "core/testing/DummyPageHolder.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include <memory> |
| |
| namespace blink { |
| |
| class HTMLCanvasElementModuleTest : public ::testing::Test { |
| protected: |
| virtual void SetUp() { |
| Page::PageClients pageClients; |
| fillWithEmptyClients(pageClients); |
| std::unique_ptr<DummyPageHolder> m_dummyPageHolder = |
| DummyPageHolder::create(IntSize(800, 600), &pageClients); |
| Persistent<Document> 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")); |
| } |
| |
| HTMLCanvasElement& canvasElement() const { return *m_canvasElement; } |
| OffscreenCanvas* transferControlToOffscreen(ExceptionState&); |
| |
| private: |
| Persistent<HTMLCanvasElement> m_canvasElement; |
| }; |
| |
| OffscreenCanvas* HTMLCanvasElementModuleTest::transferControlToOffscreen( |
| ExceptionState& exceptionState) { |
| // This unit test only tests if the Canvas Id is associated correctly, so we |
| // exclude the part that creates surface layer bridge because a mojo message |
| // pipe cannot be tested using webkit unit tests. |
| return HTMLCanvasElementModule::transferControlToOffscreenInternal( |
| canvasElement(), exceptionState); |
| } |
| |
| TEST_F(HTMLCanvasElementModuleTest, TransferControlToOffscreen) { |
| NonThrowableExceptionState exceptionState; |
| OffscreenCanvas* offscreenCanvas = transferControlToOffscreen(exceptionState); |
| int canvasId = offscreenCanvas->getAssociatedCanvasId(); |
| EXPECT_EQ(canvasId, DOMNodeIds::idForNode(&(canvasElement()))); |
| } |
| |
| } // namespace blink |
