Enable webkit_compositor_unittests

webkit/compositor/TextureLayerChromiumTest.cpp

Index: webkit/compositor/TextureLayerChromiumTest.cpp
diff --git a/webkit/compositor/TextureLayerChromiumTest.cpp b/webkit/compositor/TextureLayerChromiumTest.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..b038ac0f0f81cede8d8a7298fb9a94a8a23f228b
--- /dev/null
+++ b/webkit/compositor/TextureLayerChromiumTest.cpp
@@ -0,0 +1,116 @@
+// Copyright 2012 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 "config.h"
+
+#include "TextureLayerChromium.h"
+
+#include "CCLayerTreeHost.h"
+#include "FakeCCLayerTreeHostClient.h"
+#include <gmock/gmock.h>
+#include <gtest/gtest.h>
+#include <public/WebCompositor.h>
+
+using namespace WebCore;
+using ::testing::Mock;
+using ::testing::_;
+using ::testing::AtLeast;
+using ::testing::AnyNumber;
+
+namespace {
+
+class MockCCLayerTreeHost : public CCLayerTreeHost {
+public:
+    MockCCLayerTreeHost()
+        : CCLayerTreeHost(&m_fakeClient, CCLayerTreeSettings())
+    {
+        initialize();
+    }
+
+    MOCK_METHOD0(acquireLayerTextures, void());
+
+private:
+    FakeCCLayerTreeHostClient m_fakeClient;
+};
+
+
+class TextureLayerChromiumTest : public testing::Test {
+protected:
+    virtual void SetUp()
+    {
+        // Initialize without threading support.
+        WebKit::WebCompositor::initialize(0);
+        m_layerTreeHost = adoptPtr(new MockCCLayerTreeHost);
+    }
+
+    virtual void TearDown()
+    {
+        Mock::VerifyAndClearExpectations(m_layerTreeHost.get());
+        EXPECT_CALL(*m_layerTreeHost, acquireLayerTextures()).Times(AnyNumber());
+
+        m_layerTreeHost->setRootLayer(0);
+        m_layerTreeHost.clear();
+        WebKit::WebCompositor::shutdown();
+    }
+
+    OwnPtr<MockCCLayerTreeHost> m_layerTreeHost;
+};
+
+TEST_F(TextureLayerChromiumTest, syncImplWhenChangingTextureId)
+{
+    RefPtr<TextureLayerChromium> testLayer = TextureLayerChromium::create(0);
+    ASSERT_TRUE(testLayer);
+
+    EXPECT_CALL(*m_layerTreeHost, acquireLayerTextures()).Times(AnyNumber());
+    m_layerTreeHost->setRootLayer(testLayer);
+    Mock::VerifyAndClearExpectations(m_layerTreeHost.get());
+    EXPECT_EQ(testLayer->layerTreeHost(), m_layerTreeHost.get());
+
+    EXPECT_CALL(*m_layerTreeHost, acquireLayerTextures()).Times(0);
+    testLayer->setTextureId(1);
+    Mock::VerifyAndClearExpectations(m_layerTreeHost.get());
+
+    EXPECT_CALL(*m_layerTreeHost, acquireLayerTextures()).Times(AtLeast(1));
+    testLayer->setTextureId(2);
+    Mock::VerifyAndClearExpectations(m_layerTreeHost.get());
+
+    EXPECT_CALL(*m_layerTreeHost, acquireLayerTextures()).Times(AtLeast(1));
+    testLayer->setTextureId(0);
+    Mock::VerifyAndClearExpectations(m_layerTreeHost.get());
+}
+
+TEST_F(TextureLayerChromiumTest, syncImplWhenRemovingFromTree)
+{
+    RefPtr<LayerChromium> rootLayer = LayerChromium::create();
+    ASSERT_TRUE(rootLayer);
+    RefPtr<LayerChromium> childLayer = LayerChromium::create();
+    ASSERT_TRUE(childLayer);
+    rootLayer->addChild(childLayer);
+    RefPtr<TextureLayerChromium> testLayer = TextureLayerChromium::create(0);
+    ASSERT_TRUE(testLayer);
+    testLayer->setTextureId(0);
+    childLayer->addChild(testLayer);
+
+    EXPECT_CALL(*m_layerTreeHost, acquireLayerTextures()).Times(AnyNumber());
+    m_layerTreeHost->setRootLayer(rootLayer);
+    Mock::VerifyAndClearExpectations(m_layerTreeHost.get());
+
+    EXPECT_CALL(*m_layerTreeHost, acquireLayerTextures()).Times(0);
+    testLayer->removeFromParent();
+    Mock::VerifyAndClearExpectations(m_layerTreeHost.get());
+
+    EXPECT_CALL(*m_layerTreeHost, acquireLayerTextures()).Times(0);
+    childLayer->addChild(testLayer);
+    Mock::VerifyAndClearExpectations(m_layerTreeHost.get());
+
+    EXPECT_CALL(*m_layerTreeHost, acquireLayerTextures()).Times(0);
+    testLayer->setTextureId(1);
+    Mock::VerifyAndClearExpectations(m_layerTreeHost.get());
+
+    EXPECT_CALL(*m_layerTreeHost, acquireLayerTextures()).Times(AtLeast(1));
+    testLayer->removeFromParent();
+    Mock::VerifyAndClearExpectations(m_layerTreeHost.get());
+}
+
+} // anonymous namespace