Enable webkit_compositor_unittests
These are unit tests of the webkit compositor bindings that bind the
WebKit Platform Web*Layer* family of APIs to cc. They currently depend
on some test utilities in cc.
Also updates snapshot to WebKit r127194
BUG=
Review URL: https://chromiumcodereview.appspot.com/10909020
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@154307 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/webkit/compositor/LayerChromiumTest.cpp b/webkit/compositor/LayerChromiumTest.cpp
new file mode 100644
index 0000000..4317d69
--- /dev/null
+++ b/webkit/compositor/LayerChromiumTest.cpp
@@ -0,0 +1,814 @@
+// Copyright 2011 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 "LayerChromium.h"
+
+#include "CCLayerImpl.h"
+#include "CCLayerTreeHost.h"
+#include "CCLayerTreeTestCommon.h"
+#include "CCSingleThreadProxy.h"
+#include "FakeCCLayerTreeHostClient.h"
+#include "LayerPainterChromium.h"
+#include <gmock/gmock.h>
+#include <gtest/gtest.h>
+#include <public/WebCompositor.h>
+#include <public/WebTransformationMatrix.h>
+
+using namespace WebCore;
+using namespace WebKitTests;
+using WebKit::WebTransformationMatrix;
+using ::testing::Mock;
+using ::testing::_;
+using ::testing::AtLeast;
+using ::testing::AnyNumber;
+
+#define EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(numTimesExpectedSetNeedsCommit, codeToTest) do { \
+ EXPECT_CALL(*m_layerTreeHost, setNeedsCommit()).Times((numTimesExpectedSetNeedsCommit)); \
+ codeToTest; \
+ Mock::VerifyAndClearExpectations(m_layerTreeHost.get()); \
+ } while (0)
+
+namespace {
+
+class MockCCLayerTreeHost : public CCLayerTreeHost {
+public:
+ MockCCLayerTreeHost()
+ : CCLayerTreeHost(&m_fakeClient, CCLayerTreeSettings())
+ {
+ initialize();
+ }
+
+ MOCK_METHOD0(setNeedsCommit, void());
+
+private:
+ FakeCCLayerTreeHostClient m_fakeClient;
+};
+
+class MockLayerPainterChromium : public LayerPainterChromium {
+public:
+ virtual void paint(SkCanvas*, const IntRect&, FloatRect&) OVERRIDE { }
+};
+
+
+class LayerChromiumTest : 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, setNeedsCommit()).Times(AnyNumber());
+ m_parent.clear();
+ m_child1.clear();
+ m_child2.clear();
+ m_child3.clear();
+ m_grandChild1.clear();
+ m_grandChild2.clear();
+ m_grandChild3.clear();
+
+ m_layerTreeHost->setRootLayer(0);
+ m_layerTreeHost.clear();
+ WebKit::WebCompositor::shutdown();
+ }
+
+ void verifyTestTreeInitialState() const
+ {
+ ASSERT_EQ(static_cast<size_t>(3), m_parent->children().size());
+ EXPECT_EQ(m_child1, m_parent->children()[0]);
+ EXPECT_EQ(m_child2, m_parent->children()[1]);
+ EXPECT_EQ(m_child3, m_parent->children()[2]);
+ EXPECT_EQ(m_parent.get(), m_child1->parent());
+ EXPECT_EQ(m_parent.get(), m_child2->parent());
+ EXPECT_EQ(m_parent.get(), m_child3->parent());
+
+ ASSERT_EQ(static_cast<size_t>(2), m_child1->children().size());
+ EXPECT_EQ(m_grandChild1, m_child1->children()[0]);
+ EXPECT_EQ(m_grandChild2, m_child1->children()[1]);
+ EXPECT_EQ(m_child1.get(), m_grandChild1->parent());
+ EXPECT_EQ(m_child1.get(), m_grandChild2->parent());
+
+ ASSERT_EQ(static_cast<size_t>(1), m_child2->children().size());
+ EXPECT_EQ(m_grandChild3, m_child2->children()[0]);
+ EXPECT_EQ(m_child2.get(), m_grandChild3->parent());
+
+ ASSERT_EQ(static_cast<size_t>(0), m_child3->children().size());
+ }
+
+ void createSimpleTestTree()
+ {
+ m_parent = LayerChromium::create();
+ m_child1 = LayerChromium::create();
+ m_child2 = LayerChromium::create();
+ m_child3 = LayerChromium::create();
+ m_grandChild1 = LayerChromium::create();
+ m_grandChild2 = LayerChromium::create();
+ m_grandChild3 = LayerChromium::create();
+
+ EXPECT_CALL(*m_layerTreeHost, setNeedsCommit()).Times(AnyNumber());
+ m_layerTreeHost->setRootLayer(m_parent);
+
+ m_parent->addChild(m_child1);
+ m_parent->addChild(m_child2);
+ m_parent->addChild(m_child3);
+ m_child1->addChild(m_grandChild1);
+ m_child1->addChild(m_grandChild2);
+ m_child2->addChild(m_grandChild3);
+
+ Mock::VerifyAndClearExpectations(m_layerTreeHost.get());
+
+ verifyTestTreeInitialState();
+ }
+
+ OwnPtr<MockCCLayerTreeHost> m_layerTreeHost;
+ RefPtr<LayerChromium> m_parent, m_child1, m_child2, m_child3, m_grandChild1, m_grandChild2, m_grandChild3;
+};
+
+TEST_F(LayerChromiumTest, basicCreateAndDestroy)
+{
+ RefPtr<LayerChromium> testLayer = LayerChromium::create();
+ ASSERT_TRUE(testLayer);
+
+ EXPECT_CALL(*m_layerTreeHost, setNeedsCommit()).Times(0);
+ testLayer->setLayerTreeHost(m_layerTreeHost.get());
+}
+
+TEST_F(LayerChromiumTest, addAndRemoveChild)
+{
+ RefPtr<LayerChromium> parent = LayerChromium::create();
+ RefPtr<LayerChromium> child = LayerChromium::create();
+
+ // Upon creation, layers should not have children or parent.
+ ASSERT_EQ(static_cast<size_t>(0), parent->children().size());
+ EXPECT_FALSE(child->parent());
+
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(1, m_layerTreeHost->setRootLayer(parent));
+
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(1, parent->addChild(child));
+
+ ASSERT_EQ(static_cast<size_t>(1), parent->children().size());
+ EXPECT_EQ(child.get(), parent->children()[0]);
+ EXPECT_EQ(parent.get(), child->parent());
+ EXPECT_EQ(parent.get(), child->rootLayer());
+
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(AtLeast(1), child->removeFromParent());
+}
+
+TEST_F(LayerChromiumTest, insertChild)
+{
+ RefPtr<LayerChromium> parent = LayerChromium::create();
+ RefPtr<LayerChromium> child1 = LayerChromium::create();
+ RefPtr<LayerChromium> child2 = LayerChromium::create();
+ RefPtr<LayerChromium> child3 = LayerChromium::create();
+ RefPtr<LayerChromium> child4 = LayerChromium::create();
+
+ parent->setLayerTreeHost(m_layerTreeHost.get());
+
+ ASSERT_EQ(static_cast<size_t>(0), parent->children().size());
+
+ // Case 1: inserting to empty list.
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(1, parent->insertChild(child3, 0));
+ ASSERT_EQ(static_cast<size_t>(1), parent->children().size());
+ EXPECT_EQ(child3, parent->children()[0]);
+ EXPECT_EQ(parent.get(), child3->parent());
+
+ // Case 2: inserting to beginning of list
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(1, parent->insertChild(child1, 0));
+ ASSERT_EQ(static_cast<size_t>(2), parent->children().size());
+ EXPECT_EQ(child1, parent->children()[0]);
+ EXPECT_EQ(child3, parent->children()[1]);
+ EXPECT_EQ(parent.get(), child1->parent());
+
+ // Case 3: inserting to middle of list
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(1, parent->insertChild(child2, 1));
+ ASSERT_EQ(static_cast<size_t>(3), parent->children().size());
+ EXPECT_EQ(child1, parent->children()[0]);
+ EXPECT_EQ(child2, parent->children()[1]);
+ EXPECT_EQ(child3, parent->children()[2]);
+ EXPECT_EQ(parent.get(), child2->parent());
+
+ // Case 4: inserting to end of list
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(1, parent->insertChild(child4, 3));
+
+ ASSERT_EQ(static_cast<size_t>(4), parent->children().size());
+ EXPECT_EQ(child1, parent->children()[0]);
+ EXPECT_EQ(child2, parent->children()[1]);
+ EXPECT_EQ(child3, parent->children()[2]);
+ EXPECT_EQ(child4, parent->children()[3]);
+ EXPECT_EQ(parent.get(), child4->parent());
+
+ EXPECT_CALL(*m_layerTreeHost, setNeedsCommit()).Times(AtLeast(1));
+}
+
+TEST_F(LayerChromiumTest, insertChildPastEndOfList)
+{
+ RefPtr<LayerChromium> parent = LayerChromium::create();
+ RefPtr<LayerChromium> child1 = LayerChromium::create();
+ RefPtr<LayerChromium> child2 = LayerChromium::create();
+
+ ASSERT_EQ(static_cast<size_t>(0), parent->children().size());
+
+ // insert to an out-of-bounds index
+ parent->insertChild(child1, 53);
+
+ ASSERT_EQ(static_cast<size_t>(1), parent->children().size());
+ EXPECT_EQ(child1, parent->children()[0]);
+
+ // insert another child to out-of-bounds, when list is not already empty.
+ parent->insertChild(child2, 2459);
+
+ ASSERT_EQ(static_cast<size_t>(2), parent->children().size());
+ EXPECT_EQ(child1, parent->children()[0]);
+ EXPECT_EQ(child2, parent->children()[1]);
+}
+
+TEST_F(LayerChromiumTest, insertSameChildTwice)
+{
+ RefPtr<LayerChromium> parent = LayerChromium::create();
+ RefPtr<LayerChromium> child1 = LayerChromium::create();
+ RefPtr<LayerChromium> child2 = LayerChromium::create();
+
+ parent->setLayerTreeHost(m_layerTreeHost.get());
+
+ ASSERT_EQ(static_cast<size_t>(0), parent->children().size());
+
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(1, parent->insertChild(child1, 0));
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(1, parent->insertChild(child2, 1));
+
+ ASSERT_EQ(static_cast<size_t>(2), parent->children().size());
+ EXPECT_EQ(child1, parent->children()[0]);
+ EXPECT_EQ(child2, parent->children()[1]);
+
+ // Inserting the same child again should cause the child to be removed and re-inserted at the new location.
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(AtLeast(1), parent->insertChild(child1, 1));
+
+ // child1 should now be at the end of the list.
+ ASSERT_EQ(static_cast<size_t>(2), parent->children().size());
+ EXPECT_EQ(child2, parent->children()[0]);
+ EXPECT_EQ(child1, parent->children()[1]);
+
+ EXPECT_CALL(*m_layerTreeHost, setNeedsCommit()).Times(AtLeast(1));
+}
+
+TEST_F(LayerChromiumTest, replaceChildWithNewChild)
+{
+ createSimpleTestTree();
+ RefPtr<LayerChromium> child4 = LayerChromium::create();
+
+ EXPECT_FALSE(child4->parent());
+
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(AtLeast(1), m_parent->replaceChild(m_child2.get(), child4));
+
+ ASSERT_EQ(static_cast<size_t>(3), m_parent->children().size());
+ EXPECT_EQ(m_child1, m_parent->children()[0]);
+ EXPECT_EQ(child4, m_parent->children()[1]);
+ EXPECT_EQ(m_child3, m_parent->children()[2]);
+ EXPECT_EQ(m_parent.get(), child4->parent());
+
+ EXPECT_FALSE(m_child2->parent());
+}
+
+TEST_F(LayerChromiumTest, replaceChildWithNewChildThatHasOtherParent)
+{
+ createSimpleTestTree();
+
+ // create another simple tree with testLayer and child4.
+ RefPtr<LayerChromium> testLayer = LayerChromium::create();
+ RefPtr<LayerChromium> child4 = LayerChromium::create();
+ testLayer->addChild(child4);
+ ASSERT_EQ(static_cast<size_t>(1), testLayer->children().size());
+ EXPECT_EQ(child4, testLayer->children()[0]);
+ EXPECT_EQ(testLayer.get(), child4->parent());
+
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(AtLeast(1), m_parent->replaceChild(m_child2.get(), child4));
+
+ ASSERT_EQ(static_cast<size_t>(3), m_parent->children().size());
+ EXPECT_EQ(m_child1, m_parent->children()[0]);
+ EXPECT_EQ(child4, m_parent->children()[1]);
+ EXPECT_EQ(m_child3, m_parent->children()[2]);
+ EXPECT_EQ(m_parent.get(), child4->parent());
+
+ // testLayer should no longer have child4,
+ // and child2 should no longer have a parent.
+ ASSERT_EQ(static_cast<size_t>(0), testLayer->children().size());
+ EXPECT_FALSE(m_child2->parent());
+}
+
+TEST_F(LayerChromiumTest, replaceChildWithSameChild)
+{
+ createSimpleTestTree();
+
+ // setNeedsCommit should not be called because its the same child
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(0, m_parent->replaceChild(m_child2.get(), m_child2));
+
+ verifyTestTreeInitialState();
+}
+
+TEST_F(LayerChromiumTest, removeAllChildren)
+{
+ createSimpleTestTree();
+
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(AtLeast(3), m_parent->removeAllChildren());
+
+ ASSERT_EQ(static_cast<size_t>(0), m_parent->children().size());
+ EXPECT_FALSE(m_child1->parent());
+ EXPECT_FALSE(m_child2->parent());
+ EXPECT_FALSE(m_child3->parent());
+}
+
+TEST_F(LayerChromiumTest, setChildren)
+{
+ RefPtr<LayerChromium> oldParent = LayerChromium::create();
+ RefPtr<LayerChromium> newParent = LayerChromium::create();
+
+ RefPtr<LayerChromium> child1 = LayerChromium::create();
+ RefPtr<LayerChromium> child2 = LayerChromium::create();
+
+ Vector<RefPtr<LayerChromium> > newChildren;
+ newChildren.append(child1);
+ newChildren.append(child2);
+
+ // Set up and verify initial test conditions: child1 has a parent, child2 has no parent.
+ oldParent->addChild(child1);
+ ASSERT_EQ(static_cast<size_t>(0), newParent->children().size());
+ EXPECT_EQ(oldParent.get(), child1->parent());
+ EXPECT_FALSE(child2->parent());
+
+ newParent->setLayerTreeHost(m_layerTreeHost.get());
+
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(AtLeast(1), newParent->setChildren(newChildren));
+
+ ASSERT_EQ(static_cast<size_t>(2), newParent->children().size());
+ EXPECT_EQ(newParent.get(), child1->parent());
+ EXPECT_EQ(newParent.get(), child2->parent());
+
+ EXPECT_CALL(*m_layerTreeHost, setNeedsCommit()).Times(AtLeast(1));
+}
+
+TEST_F(LayerChromiumTest, getRootLayerAfterTreeManipulations)
+{
+ createSimpleTestTree();
+
+ // For this test we don't care about setNeedsCommit calls.
+ EXPECT_CALL(*m_layerTreeHost, setNeedsCommit()).Times(AtLeast(1));
+
+ RefPtr<LayerChromium> child4 = LayerChromium::create();
+
+ EXPECT_EQ(m_parent.get(), m_parent->rootLayer());
+ EXPECT_EQ(m_parent.get(), m_child1->rootLayer());
+ EXPECT_EQ(m_parent.get(), m_child2->rootLayer());
+ EXPECT_EQ(m_parent.get(), m_child3->rootLayer());
+ EXPECT_EQ(child4.get(), child4->rootLayer());
+ EXPECT_EQ(m_parent.get(), m_grandChild1->rootLayer());
+ EXPECT_EQ(m_parent.get(), m_grandChild2->rootLayer());
+ EXPECT_EQ(m_parent.get(), m_grandChild3->rootLayer());
+
+ m_child1->removeFromParent();
+
+ // child1 and its children, grandChild1 and grandChild2 are now on a separate subtree.
+ EXPECT_EQ(m_parent.get(), m_parent->rootLayer());
+ EXPECT_EQ(m_child1.get(), m_child1->rootLayer());
+ EXPECT_EQ(m_parent.get(), m_child2->rootLayer());
+ EXPECT_EQ(m_parent.get(), m_child3->rootLayer());
+ EXPECT_EQ(child4.get(), child4->rootLayer());
+ EXPECT_EQ(m_child1.get(), m_grandChild1->rootLayer());
+ EXPECT_EQ(m_child1.get(), m_grandChild2->rootLayer());
+ EXPECT_EQ(m_parent.get(), m_grandChild3->rootLayer());
+
+ m_grandChild3->addChild(child4);
+
+ EXPECT_EQ(m_parent.get(), m_parent->rootLayer());
+ EXPECT_EQ(m_child1.get(), m_child1->rootLayer());
+ EXPECT_EQ(m_parent.get(), m_child2->rootLayer());
+ EXPECT_EQ(m_parent.get(), m_child3->rootLayer());
+ EXPECT_EQ(m_parent.get(), child4->rootLayer());
+ EXPECT_EQ(m_child1.get(), m_grandChild1->rootLayer());
+ EXPECT_EQ(m_child1.get(), m_grandChild2->rootLayer());
+ EXPECT_EQ(m_parent.get(), m_grandChild3->rootLayer());
+
+ m_child2->replaceChild(m_grandChild3.get(), m_child1);
+
+ // grandChild3 gets orphaned and the child1 subtree gets planted back into the tree under child2.
+ EXPECT_EQ(m_parent.get(), m_parent->rootLayer());
+ EXPECT_EQ(m_parent.get(), m_child1->rootLayer());
+ EXPECT_EQ(m_parent.get(), m_child2->rootLayer());
+ EXPECT_EQ(m_parent.get(), m_child3->rootLayer());
+ EXPECT_EQ(m_grandChild3.get(), child4->rootLayer());
+ EXPECT_EQ(m_parent.get(), m_grandChild1->rootLayer());
+ EXPECT_EQ(m_parent.get(), m_grandChild2->rootLayer());
+ EXPECT_EQ(m_grandChild3.get(), m_grandChild3->rootLayer());
+}
+
+TEST_F(LayerChromiumTest, checkSetNeedsDisplayCausesCorrectBehavior)
+{
+ // The semantics for setNeedsDisplay which are tested here:
+ // 1. sets needsDisplay flag appropriately.
+ // 2. indirectly calls setNeedsCommit, exactly once for each call to setNeedsDisplay.
+
+ RefPtr<LayerChromium> testLayer = LayerChromium::create();
+ testLayer->setLayerTreeHost(m_layerTreeHost.get());
+
+ IntSize testBounds = IntSize(501, 508);
+
+ FloatRect dirty1 = FloatRect(10, 15, 1, 2);
+ FloatRect dirty2 = FloatRect(20, 25, 3, 4);
+ FloatRect emptyDirtyRect = FloatRect(40, 45, 0, 0);
+ FloatRect outOfBoundsDirtyRect = FloatRect(400, 405, 500, 502);
+
+ // Before anything, testLayer should not be dirty.
+ EXPECT_FALSE(testLayer->needsDisplay());
+
+ // This is just initialization, but setNeedsCommit behavior is verified anyway to avoid warnings.
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(1, testLayer->setBounds(testBounds));
+ testLayer = LayerChromium::create();
+ testLayer->setLayerTreeHost(m_layerTreeHost.get());
+ EXPECT_FALSE(testLayer->needsDisplay());
+
+ // The real test begins here.
+
+ // Case 1: needsDisplay flag should not change because of an empty dirty rect.
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(1, testLayer->setNeedsDisplayRect(emptyDirtyRect));
+ EXPECT_FALSE(testLayer->needsDisplay());
+
+ // Case 2: basic.
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(1, testLayer->setNeedsDisplayRect(dirty1));
+ EXPECT_TRUE(testLayer->needsDisplay());
+
+ // Case 3: a second dirty rect.
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(1, testLayer->setNeedsDisplayRect(dirty2));
+ EXPECT_TRUE(testLayer->needsDisplay());
+
+ // Case 4: LayerChromium should accept dirty rects that go beyond its bounds.
+ testLayer = LayerChromium::create();
+ testLayer->setLayerTreeHost(m_layerTreeHost.get());
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(1, testLayer->setBounds(testBounds));
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(1, testLayer->setNeedsDisplayRect(outOfBoundsDirtyRect));
+ EXPECT_TRUE(testLayer->needsDisplay());
+
+ // Case 5: setNeedsDisplay() without the dirty rect arg.
+ testLayer = LayerChromium::create();
+ testLayer->setLayerTreeHost(m_layerTreeHost.get());
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(1, testLayer->setBounds(testBounds));
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(1, testLayer->setNeedsDisplay());
+ EXPECT_TRUE(testLayer->needsDisplay());
+}
+
+TEST_F(LayerChromiumTest, checkPropertyChangeCausesCorrectBehavior)
+{
+ RefPtr<LayerChromium> testLayer = LayerChromium::create();
+ testLayer->setLayerTreeHost(m_layerTreeHost.get());
+
+ RefPtr<LayerChromium> dummyLayer = LayerChromium::create(); // just a dummy layer for this test case.
+
+ // sanity check of initial test condition
+ EXPECT_FALSE(testLayer->needsDisplay());
+
+ // Test properties that should not call needsDisplay and needsCommit when changed.
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(0, testLayer->setVisibleContentRect(IntRect(0, 0, 40, 50)));
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(0, testLayer->setUseLCDText(true));
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(0, testLayer->setDrawOpacity(0.5));
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(0, testLayer->setRenderTarget(0));
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(0, testLayer->setDrawTransform(WebTransformationMatrix()));
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(0, testLayer->setScreenSpaceTransform(WebTransformationMatrix()));
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(0, testLayer->setDrawableContentRect(IntRect(4, 5, 6, 7)));
+ EXPECT_FALSE(testLayer->needsDisplay());
+
+ // Next, test properties that should call setNeedsCommit (but not setNeedsDisplay)
+ // All properties need to be set to new values in order for setNeedsCommit to be called.
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(1, testLayer->setAnchorPoint(FloatPoint(1.23f, 4.56f)));
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(1, testLayer->setAnchorPointZ(0.7f));
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(1, testLayer->setBackgroundColor(SK_ColorLTGRAY));
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(1, testLayer->setMasksToBounds(true));
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(1, testLayer->setMaskLayer(dummyLayer.get()));
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(1, testLayer->setOpacity(0.5));
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(1, testLayer->setOpaque(true));
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(1, testLayer->setPosition(FloatPoint(4, 9)));
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(1, testLayer->setReplicaLayer(dummyLayer.get()));
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(1, testLayer->setSublayerTransform(WebTransformationMatrix(0, 0, 0, 0, 0, 0)));
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(1, testLayer->setScrollable(true));
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(1, testLayer->setShouldScrollOnMainThread(true));
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(1, testLayer->setNonFastScrollableRegion(Region(IntRect(1, 1, 2, 2))));
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(1, testLayer->setHaveWheelEventHandlers(true));
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(1, testLayer->setScrollPosition(IntPoint(10, 10)));
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(1, testLayer->setTransform(WebTransformationMatrix(0, 0, 0, 0, 0, 0)));
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(1, testLayer->setDoubleSided(false));
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(1, testLayer->setDebugName("Test Layer"));
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(1, testLayer->setDrawCheckerboardForMissingTiles(!testLayer->drawCheckerboardForMissingTiles()));
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(1, testLayer->setForceRenderSurface(true));
+
+ // The above tests should not have caused a change to the needsDisplay flag.
+ EXPECT_FALSE(testLayer->needsDisplay());
+
+ // Test properties that should call setNeedsDisplay and setNeedsCommit
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(1, testLayer->setBounds(IntSize(5, 10)));
+ EXPECT_TRUE(testLayer->needsDisplay());
+}
+
+TEST_F(LayerChromiumTest, verifyPushPropertiesAccumulatesUpdateRect)
+{
+ DebugScopedSetImplThread setImplThread;
+
+ RefPtr<LayerChromium> testLayer = LayerChromium::create();
+ OwnPtr<CCLayerImpl> implLayer = CCLayerImpl::create(1);
+
+ testLayer->setNeedsDisplayRect(FloatRect(FloatPoint::zero(), FloatSize(5, 5)));
+ testLayer->pushPropertiesTo(implLayer.get());
+ EXPECT_FLOAT_RECT_EQ(FloatRect(FloatPoint::zero(), FloatSize(5, 5)), implLayer->updateRect());
+
+ // The CCLayerImpl's updateRect should be accumulated here, since we did not do anything to clear it.
+ testLayer->setNeedsDisplayRect(FloatRect(FloatPoint(10, 10), FloatSize(5, 5)));
+ testLayer->pushPropertiesTo(implLayer.get());
+ EXPECT_FLOAT_RECT_EQ(FloatRect(FloatPoint::zero(), FloatSize(15, 15)), implLayer->updateRect());
+
+ // If we do clear the CCLayerImpl side, then the next updateRect should be fresh without accumulation.
+ implLayer->resetAllChangeTrackingForSubtree();
+ testLayer->setNeedsDisplayRect(FloatRect(FloatPoint(10, 10), FloatSize(5, 5)));
+ testLayer->pushPropertiesTo(implLayer.get());
+ EXPECT_FLOAT_RECT_EQ(FloatRect(FloatPoint(10, 10), FloatSize(5, 5)), implLayer->updateRect());
+}
+
+class LayerChromiumWithContentScaling : public LayerChromium {
+public:
+ explicit LayerChromiumWithContentScaling()
+ : LayerChromium()
+ {
+ }
+
+ virtual bool needsContentsScale() const OVERRIDE
+ {
+ return true;
+ }
+
+ virtual void setNeedsDisplayRect(const FloatRect& dirtyRect) OVERRIDE
+ {
+ m_lastNeedsDisplayRect = dirtyRect;
+ LayerChromium::setNeedsDisplayRect(dirtyRect);
+ }
+
+ void resetNeedsDisplay()
+ {
+ m_needsDisplay = false;
+ }
+
+ const FloatRect& lastNeedsDisplayRect() const { return m_lastNeedsDisplayRect; }
+
+private:
+ FloatRect m_lastNeedsDisplayRect;
+};
+
+TEST_F(LayerChromiumTest, checkContentsScaleChangeTriggersNeedsDisplay)
+{
+ RefPtr<LayerChromiumWithContentScaling> testLayer = adoptRef(new LayerChromiumWithContentScaling());
+ testLayer->setLayerTreeHost(m_layerTreeHost.get());
+
+ IntSize testBounds = IntSize(320, 240);
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(1, testLayer->setBounds(testBounds));
+
+ testLayer->resetNeedsDisplay();
+ EXPECT_FALSE(testLayer->needsDisplay());
+
+ EXECUTE_AND_VERIFY_SET_NEEDS_COMMIT_BEHAVIOR(1, testLayer->setContentsScale(testLayer->contentsScale() + 1.f));
+ EXPECT_TRUE(testLayer->needsDisplay());
+ EXPECT_FLOAT_RECT_EQ(FloatRect(0, 0, 320, 240), testLayer->lastNeedsDisplayRect());
+}
+
+class FakeCCLayerTreeHost : public CCLayerTreeHost {
+public:
+ static PassOwnPtr<FakeCCLayerTreeHost> create()
+ {
+ OwnPtr<FakeCCLayerTreeHost> host(adoptPtr(new FakeCCLayerTreeHost));
+ // The initialize call will fail, since our client doesn't provide a valid GraphicsContext3D, but it doesn't matter in the tests that use this fake so ignore the return value.
+ host->initialize();
+ return host.release();
+ }
+
+private:
+ FakeCCLayerTreeHost()
+ : CCLayerTreeHost(&m_client, CCLayerTreeSettings())
+ {
+ }
+
+ FakeCCLayerTreeHostClient m_client;
+};
+
+void assertLayerTreeHostMatchesForSubtree(LayerChromium* layer, CCLayerTreeHost* host)
+{
+ EXPECT_EQ(host, layer->layerTreeHost());
+
+ for (size_t i = 0; i < layer->children().size(); ++i)
+ assertLayerTreeHostMatchesForSubtree(layer->children()[i].get(), host);
+
+ if (layer->maskLayer())
+ assertLayerTreeHostMatchesForSubtree(layer->maskLayer(), host);
+
+ if (layer->replicaLayer())
+ assertLayerTreeHostMatchesForSubtree(layer->replicaLayer(), host);
+}
+
+
+TEST(LayerChromiumLayerTreeHostTest, enteringTree)
+{
+ WebKit::WebCompositor::initialize(0);
+ RefPtr<LayerChromium> parent = LayerChromium::create();
+ RefPtr<LayerChromium> child = LayerChromium::create();
+ RefPtr<LayerChromium> mask = LayerChromium::create();
+ RefPtr<LayerChromium> replica = LayerChromium::create();
+ RefPtr<LayerChromium> replicaMask = LayerChromium::create();
+
+ // Set up a detached tree of layers. The host pointer should be nil for these layers.
+ parent->addChild(child);
+ child->setMaskLayer(mask.get());
+ child->setReplicaLayer(replica.get());
+ replica->setMaskLayer(mask.get());
+
+ assertLayerTreeHostMatchesForSubtree(parent.get(), 0);
+
+ OwnPtr<FakeCCLayerTreeHost> layerTreeHost(FakeCCLayerTreeHost::create());
+ // Setting the root layer should set the host pointer for all layers in the tree.
+ layerTreeHost->setRootLayer(parent.get());
+
+ assertLayerTreeHostMatchesForSubtree(parent.get(), layerTreeHost.get());
+
+ // Clearing the root layer should also clear out the host pointers for all layers in the tree.
+ layerTreeHost->setRootLayer(0);
+
+ assertLayerTreeHostMatchesForSubtree(parent.get(), 0);
+
+ layerTreeHost.clear();
+ WebKit::WebCompositor::shutdown();
+}
+
+TEST(LayerChromiumLayerTreeHostTest, addingLayerSubtree)
+{
+ WebKit::WebCompositor::initialize(0);
+ RefPtr<LayerChromium> parent = LayerChromium::create();
+ OwnPtr<FakeCCLayerTreeHost> layerTreeHost(FakeCCLayerTreeHost::create());
+
+ layerTreeHost->setRootLayer(parent.get());
+
+ EXPECT_EQ(parent->layerTreeHost(), layerTreeHost.get());
+
+ // Adding a subtree to a layer already associated with a host should set the host pointer on all layers in that subtree.
+ RefPtr<LayerChromium> child = LayerChromium::create();
+ RefPtr<LayerChromium> grandChild = LayerChromium::create();
+ child->addChild(grandChild);
+
+ // Masks, replicas, and replica masks should pick up the new host too.
+ RefPtr<LayerChromium> childMask = LayerChromium::create();
+ child->setMaskLayer(childMask.get());
+ RefPtr<LayerChromium> childReplica = LayerChromium::create();
+ child->setReplicaLayer(childReplica.get());
+ RefPtr<LayerChromium> childReplicaMask = LayerChromium::create();
+ childReplica->setMaskLayer(childReplicaMask.get());
+
+ parent->addChild(child);
+ assertLayerTreeHostMatchesForSubtree(parent.get(), layerTreeHost.get());
+
+ layerTreeHost->setRootLayer(0);
+ layerTreeHost.clear();
+ WebKit::WebCompositor::shutdown();
+}
+
+TEST(LayerChromiumLayerTreeHostTest, changeHost)
+{
+ WebKit::WebCompositor::initialize(0);
+ RefPtr<LayerChromium> parent = LayerChromium::create();
+ RefPtr<LayerChromium> child = LayerChromium::create();
+ RefPtr<LayerChromium> mask = LayerChromium::create();
+ RefPtr<LayerChromium> replica = LayerChromium::create();
+ RefPtr<LayerChromium> replicaMask = LayerChromium::create();
+
+ // Same setup as the previous test.
+ parent->addChild(child);
+ child->setMaskLayer(mask.get());
+ child->setReplicaLayer(replica.get());
+ replica->setMaskLayer(mask.get());
+
+ OwnPtr<FakeCCLayerTreeHost> firstLayerTreeHost(FakeCCLayerTreeHost::create());
+ firstLayerTreeHost->setRootLayer(parent.get());
+
+ assertLayerTreeHostMatchesForSubtree(parent.get(), firstLayerTreeHost.get());
+
+ // Now re-root the tree to a new host (simulating what we do on a context lost event).
+ // This should update the host pointers for all layers in the tree.
+ OwnPtr<FakeCCLayerTreeHost> secondLayerTreeHost(FakeCCLayerTreeHost::create());
+ secondLayerTreeHost->setRootLayer(parent.get());
+
+ assertLayerTreeHostMatchesForSubtree(parent.get(), secondLayerTreeHost.get());
+
+ secondLayerTreeHost->setRootLayer(0);
+ firstLayerTreeHost.clear();
+ secondLayerTreeHost.clear();
+ WebKit::WebCompositor::shutdown();
+}
+
+TEST(LayerChromiumLayerTreeHostTest, changeHostInSubtree)
+{
+ WebKit::WebCompositor::initialize(0);
+ RefPtr<LayerChromium> firstParent = LayerChromium::create();
+ RefPtr<LayerChromium> firstChild = LayerChromium::create();
+ RefPtr<LayerChromium> secondParent = LayerChromium::create();
+ RefPtr<LayerChromium> secondChild = LayerChromium::create();
+ RefPtr<LayerChromium> secondGrandChild = LayerChromium::create();
+
+ // First put all children under the first parent and set the first host.
+ firstParent->addChild(firstChild);
+ secondChild->addChild(secondGrandChild);
+ firstParent->addChild(secondChild);
+
+ OwnPtr<FakeCCLayerTreeHost> firstLayerTreeHost(FakeCCLayerTreeHost::create());
+ firstLayerTreeHost->setRootLayer(firstParent.get());
+
+ assertLayerTreeHostMatchesForSubtree(firstParent.get(), firstLayerTreeHost.get());
+
+ // Now reparent the subtree starting at secondChild to a layer in a different tree.
+ OwnPtr<FakeCCLayerTreeHost> secondLayerTreeHost(FakeCCLayerTreeHost::create());
+ secondLayerTreeHost->setRootLayer(secondParent.get());
+
+ secondParent->addChild(secondChild);
+
+ // The moved layer and its children should point to the new host.
+ EXPECT_EQ(secondLayerTreeHost.get(), secondChild->layerTreeHost());
+ EXPECT_EQ(secondLayerTreeHost.get(), secondGrandChild->layerTreeHost());
+
+ // Test over, cleanup time.
+ firstLayerTreeHost->setRootLayer(0);
+ secondLayerTreeHost->setRootLayer(0);
+ firstLayerTreeHost.clear();
+ secondLayerTreeHost.clear();
+ WebKit::WebCompositor::shutdown();
+}
+
+TEST(LayerChromiumLayerTreeHostTest, replaceMaskAndReplicaLayer)
+{
+ WebKit::WebCompositor::initialize(0);
+ RefPtr<LayerChromium> parent = LayerChromium::create();
+ RefPtr<LayerChromium> mask = LayerChromium::create();
+ RefPtr<LayerChromium> replica = LayerChromium::create();
+ RefPtr<LayerChromium> maskChild = LayerChromium::create();
+ RefPtr<LayerChromium> replicaChild = LayerChromium::create();
+ RefPtr<LayerChromium> maskReplacement = LayerChromium::create();
+ RefPtr<LayerChromium> replicaReplacement = LayerChromium::create();
+
+ parent->setMaskLayer(mask.get());
+ parent->setReplicaLayer(replica.get());
+ mask->addChild(maskChild);
+ replica->addChild(replicaChild);
+
+ OwnPtr<FakeCCLayerTreeHost> layerTreeHost(FakeCCLayerTreeHost::create());
+ layerTreeHost->setRootLayer(parent.get());
+
+ assertLayerTreeHostMatchesForSubtree(parent.get(), layerTreeHost.get());
+
+ // Replacing the mask should clear out the old mask's subtree's host pointers.
+ parent->setMaskLayer(maskReplacement.get());
+ EXPECT_EQ(0, mask->layerTreeHost());
+ EXPECT_EQ(0, maskChild->layerTreeHost());
+
+ // Same for replacing a replica layer.
+ parent->setReplicaLayer(replicaReplacement.get());
+ EXPECT_EQ(0, replica->layerTreeHost());
+ EXPECT_EQ(0, replicaChild->layerTreeHost());
+
+ // Test over, cleanup time.
+ layerTreeHost->setRootLayer(0);
+ layerTreeHost.clear();
+ WebKit::WebCompositor::shutdown();
+}
+
+TEST(LayerChromiumLayerTreeHostTest, destroyHostWithNonNullRootLayer)
+{
+ WebKit::WebCompositor::initialize(0);
+ RefPtr<LayerChromium> root = LayerChromium::create();
+ RefPtr<LayerChromium> child = LayerChromium::create();
+ root->addChild(child);
+ OwnPtr<FakeCCLayerTreeHost> layerTreeHost(FakeCCLayerTreeHost::create());
+ layerTreeHost->setRootLayer(root);
+ layerTreeHost.clear();
+ WebKit::WebCompositor::shutdown();
+}
+
+class MockLayerChromium : public LayerChromium {
+public:
+ bool needsDisplay() const { return m_needsDisplay; }
+};
+
+TEST(LayerChromiumTestWithoutFixture, setBoundsTriggersSetNeedsRedrawAfterGettingNonEmptyBounds)
+{
+ RefPtr<MockLayerChromium> layer(adoptRef(new MockLayerChromium));
+ EXPECT_FALSE(layer->needsDisplay());
+ layer->setBounds(IntSize(0, 10));
+ EXPECT_FALSE(layer->needsDisplay());
+ layer->setBounds(IntSize(10, 10));
+ EXPECT_TRUE(layer->needsDisplay());
+}
+
+
+} // namespace
