src/third_party/WebKit/Source/core/dom/DocumentTest.cpp

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  30
  31 #include "config.h"
  32 #include "core/dom/Document.h"
  33
  34 #include "core/testing/DummyPageHolder.h"
  35 #include <gmock/gmock.h>
  36 #include <gtest/gtest.h>
  37
  38 using namespace WebCore;
  39
  40 namespace {
  41
  42 class DocumentTest : public ::testing::Test {
  43 protected:
  44     virtual void SetUp() OVERRIDE;
  45
  46     Document& document() const { return m_dummyPageHolder->document(); }
  47     Page& page() const { return m_dummyPageHolder->page(); }
  48
  49 private:
  50     OwnPtr<DummyPageHolder> m_dummyPageHolder;
  51 };
  52
  53 void DocumentTest::SetUp()
  54 {
  55     m_dummyPageHolder = DummyPageHolder::create(IntSize(800, 600));
  56 }
  57
  58 class MockDocumentVisibilityObserver
  59     : public NoBaseWillBeGarbageCollectedFinalized<MockDocumentVisibilityObserver>
  60     , public DocumentVisibilityObserver {
  61     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(MockDocumentVisibilityObserver);
  62 public:
  63     static PassOwnPtrWillBeRawPtr<MockDocumentVisibilityObserver> create(Document& document)
  64     {
  65         return adoptPtrWillBeNoop(new MockDocumentVisibilityObserver(document));
  66     }
  67
  68     virtual void trace(Visitor*) { }
  69
  70     MOCK_METHOD1(didChangeVisibilityState, void(PageVisibilityState));
  71
  72 private:
  73     MockDocumentVisibilityObserver(Document& document) : DocumentVisibilityObserver(document) { }
  74 };
  75
  76 TEST_F(DocumentTest, VisibilityOberver)
  77 {
  78     page().setVisibilityState(PageVisibilityStateVisible, true); // initial state
  79     OwnPtrWillBeRawPtr<MockDocumentVisibilityObserver> observer1 = MockDocumentVisibilityObserver::create(document());
  80
  81     {
  82         OwnPtrWillBeRawPtr<MockDocumentVisibilityObserver> observer2 = MockDocumentVisibilityObserver::create(document());
  83         EXPECT_CALL(*observer1, didChangeVisibilityState(PageVisibilityStateHidden)).Times(0);
  84         EXPECT_CALL(*observer1, didChangeVisibilityState(PageVisibilityStateVisible)).Times(0);
  85         EXPECT_CALL(*observer2, didChangeVisibilityState(PageVisibilityStateHidden)).Times(0);
  86         EXPECT_CALL(*observer2, didChangeVisibilityState(PageVisibilityStateVisible)).Times(0);
  87         ::testing::Mock::VerifyAndClearExpectations(observer1.get());
  88         ::testing::Mock::VerifyAndClearExpectations(observer2.get());
  89
  90         EXPECT_CALL(*observer1, didChangeVisibilityState(PageVisibilityStateHidden)).Times(1);
  91         EXPECT_CALL(*observer1, didChangeVisibilityState(PageVisibilityStateVisible)).Times(0);
  92         EXPECT_CALL(*observer2, didChangeVisibilityState(PageVisibilityStateHidden)).Times(1);
  93         EXPECT_CALL(*observer2, didChangeVisibilityState(PageVisibilityStateVisible)).Times(0);
  94         page().setVisibilityState(PageVisibilityStateHidden, false);
  95         ::testing::Mock::VerifyAndClearExpectations(observer1.get());
  96         ::testing::Mock::VerifyAndClearExpectations(observer2.get());
  97
  98         EXPECT_CALL(*observer1, didChangeVisibilityState(PageVisibilityStateHidden)).Times(0);
  99         EXPECT_CALL(*observer1, didChangeVisibilityState(PageVisibilityStateVisible)).Times(0);
 100         EXPECT_CALL(*observer2, didChangeVisibilityState(PageVisibilityStateHidden)).Times(0);
 101         EXPECT_CALL(*observer2, didChangeVisibilityState(PageVisibilityStateVisible)).Times(0);
 102         page().setVisibilityState(PageVisibilityStateHidden, false);
 103         ::testing::Mock::VerifyAndClearExpectations(observer1.get());
 104         ::testing::Mock::VerifyAndClearExpectations(observer2.get());
 105
 106         EXPECT_CALL(*observer1, didChangeVisibilityState(PageVisibilityStateHidden)).Times(0);
 107         EXPECT_CALL(*observer1, didChangeVisibilityState(PageVisibilityStateVisible)).Times(1);
 108         EXPECT_CALL(*observer2, didChangeVisibilityState(PageVisibilityStateHidden)).Times(0);
 109         EXPECT_CALL(*observer2, didChangeVisibilityState(PageVisibilityStateVisible)).Times(0);
 110         OwnPtr<DummyPageHolder> alternatePage = DummyPageHolder::create(IntSize(800, 600));
 111         Document& alternateDocument = alternatePage->document();
 112         observer2->setObservedDocument(alternateDocument);
 113         page().setVisibilityState(PageVisibilityStateVisible, false);
 114         ::testing::Mock::VerifyAndClearExpectations(observer1.get());
 115         ::testing::Mock::VerifyAndClearExpectations(observer2.get());
 116
 117         EXPECT_CALL(*observer1, didChangeVisibilityState(PageVisibilityStateHidden)).Times(1);
 118         EXPECT_CALL(*observer1, didChangeVisibilityState(PageVisibilityStateVisible)).Times(0);
 119         EXPECT_CALL(*observer2, didChangeVisibilityState(PageVisibilityStateHidden)).Times(1);
 120         EXPECT_CALL(*observer2, didChangeVisibilityState(PageVisibilityStateVisible)).Times(0);
 121         observer2->setObservedDocument(document());
 122         page().setVisibilityState(PageVisibilityStateHidden, false);
 123         ::testing::Mock::VerifyAndClearExpectations(observer1.get());
 124         ::testing::Mock::VerifyAndClearExpectations(observer2.get());
 125     }
 126
 127     // observer2 destroyed
 128     EXPECT_CALL(*observer1, didChangeVisibilityState(PageVisibilityStateHidden)).Times(0);
 129     EXPECT_CALL(*observer1, didChangeVisibilityState(PageVisibilityStateVisible)).Times(1);
 130     page().setVisibilityState(PageVisibilityStateVisible, false);
 131 }
 132
 133 } // unnamed namespace