root/Source/core/dom/DocumentTest.cpp

DEFINITIONS

1. document
2. page
3. SetUp
4. TEST_F

/*
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#include "config.h"
#include "core/dom/Document.h"

#include "core/testing/DummyPageHolder.h"
#include <gmock/gmock.h>
#include <gtest/gtest.h>

using namespace WebCore;

namespace {

class DocumentTest : public ::testing::Test {
protected:
    virtual void SetUp() OVERRIDE;

    Document& document() const { return m_dummyPageHolder->document(); }
    Page& page() const { return m_dummyPageHolder->page(); }

private:
    OwnPtr<DummyPageHolder> m_dummyPageHolder;
};

void DocumentTest::SetUp()
{
    m_dummyPageHolder = DummyPageHolder::create(IntSize(800, 600));
}

class MockDocumentVisibilityObserver : public DocumentVisibilityObserver {
public:
    MockDocumentVisibilityObserver(Document& document) : DocumentVisibilityObserver(document) { }

    MOCK_METHOD1(didChangeVisibilityState, void(PageVisibilityState));
};

TEST_F(DocumentTest, VisibilityOberver)
{
    page().setVisibilityState(PageVisibilityStateVisible, true); // initial state
    MockDocumentVisibilityObserver observer1(document());

    {
        MockDocumentVisibilityObserver observer2(document());
        EXPECT_CALL(observer1, didChangeVisibilityState(PageVisibilityStateHidden)).Times(0);
        EXPECT_CALL(observer1, didChangeVisibilityState(PageVisibilityStateVisible)).Times(0);
        EXPECT_CALL(observer2, didChangeVisibilityState(PageVisibilityStateHidden)).Times(0);
        EXPECT_CALL(observer2, didChangeVisibilityState(PageVisibilityStateVisible)).Times(0);
        ::testing::Mock::VerifyAndClearExpectations(&observer1);
        ::testing::Mock::VerifyAndClearExpectations(&observer2);

        EXPECT_CALL(observer1, didChangeVisibilityState(PageVisibilityStateHidden)).Times(1);
        EXPECT_CALL(observer1, didChangeVisibilityState(PageVisibilityStateVisible)).Times(0);
        EXPECT_CALL(observer2, didChangeVisibilityState(PageVisibilityStateHidden)).Times(1);
        EXPECT_CALL(observer2, didChangeVisibilityState(PageVisibilityStateVisible)).Times(0);
        page().setVisibilityState(PageVisibilityStateHidden, false);
        ::testing::Mock::VerifyAndClearExpectations(&observer1);
        ::testing::Mock::VerifyAndClearExpectations(&observer2);

        EXPECT_CALL(observer1, didChangeVisibilityState(PageVisibilityStateHidden)).Times(0);
        EXPECT_CALL(observer1, didChangeVisibilityState(PageVisibilityStateVisible)).Times(0);
        EXPECT_CALL(observer2, didChangeVisibilityState(PageVisibilityStateHidden)).Times(0);
        EXPECT_CALL(observer2, didChangeVisibilityState(PageVisibilityStateVisible)).Times(0);
        page().setVisibilityState(PageVisibilityStateHidden, false);
        ::testing::Mock::VerifyAndClearExpectations(&observer1);
        ::testing::Mock::VerifyAndClearExpectations(&observer2);

        EXPECT_CALL(observer1, didChangeVisibilityState(PageVisibilityStateHidden)).Times(0);
        EXPECT_CALL(observer1, didChangeVisibilityState(PageVisibilityStateVisible)).Times(1);
        EXPECT_CALL(observer2, didChangeVisibilityState(PageVisibilityStateHidden)).Times(0);
        EXPECT_CALL(observer2, didChangeVisibilityState(PageVisibilityStateVisible)).Times(0);
        OwnPtr<DummyPageHolder> alternatePage = DummyPageHolder::create(IntSize(800, 600));
        Document& alternateDocument = alternatePage->document();
        observer2.setObservedDocument(alternateDocument);
        page().setVisibilityState(PageVisibilityStateVisible, false);
        ::testing::Mock::VerifyAndClearExpectations(&observer1);
        ::testing::Mock::VerifyAndClearExpectations(&observer2);

        EXPECT_CALL(observer1, didChangeVisibilityState(PageVisibilityStateHidden)).Times(1);
        EXPECT_CALL(observer1, didChangeVisibilityState(PageVisibilityStateVisible)).Times(0);
        EXPECT_CALL(observer2, didChangeVisibilityState(PageVisibilityStateHidden)).Times(1);
        EXPECT_CALL(observer2, didChangeVisibilityState(PageVisibilityStateVisible)).Times(0);
        observer2.setObservedDocument(document());
        page().setVisibilityState(PageVisibilityStateHidden, false);
        ::testing::Mock::VerifyAndClearExpectations(&observer1);
        ::testing::Mock::VerifyAndClearExpectations(&observer2);
    }

    // observer2 destroyed
    EXPECT_CALL(observer1, didChangeVisibilityState(PageVisibilityStateHidden)).Times(0);
    EXPECT_CALL(observer1, didChangeVisibilityState(PageVisibilityStateVisible)).Times(1);
    page().setVisibilityState(PageVisibilityStateVisible, false);
}

} // unnamed namespace