Source/core/dom/ActiveDOMObjectTest.cpp

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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 MockActiveDOMObject : public ActiveDOMObject {
public:
    MockActiveDOMObject(ExecutionContext* context) : ActiveDOMObject(context) { }

    MOCK_METHOD0(suspend, void());
    MOCK_METHOD0(resume, void());
    MOCK_METHOD0(stop, void());
};

class ActiveDOMObjectTest : public ::testing::Test {
protected:
    ActiveDOMObjectTest();

    Document& srcDocument() const { return m_srcPageHolder->document(); }
    Document& destDocument() const { return m_destPageHolder->document(); }
    MockActiveDOMObject& activeDOMObject() { return m_activeDOMObject; }

private:
    OwnPtr<DummyPageHolder> m_srcPageHolder;
    OwnPtr<DummyPageHolder> m_destPageHolder;
    MockActiveDOMObject m_activeDOMObject;
};

ActiveDOMObjectTest::ActiveDOMObjectTest()
    : m_srcPageHolder(DummyPageHolder::create(IntSize(800, 600)))
    , m_destPageHolder(DummyPageHolder::create(IntSize(800, 600)))
    , m_activeDOMObject(&m_srcPageHolder->document())
{
    m_activeDOMObject.suspendIfNeeded();
}

TEST_F(ActiveDOMObjectTest, NewContextObserved)
{
    unsigned initialSrcCount = srcDocument().activeDOMObjectCount();
    unsigned initialDestCount = destDocument().activeDOMObjectCount();

    EXPECT_CALL(activeDOMObject(), resume());
    activeDOMObject().didMoveToNewExecutionContext(&destDocument());

    EXPECT_EQ(initialSrcCount - 1, srcDocument().activeDOMObjectCount());
    EXPECT_EQ(initialDestCount + 1, destDocument().activeDOMObjectCount());
}

TEST_F(ActiveDOMObjectTest, MoveToActiveDocument)
{
    EXPECT_CALL(activeDOMObject(), resume());
    activeDOMObject().didMoveToNewExecutionContext(&destDocument());
}

TEST_F(ActiveDOMObjectTest, MoveToSuspendedDocument)
{
    destDocument().suspendScheduledTasks();

    EXPECT_CALL(activeDOMObject(), suspend());
    activeDOMObject().didMoveToNewExecutionContext(&destDocument());
}

TEST_F(ActiveDOMObjectTest, MoveToStoppedDocument)
{
    destDocument().detach();

    EXPECT_CALL(activeDOMObject(), stop());
    activeDOMObject().didMoveToNewExecutionContext(&destDocument());
}

} // unnamed namespace