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/*
* Copyright (C) 2013 Google Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include "config.h"
#include "platform/LifecycleContext.h"
#include "platform/LifecycleNotifier.h"
#include "platform/heap/Handle.h"
#include <gtest/gtest.h>
using namespace blink;
namespace blink {
class DummyContext : public LifecycleContext<DummyContext> {
public:
PassOwnPtr<LifecycleNotifier<DummyContext>> createLifecycleNotifier()
{
return LifecycleNotifier<DummyContext>::create(this);
}
LifecycleNotifier<DummyContext>& lifecycleNotifier()
{
return static_cast<LifecycleNotifier<DummyContext>&>(LifecycleContext<DummyContext>::lifecycleNotifier());
}
private:
OwnPtr<LifecycleNotifier<DummyContext>> m_lifecycleNotifier;
};
template<> void observerContext(DummyContext* context, LifecycleObserver<DummyContext>* observer)
{
context->wasObservedBy(observer);
}
template<> void unobserverContext(DummyContext* context, LifecycleObserver<DummyContext>* observer)
{
context->wasUnobservedBy(observer);
}
class TestingObserver final : public GarbageCollectedFinalized<TestingObserver>, public LifecycleObserver<DummyContext> {
WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(TestingObserver);
public:
explicit TestingObserver(DummyContext* context)
: LifecycleObserver<DummyContext>(context)
, m_contextDestroyedCalled(false)
{ }
virtual void contextDestroyed() override
{
LifecycleObserver<DummyContext>::contextDestroyed();
m_contextDestroyedCalled = true;
}
void trace(Visitor* visitor)
{
LifecycleObserver<DummyContext>::trace(visitor);
}
bool m_contextDestroyedCalled;
void unobserve() { observeContext(0); }
};
TEST(LifecycleContextTest, shouldObserveContextDestroyed)
{
OwnPtr<DummyContext> context = adoptPtr(new DummyContext());
TestingObserver* observer = new TestingObserver(context.get());
EXPECT_EQ(observer->lifecycleContext(), context.get());
EXPECT_FALSE(observer->m_contextDestroyedCalled);
context->notifyContextDestroyed();
context.clear();
EXPECT_EQ(observer->lifecycleContext(), static_cast<DummyContext*>(0));
EXPECT_TRUE(observer->m_contextDestroyedCalled);
}
TEST(LifecycleContextTest, shouldNotObserveContextDestroyedIfUnobserve)
{
OwnPtr<DummyContext> context = adoptPtr(new DummyContext());
TestingObserver* observer = new TestingObserver(context.get());
observer->unobserve();
context->notifyContextDestroyed();
context.clear();
EXPECT_EQ(observer->lifecycleContext(), static_cast<DummyContext*>(0));
EXPECT_FALSE(observer->m_contextDestroyedCalled);
}
}
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