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29 #include "platform/LifecycleContext.h"
31 #include "platform/LifecycleNotifier.h"
32 #include <gtest/gtest.h>
34 using namespace blink;
37 class DummyContext : public LifecycleContext<DummyContext> {
43 template<> void observerContext(DummyContext* context, LifecycleObserver<DummyContext>* observer)
45 context->wasObservedBy(observer);
48 template<> void unobserverContext(DummyContext* context, LifecycleObserver<DummyContext>* observer)
50 context->wasUnobservedBy(observer);
58 class TestingObserver : public LifecycleObserver<DummyContext> {
60 TestingObserver(DummyContext* context)
61 : LifecycleObserver<DummyContext>(context)
62 , m_contextDestroyedCalled(false)
65 virtual void contextDestroyed() override
67 LifecycleObserver<DummyContext>::contextDestroyed();
68 m_contextDestroyedCalled = true;
71 bool m_contextDestroyedCalled;
73 void unobserve() { observeContext(0); }
76 TEST(LifecycleContextTest, shouldObserveContextDestroyed)
78 OwnPtr<DummyContext> context = adoptPtr(new DummyContext());
79 OwnPtr<TestingObserver> observer = adoptPtr(new TestingObserver(context.get()));
81 EXPECT_EQ(observer->lifecycleContext(), context.get());
82 EXPECT_FALSE(observer->m_contextDestroyedCalled);
85 EXPECT_EQ(observer->lifecycleContext(), static_cast<DummyContext*>(0));
86 EXPECT_TRUE(observer->m_contextDestroyedCalled);
89 TEST(LifecycleContextTest, shouldNotObserveContextDestroyedIfUnobserve)
91 OwnPtr<DummyContext> context = adoptPtr(new DummyContext());
92 OwnPtr<TestingObserver> observer = adoptPtr(new TestingObserver(context.get()));
94 observer->unobserve();
96 EXPECT_EQ(observer->lifecycleContext(), static_cast<DummyContext*>(0));
97 EXPECT_FALSE(observer->m_contextDestroyedCalled);