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diff --git a/Tools/TestWebKitAPI/Tests/WTF/WeakPtr.cpp b/Tools/TestWebKitAPI/Tests/WTF/WeakPtr.cpp
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+/*
+ * Copyright (C) 2015 Apple 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 INC. AND ITS CONTRIBUTORS ``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 INC. OR ITS 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 "Test.h"
+#include <wtf/WeakPtr.h>
+
+namespace TestWebKitAPI {
+
+TEST(WTF_WeakPtr, Basic)
+{
+ int dummy = 5;
+ WeakPtrFactory<int>* factory = new WeakPtrFactory<int>(&dummy);
+ WeakPtr<int> weakPtr1 = factory->createWeakPtr();
+ WeakPtr<int> weakPtr2 = factory->createWeakPtr();
+ WeakPtr<int> weakPtr3 = factory->createWeakPtr();
+ EXPECT_EQ(weakPtr1.get(), &dummy);
+ EXPECT_EQ(weakPtr2.get(), &dummy);
+ EXPECT_EQ(weakPtr3.get(), &dummy);
+ EXPECT_TRUE(weakPtr1);
+ EXPECT_TRUE(weakPtr2);
+ EXPECT_TRUE(weakPtr3);
+ EXPECT_TRUE(weakPtr1 == weakPtr2);
+ EXPECT_TRUE(weakPtr1 == &dummy);
+ EXPECT_TRUE(&dummy == weakPtr2);
+ delete factory;
+ EXPECT_NULL(weakPtr1.get());
+ EXPECT_NULL(weakPtr2.get());
+ EXPECT_NULL(weakPtr3.get());
+ EXPECT_FALSE(weakPtr1);
+ EXPECT_FALSE(weakPtr2);
+ EXPECT_FALSE(weakPtr3);
+}
+
+TEST(WTF_WeakPtr, Assignment)
+{
+ int dummy = 5;
+ WeakPtr<int> weakPtr;
+ {
+ WeakPtrFactory<int> factory(&dummy);
+ EXPECT_NULL(weakPtr.get());
+ weakPtr = factory.createWeakPtr();
+ EXPECT_EQ(weakPtr.get(), &dummy);
+ }
+ EXPECT_NULL(weakPtr.get());
+}
+
+TEST(WTF_WeakPtr, MultipleFactories)
+{
+ int dummy1 = 5;
+ int dummy2 = 7;
+ WeakPtrFactory<int>* factory1 = new WeakPtrFactory<int>(&dummy1);
+ WeakPtrFactory<int>* factory2 = new WeakPtrFactory<int>(&dummy2);
+ WeakPtr<int> weakPtr1 = factory1->createWeakPtr();
+ WeakPtr<int> weakPtr2 = factory2->createWeakPtr();
+ EXPECT_EQ(weakPtr1.get(), &dummy1);
+ EXPECT_EQ(weakPtr2.get(), &dummy2);
+ EXPECT_TRUE(weakPtr1 != weakPtr2);
+ EXPECT_TRUE(weakPtr1 != &dummy2);
+ EXPECT_TRUE(&dummy1 != weakPtr2);
+ delete factory1;
+ EXPECT_NULL(weakPtr1.get());
+ EXPECT_EQ(weakPtr2.get(), &dummy2);
+ delete factory2;
+ EXPECT_NULL(weakPtr2.get());
+}
+
+TEST(WTF_WeakPtr, RevokeAll)
+{
+ int dummy = 5;
+ WeakPtrFactory<int> factory(&dummy);
+ WeakPtr<int> weakPtr1 = factory.createWeakPtr();
+ WeakPtr<int> weakPtr2 = factory.createWeakPtr();
+ WeakPtr<int> weakPtr3 = factory.createWeakPtr();
+ EXPECT_EQ(weakPtr1.get(), &dummy);
+ EXPECT_EQ(weakPtr2.get(), &dummy);
+ EXPECT_EQ(weakPtr3.get(), &dummy);
+ factory.revokeAll();
+ EXPECT_NULL(weakPtr1.get());
+ EXPECT_NULL(weakPtr2.get());
+ EXPECT_NULL(weakPtr3.get());
+}
+
+TEST(WTF_WeakPtr, NullFactory)
+{
+ WeakPtrFactory<int> factory(nullptr);
+ WeakPtr<int> weakPtr = factory.createWeakPtr();
+ EXPECT_NULL(weakPtr.get());
+ factory.revokeAll();
+ EXPECT_NULL(weakPtr.get());
+}
+
+struct Foo {
+ void bar() { };
+};
+
+TEST(WTF_WeakPtr, Dereference)
+{
+ Foo f;
+ WeakPtrFactory<Foo> factory(&f);
+ WeakPtr<Foo> weakPtr = factory.createWeakPtr();
+ weakPtr->bar();
+}
+
+TEST(WTF_WeakPtr, Forget)
+{
+ int dummy = 5;
+ int dummy2 = 7;
+
+ WeakPtrFactory<int> outerFactory(&dummy2);
+ WeakPtr<int> weakPtr1, weakPtr2, weakPtr3, weakPtr4;
+ {
+ WeakPtrFactory<int> innerFactory(&dummy);
+ weakPtr1 = innerFactory.createWeakPtr();
+ weakPtr2 = innerFactory.createWeakPtr();
+ weakPtr3 = innerFactory.createWeakPtr();
+ EXPECT_EQ(weakPtr1.get(), &dummy);
+ EXPECT_EQ(weakPtr2.get(), &dummy);
+ EXPECT_EQ(weakPtr3.get(), &dummy);
+ weakPtr1.clear();
+ weakPtr3 = nullptr;
+ EXPECT_NULL(weakPtr1.get());
+ EXPECT_EQ(weakPtr2.get(), &dummy);
+ EXPECT_NULL(weakPtr3.get());
+ weakPtr1.clear();
+ weakPtr3.clear();
+ EXPECT_NULL(weakPtr1.get());
+ EXPECT_EQ(weakPtr2.get(), &dummy);
+ EXPECT_NULL(weakPtr3.get());
+ weakPtr3 = nullptr;
+ EXPECT_NULL(weakPtr1.get());
+ EXPECT_EQ(weakPtr2.get(), &dummy);
+ EXPECT_NULL(weakPtr3.get());
+
+ weakPtr4 = weakPtr2;
+ EXPECT_EQ(weakPtr2.get(), &dummy);
+ EXPECT_EQ(weakPtr4.get(), &dummy);
+
+ WeakPtr<int> weakPtr5 = weakPtr2;
+ EXPECT_EQ(weakPtr2.get(), &dummy);
+ EXPECT_EQ(weakPtr5.get(), &dummy);
+ weakPtr5.clear();
+ EXPECT_NULL(weakPtr5.get());
+ EXPECT_EQ(weakPtr2.get(), &dummy);
+
+ weakPtr4 = outerFactory.createWeakPtr();
+ EXPECT_EQ(weakPtr2.get(), &dummy);
+ EXPECT_EQ(weakPtr4.get(), &dummy2);
+ }
+
+ EXPECT_NULL(weakPtr1.get());
+ EXPECT_NULL(weakPtr2.get());
+ EXPECT_EQ(weakPtr4.get(), &dummy2);
+
+ WeakPtr<int> weakPtr5 = weakPtr4;
+ EXPECT_EQ(weakPtr4.get(), &dummy2);
+ EXPECT_EQ(weakPtr5.get(), &dummy2);
+ weakPtr5.clear();
+ EXPECT_NULL(weakPtr5.get());
+ WeakPtr<int> weakPtr6 = weakPtr5;
+ EXPECT_NULL(weakPtr6.get());
+ EXPECT_EQ(weakPtr5.get(), weakPtr6.get());
+
+ WeakPtr<int> weakPtr7 = outerFactory.createWeakPtr();
+ EXPECT_EQ(weakPtr7.get(), &dummy2);
+ weakPtr7 = nullptr;
+ EXPECT_NULL(weakPtr7.get());
+}
+
+} // namespace TestWebKitAPI
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