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diff --git a/Tools/TestWebKitAPI/Tests/WTF/RefPtr.cpp b/Tools/TestWebKitAPI/Tests/WTF/RefPtr.cpp
new file mode 100644
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+++ b/Tools/TestWebKitAPI/Tests/WTF/RefPtr.cpp
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+/*
+ * Copyright (C) 2013 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 "RefLogger.h"
+#include <wtf/RefPtr.h>
+
+namespace TestWebKitAPI {
+
+TEST(WTF_RefPtr, Basic)
+{
+    DerivedRefLogger a("a");
+
+    RefPtr<RefLogger> empty;
+    ASSERT_EQ(nullptr, empty.get());
+
+    {
+        RefPtr<RefLogger> ptr(&a);
+        ASSERT_EQ(&a, ptr.get());
+        ASSERT_EQ(&a, &*ptr);
+        ASSERT_EQ(&a.name, &ptr->name);
+    }
+    ASSERT_STREQ("ref(a) deref(a) ", takeLogStr().c_str());
+
+    {
+        RefPtr<RefLogger> ptr = &a;
+        ASSERT_EQ(&a, ptr.get());
+    }
+    ASSERT_STREQ("ref(a) deref(a) ", takeLogStr().c_str());
+
+    {
+        RefPtr<RefLogger> p1 = &a;
+        RefPtr<RefLogger> p2(p1);
+        ASSERT_EQ(&a, p1.get());
+        ASSERT_EQ(&a, p2.get());
+    }
+    ASSERT_STREQ("ref(a) ref(a) deref(a) deref(a) ", takeLogStr().c_str());
+
+    {
+        RefPtr<RefLogger> p1 = &a;
+        RefPtr<RefLogger> p2 = p1;
+        ASSERT_EQ(&a, p1.get());
+        ASSERT_EQ(&a, p2.get());
+    }
+    ASSERT_STREQ("ref(a) ref(a) deref(a) deref(a) ", takeLogStr().c_str());
+
+    {
+        RefPtr<RefLogger> p1 = &a;
+        RefPtr<RefLogger> p2 = WTFMove(p1);
+        ASSERT_EQ(nullptr, p1.get());
+        ASSERT_EQ(&a, p2.get());
+    }
+    ASSERT_STREQ("ref(a) deref(a) ", takeLogStr().c_str());
+
+    {
+        RefPtr<RefLogger> p1 = &a;
+        RefPtr<RefLogger> p2(WTFMove(p1));
+        ASSERT_EQ(nullptr, p1.get());
+        ASSERT_EQ(&a, p2.get());
+    }
+    ASSERT_STREQ("ref(a) deref(a) ", takeLogStr().c_str());
+
+    {
+        RefPtr<DerivedRefLogger> p1 = &a;
+        RefPtr<RefLogger> p2 = p1;
+        ASSERT_EQ(&a, p1.get());
+        ASSERT_EQ(&a, p2.get());
+    }
+    ASSERT_STREQ("ref(a) ref(a) deref(a) deref(a) ", takeLogStr().c_str());
+
+    {
+        RefPtr<DerivedRefLogger> p1 = &a;
+        RefPtr<RefLogger> p2 = WTFMove(p1);
+        ASSERT_EQ(nullptr, p1.get());
+        ASSERT_EQ(&a, p2.get());
+    }
+    ASSERT_STREQ("ref(a) deref(a) ", takeLogStr().c_str());
+
+    {
+        RefPtr<RefLogger> ptr(&a);
+        ASSERT_EQ(&a, ptr.get());
+        ptr = nullptr;
+        ASSERT_EQ(nullptr, ptr.get());
+    }
+    ASSERT_STREQ("ref(a) deref(a) ", takeLogStr().c_str());
+
+    {
+        RefPtr<RefLogger> ptr(&a);
+        ASSERT_EQ(&a, ptr.get());
+        ptr.release();
+        ASSERT_EQ(nullptr, ptr.get());
+    }
+    ASSERT_STREQ("ref(a) deref(a) ", takeLogStr().c_str());
+}
+
+TEST(WTF_RefPtr, AssignPassRefToRefPtr)
+{
+    DerivedRefLogger a("a");
+    {
+        Ref<RefLogger> passRef(a);
+        RefPtr<RefLogger> ptr = WTFMove(passRef);
+        ASSERT_EQ(&a, ptr.get());
+        ptr.release();
+        ASSERT_EQ(nullptr, ptr.get());
+    }
+    ASSERT_STREQ("ref(a) deref(a) ", takeLogStr().c_str());
+}
+
+TEST(WTF_RefPtr, Adopt)
+{
+    DerivedRefLogger a("a");
+
+    RefPtr<RefLogger> empty;
+    ASSERT_EQ(nullptr, empty.get());
+
+    {
+        RefPtr<RefLogger> ptr(adoptRef(&a));
+        ASSERT_EQ(&a, ptr.get());
+        ASSERT_EQ(&a, &*ptr);
+        ASSERT_EQ(&a.name, &ptr->name);
+    }
+    ASSERT_STREQ("deref(a) ", takeLogStr().c_str());
+
+    {
+        RefPtr<RefLogger> ptr = adoptRef(&a);
+        ASSERT_EQ(&a, ptr.get());
+    }
+    ASSERT_STREQ("deref(a) ", takeLogStr().c_str());
+}
+
+TEST(WTF_RefPtr, Assignment)
+{
+    DerivedRefLogger a("a");
+    RefLogger b("b");
+    DerivedRefLogger c("c");
+
+    {
+        RefPtr<RefLogger> p1(&a);
+        RefPtr<RefLogger> p2(&b);
+        ASSERT_EQ(&a, p1.get());
+        ASSERT_EQ(&b, p2.get());
+        log() << "| ";
+        p1 = p2;
+        ASSERT_EQ(&b, p1.get());
+        ASSERT_EQ(&b, p2.get());
+        log() << "| ";
+    }
+    ASSERT_STREQ("ref(a) ref(b) | ref(b) deref(a) | deref(b) deref(b) ", takeLogStr().c_str());
+
+    {
+        RefPtr<RefLogger> ptr(&a);
+        ASSERT_EQ(&a, ptr.get());
+        log() << "| ";
+        ptr = &b;
+        ASSERT_EQ(&b, ptr.get());
+        log() << "| ";
+    }
+    ASSERT_STREQ("ref(a) | ref(b) deref(a) | deref(b) ", takeLogStr().c_str());
+
+    {
+        RefPtr<RefLogger> ptr(&a);
+        ASSERT_EQ(&a, ptr.get());
+        log() << "| ";
+        ptr = adoptRef(&b);
+        ASSERT_EQ(&b, ptr.get());
+        log() << "| ";
+    }
+    ASSERT_STREQ("ref(a) | deref(a) | deref(b) ", takeLogStr().c_str());
+
+    {
+        RefPtr<RefLogger> ptr(&a);
+        ASSERT_EQ(&a, ptr.get());
+        ptr = nullptr;
+        ASSERT_EQ(nullptr, ptr.get());
+    }
+    ASSERT_STREQ("ref(a) deref(a) ", takeLogStr().c_str());
+
+    {
+        RefPtr<RefLogger> p1(&a);
+        RefPtr<RefLogger> p2(&b);
+        ASSERT_EQ(&a, p1.get());
+        ASSERT_EQ(&b, p2.get());
+        log() << "| ";
+        p1 = WTFMove(p2);
+        ASSERT_EQ(&b, p1.get());
+        ASSERT_EQ(nullptr, p2.get());
+        log() << "| ";
+    }
+    ASSERT_STREQ("ref(a) ref(b) | deref(a) | deref(b) ", takeLogStr().c_str());
+
+    {
+        RefPtr<RefLogger> p1(&a);
+        RefPtr<DerivedRefLogger> p2(&c);
+        ASSERT_EQ(&a, p1.get());
+        ASSERT_EQ(&c, p2.get());
+        log() << "| ";
+        p1 = p2;
+        ASSERT_EQ(&c, p1.get());
+        ASSERT_EQ(&c, p2.get());
+        log() << "| ";
+    }
+    ASSERT_STREQ("ref(a) ref(c) | ref(c) deref(a) | deref(c) deref(c) ", takeLogStr().c_str());
+
+    {
+        RefPtr<RefLogger> ptr(&a);
+        ASSERT_EQ(&a, ptr.get());
+        log() << "| ";
+        ptr = &c;
+        ASSERT_EQ(&c, ptr.get());
+        log() << "| ";
+    }
+    ASSERT_STREQ("ref(a) | ref(c) deref(a) | deref(c) ", takeLogStr().c_str());
+
+    {
+        RefPtr<RefLogger> ptr(&a);
+        ASSERT_EQ(&a, ptr.get());
+        log() << "| ";
+        ptr = adoptRef(&c);
+        ASSERT_EQ(&c, ptr.get());
+        log() << "| ";
+    }
+    ASSERT_STREQ("ref(a) | deref(a) | deref(c) ", takeLogStr().c_str());
+
+    {
+        RefPtr<RefLogger> p1(&a);
+        RefPtr<DerivedRefLogger> p2(&c);
+        ASSERT_EQ(&a, p1.get());
+        ASSERT_EQ(&c, p2.get());
+        log() << "| ";
+        p1 = WTFMove(p2);
+        ASSERT_EQ(&c, p1.get());
+        ASSERT_EQ(nullptr, p2.get());
+        log() << "| ";
+    }
+    ASSERT_STREQ("ref(a) ref(c) | deref(a) | deref(c) ", takeLogStr().c_str());
+
+    {
+        RefPtr<RefLogger> ptr(&a);
+        ASSERT_EQ(&a, ptr.get());
+        log() << "| ";
+        ptr = ptr;
+        ASSERT_EQ(&a, ptr.get());
+        log() << "| ";
+    }
+    ASSERT_STREQ("ref(a) | ref(a) deref(a) | deref(a) ", takeLogStr().c_str());
+
+    {
+        RefPtr<RefLogger> ptr(&a);
+        ASSERT_EQ(&a, ptr.get());
+#if COMPILER(CLANG)
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wunknown-pragmas"
+#pragma clang diagnostic ignored "-Wself-move"
+#endif
+        ptr = WTFMove(ptr);
+#if COMPILER(CLANG)
+#pragma clang diagnostic pop
+#endif
+        ASSERT_EQ(&a, ptr.get());
+    }
+    ASSERT_STREQ("ref(a) deref(a) ", takeLogStr().c_str());
+}
+
+TEST(WTF_RefPtr, Swap)
+{
+    RefLogger a("a");
+    RefLogger b("b");
+
+    {
+        RefPtr<RefLogger> p1(&a);
+        RefPtr<RefLogger> p2(&b);
+        ASSERT_EQ(&a, p1.get());
+        ASSERT_EQ(&b, p2.get());
+        p1.swap(p2);
+        ASSERT_EQ(&b, p1.get());
+        ASSERT_EQ(&a, p2.get());
+        log() << "| ";
+    }
+    ASSERT_STREQ("ref(a) ref(b) | deref(a) deref(b) ", takeLogStr().c_str());
+
+    {
+        RefPtr<RefLogger> p1(&a);
+        RefPtr<RefLogger> p2(&b);
+        ASSERT_EQ(&a, p1.get());
+        ASSERT_EQ(&b, p2.get());
+        std::swap(p1, p2);
+        ASSERT_EQ(&b, p1.get());
+        ASSERT_EQ(&a, p2.get());
+        log() << "| ";
+    }
+    ASSERT_STREQ("ref(a) ref(b) | deref(a) deref(b) ", takeLogStr().c_str());
+}
+
+TEST(WTF_RefPtr, ReleaseNonNull)
+{
+    RefLogger a("a");
+
+    {
+        RefPtr<RefLogger> refPtr = &a;
+        RefPtr<RefLogger> ref = refPtr.releaseNonNull();
+    }
+
+    ASSERT_STREQ("ref(a) deref(a) ", takeLogStr().c_str());
+}
+
+TEST(WTF_RefPtr, Release)
+{
+    DerivedRefLogger a("a");
+    RefLogger b("b");
+    DerivedRefLogger c("c");
+
+    {
+        RefPtr<RefLogger> p1 = &a;
+        RefPtr<RefLogger> p2 = p1.release();
+        ASSERT_EQ(nullptr, p1.get());
+        ASSERT_EQ(&a, p2.get());
+    }
+    ASSERT_STREQ("ref(a) deref(a) ", takeLogStr().c_str());
+
+    {
+        RefPtr<RefLogger> p1 = &a;
+        RefPtr<RefLogger> p2(p1.release());
+        ASSERT_EQ(nullptr, p1.get());
+        ASSERT_EQ(&a, p2.get());
+    }
+    ASSERT_STREQ("ref(a) deref(a) ", takeLogStr().c_str());
+
+    {
+        RefPtr<DerivedRefLogger> p1 = &a;
+        RefPtr<RefLogger> p2 = p1.release();
+        ASSERT_EQ(nullptr, p1.get());
+        ASSERT_EQ(&a, p2.get());
+    }
+    ASSERT_STREQ("ref(a) deref(a) ", takeLogStr().c_str());
+
+    {
+        RefPtr<RefLogger> p1(&a);
+        RefPtr<RefLogger> p2(&b);
+        ASSERT_EQ(&a, p1.get());
+        ASSERT_EQ(&b, p2.get());
+        log() << "| ";
+        p1 = p2.release();
+        ASSERT_EQ(&b, p1.get());
+        ASSERT_EQ(nullptr, p2.get());
+        log() << "| ";
+    }
+    ASSERT_STREQ("ref(a) ref(b) | deref(a) | deref(b) ", takeLogStr().c_str());
+
+    {
+        RefPtr<RefLogger> p1(&a);
+        RefPtr<DerivedRefLogger> p2(&c);
+        ASSERT_EQ(&a, p1.get());
+        ASSERT_EQ(&c, p2.get());
+        log() << "| ";
+        p1 = p2.release();
+        ASSERT_EQ(&c, p1.get());
+        ASSERT_EQ(nullptr, p2.get());
+        log() << "| ";
+    }
+    ASSERT_STREQ("ref(a) ref(c) | deref(a) | deref(c) ", takeLogStr().c_str());
+}
+
+RefPtr<RefLogger> f1(RefLogger& logger)
+{
+    return RefPtr<RefLogger>(&logger);
+}
+
+TEST(WTF_RefPtr, ReturnValue)
+{
+    DerivedRefLogger a("a");
+
+    {
+        f1(a);
+    }
+    ASSERT_STREQ("ref(a) deref(a) ", takeLogStr().c_str());
+
+    {
+        auto ptr = f1(a);
+    }
+    ASSERT_STREQ("ref(a) deref(a) ", takeLogStr().c_str());
+}
+
+} // namespace TestWebKitAPI