1 files changed, 84 insertions, 0 deletions
diff --git a/Tools/TestWebKitAPI/Tests/WTF/DeletedAddressOfOperator.h b/Tools/TestWebKitAPI/Tests/WTF/DeletedAddressOfOperator.h
new file mode 100644
index 000000000..31d5d80b9
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+++ b/Tools/TestWebKitAPI/Tests/WTF/DeletedAddressOfOperator.h
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2016 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.
+ */
+
+#pragma once
+
+#include <wtf/HashFunctions.h>
+#include <wtf/HashTraits.h>
+
+class DeletedAddressOfOperator {
+public:
+    DeletedAddressOfOperator()
+        : m_value(0)
+    {
+    }
+
+    DeletedAddressOfOperator(unsigned value)
+        : m_value(value)
+    {
+    }
+
+    DeletedAddressOfOperator* operator&() = delete;
+
+    unsigned value() const
+    {
+        return m_value;
+    }
+
+    friend bool operator==(const DeletedAddressOfOperator& a, const DeletedAddressOfOperator& b)
+    {
+        return a.m_value == b.m_value;
+    }
+
+private:
+    unsigned m_value;
+};
+
+namespace WTF {
+
+template<> struct HashTraits<DeletedAddressOfOperator> : public GenericHashTraits<DeletedAddressOfOperator> {
+    static const bool emptyValueIsZero = true;
+
+    static void constructDeletedValue(DeletedAddressOfOperator& slot) { slot = DeletedAddressOfOperator(std::numeric_limits<unsigned>::max()); }
+    static bool isDeletedValue(const DeletedAddressOfOperator& slot) { return slot.value() == std::numeric_limits<unsigned>::max(); }
+};
+
+template<> struct DefaultHash<DeletedAddressOfOperator> {
+    struct Hash {
+        static unsigned hash(const DeletedAddressOfOperator& key)
+        {
+            return intHash(key.value());
+        }
+
+        static bool equal(const DeletedAddressOfOperator& a, const DeletedAddressOfOperator& b)
+        {
+            return a == b;
+        }
+
+        static const bool safeToCompareToEmptyOrDeleted = true;
+    };
+};
+}
+