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diff --git a/Tools/TestWebKitAPI/Tests/WebKit2/WKString.cpp b/Tools/TestWebKitAPI/Tests/WebKit2/WKString.cpp
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+++ b/Tools/TestWebKitAPI/Tests/WebKit2/WKString.cpp
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+/*
+ * Copyright (C) 2010 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"
+
+namespace TestWebKitAPI {
+
+TEST(WebKit2, WKString)
+{
+    WKStringRef string = WKStringCreateWithUTF8CString("hello");
+    EXPECT_TRUE(!WKStringIsEmpty(string));
+    EXPECT_TRUE(WKStringIsEqual(string, string));
+    EXPECT_TRUE(WKStringIsEqualToUTF8CString(string, "hello"));
+    EXPECT_EQ(16u, WKStringGetMaximumUTF8CStringSize(string));
+
+    size_t maxSize = WKStringGetMaximumUTF8CStringSize(string);
+    char* buffer = new char[maxSize];
+
+    size_t actualSize = WKStringGetUTF8CString(string, buffer, maxSize);
+    EXPECT_EQ(6u, actualSize);
+    EXPECT_STREQ("hello", buffer);
+
+    delete[] buffer;
+    
+    maxSize = WKStringGetLength(string);
+    EXPECT_EQ(5u, maxSize);
+
+    // Allocate a buffer one character larger than we need.
+    WKChar* uniBuffer = new WKChar[maxSize+1];
+    actualSize = WKStringGetCharacters(string, uniBuffer, maxSize);
+    EXPECT_EQ(5u, actualSize);
+    
+    WKChar helloBuffer[] = { 'h', 'e', 'l', 'l', 'o' };
+    EXPECT_TRUE(!memcmp(uniBuffer, helloBuffer, 10));
+    
+    // Test passing a buffer length < the string length.
+    actualSize = WKStringGetCharacters(string, uniBuffer, maxSize - 1);
+    EXPECT_EQ(4u, actualSize);
+    
+    // Test passing a buffer length > the string length.
+    actualSize = WKStringGetCharacters(string, uniBuffer, maxSize + 1);
+    EXPECT_EQ(5u, actualSize);
+    
+    delete[] uniBuffer;
+    
+    WKRelease(string);
+}
+
+} // namespace TestWebKitAPI