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diff --git a/Tools/TestWebKitAPI/Tests/WebKit2/DownloadDecideDestinationCrash.cpp b/Tools/TestWebKitAPI/Tests/WebKit2/DownloadDecideDestinationCrash.cpp
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+++ b/Tools/TestWebKitAPI/Tests/WebKit2/DownloadDecideDestinationCrash.cpp
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+/*
+ * Copyright (C) 2011 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 "PlatformUtilities.h"
+#include "PlatformWebView.h"
+#include <WebKit2/WKDownload.h>
+
+namespace TestWebKitAPI {
+
+static bool didDecideDestination;
+
+static void decidePolicyForNavigationAction(WKPageRef, WKFrameRef, WKFrameNavigationType, WKEventModifiers, WKEventMouseButton, WKURLRequestRef, WKFramePolicyListenerRef listener, WKTypeRef, const void*)
+{
+    WKFramePolicyListenerDownload(listener);
+}
+
+static WKStringRef decideDestinationWithSuggestedFilename(WKContextRef, WKDownloadRef download, WKStringRef, bool*, const void*)
+{
+    didDecideDestination = true;
+    WKDownloadCancel(download);
+    return Util::toWK("does not matter").leakRef();
+}
+
+static void setContextDownloadClient(WKContextRef context)
+{
+    WKContextDownloadClient client;
+    memset(&client, 0, sizeof(client));
+    client.decideDestinationWithSuggestedFilename = decideDestinationWithSuggestedFilename;
+
+    WKContextSetDownloadClient(context, &client);
+}
+
+static void setPagePolicyClient(WKPageRef page)
+{
+    WKPagePolicyClient policyClient;
+    memset(&policyClient, 0, sizeof(policyClient));
+    policyClient.decidePolicyForNavigationAction = decidePolicyForNavigationAction;
+
+    WKPageSetPagePolicyClient(page, &policyClient);
+}
+
+TEST(WebKit2, DownloadDecideDestinationCrash)
+{
+    WKRetainPtr<WKContextRef> context = adoptWK(WKContextCreate());
+    setContextDownloadClient(context.get());
+
+    PlatformWebView webView(context.get());
+    setPagePolicyClient(webView.page());
+
+    // The length of this filename was specially chosen to trigger the crash conditions in
+    // <http://webkit.org/b/61142>. Specifically, it causes ArgumentDecoder::m_bufferPos and m_bufferEnd
+    // to be equal after the DecideDestinationWithSuggestedFilename message has been handled.
+    WKPageLoadURL(webView.page(), adoptWK(Util::createURLForResource("18-characters", "html")).get());
+
+    Util::run(&didDecideDestination);
+}
+
+} // namespace TestWebKitAPI