1 files changed, 70 insertions, 0 deletions
diff --git a/Tools/DumpRenderTree/TestNetscapePlugIn/Tests/NullNPPGetValuePointer.cpp b/Tools/DumpRenderTree/TestNetscapePlugIn/Tests/NullNPPGetValuePointer.cpp
new file mode 100644
index 000000000..9e4e976f0
--- /dev/null
+++ b/Tools/DumpRenderTree/TestNetscapePlugIn/Tests/NullNPPGetValuePointer.cpp
@@ -0,0 +1,70 @@
+/*
+ * 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 "PluginTest.h"
+
+#include "PluginObject.h"
+
+using namespace std;
+
+// Passing null for our NPP_GetValue function pointer should not crash.
+
+class NullNPPGetValuePointer : public PluginTest {
+public:
+    NullNPPGetValuePointer(NPP, const string& identifier);
+
+private:
+    virtual NPError NPP_Destroy(NPSavedData**);
+    virtual NPError NPP_GetValue(NPPVariable, void* value);
+
+    NPP_GetValueProcPtr m_originalNPPGetValuePointer;
+};
+
+static PluginTest::Register<NullNPPGetValuePointer> registrar("null-npp-getvalue-pointer");
+
+NullNPPGetValuePointer::NullNPPGetValuePointer(NPP npp, const string& identifier)
+    : PluginTest(npp, identifier)
+    , m_originalNPPGetValuePointer(pluginFunctions->getvalue)
+{
+    // Be sneaky and null out the getvalue pointer the browser is holding. This simulates a plugin
+    // that doesn't implement NPP_GetValue (like Shockwave Director 10.3 on Windows). Note that if
+    // WebKit copies the NPPluginFuncs struct this technique will have no effect and WebKit will
+    // call into our NPP_GetValue implementation.
+    pluginFunctions->getvalue = 0;
+}
+
+NPError NullNPPGetValuePointer::NPP_Destroy(NPSavedData**)
+{
+    // Set the NPP_GetValue pointer back the way it was before we mucked with it so we don't mess
+    // up future uses of the plugin module.
+    pluginFunctions->getvalue = m_originalNPPGetValuePointer;
+    return NPERR_NO_ERROR;
+}
+
+NPError NullNPPGetValuePointer::NPP_GetValue(NPPVariable, void*)
+{
+    pluginLog(m_npp, "NPP_GetValue was called but should not have been. Maybe WebKit copied the NPPluginFuncs struct, which would invalidate this test.");
+    return NPERR_GENERIC_ERROR;
+}