Revert of Eliminate copies of encoded image data

third_party/WebKit/Source/platform/graphics/ThreadSafeDataTransportTest.cpp

Index: third_party/WebKit/Source/platform/graphics/ThreadSafeDataTransportTest.cpp
diff --git a/third_party/WebKit/Source/platform/graphics/ThreadSafeDataTransportTest.cpp b/third_party/WebKit/Source/platform/graphics/ThreadSafeDataTransportTest.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..69462ec627fe9b4579637878ee56640c8c833440
--- /dev/null
+++ b/third_party/WebKit/Source/platform/graphics/ThreadSafeDataTransportTest.cpp
@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2012 Google 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 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 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 "platform/graphics/ThreadSafeDataTransport.h"
+
+#include "platform/SharedBuffer.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace blink {
+
+TEST(ThreadSafeDataTransportTest, hasNewData)
+{
+    ThreadSafeDataTransport transport;
+
+    const char testString[] = "123456789";
+    RefPtr<SharedBuffer> buffer = SharedBuffer::create(testString, sizeof(testString));
+
+    transport.setData(buffer.get(), false);
+    EXPECT_TRUE(transport.hasNewData());
+
+    SharedBuffer* tempBuffer = 0;
+    bool allDataReceived = false;
+    transport.data(&tempBuffer, &allDataReceived);
+    EXPECT_FALSE(transport.hasNewData());
+
+    transport.setData(buffer.get(), false);
+    EXPECT_FALSE(transport.hasNewData());
+}
+
+TEST(ThreadSafeDataTransportTest, setData)
+{
+    ThreadSafeDataTransport transport;
+
+    const char testString1[] = "123";
+    RefPtr<SharedBuffer> buffer1 = SharedBuffer::create(testString1, sizeof(testString1) - 1);
+    const char testString2[] = "12345";
+    RefPtr<SharedBuffer> buffer2 = SharedBuffer::create(testString2, sizeof(testString2) - 1);
+    const char testString3[] = "1234567890";
+    RefPtr<SharedBuffer> buffer3 = SharedBuffer::create(testString3, sizeof(testString3) - 1);
+
+    transport.setData(buffer1.get(), false);
+    transport.setData(buffer2.get(), false);
+    transport.setData(buffer3.get(), true);
+    EXPECT_TRUE(transport.hasNewData());
+
+    SharedBuffer* tempBuffer = 0;
+    bool allDataReceived = false;
+    transport.data(&tempBuffer, &allDataReceived);
+    EXPECT_TRUE(allDataReceived);
+    EXPECT_FALSE(memcmp(testString3, tempBuffer->data(), tempBuffer->size()));
+}
+
+} // namespace blink