Enable webkit_compositor_unittests

webkit/compositor/ThrottledTextureUploaderTest.cpp

Index: webkit/compositor/ThrottledTextureUploaderTest.cpp
diff --git a/webkit/compositor/ThrottledTextureUploaderTest.cpp b/webkit/compositor/ThrottledTextureUploaderTest.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..86b7a1076c32471115897f2417723b3d5b556d7d
--- /dev/null
+++ b/webkit/compositor/ThrottledTextureUploaderTest.cpp
@@ -0,0 +1,72 @@
+// Copyright 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "config.h"
+
+#include "ThrottledTextureUploader.h"
+
+#include "Extensions3DChromium.h"
+#include "FakeWebGraphicsContext3D.h"
+#include "GraphicsContext3D.h"
+
+#include <gmock/gmock.h>
+#include <gtest/gtest.h>
+#include <wtf/RefPtr.h>
+
+using namespace WebCore;
+using namespace WebKit;
+
+namespace {
+
+class FakeWebGraphicsContext3DWithQueryTesting : public FakeWebGraphicsContext3D {
+public:
+    FakeWebGraphicsContext3DWithQueryTesting() : m_resultAvailable(0)
+    {
+    }
+
+    virtual void getQueryObjectuivEXT(WebGLId, GC3Denum type, GC3Duint* value)
+    {
+        switch (type) {
+        case Extensions3DChromium::QUERY_RESULT_AVAILABLE_EXT:
+            *value = m_resultAvailable;
+            break;
+        default:
+            *value = 0;
+            break;
+        }
+    }
+
+    void setResultAvailable(unsigned resultAvailable) { m_resultAvailable = resultAvailable; }
+
+private:
+    unsigned m_resultAvailable;
+};
+
+TEST(ThrottledTextureUploaderTest, IsBusy)
+{
+    OwnPtr<FakeWebGraphicsContext3DWithQueryTesting> fakeContext(adoptPtr(new FakeWebGraphicsContext3DWithQueryTesting));
+    OwnPtr<ThrottledTextureUploader> uploader = ThrottledTextureUploader::create(fakeContext.get(), 2);
+
+    fakeContext->setResultAvailable(0);
+    EXPECT_FALSE(uploader->isBusy());
+    uploader->beginUploads();
+    uploader->endUploads();
+    EXPECT_FALSE(uploader->isBusy());
+    uploader->beginUploads();
+    uploader->endUploads();
+    EXPECT_TRUE(uploader->isBusy());
+
+    fakeContext->setResultAvailable(1);
+    EXPECT_FALSE(uploader->isBusy());
+    uploader->beginUploads();
+    uploader->endUploads();
+    EXPECT_FALSE(uploader->isBusy());
+    uploader->beginUploads();
+    uploader->endUploads();
+    EXPECT_FALSE(uploader->isBusy());
+    uploader->beginUploads();
+    uploader->endUploads();
+}
+
+} // namespace