Imported WebKit commit fce473cb4d55aa9fe9d0b0322a2fffecb731b961 (http://svn.webkit.org/repository/webkit/trunk@106560)

1 files changed, 63 insertions, 0 deletions

diff --git a/Source/WebKit/chromium/tests/CCLayerTestCommon.cpp b/Source/WebKit/chromium/tests/CCLayerTestCommon.cpp
new file mode 100644
index 000000000..9fe377766
--- /dev/null
+++ b/Source/WebKit/chromium/tests/CCLayerTestCommon.cpp
@@ -0,0 +1,63 @@
+/*
+ * 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 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 "CCLayerTestCommon.h"
+
+#include <gtest/gtest.h>
+#include <wtf/Vector.h>
+
+using namespace WebCore;
+
+namespace CCLayerTestCommon {
+
+// Align with expected and actual output
+const char* quadString = "    Quad: ";
+
+bool completelyContains(const Region& container, const IntRect& rect)
+{
+    Region tester(rect);
+    Vector<IntRect> rects = container.rects();
+    for (size_t i = 0; i < rects.size(); ++i)
+        tester.subtract(rects[i]);
+    return tester.isEmpty();
+}
+
+void verifyQuadsExactlyCoverRect(const CCQuadList& quads, const IntRect& rect)
+{
+    Region remaining(rect);
+
+    for (size_t i = 0; i < quads.size(); ++i) {
+        CCDrawQuad* quad = quads[i].get();
+
+        EXPECT_TRUE(rect.contains(quad->quadRect())) << quadString << i;
+        EXPECT_TRUE(completelyContains(remaining, quad->quadRect())) << quadString << i;
+        remaining.subtract(Region(quad->quadRect()));
+    }
+
+    EXPECT_TRUE(remaining.isEmpty());
+}
+
+} // namespace