1 files changed, 34 insertions, 0 deletions
diff --git a/chromium/ui/gfx/transform_util_unittest.cc b/chromium/ui/gfx/transform_util_unittest.cc
new file mode 100644
index 00000000000..01ddbe538d0
--- /dev/null
+++ b/chromium/ui/gfx/transform_util_unittest.cc
@@ -0,0 +1,34 @@
+// Copyright (c) 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 "ui/gfx/transform_util.h"
+
+#include "testing/gtest/include/gtest/gtest.h"
+#include "ui/gfx/point.h"
+
+namespace gfx {
+namespace {
+
+TEST(TransformUtilTest, GetScaleTransform) {
+  const Point kAnchor(20, 40);
+  const float kScale = 0.5f;
+
+  Transform scale = GetScaleTransform(kAnchor, kScale);
+
+  const int kOffset = 10;
+  for (int sign_x = -1; sign_x <= 1; ++sign_x) {
+    for (int sign_y = -1; sign_y <= 1; ++sign_y) {
+      Point test(kAnchor.x() + sign_x * kOffset,
+                 kAnchor.y() + sign_y * kOffset);
+      scale.TransformPoint(test);
+
+      EXPECT_EQ(Point(kAnchor.x() + sign_x * kOffset * kScale,
+                      kAnchor.y() + sign_y * kOffset * kScale),
+                test);
+    }
+  }
+}
+
+}  // namespace
+}  // namespace gfx