1 files changed, 23 insertions, 0 deletions
diff --git a/ui/gfx/geometry/test/rect_test_util.cc b/ui/gfx/geometry/test/rect_test_util.cc
new file mode 100644
index 0000000000..bcc943b7fc
--- /dev/null
+++ b/ui/gfx/geometry/test/rect_test_util.cc
@@ -0,0 +1,23 @@
+// Copyright 2017 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/geometry/test/rect_test_util.h"
+
+namespace gfx {
+namespace test {
+
+testing::AssertionResult RectContains(const gfx::Rect& outer_rect,
+                                      const gfx::Rect& inner_rect) {
+  if (outer_rect.Contains(inner_rect)) {
+    return testing::AssertionSuccess()
+           << "outer_rect (" << outer_rect.ToString()
+           << ") does contain inner_rect (" << inner_rect.ToString() << ")";
+  }
+  return testing::AssertionFailure() << "outer_rect (" << outer_rect.ToString()
+                                     << ") does not contain inner_rect ("
+                                     << inner_rect.ToString() << ")";
+}
+
+}  // namespace test
+}  // namespace gfx