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mojo/services/window_manager/view_target_unittest.cc

+// Copyright 2014 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 "mojo/services/window_manager/view_target.h"
+
+#include <set>
+
+#include "mojo/services/window_manager/window_manager_test_util.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "third_party/mojo_services/src/view_manager/public/cpp/view.h"
+#include "ui/gfx/geometry/rect.h"
+
+namespace window_manager {
+
+using ViewTargetTest = testing::Test;
+
+// V1
+//  +-- V2
+//       +-- V3
+TEST_F(ViewTargetTest, GetRoot) {
+  TestView v1(1, gfx::Rect(20, 20, 400, 400));
+  TestView v2(2, gfx::Rect(10, 10, 350, 350));
+  TestView v3(3, gfx::Rect(10, 10, 100, 100));
+  v1.AddChild(&v2);
+  v2.AddChild(&v3);
+
+  EXPECT_EQ(ViewTarget::TargetFromView(&v1),
+            ViewTarget::TargetFromView(&v1)->GetRoot());
+  EXPECT_EQ(ViewTarget::TargetFromView(&v1),
+            ViewTarget::TargetFromView(&v2)->GetRoot());
+  EXPECT_EQ(ViewTarget::TargetFromView(&v1),
+            ViewTarget::TargetFromView(&v3)->GetRoot());
+}
+
+// V1
+//  +-- V2
+TEST_F(ViewTargetTest, ConvertPointToTarget_Simple) {
+  TestView v1(1, gfx::Rect(20, 20, 400, 400));
+  TestView v2(2, gfx::Rect(10, 10, 350, 350));
+  v1.AddChild(&v2);
+
+  ViewTarget* t1 = v1.target();
+  ViewTarget* t2 = v2.target();
+
+  gfx::Point point1_in_t2_coords(5, 5);
+  ViewTarget::ConvertPointToTarget(t2, t1, &point1_in_t2_coords);
+  gfx::Point point1_in_t1_coords(15, 15);
+  EXPECT_EQ(point1_in_t1_coords, point1_in_t2_coords);
+
+  gfx::Point point2_in_t1_coords(5, 5);
+  ViewTarget::ConvertPointToTarget(t1, t2, &point2_in_t1_coords);
+  gfx::Point point2_in_t2_coords(-5, -5);
+  EXPECT_EQ(point2_in_t2_coords, point2_in_t1_coords);
+}
+
+// V1
+//  +-- V2
+//       +-- V3
+TEST_F(ViewTargetTest, ConvertPointToTarget_Medium) {
+  TestView v1(1, gfx::Rect(20, 20, 400, 400));
+  TestView v2(2, gfx::Rect(10, 10, 350, 350));
+  TestView v3(3, gfx::Rect(10, 10, 100, 100));
+  v1.AddChild(&v2);
+  v2.AddChild(&v3);
+
+  ViewTarget* t1 = v1.target();
+  ViewTarget* t3 = v3.target();
+
+  gfx::Point point1_in_t3_coords(5, 5);
+  ViewTarget::ConvertPointToTarget(t3, t1, &point1_in_t3_coords);
+  gfx::Point point1_in_t1_coords(25, 25);
+  EXPECT_EQ(point1_in_t1_coords, point1_in_t3_coords);
+
+  gfx::Point point2_in_t1_coords(5, 5);
+  ViewTarget::ConvertPointToTarget(t1, t3, &point2_in_t1_coords);
+  gfx::Point point2_in_t3_coords(-15, -15);
+  EXPECT_EQ(point2_in_t3_coords, point2_in_t1_coords);
+}
+
+}  // namespace window_manager