Re-implement overscan & Implement Display Rotation

ash/display/display_info_unittest.cc

+// Copyright (c) 2013 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 "ash/display/display_info.h"
+
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace ash {
+namespace internal {
+
+typedef testing::Test DisplayInfoTest;
+
+TEST_F(DisplayInfoTest, CreateFromSpec) {
+  DisplayInfo info = DisplayInfo::CreateFromSpecWithID("200x100", 10);
+  EXPECT_EQ(10, info.id());
+  EXPECT_EQ("0,0 200x100", info.bounds_in_pixel().ToString());
+  EXPECT_EQ("200x100", info.size_in_pixel().ToString());
+  EXPECT_EQ(DisplayInfo::Rotate0, info.rotation());
+  EXPECT_EQ("0,0,0,0", info.overscan_insets_in_dip().ToString());
+
+  info = DisplayInfo::CreateFromSpecWithID("10+20-300x400*2/o", 10);
+  EXPECT_EQ("10,20 300x400", info.bounds_in_pixel().ToString());
+  EXPECT_EQ("286x380", info.size_in_pixel().ToString());
+  EXPECT_EQ(DisplayInfo::Rotate0, info.rotation());
+  EXPECT_EQ("5,3,5,3", info.overscan_insets_in_dip().ToString());
+
+  info = DisplayInfo::CreateFromSpecWithID("10+20-300x400*2/ob", 10);
+  EXPECT_EQ("10,20 300x400", info.bounds_in_pixel().ToString());
+  EXPECT_EQ("286x380", info.size_in_pixel().ToString());
+  EXPECT_EQ(DisplayInfo::Rotate0, info.rotation());
+  EXPECT_EQ("5,3,5,3", info.overscan_insets_in_dip().ToString());
+
+  info = DisplayInfo::CreateFromSpecWithID("10+20-300x400*2/or", 10);
+  EXPECT_EQ("10,20 300x400", info.bounds_in_pixel().ToString());
+  EXPECT_EQ("380x286", info.size_in_pixel().ToString());
+  EXPECT_EQ(DisplayInfo::Rotate90, info.rotation());
+  // TODO(oshima): This should be rotated too. Fix this.
+  EXPECT_EQ("5,3,5,3", info.overscan_insets_in_dip().ToString());
+}
+
+}  // namespace internal
+}  // namespace ash