ui/gfx/display_unittest.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ui/gfx/display.h"
   6
   7 #include "testing/gtest/include/gtest/gtest.h"
   8 #include "ui/gfx/geometry/insets.h"
   9
  10 namespace {
  11
  12 TEST(DisplayTest, WorkArea) {
  13   gfx::Display display(0, gfx::Rect(0, 0, 100, 100));
  14   EXPECT_EQ("0,0 100x100", display.bounds().ToString());
  15   EXPECT_EQ("0,0 100x100", display.work_area().ToString());
  16
  17   display.set_work_area(gfx::Rect(3, 4, 90, 80));
  18   EXPECT_EQ("0,0 100x100", display.bounds().ToString());
  19   EXPECT_EQ("3,4 90x80", display.work_area().ToString());
  20
  21   display.SetScaleAndBounds(1.0f, gfx::Rect(10, 20, 50, 50));
  22   EXPECT_EQ("10,20 50x50", display.bounds().ToString());
  23   EXPECT_EQ("13,24 40x30", display.work_area().ToString());
  24
  25   display.SetSize(gfx::Size(200, 200));
  26   EXPECT_EQ("13,24 190x180", display.work_area().ToString());
  27
  28   display.UpdateWorkAreaFromInsets(gfx::Insets(3, 4, 5, 6));
  29   EXPECT_EQ("14,23 190x192", display.work_area().ToString());
  30 }
  31
  32 TEST(DisplayTest, Scale) {
  33   gfx::Display display(0, gfx::Rect(0, 0, 100, 100));
  34   display.set_work_area(gfx::Rect(10, 10, 80, 80));
  35   EXPECT_EQ("0,0 100x100", display.bounds().ToString());
  36   EXPECT_EQ("10,10 80x80", display.work_area().ToString());
  37
  38   // Scale it back to 2x
  39   display.SetScaleAndBounds(2.0f, gfx::Rect(0, 0, 140, 140));
  40   EXPECT_EQ("0,0 70x70", display.bounds().ToString());
  41   EXPECT_EQ("10,10 50x50", display.work_area().ToString());
  42
  43   // Scale it back to 1x
  44   display.SetScaleAndBounds(1.0f, gfx::Rect(0, 0, 100, 100));
  45   EXPECT_EQ("0,0 100x100", display.bounds().ToString());
  46   EXPECT_EQ("10,10 80x80", display.work_area().ToString());
  47 }
  48
  49 }