remoting/host/screen_resolution_unittest.cc

   1 // Copyright (c) 2013 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 "remoting/host/screen_resolution.h"
   6
   7 #include <limits>
   8
   9 #include "testing/gmock/include/gmock/gmock.h"
  10 #include "testing/gtest/include/gtest/gtest.h"
  11
  12 namespace remoting {
  13
  14 TEST(ScreenResolutionTest, Empty) {
  15   ScreenResolution resolution1(
  16       webrtc::DesktopSize(100, 100), webrtc::DesktopVector(10, 10));
  17   EXPECT_FALSE(resolution1.IsEmpty());
  18
  19   ScreenResolution resolution2(
  20       webrtc::DesktopSize(), webrtc::DesktopVector(10, 10));
  21   EXPECT_TRUE(resolution2.IsEmpty());
  22
  23   ScreenResolution resolution3(
  24       webrtc::DesktopSize(1, 1), webrtc::DesktopVector(0, 0));
  25   EXPECT_TRUE(resolution3.IsEmpty());
  26 }
  27
  28 TEST(ScreenResolutionTest, Scaling) {
  29   ScreenResolution resolution(
  30       webrtc::DesktopSize(100, 100), webrtc::DesktopVector(10, 10));
  31
  32   EXPECT_TRUE(webrtc::DesktopSize(50, 50).equals(
  33       resolution.ScaleDimensionsToDpi(webrtc::DesktopVector(5, 5))));
  34
  35   EXPECT_TRUE(webrtc::DesktopSize(200, 200).equals(
  36       resolution.ScaleDimensionsToDpi(webrtc::DesktopVector(20, 20))));
  37 }
  38
  39 TEST(ScreenResolutionTest, ScalingSaturation) {
  40   ScreenResolution resolution(
  41       webrtc::DesktopSize(10000000, 1000000), webrtc::DesktopVector(1, 1));
  42
  43   int32 max_int = std::numeric_limits<int32>::max();
  44   EXPECT_TRUE(webrtc::DesktopSize(max_int, max_int).equals(
  45       resolution.ScaleDimensionsToDpi(
  46           webrtc::DesktopVector(1000000, 1000000))));
  47 }
  48
  49 }  // namespace remoting