ash/touch/touchscreen_util_unittest.cc

   1 // Copyright 2014 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 <string>
   6 #include <vector>
   7
   8 #include "ash/display/display_info.h"
   9 #include "ash/touch/touchscreen_util.h"
  10 #include "testing/gtest/include/gtest/gtest.h"
  11 #include "ui/events/devices/input_device.h"
  12
  13 namespace ash {
  14
  15 class TouchscreenUtilTest : public testing::Test {
  16  public:
  17   TouchscreenUtilTest() {}
  18   ~TouchscreenUtilTest() override {}
  19
  20   void SetUp() override {
  21     // Internal display will always match to internal touchscreen. If internal
  22     // touchscreen can't be detected, it is then associated to a touch screen
  23     // with matching size.
  24     {
  25       DisplayInfo display(1, std::string(), false);
  26       DisplayMode mode(gfx::Size(1920, 1080), 60.0, false, true);
  27       mode.native = true;
  28       std::vector<DisplayMode> modes(1, mode);
  29       display.SetDisplayModes(modes);
  30       displays_.push_back(display);
  31       gfx::Display::SetInternalDisplayId(1);
  32     }
  33
  34     {
  35       DisplayInfo display(2, std::string(), false);
  36       DisplayMode mode(gfx::Size(800, 600), 60.0, false, true);
  37       mode.native = true;
  38       std::vector<DisplayMode> modes(1, mode);
  39       display.SetDisplayModes(modes);
  40       displays_.push_back(display);
  41     }
  42
  43     // Display without native mode. Must not be matched to any touch screen.
  44     {
  45       DisplayInfo display(3, std::string(), false);
  46       displays_.push_back(display);
  47     }
  48
  49     {
  50       DisplayInfo display(4, std::string(), false);
  51       DisplayMode mode(gfx::Size(1024, 768), 60.0, false, true);
  52       mode.native = true;
  53       std::vector<DisplayMode> modes(1, mode);
  54       display.SetDisplayModes(modes);
  55       displays_.push_back(display);
  56     }
  57   }
  58
  59   void TearDown() override { displays_.clear(); }
  60
  61  protected:
  62   std::vector<DisplayInfo> displays_;
  63
  64  private:
  65   DISALLOW_COPY_AND_ASSIGN(TouchscreenUtilTest);
  66 };
  67
  68 TEST_F(TouchscreenUtilTest, NoTouchscreens) {
  69   std::vector<ui::TouchscreenDevice> devices;
  70   AssociateTouchscreens(&displays_, devices);
  71
  72   for (size_t i = 0; i < displays_.size(); ++i)
  73     EXPECT_EQ(ui::TouchscreenDevice::kInvalidId,
  74               displays_[i].touch_device_id());
  75 }
  76
  77 TEST_F(TouchscreenUtilTest, OneToOneMapping) {
  78   std::vector<ui::TouchscreenDevice> devices;
  79   devices.push_back(ui::TouchscreenDevice(
  80       1, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL, gfx::Size(800, 600), 0));
  81   devices.push_back(ui::TouchscreenDevice(
  82       2, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL, gfx::Size(1024, 768), 0));
  83
  84   AssociateTouchscreens(&displays_, devices);
  85
  86   EXPECT_EQ(ui::TouchscreenDevice::kInvalidId, displays_[0].touch_device_id());
  87   EXPECT_EQ(1u, displays_[1].touch_device_id());
  88   EXPECT_EQ(ui::TouchscreenDevice::kInvalidId, displays_[2].touch_device_id());
  89   EXPECT_EQ(2u, displays_[3].touch_device_id());
  90 }
  91
  92 TEST_F(TouchscreenUtilTest, MapToCorrectDisplaySize) {
  93   std::vector<ui::TouchscreenDevice> devices;
  94   devices.push_back(ui::TouchscreenDevice(
  95       2, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL, gfx::Size(1024, 768), 0));
  96
  97   AssociateTouchscreens(&displays_, devices);
  98
  99   EXPECT_EQ(ui::TouchscreenDevice::kInvalidId, displays_[0].touch_device_id());
 100   EXPECT_EQ(ui::TouchscreenDevice::kInvalidId, displays_[1].touch_device_id());
 101   EXPECT_EQ(ui::TouchscreenDevice::kInvalidId, displays_[2].touch_device_id());
 102   EXPECT_EQ(2u, displays_[3].touch_device_id());
 103 }
 104
 105 TEST_F(TouchscreenUtilTest, MapWhenSizeDiffersByOne) {
 106   std::vector<ui::TouchscreenDevice> devices;
 107   devices.push_back(ui::TouchscreenDevice(
 108       1, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL, gfx::Size(801, 600), 0));
 109   devices.push_back(ui::TouchscreenDevice(
 110       2, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL, gfx::Size(1023, 768), 0));
 111
 112   AssociateTouchscreens(&displays_, devices);
 113
 114   EXPECT_EQ(ui::TouchscreenDevice::kInvalidId, displays_[0].touch_device_id());
 115   EXPECT_EQ(1u, displays_[1].touch_device_id());
 116   EXPECT_EQ(ui::TouchscreenDevice::kInvalidId, displays_[2].touch_device_id());
 117   EXPECT_EQ(2u, displays_[3].touch_device_id());
 118 }
 119
 120 TEST_F(TouchscreenUtilTest, MapWhenSizesDoNotMatch) {
 121   std::vector<ui::TouchscreenDevice> devices;
 122   devices.push_back(ui::TouchscreenDevice(
 123       1, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL, gfx::Size(1022, 768), 0));
 124   devices.push_back(ui::TouchscreenDevice(
 125       2, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL, gfx::Size(802, 600), 0));
 126
 127   AssociateTouchscreens(&displays_, devices);
 128
 129   EXPECT_EQ(ui::TouchscreenDevice::kInvalidId, displays_[0].touch_device_id());
 130   EXPECT_EQ(1u, displays_[1].touch_device_id());
 131   EXPECT_EQ(ui::TouchscreenDevice::kInvalidId, displays_[2].touch_device_id());
 132   EXPECT_EQ(2u, displays_[3].touch_device_id());
 133 }
 134
 135 TEST_F(TouchscreenUtilTest, MapInternalTouchscreen) {
 136   std::vector<ui::TouchscreenDevice> devices;
 137   devices.push_back(ui::TouchscreenDevice(
 138       1, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL, gfx::Size(1920, 1080), 0));
 139   devices.push_back(ui::TouchscreenDevice(
 140       2, ui::InputDeviceType::INPUT_DEVICE_INTERNAL, gfx::Size(9999, 888), 0));
 141
 142   AssociateTouchscreens(&displays_, devices);
 143
 144   // Internal touchscreen is always mapped to internal display.
 145   EXPECT_EQ(2u, displays_[0].touch_device_id());
 146   EXPECT_EQ(1u, displays_[1].touch_device_id());
 147   EXPECT_EQ(ui::TouchscreenDevice::kInvalidId, displays_[2].touch_device_id());
 148   EXPECT_EQ(ui::TouchscreenDevice::kInvalidId, displays_[3].touch_device_id());
 149 }
 150
 151 }  // namespace ash