src/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   virtual ~TouchscreenUtilTest() {}
  19
  20   virtual 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.set_display_modes(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.set_display_modes(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.set_display_modes(modes);
  55       displays_.push_back(display);
  56     }
  57   }
  58
  59   virtual void TearDown() override {
  60     displays_.clear();
  61   }
  62
  63  protected:
  64   std::vector<DisplayInfo> displays_;
  65
  66  private:
  67   DISALLOW_COPY_AND_ASSIGN(TouchscreenUtilTest);
  68 };
  69
  70 TEST_F(TouchscreenUtilTest, NoTouchscreens) {
  71   std::vector<ui::TouchscreenDevice> devices;
  72   AssociateTouchscreens(&displays_, devices);
  73
  74   for (size_t i = 0; i < displays_.size(); ++i)
  75     EXPECT_EQ(ui::TouchscreenDevice::kInvalidId,
  76               displays_[i].touch_device_id());
  77 }
  78
  79 TEST_F(TouchscreenUtilTest, OneToOneMapping) {
  80   std::vector<ui::TouchscreenDevice> devices;
  81   devices.push_back(ui::TouchscreenDevice(
  82       1, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL, "", gfx::Size(800, 600)));
  83   devices.push_back(ui::TouchscreenDevice(
  84       2, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL, "", gfx::Size(1024, 768)));
  85
  86   AssociateTouchscreens(&displays_, devices);
  87
  88   EXPECT_EQ(ui::TouchscreenDevice::kInvalidId, displays_[0].touch_device_id());
  89   EXPECT_EQ(1u, displays_[1].touch_device_id());
  90   EXPECT_EQ(ui::TouchscreenDevice::kInvalidId, displays_[2].touch_device_id());
  91   EXPECT_EQ(2u, displays_[3].touch_device_id());
  92 }
  93
  94 TEST_F(TouchscreenUtilTest, MapToCorrectDisplaySize) {
  95   std::vector<ui::TouchscreenDevice> devices;
  96   devices.push_back(ui::TouchscreenDevice(
  97       2, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL, "", gfx::Size(1024, 768)));
  98
  99   AssociateTouchscreens(&displays_, devices);
 100
 101   EXPECT_EQ(ui::TouchscreenDevice::kInvalidId, displays_[0].touch_device_id());
 102   EXPECT_EQ(ui::TouchscreenDevice::kInvalidId, displays_[1].touch_device_id());
 103   EXPECT_EQ(ui::TouchscreenDevice::kInvalidId, displays_[2].touch_device_id());
 104   EXPECT_EQ(2u, displays_[3].touch_device_id());
 105 }
 106
 107 TEST_F(TouchscreenUtilTest, MapWhenSizeDiffersByOne) {
 108   std::vector<ui::TouchscreenDevice> devices;
 109   devices.push_back(ui::TouchscreenDevice(
 110       1, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL, "", gfx::Size(801, 600)));
 111   devices.push_back(ui::TouchscreenDevice(
 112       2, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL, "", gfx::Size(1023, 768)));
 113
 114   AssociateTouchscreens(&displays_, devices);
 115
 116   EXPECT_EQ(ui::TouchscreenDevice::kInvalidId, displays_[0].touch_device_id());
 117   EXPECT_EQ(1u, displays_[1].touch_device_id());
 118   EXPECT_EQ(ui::TouchscreenDevice::kInvalidId, displays_[2].touch_device_id());
 119   EXPECT_EQ(2u, displays_[3].touch_device_id());
 120 }
 121
 122 TEST_F(TouchscreenUtilTest, MapWhenSizesDoNotMatch) {
 123   std::vector<ui::TouchscreenDevice> devices;
 124   devices.push_back(ui::TouchscreenDevice(
 125       1, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL, "", gfx::Size(1022, 768)));
 126   devices.push_back(ui::TouchscreenDevice(
 127       2, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL, "", gfx::Size(802, 600)));
 128
 129   AssociateTouchscreens(&displays_, devices);
 130
 131   EXPECT_EQ(ui::TouchscreenDevice::kInvalidId, displays_[0].touch_device_id());
 132   EXPECT_EQ(1u, displays_[1].touch_device_id());
 133   EXPECT_EQ(ui::TouchscreenDevice::kInvalidId, displays_[2].touch_device_id());
 134   EXPECT_EQ(2u, displays_[3].touch_device_id());
 135 }
 136
 137 TEST_F(TouchscreenUtilTest, MapInternalTouchscreen) {
 138   std::vector<ui::TouchscreenDevice> devices;
 139   devices.push_back(
 140       ui::TouchscreenDevice(1,
 141                             ui::InputDeviceType::INPUT_DEVICE_EXTERNAL,
 142                             "",
 143                             gfx::Size(1920, 1080)));
 144   devices.push_back(ui::TouchscreenDevice(
 145       2, ui::InputDeviceType::INPUT_DEVICE_INTERNAL, "", gfx::Size(9999, 888)));
 146
 147   AssociateTouchscreens(&displays_, devices);
 148
 149   // Internal touchscreen is always mapped to internal display.
 150   EXPECT_EQ(2u, displays_[0].touch_device_id());
 151   EXPECT_EQ(1u, displays_[1].touch_device_id());
 152   EXPECT_EQ(ui::TouchscreenDevice::kInvalidId, displays_[2].touch_device_id());
 153   EXPECT_EQ(ui::TouchscreenDevice::kInvalidId, displays_[3].touch_device_id());
 154 }
 155
 156 }  // namespace ash