ui/events/devices/x11/device_data_manager_x11_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 "ui/events/devices/x11/device_data_manager_x11.h"
   6
   7 #include <vector>
   8
   9 // Generically-named #defines from Xlib that conflict with symbols in GTest.
  10 #undef Bool
  11 #undef None
  12
  13 #include "testing/gtest/include/gtest/gtest.h"
  14 #include "ui/events/devices/device_hotplug_event_observer.h"
  15 #include "ui/events/devices/input_device.h"
  16 #include "ui/events/devices/input_device_event_observer.h"
  17 #include "ui/events/devices/keyboard_device.h"
  18 #include "ui/events/devices/touchscreen_device.h"
  19
  20 namespace ui {
  21 namespace test {
  22 namespace {
  23
  24 class TestInputDeviceObserver : public InputDeviceEventObserver {
  25  public:
  26   explicit TestInputDeviceObserver(DeviceDataManagerX11* manager)
  27       : manager_(manager), change_notified_(false) {
  28     if (manager_)
  29       manager_->AddObserver(this);
  30   }
  31
  32   ~TestInputDeviceObserver() override {
  33     if (manager_)
  34       manager_->RemoveObserver(this);
  35   }
  36
  37   // InputDeviceEventObserver implementation.
  38   void OnKeyboardDeviceConfigurationChanged() override {
  39     change_notified_ = true;
  40   }
  41
  42   int change_notified() const { return change_notified_; }
  43   void Reset() { change_notified_ = false; }
  44
  45  private:
  46   DeviceDataManager* manager_;
  47   bool change_notified_;
  48
  49   DISALLOW_COPY_AND_ASSIGN(TestInputDeviceObserver);
  50 };
  51
  52 }  //  namespace
  53
  54 class DeviceDataManagerX11Test : public testing::Test {
  55  public:
  56   DeviceDataManagerX11Test() {}
  57   ~DeviceDataManagerX11Test() override {}
  58
  59   void SetUp() override { DeviceDataManagerX11::CreateInstance(); }
  60
  61   void TearDown() override {
  62     SetKeyboardDevices(std::vector<KeyboardDevice>());
  63   }
  64
  65   virtual void SetKeyboardDevices(const std::vector<KeyboardDevice>& devices) {
  66     DeviceHotplugEventObserver* manager = DeviceDataManagerX11::GetInstance();
  67     manager->OnKeyboardDevicesUpdated(devices);
  68   }
  69
  70  private:
  71   DISALLOW_COPY_AND_ASSIGN(DeviceDataManagerX11Test);
  72 };
  73
  74 // Tests that the the device data manager notifies observers when a device is
  75 // disabled and re-enabled.
  76 TEST_F(DeviceDataManagerX11Test, NotifyOnDisable) {
  77   DeviceDataManagerX11* manager = DeviceDataManagerX11::GetInstance();
  78   TestInputDeviceObserver observer(manager);
  79   std::vector<ui::KeyboardDevice> keyboards;
  80   keyboards.push_back(
  81       ui::KeyboardDevice(1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL));
  82   keyboards.push_back(
  83       ui::KeyboardDevice(2, ui::InputDeviceType::INPUT_DEVICE_INTERNAL));
  84   SetKeyboardDevices(keyboards);
  85   EXPECT_TRUE(observer.change_notified());
  86   std::vector<KeyboardDevice> devices = manager->keyboard_devices();
  87   EXPECT_EQ(keyboards.size(), devices.size());
  88   observer.Reset();
  89   // Disable the device, should be notified that the device list contains one
  90   // less device.
  91   manager->DisableDevice(2);
  92   EXPECT_TRUE(observer.change_notified());
  93   devices = manager->keyboard_devices();
  94   EXPECT_EQ(1u, devices.size());
  95   KeyboardDevice device = devices.front();
  96   EXPECT_EQ(1, device.id);
  97   observer.Reset();
  98   // Reenable the device, should be notified that the device list contains one
  99   // more device.
 100   manager->EnableDevice(2);
 101   EXPECT_TRUE(observer.change_notified());
 102   devices = manager->keyboard_devices();
 103   EXPECT_EQ(keyboards.size(), devices.size());
 104 }
 105
 106 // Tests blocking multiple devices.
 107 TEST_F(DeviceDataManagerX11Test, TestMultipleDisable) {
 108   DeviceDataManagerX11* manager = DeviceDataManagerX11::GetInstance();
 109   TestInputDeviceObserver observer(manager);
 110   std::vector<ui::KeyboardDevice> keyboards;
 111   keyboards.push_back(
 112       ui::KeyboardDevice(1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL));
 113   keyboards.push_back(
 114       ui::KeyboardDevice(2, ui::InputDeviceType::INPUT_DEVICE_INTERNAL));
 115   SetKeyboardDevices(keyboards);
 116   EXPECT_TRUE(observer.change_notified());
 117   std::vector<KeyboardDevice> devices = manager->keyboard_devices();
 118   EXPECT_EQ(keyboards.size(), devices.size());
 119   observer.Reset();
 120   // Disable the device, should be notified that the device list contains one
 121   // less device.
 122   manager->DisableDevice(1);
 123   EXPECT_TRUE(observer.change_notified());
 124   devices = manager->keyboard_devices();
 125   EXPECT_EQ(1u, devices.size());
 126   observer.Reset();
 127   // Disable the second device, should be notified that the device list empty.
 128   manager->DisableDevice(2);
 129   EXPECT_TRUE(observer.change_notified());
 130   devices = manager->keyboard_devices();
 131   EXPECT_EQ(0u, devices.size());
 132   observer.Reset();
 133   // Enable the first device, should be notified that one device present.
 134   manager->EnableDevice(1);
 135   EXPECT_TRUE(observer.change_notified());
 136   devices = manager->keyboard_devices();
 137   EXPECT_EQ(1u, devices.size());
 138   observer.Reset();
 139   // Enable the second device, should be notified that both devices present.
 140   manager->EnableDevice(2);
 141   EXPECT_TRUE(observer.change_notified());
 142   devices = manager->keyboard_devices();
 143   EXPECT_EQ(2u, devices.size());
 144 }
 145
 146 TEST_F(DeviceDataManagerX11Test, UnblockOnDeviceUnplugged) {
 147   DeviceDataManagerX11* manager = DeviceDataManagerX11::GetInstance();
 148   TestInputDeviceObserver observer(manager);
 149   std::vector<ui::KeyboardDevice> all_keyboards;
 150   all_keyboards.push_back(
 151       ui::KeyboardDevice(1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL));
 152   all_keyboards.push_back(
 153       ui::KeyboardDevice(2, ui::InputDeviceType::INPUT_DEVICE_INTERNAL));
 154   SetKeyboardDevices(all_keyboards);
 155   EXPECT_TRUE(observer.change_notified());
 156   std::vector<KeyboardDevice> devices = manager->keyboard_devices();
 157   EXPECT_EQ(all_keyboards.size(), devices.size());
 158   observer.Reset();
 159   // Expect to be notified that the device is no longer available.
 160   manager->DisableDevice(2);
 161   EXPECT_TRUE(observer.change_notified());
 162   devices = manager->keyboard_devices();
 163   EXPECT_EQ(1u, devices.size());
 164   observer.Reset();
 165   // Unplug the disabled device. Should not be notified, since the active list
 166   // did not change.
 167   std::vector<ui::KeyboardDevice> subset_keyboards;
 168   subset_keyboards.push_back(
 169       ui::KeyboardDevice(1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL));
 170   SetKeyboardDevices(subset_keyboards);
 171   EXPECT_FALSE(observer.change_notified());
 172   // Replug in the first device. Should be notified of the new device.
 173   SetKeyboardDevices(all_keyboards);
 174   EXPECT_TRUE(observer.change_notified());
 175   devices = manager->keyboard_devices();
 176   // Both devices now present.
 177   EXPECT_EQ(2u, devices.size());
 178 }
 179
 180 }  // namespace test
 181 }  // namespace ui