src/remoting/client/plugin/normalizing_input_filter_cros_unittest.cc

   1 // Copyright 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/client/plugin/normalizing_input_filter_cros.h"
   6
   7 #include "remoting/proto/event.pb.h"
   8 #include "remoting/protocol/protocol_mock_objects.h"
   9 #include "testing/gmock/include/gmock/gmock.h"
  10 #include "testing/gtest/include/gtest/gtest.h"
  11
  12 using ::testing::InSequence;
  13 using remoting::protocol::InputStub;
  14 using remoting::protocol::KeyEvent;
  15 using remoting::protocol::MockInputStub;
  16 using remoting::protocol::MouseEvent;
  17
  18 namespace remoting {
  19
  20 namespace {
  21
  22 const unsigned int kUsbLeftOsKey      = 0x0700e3;
  23 const unsigned int kUsbRightOsKey     = 0x0700e7;
  24 const unsigned int kUsbLeftAltKey     = 0x0700e2;
  25 const unsigned int kUsbRightAltKey    = 0x0700e6;
  26
  27 const unsigned int kUsbFunctionKey    = 0x07003a;  // F1
  28 const unsigned int kUsbExtendedKey    = 0x070049;  // Insert
  29 const unsigned int kUsbOtherKey       = 0x07002b;  // Tab
  30
  31 // A hardcoded value used to verify |lock_states| is preserved.
  32 static const uint32 kTestLockStates = protocol::KeyEvent::LOCK_STATES_NUMLOCK;
  33
  34 MATCHER_P2(EqualsKeyEvent, usb_keycode, pressed, "") {
  35   return arg.usb_keycode() == static_cast<uint32>(usb_keycode) &&
  36          arg.pressed() == pressed &&
  37          arg.lock_states() == kTestLockStates;
  38 }
  39
  40 KeyEvent MakeKeyEvent(uint32 keycode, bool pressed) {
  41   KeyEvent event;
  42   event.set_usb_keycode(keycode);
  43   event.set_pressed(pressed);
  44   event.set_lock_states(kTestLockStates);
  45   return event;
  46 }
  47
  48 void PressAndReleaseKey(InputStub* input_stub, uint32 keycode) {
  49   input_stub->InjectKeyEvent(MakeKeyEvent(keycode, true));
  50   input_stub->InjectKeyEvent(MakeKeyEvent(keycode, false));
  51 }
  52
  53 MATCHER_P2(EqualsMouseMoveEvent, x, y, "") {
  54   return arg.x() == x && arg.y() == y;
  55 }
  56
  57 MATCHER_P2(EqualsMouseButtonEvent, button, button_down, "") {
  58   return arg.button() == button && arg.button_down() == button_down;
  59 }
  60
  61 static MouseEvent MakeMouseMoveEvent(int x, int y) {
  62   MouseEvent event;
  63   event.set_x(x);
  64   event.set_y(y);
  65   return event;
  66 }
  67
  68 static MouseEvent MakeMouseButtonEvent(MouseEvent::MouseButton button,
  69                                        bool button_down) {
  70   MouseEvent event;
  71   event.set_button(button);
  72   event.set_button_down(button_down);
  73   return event;
  74 }
  75
  76 }  // namespace
  77
  78 // Test OSKey press/release.
  79 TEST(NormalizingInputFilterCrosTest, PressReleaseOsKey) {
  80   MockInputStub stub;
  81   scoped_ptr<protocol::InputFilter> processor(
  82       new NormalizingInputFilterCros(&stub));
  83
  84   {
  85     InSequence s;
  86
  87     EXPECT_CALL(stub, InjectKeyEvent(EqualsKeyEvent(kUsbLeftOsKey, true)));
  88     EXPECT_CALL(stub, InjectKeyEvent(EqualsKeyEvent(kUsbLeftOsKey, false)));
  89
  90     EXPECT_CALL(stub, InjectKeyEvent(EqualsKeyEvent(kUsbRightOsKey, true)));
  91     EXPECT_CALL(stub, InjectKeyEvent(EqualsKeyEvent(kUsbRightOsKey, false)));
  92   }
  93
  94   // Inject press & release events for left & right OSKeys.
  95   PressAndReleaseKey(processor.get(), kUsbLeftOsKey);
  96   PressAndReleaseKey(processor.get(), kUsbRightOsKey);
  97 }
  98
  99 // Test OSKey key repeat switches it to "modifying" mode.
 100 TEST(NormalizingInputFilterCrosTest, OSKeyRepeats) {
 101   MockInputStub stub;
 102   scoped_ptr<protocol::InputFilter> processor(
 103       new NormalizingInputFilterCros(&stub));
 104
 105   {
 106     InSequence s;
 107
 108     EXPECT_CALL(stub, InjectKeyEvent(EqualsKeyEvent(kUsbLeftOsKey, true)));
 109     EXPECT_CALL(stub, InjectKeyEvent(EqualsKeyEvent(kUsbLeftOsKey, true)));
 110     EXPECT_CALL(stub, InjectKeyEvent(EqualsKeyEvent(kUsbLeftOsKey, true)));
 111   }
 112
 113   // Inject a press and repeats for the left OSKey, but don't release it, and
 114   // verify that the repeats result in press events.
 115   processor->InjectKeyEvent(MakeKeyEvent(kUsbLeftOsKey, true));
 116   processor->InjectKeyEvent(MakeKeyEvent(kUsbLeftOsKey, true));
 117   processor->InjectKeyEvent(MakeKeyEvent(kUsbLeftOsKey, true));
 118 }
 119
 120 // Test OSKey press followed by function key press and release results in
 121 // just the function key events.
 122 TEST(NormalizingInputFilterCrosTest, FunctionKey) {
 123   MockInputStub stub;
 124   scoped_ptr<protocol::InputFilter> processor(
 125       new NormalizingInputFilterCros(&stub));
 126
 127   {
 128     InSequence s;
 129
 130     EXPECT_CALL(stub, InjectKeyEvent(EqualsKeyEvent(kUsbFunctionKey, true)));
 131     EXPECT_CALL(stub, InjectKeyEvent(EqualsKeyEvent(kUsbFunctionKey, false)));
 132   }
 133
 134   // Hold the left OSKey while pressing & releasing the function key.
 135   processor->InjectKeyEvent(MakeKeyEvent(kUsbLeftOsKey, true));
 136   PressAndReleaseKey(processor.get(), kUsbFunctionKey);
 137   processor->InjectKeyEvent(MakeKeyEvent(kUsbLeftOsKey, false));
 138 }
 139
 140 // Test OSKey press followed by extended key press and release results in
 141 // just the function key events.
 142 TEST(NormalizingInputFilterCrosTest, ExtendedKey) {
 143   MockInputStub stub;
 144   scoped_ptr<protocol::InputFilter> processor(
 145       new NormalizingInputFilterCros(&stub));
 146
 147   {
 148     InSequence s;
 149
 150     EXPECT_CALL(stub, InjectKeyEvent(EqualsKeyEvent(kUsbExtendedKey, true)));
 151     EXPECT_CALL(stub, InjectKeyEvent(EqualsKeyEvent(kUsbExtendedKey, false)));
 152   }
 153
 154   // Hold the left OSKey while pressing & releasing the function key.
 155   processor->InjectKeyEvent(MakeKeyEvent(kUsbLeftOsKey, true));
 156   PressAndReleaseKey(processor.get(), kUsbExtendedKey);
 157   processor->InjectKeyEvent(MakeKeyEvent(kUsbLeftOsKey, false));
 158 }
 159
 160 // Test OSKey press followed by non-function, non-extended key press and release
 161 // results in normal-looking sequence.
 162 TEST(NormalizingInputFilterCrosTest, OtherKey) {
 163   MockInputStub stub;
 164   scoped_ptr<protocol::InputFilter> processor(
 165       new NormalizingInputFilterCros(&stub));
 166
 167   {
 168     InSequence s;
 169
 170     EXPECT_CALL(stub, InjectKeyEvent(EqualsKeyEvent(kUsbLeftOsKey, true)));
 171     EXPECT_CALL(stub, InjectKeyEvent(EqualsKeyEvent(kUsbOtherKey, true)));
 172     EXPECT_CALL(stub, InjectKeyEvent(EqualsKeyEvent(kUsbOtherKey, false)));
 173     EXPECT_CALL(stub, InjectKeyEvent(EqualsKeyEvent(kUsbLeftOsKey, false)));
 174   }
 175
 176   // Hold the left OSKey while pressing & releasing the function key.
 177   processor->InjectKeyEvent(MakeKeyEvent(kUsbLeftOsKey, true));
 178   PressAndReleaseKey(processor.get(), kUsbOtherKey);
 179   processor->InjectKeyEvent(MakeKeyEvent(kUsbLeftOsKey, false));
 180 }
 181
 182 // Test OSKey press followed by extended key press, then normal key press
 183 // results in OSKey switching to modifying mode for the normal key.
 184 TEST(NormalizingInputFilterCrosTest, ExtendedThenOtherKey) {
 185   MockInputStub stub;
 186   scoped_ptr<protocol::InputFilter> processor(
 187       new NormalizingInputFilterCros(&stub));
 188
 189   {
 190     InSequence s;
 191
 192     EXPECT_CALL(stub, InjectKeyEvent(EqualsKeyEvent(kUsbExtendedKey, true)));
 193     EXPECT_CALL(stub, InjectKeyEvent(EqualsKeyEvent(kUsbExtendedKey, false)));
 194     EXPECT_CALL(stub, InjectKeyEvent(EqualsKeyEvent(kUsbLeftOsKey, true)));
 195     EXPECT_CALL(stub, InjectKeyEvent(EqualsKeyEvent(kUsbOtherKey, true)));
 196     EXPECT_CALL(stub, InjectKeyEvent(EqualsKeyEvent(kUsbOtherKey, false)));
 197     EXPECT_CALL(stub, InjectKeyEvent(EqualsKeyEvent(kUsbLeftOsKey, false)));
 198   }
 199
 200   // Hold the left OSKey while pressing & releasing the function key.
 201   processor->InjectKeyEvent(MakeKeyEvent(kUsbLeftOsKey, true));
 202   PressAndReleaseKey(processor.get(), kUsbExtendedKey);
 203   PressAndReleaseKey(processor.get(), kUsbOtherKey);
 204   processor->InjectKeyEvent(MakeKeyEvent(kUsbLeftOsKey, false));
 205 }
 206
 207 // Test OSKey press followed by mouse event puts the OSKey into modifying mode.
 208 TEST(NormalizingInputFilterCrosTest, MouseEvent) {
 209   MockInputStub stub;
 210   scoped_ptr<protocol::InputFilter> processor(
 211       new NormalizingInputFilterCros(&stub));
 212
 213   {
 214     InSequence s;
 215
 216     EXPECT_CALL(stub, InjectKeyEvent(EqualsKeyEvent(kUsbLeftOsKey, true)));
 217     EXPECT_CALL(stub, InjectMouseEvent(EqualsMouseMoveEvent(0, 0)));
 218     EXPECT_CALL(stub, InjectKeyEvent(EqualsKeyEvent(kUsbLeftOsKey, false)));
 219   }
 220
 221   // Hold the left OSKey while pressing & releasing the function key.
 222   processor->InjectKeyEvent(MakeKeyEvent(kUsbLeftOsKey, true));
 223   processor->InjectMouseEvent(MakeMouseMoveEvent(0, 0));
 224   processor->InjectKeyEvent(MakeKeyEvent(kUsbLeftOsKey, false));
 225 }
 226
 227 // Test left alt + right click is remapped to left alt + left click.
 228 TEST(NormalizingInputFilterCrosTest, LeftAltClick) {
 229   MockInputStub stub;
 230   scoped_ptr<protocol::InputFilter> processor(
 231       new NormalizingInputFilterCros(&stub));
 232
 233   {
 234     InSequence s;
 235
 236     EXPECT_CALL(stub, InjectKeyEvent(EqualsKeyEvent(kUsbLeftAltKey, true)));
 237     EXPECT_CALL(stub, InjectMouseEvent(
 238         EqualsMouseButtonEvent(MouseEvent::BUTTON_LEFT, true)));
 239     EXPECT_CALL(stub, InjectMouseEvent(
 240         EqualsMouseButtonEvent(MouseEvent::BUTTON_LEFT, false)));
 241     EXPECT_CALL(stub, InjectKeyEvent(EqualsKeyEvent(kUsbLeftAltKey, false)));
 242   }
 243
 244   // Hold the left alt key while left-clicking. ChromeOS will rewrite this as
 245   // Alt+RightClick
 246   processor->InjectKeyEvent(MakeKeyEvent(kUsbLeftAltKey, true));
 247   processor->InjectMouseEvent(
 248       MakeMouseButtonEvent(MouseEvent::BUTTON_RIGHT, true));
 249   processor->InjectMouseEvent(
 250       MakeMouseButtonEvent(MouseEvent::BUTTON_RIGHT, false));
 251   processor->InjectKeyEvent(MakeKeyEvent(kUsbLeftAltKey, false));
 252 }
 253
 254 // Test that right alt + right click is unchanged.
 255 TEST(NormalizingInputFilterCrosTest, RightAltClick) {
 256   MockInputStub stub;
 257   scoped_ptr<protocol::InputFilter> processor(
 258       new NormalizingInputFilterCros(&stub));
 259
 260   {
 261     InSequence s;
 262
 263     EXPECT_CALL(stub, InjectKeyEvent(EqualsKeyEvent(kUsbRightAltKey, true)));
 264     EXPECT_CALL(stub, InjectMouseEvent(
 265         EqualsMouseButtonEvent(MouseEvent::BUTTON_RIGHT, true)));
 266     EXPECT_CALL(stub, InjectMouseEvent(
 267         EqualsMouseButtonEvent(MouseEvent::BUTTON_RIGHT, false)));
 268     EXPECT_CALL(stub, InjectKeyEvent(EqualsKeyEvent(kUsbRightAltKey, false)));
 269   }
 270
 271   // Hold the right alt key while left-clicking. ChromeOS will rewrite this as
 272   // Alt+RightClick
 273   processor->InjectKeyEvent(MakeKeyEvent(kUsbRightAltKey, true));
 274   processor->InjectMouseEvent(
 275       MakeMouseButtonEvent(MouseEvent::BUTTON_RIGHT, true));
 276   processor->InjectMouseEvent(
 277       MakeMouseButtonEvent(MouseEvent::BUTTON_RIGHT, false));
 278   processor->InjectKeyEvent(MakeKeyEvent(kUsbRightAltKey, false));
 279 }
 280
 281 }  // namespace remoting