1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "../InputDispatcher.h" 18 19 #include <gtest/gtest.h> 20 #include <linux/input.h> 21 22 namespace android { 23 24 // An arbitrary time value. 25 static const nsecs_t ARBITRARY_TIME = 1234; 26 27 // An arbitrary device id. 28 static const int32_t DEVICE_ID = 1; 29 30 // An arbitrary injector pid / uid pair that has permission to inject events. 31 static const int32_t INJECTOR_PID = 999; 32 static const int32_t INJECTOR_UID = 1001; 33 34 35 // --- FakeInputDispatcherPolicy --- 36 37 class FakeInputDispatcherPolicy : public InputDispatcherPolicyInterface { 38 InputDispatcherConfiguration mConfig; 39 40 protected: 41 virtual ~FakeInputDispatcherPolicy() { 42 } 43 44 public: 45 FakeInputDispatcherPolicy() { 46 } 47 48 private: 49 virtual void notifyConfigurationChanged(nsecs_t when) { 50 } 51 52 virtual nsecs_t notifyANR(const sp<InputApplicationHandle>& inputApplicationHandle, 53 const sp<InputWindowHandle>& inputWindowHandle) { 54 return 0; 55 } 56 57 virtual void notifyInputChannelBroken(const sp<InputWindowHandle>& inputWindowHandle) { 58 } 59 60 virtual void getDispatcherConfiguration(InputDispatcherConfiguration* outConfig) { 61 *outConfig = mConfig; 62 } 63 64 virtual bool isKeyRepeatEnabled() { 65 return true; 66 } 67 68 virtual bool filterInputEvent(const InputEvent* inputEvent, uint32_t policyFlags) { 69 return true; 70 } 71 72 virtual void interceptKeyBeforeQueueing(const KeyEvent* keyEvent, uint32_t& policyFlags) { 73 } 74 75 virtual void interceptMotionBeforeQueueing(nsecs_t when, uint32_t& policyFlags) { 76 } 77 78 virtual nsecs_t interceptKeyBeforeDispatching(const sp<InputWindowHandle>& inputWindowHandle, 79 const KeyEvent* keyEvent, uint32_t policyFlags) { 80 return 0; 81 } 82 83 virtual bool dispatchUnhandledKey(const sp<InputWindowHandle>& inputWindowHandle, 84 const KeyEvent* keyEvent, uint32_t policyFlags, KeyEvent* outFallbackKeyEvent) { 85 return false; 86 } 87 88 virtual void notifySwitch(nsecs_t when, 89 uint32_t switchValues, uint32_t switchMask, uint32_t policyFlags) { 90 } 91 92 virtual void pokeUserActivity(nsecs_t eventTime, int32_t eventType) { 93 } 94 95 virtual bool checkInjectEventsPermissionNonReentrant( 96 int32_t injectorPid, int32_t injectorUid) { 97 return false; 98 } 99 }; 100 101 102 // --- InputDispatcherTest --- 103 104 class InputDispatcherTest : public testing::Test { 105 protected: 106 sp<FakeInputDispatcherPolicy> mFakePolicy; 107 sp<InputDispatcher> mDispatcher; 108 109 virtual void SetUp() { 110 mFakePolicy = new FakeInputDispatcherPolicy(); 111 mDispatcher = new InputDispatcher(mFakePolicy); 112 } 113 114 virtual void TearDown() { 115 mFakePolicy.clear(); 116 mDispatcher.clear(); 117 } 118 }; 119 120 121 TEST_F(InputDispatcherTest, InjectInputEvent_ValidatesKeyEvents) { 122 KeyEvent event; 123 124 // Rejects undefined key actions. 125 event.initialize(DEVICE_ID, AINPUT_SOURCE_KEYBOARD, 126 /*action*/ -1, 0, 127 AKEYCODE_A, KEY_A, AMETA_NONE, 0, ARBITRARY_TIME, ARBITRARY_TIME); 128 ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event, 129 INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0)) 130 << "Should reject key events with undefined action."; 131 132 // Rejects ACTION_MULTIPLE since it is not supported despite being defined in the API. 133 event.initialize(DEVICE_ID, AINPUT_SOURCE_KEYBOARD, 134 AKEY_EVENT_ACTION_MULTIPLE, 0, 135 AKEYCODE_A, KEY_A, AMETA_NONE, 0, ARBITRARY_TIME, ARBITRARY_TIME); 136 ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event, 137 INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0)) 138 << "Should reject key events with ACTION_MULTIPLE."; 139 } 140 141 TEST_F(InputDispatcherTest, InjectInputEvent_ValidatesMotionEvents) { 142 MotionEvent event; 143 PointerProperties pointerProperties[MAX_POINTERS + 1]; 144 PointerCoords pointerCoords[MAX_POINTERS + 1]; 145 for (int i = 0; i <= MAX_POINTERS; i++) { 146 pointerProperties[i].clear(); 147 pointerProperties[i].id = i; 148 pointerCoords[i].clear(); 149 } 150 151 // Rejects undefined motion actions. 152 event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN, 153 /*action*/ -1, 0, 0, AMETA_NONE, 0, 0, 0, 0, 0, 154 ARBITRARY_TIME, ARBITRARY_TIME, 155 /*pointerCount*/ 1, pointerProperties, pointerCoords); 156 ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event, 157 INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0)) 158 << "Should reject motion events with undefined action."; 159 160 // Rejects pointer down with invalid index. 161 event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN, 162 AMOTION_EVENT_ACTION_POINTER_DOWN | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT), 163 0, 0, AMETA_NONE, 0, 0, 0, 0, 0, 164 ARBITRARY_TIME, ARBITRARY_TIME, 165 /*pointerCount*/ 1, pointerProperties, pointerCoords); 166 ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event, 167 INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0)) 168 << "Should reject motion events with pointer down index too large."; 169 170 event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN, 171 AMOTION_EVENT_ACTION_POINTER_DOWN | (-1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT), 172 0, 0, AMETA_NONE, 0, 0, 0, 0, 0, 173 ARBITRARY_TIME, ARBITRARY_TIME, 174 /*pointerCount*/ 1, pointerProperties, pointerCoords); 175 ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event, 176 INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0)) 177 << "Should reject motion events with pointer down index too small."; 178 179 // Rejects pointer up with invalid index. 180 event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN, 181 AMOTION_EVENT_ACTION_POINTER_UP | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT), 182 0, 0, AMETA_NONE, 0, 0, 0, 0, 0, 183 ARBITRARY_TIME, ARBITRARY_TIME, 184 /*pointerCount*/ 1, pointerProperties, pointerCoords); 185 ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event, 186 INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0)) 187 << "Should reject motion events with pointer up index too large."; 188 189 event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN, 190 AMOTION_EVENT_ACTION_POINTER_UP | (-1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT), 191 0, 0, AMETA_NONE, 0, 0, 0, 0, 0, 192 ARBITRARY_TIME, ARBITRARY_TIME, 193 /*pointerCount*/ 1, pointerProperties, pointerCoords); 194 ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event, 195 INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0)) 196 << "Should reject motion events with pointer up index too small."; 197 198 // Rejects motion events with invalid number of pointers. 199 event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN, 200 AMOTION_EVENT_ACTION_DOWN, 0, 0, AMETA_NONE, 0, 0, 0, 0, 0, 201 ARBITRARY_TIME, ARBITRARY_TIME, 202 /*pointerCount*/ 0, pointerProperties, pointerCoords); 203 ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event, 204 INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0)) 205 << "Should reject motion events with 0 pointers."; 206 207 event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN, 208 AMOTION_EVENT_ACTION_DOWN, 0, 0, AMETA_NONE, 0, 0, 0, 0, 0, 209 ARBITRARY_TIME, ARBITRARY_TIME, 210 /*pointerCount*/ MAX_POINTERS + 1, pointerProperties, pointerCoords); 211 ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event, 212 INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0)) 213 << "Should reject motion events with more than MAX_POINTERS pointers."; 214 215 // Rejects motion events with invalid pointer ids. 216 pointerProperties[0].id = -1; 217 event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN, 218 AMOTION_EVENT_ACTION_DOWN, 0, 0, AMETA_NONE, 0, 0, 0, 0, 0, 219 ARBITRARY_TIME, ARBITRARY_TIME, 220 /*pointerCount*/ 1, pointerProperties, pointerCoords); 221 ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event, 222 INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0)) 223 << "Should reject motion events with pointer ids less than 0."; 224 225 pointerProperties[0].id = MAX_POINTER_ID + 1; 226 event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN, 227 AMOTION_EVENT_ACTION_DOWN, 0, 0, AMETA_NONE, 0, 0, 0, 0, 0, 228 ARBITRARY_TIME, ARBITRARY_TIME, 229 /*pointerCount*/ 1, pointerProperties, pointerCoords); 230 ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event, 231 INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0)) 232 << "Should reject motion events with pointer ids greater than MAX_POINTER_ID."; 233 234 // Rejects motion events with duplicate pointer ids. 235 pointerProperties[0].id = 1; 236 pointerProperties[1].id = 1; 237 event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN, 238 AMOTION_EVENT_ACTION_DOWN, 0, 0, AMETA_NONE, 0, 0, 0, 0, 0, 239 ARBITRARY_TIME, ARBITRARY_TIME, 240 /*pointerCount*/ 2, pointerProperties, pointerCoords); 241 ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event, 242 INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0)) 243 << "Should reject motion events with duplicate pointer ids."; 244 } 245 246 } // namespace android 247
