| /* | 
 |  * Copyright (C) 2010 The Android Open Source Project | 
 |  * | 
 |  * Licensed under the Apache License, Version 2.0 (the "License"); | 
 |  * you may not use this file except in compliance with the License. | 
 |  * You may obtain a copy of the License at | 
 |  * | 
 |  *      http://www.apache.org/licenses/LICENSE-2.0 | 
 |  * | 
 |  * Unless required by applicable law or agreed to in writing, software | 
 |  * distributed under the License is distributed on an "AS IS" BASIS, | 
 |  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
 |  * See the License for the specific language governing permissions and | 
 |  * limitations under the License. | 
 |  */ | 
 |  | 
 | #include "../InputDispatcher.h" | 
 |  | 
 | #include <gtest/gtest.h> | 
 | #include <linux/input.h> | 
 |  | 
 | namespace android { | 
 |  | 
 | // An arbitrary time value. | 
 | static const nsecs_t ARBITRARY_TIME = 1234; | 
 |  | 
 | // An arbitrary device id. | 
 | static const int32_t DEVICE_ID = 1; | 
 |  | 
 | // An arbitrary display id. | 
 | static const int32_t DISPLAY_ID = 0; | 
 |  | 
 | // An arbitrary injector pid / uid pair that has permission to inject events. | 
 | static const int32_t INJECTOR_PID = 999; | 
 | static const int32_t INJECTOR_UID = 1001; | 
 |  | 
 |  | 
 | // --- FakeInputDispatcherPolicy --- | 
 |  | 
 | class FakeInputDispatcherPolicy : public InputDispatcherPolicyInterface { | 
 |     InputDispatcherConfiguration mConfig; | 
 |  | 
 | protected: | 
 |     virtual ~FakeInputDispatcherPolicy() { | 
 |     } | 
 |  | 
 | public: | 
 |     FakeInputDispatcherPolicy() { | 
 |     } | 
 |  | 
 | private: | 
 |     virtual void notifyConfigurationChanged(nsecs_t) { | 
 |     } | 
 |  | 
 |     virtual nsecs_t notifyANR(const sp<InputApplicationHandle>&, | 
 |             const sp<InputWindowHandle>&, | 
 |             const std::string&) { | 
 |         return 0; | 
 |     } | 
 |  | 
 |     virtual void notifyInputChannelBroken(const sp<InputWindowHandle>&) { | 
 |     } | 
 |  | 
 |     virtual void getDispatcherConfiguration(InputDispatcherConfiguration* outConfig) { | 
 |         *outConfig = mConfig; | 
 |     } | 
 |  | 
 |     virtual bool filterInputEvent(const InputEvent*, uint32_t) { | 
 |         return true; | 
 |     } | 
 |  | 
 |     virtual void interceptKeyBeforeQueueing(const KeyEvent*, uint32_t&) { | 
 |     } | 
 |  | 
 |     virtual void interceptMotionBeforeQueueing(nsecs_t, uint32_t&) { | 
 |     } | 
 |  | 
 |     virtual nsecs_t interceptKeyBeforeDispatching(const sp<InputWindowHandle>&, | 
 |             const KeyEvent*, uint32_t) { | 
 |         return 0; | 
 |     } | 
 |  | 
 |     virtual bool dispatchUnhandledKey(const sp<InputWindowHandle>&, | 
 |             const KeyEvent*, uint32_t, KeyEvent*) { | 
 |         return false; | 
 |     } | 
 |  | 
 |     virtual void notifySwitch(nsecs_t, uint32_t, uint32_t, uint32_t) { | 
 |     } | 
 |  | 
 |     virtual void pokeUserActivity(nsecs_t, int32_t) { | 
 |     } | 
 |  | 
 |     virtual bool checkInjectEventsPermissionNonReentrant(int32_t, int32_t) { | 
 |         return false; | 
 |     } | 
 | }; | 
 |  | 
 |  | 
 | // --- InputDispatcherTest --- | 
 |  | 
 | class InputDispatcherTest : public testing::Test { | 
 | protected: | 
 |     sp<FakeInputDispatcherPolicy> mFakePolicy; | 
 |     sp<InputDispatcher> mDispatcher; | 
 |  | 
 |     virtual void SetUp() { | 
 |         mFakePolicy = new FakeInputDispatcherPolicy(); | 
 |         mDispatcher = new InputDispatcher(mFakePolicy); | 
 |     } | 
 |  | 
 |     virtual void TearDown() { | 
 |         mFakePolicy.clear(); | 
 |         mDispatcher.clear(); | 
 |     } | 
 | }; | 
 |  | 
 |  | 
 | TEST_F(InputDispatcherTest, InjectInputEvent_ValidatesKeyEvents) { | 
 |     KeyEvent event; | 
 |  | 
 |     // Rejects undefined key actions. | 
 |     event.initialize(DEVICE_ID, AINPUT_SOURCE_KEYBOARD, | 
 |             /*action*/ -1, 0, | 
 |             AKEYCODE_A, KEY_A, AMETA_NONE, 0, ARBITRARY_TIME, ARBITRARY_TIME); | 
 |     ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent( | 
 |             &event, DISPLAY_ID, | 
 |             INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0)) | 
 |             << "Should reject key events with undefined action."; | 
 |  | 
 |     // Rejects ACTION_MULTIPLE since it is not supported despite being defined in the API. | 
 |     event.initialize(DEVICE_ID, AINPUT_SOURCE_KEYBOARD, | 
 |             AKEY_EVENT_ACTION_MULTIPLE, 0, | 
 |             AKEYCODE_A, KEY_A, AMETA_NONE, 0, ARBITRARY_TIME, ARBITRARY_TIME); | 
 |     ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent( | 
 |             &event, DISPLAY_ID, | 
 |             INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0)) | 
 |             << "Should reject key events with ACTION_MULTIPLE."; | 
 | } | 
 |  | 
 | TEST_F(InputDispatcherTest, InjectInputEvent_ValidatesMotionEvents) { | 
 |     MotionEvent event; | 
 |     PointerProperties pointerProperties[MAX_POINTERS + 1]; | 
 |     PointerCoords pointerCoords[MAX_POINTERS + 1]; | 
 |     for (int i = 0; i <= MAX_POINTERS; i++) { | 
 |         pointerProperties[i].clear(); | 
 |         pointerProperties[i].id = i; | 
 |         pointerCoords[i].clear(); | 
 |     } | 
 |  | 
 |     // Rejects undefined motion actions. | 
 |     event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN, | 
 |             /*action*/ -1, 0, 0, 0, AMETA_NONE, 0, 0, 0, 0, 0, | 
 |             ARBITRARY_TIME, ARBITRARY_TIME, | 
 |             /*pointerCount*/ 1, pointerProperties, pointerCoords); | 
 |     ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent( | 
 |             &event, DISPLAY_ID, | 
 |             INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0)) | 
 |             << "Should reject motion events with undefined action."; | 
 |  | 
 |     // Rejects pointer down with invalid index. | 
 |     event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN, | 
 |             AMOTION_EVENT_ACTION_POINTER_DOWN | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT), | 
 |             0, 0, 0, AMETA_NONE, 0, 0, 0, 0, 0, | 
 |             ARBITRARY_TIME, ARBITRARY_TIME, | 
 |             /*pointerCount*/ 1, pointerProperties, pointerCoords); | 
 |     ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent( | 
 |             &event, DISPLAY_ID, | 
 |             INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0)) | 
 |             << "Should reject motion events with pointer down index too large."; | 
 |  | 
 |     event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN, | 
 |             AMOTION_EVENT_ACTION_POINTER_DOWN | (~0U << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT), | 
 |             0, 0, 0, AMETA_NONE, 0, 0, 0, 0, 0, | 
 |             ARBITRARY_TIME, ARBITRARY_TIME, | 
 |             /*pointerCount*/ 1, pointerProperties, pointerCoords); | 
 |     ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent( | 
 |             &event, DISPLAY_ID, | 
 |             INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0)) | 
 |             << "Should reject motion events with pointer down index too small."; | 
 |  | 
 |     // Rejects pointer up with invalid index. | 
 |     event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN, | 
 |             AMOTION_EVENT_ACTION_POINTER_UP | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT), | 
 |             0, 0, 0, AMETA_NONE, 0, 0, 0, 0, 0, | 
 |             ARBITRARY_TIME, ARBITRARY_TIME, | 
 |             /*pointerCount*/ 1, pointerProperties, pointerCoords); | 
 |     ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent( | 
 |             &event, DISPLAY_ID, | 
 |             INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0)) | 
 |             << "Should reject motion events with pointer up index too large."; | 
 |  | 
 |     event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN, | 
 |             AMOTION_EVENT_ACTION_POINTER_UP | (~0U << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT), | 
 |             0, 0, 0, AMETA_NONE, 0, 0, 0, 0, 0, | 
 |             ARBITRARY_TIME, ARBITRARY_TIME, | 
 |             /*pointerCount*/ 1, pointerProperties, pointerCoords); | 
 |     ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent( | 
 |             &event, DISPLAY_ID, | 
 |             INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0)) | 
 |             << "Should reject motion events with pointer up index too small."; | 
 |  | 
 |     // Rejects motion events with invalid number of pointers. | 
 |     event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN, | 
 |             AMOTION_EVENT_ACTION_DOWN, 0, 0, 0, AMETA_NONE, 0, 0, 0, 0, 0, | 
 |             ARBITRARY_TIME, ARBITRARY_TIME, | 
 |             /*pointerCount*/ 0, pointerProperties, pointerCoords); | 
 |     ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent( | 
 |             &event, DISPLAY_ID, | 
 |             INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0)) | 
 |             << "Should reject motion events with 0 pointers."; | 
 |  | 
 |     event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN, | 
 |             AMOTION_EVENT_ACTION_DOWN, 0, 0, 0, AMETA_NONE, 0, 0, 0, 0, 0, | 
 |             ARBITRARY_TIME, ARBITRARY_TIME, | 
 |             /*pointerCount*/ MAX_POINTERS + 1, pointerProperties, pointerCoords); | 
 |     ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent( | 
 |             &event, DISPLAY_ID, | 
 |             INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0)) | 
 |             << "Should reject motion events with more than MAX_POINTERS pointers."; | 
 |  | 
 |     // Rejects motion events with invalid pointer ids. | 
 |     pointerProperties[0].id = -1; | 
 |     event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN, | 
 |             AMOTION_EVENT_ACTION_DOWN, 0, 0, 0, AMETA_NONE, 0, 0, 0, 0, 0, | 
 |             ARBITRARY_TIME, ARBITRARY_TIME, | 
 |             /*pointerCount*/ 1, pointerProperties, pointerCoords); | 
 |     ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent( | 
 |             &event, DISPLAY_ID, | 
 |             INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0)) | 
 |             << "Should reject motion events with pointer ids less than 0."; | 
 |  | 
 |     pointerProperties[0].id = MAX_POINTER_ID + 1; | 
 |     event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN, | 
 |             AMOTION_EVENT_ACTION_DOWN, 0, 0, 0, AMETA_NONE, 0, 0, 0, 0, 0, | 
 |             ARBITRARY_TIME, ARBITRARY_TIME, | 
 |             /*pointerCount*/ 1, pointerProperties, pointerCoords); | 
 |     ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent( | 
 |             &event, DISPLAY_ID, | 
 |             INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0)) | 
 |             << "Should reject motion events with pointer ids greater than MAX_POINTER_ID."; | 
 |  | 
 |     // Rejects motion events with duplicate pointer ids. | 
 |     pointerProperties[0].id = 1; | 
 |     pointerProperties[1].id = 1; | 
 |     event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN, | 
 |             AMOTION_EVENT_ACTION_DOWN, 0, 0, 0, AMETA_NONE, 0, 0, 0, 0, 0, | 
 |             ARBITRARY_TIME, ARBITRARY_TIME, | 
 |             /*pointerCount*/ 2, pointerProperties, pointerCoords); | 
 |     ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent( | 
 |             &event, DISPLAY_ID, | 
 |             INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0)) | 
 |             << "Should reject motion events with duplicate pointer ids."; | 
 | } | 
 |  | 
 | } // namespace android |