| /* |
| * 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 String8&) { |
| 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 | (-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 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 | (-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 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 |