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/*
* 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 when) {
}
virtual nsecs_t notifyANR(const sp<InputApplicationHandle>& inputApplicationHandle,
const sp<InputWindowHandle>& inputWindowHandle,
const String8& reason) {
return 0;
}
virtual void notifyInputChannelBroken(const sp<InputWindowHandle>& inputWindowHandle) {
}
virtual void getDispatcherConfiguration(InputDispatcherConfiguration* outConfig) {
*outConfig = mConfig;
}
virtual bool filterInputEvent(const InputEvent* inputEvent, uint32_t policyFlags) {
return true;
}
virtual void interceptKeyBeforeQueueing(const KeyEvent* keyEvent, uint32_t& policyFlags) {
}
virtual void interceptMotionBeforeQueueing(nsecs_t when, uint32_t& policyFlags) {
}
virtual nsecs_t interceptKeyBeforeDispatching(const sp<InputWindowHandle>& inputWindowHandle,
const KeyEvent* keyEvent, uint32_t policyFlags) {
return 0;
}
virtual bool dispatchUnhandledKey(const sp<InputWindowHandle>& inputWindowHandle,
const KeyEvent* keyEvent, uint32_t policyFlags, KeyEvent* outFallbackKeyEvent) {
return false;
}
virtual void notifySwitch(nsecs_t when,
uint32_t switchValues, uint32_t switchMask, uint32_t policyFlags) {
}
virtual void pokeUserActivity(nsecs_t eventTime, int32_t eventType) {
}
virtual bool checkInjectEventsPermissionNonReentrant(
int32_t injectorPid, int32_t injectorUid) {
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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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
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