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/*
* Copyright 2023 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 "KeyboardInputMapper.h"
#include <gtest/gtest.h>
#include "InputMapperTest.h"
#include "InterfaceMocks.h"
#define TAG "KeyboardInputMapper_test"
namespace android {
using testing::_;
using testing::Args;
using testing::DoAll;
using testing::Return;
using testing::SetArgPointee;
/**
* Unit tests for KeyboardInputMapper.
*/
class KeyboardInputMapperUnitTest : public InputMapperUnitTest {
protected:
sp<FakeInputReaderPolicy> mFakePolicy;
const std::unordered_map<int32_t, int32_t> mKeyCodeMap{{KEY_0, AKEYCODE_0},
{KEY_A, AKEYCODE_A},
{KEY_LEFTCTRL, AKEYCODE_CTRL_LEFT},
{KEY_LEFTALT, AKEYCODE_ALT_LEFT},
{KEY_RIGHTALT, AKEYCODE_ALT_RIGHT},
{KEY_LEFTSHIFT, AKEYCODE_SHIFT_LEFT},
{KEY_RIGHTSHIFT, AKEYCODE_SHIFT_RIGHT},
{KEY_FN, AKEYCODE_FUNCTION},
{KEY_LEFTCTRL, AKEYCODE_CTRL_LEFT},
{KEY_RIGHTCTRL, AKEYCODE_CTRL_RIGHT},
{KEY_LEFTMETA, AKEYCODE_META_LEFT},
{KEY_RIGHTMETA, AKEYCODE_META_RIGHT},
{KEY_CAPSLOCK, AKEYCODE_CAPS_LOCK},
{KEY_NUMLOCK, AKEYCODE_NUM_LOCK},
{KEY_SCROLLLOCK, AKEYCODE_SCROLL_LOCK}};
void SetUp() override {
InputMapperUnitTest::SetUp();
// set key-codes expected in tests
for (const auto& [scanCode, outKeycode] : mKeyCodeMap) {
EXPECT_CALL(mMockEventHub, mapKey(EVENTHUB_ID, scanCode, _, _, _, _, _))
.WillRepeatedly(DoAll(SetArgPointee<4>(outKeycode), Return(NO_ERROR)));
}
mFakePolicy = sp<FakeInputReaderPolicy>::make();
EXPECT_CALL(mMockInputReaderContext, getPolicy).WillRepeatedly(Return(mFakePolicy.get()));
mMapper = createInputMapper<KeyboardInputMapper>(*mDeviceContext, mReaderConfiguration,
AINPUT_SOURCE_KEYBOARD,
AINPUT_KEYBOARD_TYPE_ALPHABETIC);
}
void testPointerVisibilityForKeys(const std::vector<int32_t>& keyCodes, bool expectVisible) {
EXPECT_CALL(mMockInputReaderContext, fadePointer)
.Times(expectVisible ? 0 : keyCodes.size());
for (int32_t keyCode : keyCodes) {
process(EV_KEY, keyCode, 1);
process(EV_SYN, SYN_REPORT, 0);
process(EV_KEY, keyCode, 0);
process(EV_SYN, SYN_REPORT, 0);
}
}
void testTouchpadTapStateForKeys(const std::vector<int32_t>& keyCodes,
const bool expectPrevent) {
EXPECT_CALL(mMockInputReaderContext, isPreventingTouchpadTaps).Times(keyCodes.size());
if (expectPrevent) {
EXPECT_CALL(mMockInputReaderContext, setPreventingTouchpadTaps(true))
.Times(keyCodes.size());
}
for (int32_t keyCode : keyCodes) {
process(EV_KEY, keyCode, 1);
process(EV_SYN, SYN_REPORT, 0);
process(EV_KEY, keyCode, 0);
process(EV_SYN, SYN_REPORT, 0);
}
}
};
/**
* Pointer visibility should remain unaffected if there is no active Input Method Connection
*/
TEST_F(KeyboardInputMapperUnitTest, KeystrokesWithoutIMeConnectionDoesNotHidePointer) {
testPointerVisibilityForKeys({KEY_0, KEY_A, KEY_LEFTCTRL}, /* expectVisible= */ true);
}
/**
* Pointer should hide if there is a active Input Method Connection
*/
TEST_F(KeyboardInputMapperUnitTest, AlphanumericKeystrokesWithIMeConnectionHidePointer) {
mFakePolicy->setIsInputMethodConnectionActive(true);
testPointerVisibilityForKeys({KEY_0, KEY_A}, /* expectVisible= */ false);
}
/**
* Pointer should still hide if touchpad taps are already disabled
*/
TEST_F(KeyboardInputMapperUnitTest, AlphanumericKeystrokesWithTouchpadTapDisabledHidePointer) {
mFakePolicy->setIsInputMethodConnectionActive(true);
EXPECT_CALL(mMockInputReaderContext, isPreventingTouchpadTaps).WillRepeatedly(Return(true));
testPointerVisibilityForKeys({KEY_0, KEY_A}, /* expectVisible= */ false);
}
/**
* Pointer visibility should remain unaffected by meta keys even if Input Method Connection is
* active
*/
TEST_F(KeyboardInputMapperUnitTest, MetaKeystrokesWithIMeConnectionDoesNotHidePointer) {
mFakePolicy->setIsInputMethodConnectionActive(true);
std::vector<int32_t> metaKeys{KEY_LEFTALT, KEY_RIGHTALT, KEY_LEFTSHIFT, KEY_RIGHTSHIFT,
KEY_FN, KEY_LEFTCTRL, KEY_RIGHTCTRL, KEY_LEFTMETA,
KEY_RIGHTMETA, KEY_CAPSLOCK, KEY_NUMLOCK, KEY_SCROLLLOCK};
testPointerVisibilityForKeys(metaKeys, /* expectVisible= */ true);
}
/**
* Touchpad tap should not be disabled if there is no active Input Method Connection
*/
TEST_F(KeyboardInputMapperUnitTest, KeystrokesWithoutIMeConnectionDontDisableTouchpadTap) {
testTouchpadTapStateForKeys({KEY_0, KEY_A, KEY_LEFTCTRL}, /* expectPrevent= */ false);
}
/**
* Touchpad tap should be disabled if there is a active Input Method Connection
*/
TEST_F(KeyboardInputMapperUnitTest, AlphanumericKeystrokesWithIMeConnectionDisableTouchpadTap) {
mFakePolicy->setIsInputMethodConnectionActive(true);
testTouchpadTapStateForKeys({KEY_0, KEY_A}, /* expectPrevent= */ true);
}
/**
* Touchpad tap should not be disabled by meta keys even if Input Method Connection is active
*/
TEST_F(KeyboardInputMapperUnitTest, MetaKeystrokesWithIMeConnectionDontDisableTouchpadTap) {
mFakePolicy->setIsInputMethodConnectionActive(true);
std::vector<int32_t> metaKeys{KEY_LEFTALT, KEY_RIGHTALT, KEY_LEFTSHIFT, KEY_RIGHTSHIFT,
KEY_FN, KEY_LEFTCTRL, KEY_RIGHTCTRL, KEY_LEFTMETA,
KEY_RIGHTMETA, KEY_CAPSLOCK, KEY_NUMLOCK, KEY_SCROLLLOCK};
testTouchpadTapStateForKeys(metaKeys, /* expectPrevent= */ false);
}
TEST_F(KeyboardInputMapperUnitTest, KeyPressTimestampRecorded) {
nsecs_t when = ARBITRARY_TIME;
std::vector<int32_t> keyCodes{KEY_0, KEY_A, KEY_LEFTCTRL, KEY_RIGHTALT, KEY_LEFTSHIFT};
EXPECT_CALL(mMockInputReaderContext, setLastKeyDownTimestamp)
.With(Args<0>(when))
.Times(keyCodes.size());
for (int32_t keyCode : keyCodes) {
process(when, EV_KEY, keyCode, 1);
process(when, EV_SYN, SYN_REPORT, 0);
process(when, EV_KEY, keyCode, 0);
process(when, EV_SYN, SYN_REPORT, 0);
}
}
} // namespace android
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