1 /*
2 * Copyright 2023 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 "KeyboardInputMapper.h"
18
19 #include <gtest/gtest.h>
20
21 #include "InputMapperTest.h"
22 #include "InterfaceMocks.h"
23
24 #define TAG "KeyboardInputMapper_test"
25
26 namespace android {
27
28 using testing::_;
29 using testing::Args;
30 using testing::DoAll;
31 using testing::Return;
32 using testing::SetArgPointee;
33
34 /**
35 * Unit tests for KeyboardInputMapper.
36 */
37 class KeyboardInputMapperUnitTest : public InputMapperUnitTest {
38 protected:
39 sp<FakeInputReaderPolicy> mFakePolicy;
40 const std::unordered_map<int32_t, int32_t> mKeyCodeMap{{KEY_0, AKEYCODE_0},
41 {KEY_A, AKEYCODE_A},
42 {KEY_LEFTCTRL, AKEYCODE_CTRL_LEFT},
43 {KEY_LEFTALT, AKEYCODE_ALT_LEFT},
44 {KEY_RIGHTALT, AKEYCODE_ALT_RIGHT},
45 {KEY_LEFTSHIFT, AKEYCODE_SHIFT_LEFT},
46 {KEY_RIGHTSHIFT, AKEYCODE_SHIFT_RIGHT},
47 {KEY_FN, AKEYCODE_FUNCTION},
48 {KEY_LEFTCTRL, AKEYCODE_CTRL_LEFT},
49 {KEY_RIGHTCTRL, AKEYCODE_CTRL_RIGHT},
50 {KEY_LEFTMETA, AKEYCODE_META_LEFT},
51 {KEY_RIGHTMETA, AKEYCODE_META_RIGHT},
52 {KEY_CAPSLOCK, AKEYCODE_CAPS_LOCK},
53 {KEY_NUMLOCK, AKEYCODE_NUM_LOCK},
54 {KEY_SCROLLLOCK, AKEYCODE_SCROLL_LOCK}};
55
SetUp()56 void SetUp() override {
57 InputMapperUnitTest::SetUp();
58 createDevice();
59
60 // set key-codes expected in tests
61 for (const auto& [scanCode, outKeycode] : mKeyCodeMap) {
62 EXPECT_CALL(mMockEventHub, mapKey(EVENTHUB_ID, scanCode, _, _, _, _, _))
63 .WillRepeatedly(DoAll(SetArgPointee<4>(outKeycode), Return(NO_ERROR)));
64 }
65
66 mFakePolicy = sp<FakeInputReaderPolicy>::make();
67 EXPECT_CALL(mMockInputReaderContext, getPolicy).WillRepeatedly(Return(mFakePolicy.get()));
68
69 mMapper = createInputMapper<KeyboardInputMapper>(*mDeviceContext, mReaderConfiguration,
70 AINPUT_SOURCE_KEYBOARD);
71 }
72
testTouchpadTapStateForKeys(const std::vector<int32_t> & keyCodes,const bool expectPrevent)73 void testTouchpadTapStateForKeys(const std::vector<int32_t>& keyCodes,
74 const bool expectPrevent) {
75 if (expectPrevent) {
76 EXPECT_CALL(mMockInputReaderContext, setPreventingTouchpadTaps(true))
77 .Times(keyCodes.size());
78 }
79 for (int32_t keyCode : keyCodes) {
80 process(EV_KEY, keyCode, 1);
81 process(EV_SYN, SYN_REPORT, 0);
82 process(EV_KEY, keyCode, 0);
83 process(EV_SYN, SYN_REPORT, 0);
84 }
85 }
86 };
87
88 /**
89 * Touchpad tap should not be disabled if there is no active Input Method Connection
90 */
TEST_F(KeyboardInputMapperUnitTest,KeystrokesWithoutIMeConnectionDontDisableTouchpadTap)91 TEST_F(KeyboardInputMapperUnitTest, KeystrokesWithoutIMeConnectionDontDisableTouchpadTap) {
92 testTouchpadTapStateForKeys({KEY_0, KEY_A, KEY_LEFTCTRL}, /* expectPrevent= */ false);
93 }
94
95 /**
96 * Touchpad tap should be disabled if there is a active Input Method Connection
97 */
TEST_F(KeyboardInputMapperUnitTest,AlphanumericKeystrokesWithIMeConnectionDisableTouchpadTap)98 TEST_F(KeyboardInputMapperUnitTest, AlphanumericKeystrokesWithIMeConnectionDisableTouchpadTap) {
99 mFakePolicy->setIsInputMethodConnectionActive(true);
100 testTouchpadTapStateForKeys({KEY_0, KEY_A}, /* expectPrevent= */ true);
101 }
102
103 /**
104 * Touchpad tap should not be disabled by meta keys even if Input Method Connection is active
105 */
TEST_F(KeyboardInputMapperUnitTest,MetaKeystrokesWithIMeConnectionDontDisableTouchpadTap)106 TEST_F(KeyboardInputMapperUnitTest, MetaKeystrokesWithIMeConnectionDontDisableTouchpadTap) {
107 mFakePolicy->setIsInputMethodConnectionActive(true);
108 std::vector<int32_t> metaKeys{KEY_LEFTALT, KEY_RIGHTALT, KEY_LEFTSHIFT, KEY_RIGHTSHIFT,
109 KEY_FN, KEY_LEFTCTRL, KEY_RIGHTCTRL, KEY_LEFTMETA,
110 KEY_RIGHTMETA, KEY_CAPSLOCK, KEY_NUMLOCK, KEY_SCROLLLOCK};
111 testTouchpadTapStateForKeys(metaKeys, /* expectPrevent= */ false);
112 }
113
TEST_F(KeyboardInputMapperUnitTest,KeyPressTimestampRecorded)114 TEST_F(KeyboardInputMapperUnitTest, KeyPressTimestampRecorded) {
115 nsecs_t when = ARBITRARY_TIME;
116 std::vector<int32_t> keyCodes{KEY_0, KEY_A, KEY_LEFTCTRL, KEY_RIGHTALT, KEY_LEFTSHIFT};
117 EXPECT_CALL(mMockInputReaderContext, setLastKeyDownTimestamp)
118 .With(Args<0>(when))
119 .Times(keyCodes.size());
120 for (int32_t keyCode : keyCodes) {
121 process(when, EV_KEY, keyCode, 1);
122 process(when, EV_SYN, SYN_REPORT, 0);
123 process(when, EV_KEY, keyCode, 0);
124 process(when, EV_SYN, SYN_REPORT, 0);
125 }
126 }
127
128 } // namespace android
129