1 /*
2  * Copyright (C) 2016 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 #define LOG_TAG "vibrator_hidl_hal_test"
18 
19 #include <android-base/logging.h>
20 #include <android/hardware/vibrator/1.0/types.h>
21 #include <android/hardware/vibrator/1.3/IVibrator.h>
22 #include <gtest/gtest.h>
23 #include <hidl/GtestPrinter.h>
24 #include <hidl/ServiceManagement.h>
25 #include <unistd.h>
26 
27 using ::android::sp;
28 using ::android::hardware::hidl_enum_range;
29 using ::android::hardware::Return;
30 using ::android::hardware::Void;
31 using ::android::hardware::vibrator::V1_0::EffectStrength;
32 using ::android::hardware::vibrator::V1_0::Status;
33 using ::android::hardware::vibrator::V1_3::Effect;
34 using ::android::hardware::vibrator::V1_3::IVibrator;
35 
36 #define EXPECT_OK(ret) ASSERT_TRUE((ret).isOk())
37 
38 // The main test class for VIBRATOR HIDL HAL 1.3.
39 class VibratorHidlTest_1_3 : public ::testing::TestWithParam<std::string> {
40    public:
SetUp()41     virtual void SetUp() override {
42         vibrator = IVibrator::getService(GetParam());
43         ASSERT_NE(vibrator, nullptr);
44     }
45 
TearDown()46     virtual void TearDown() override {}
47 
48     sp<IVibrator> vibrator;
49 };
50 
TEST_P(VibratorHidlTest_1_3,ChangeVibrationalExternalControl)51 TEST_P(VibratorHidlTest_1_3, ChangeVibrationalExternalControl) {
52     if (vibrator->supportsExternalControl()) {
53         EXPECT_EQ(Status::OK, vibrator->setExternalControl(true));
54         sleep(1);
55         EXPECT_EQ(Status::OK, vibrator->setExternalControl(false));
56         sleep(1);
57     }
58 }
59 
TEST_P(VibratorHidlTest_1_3,SetExternalControlReturnUnsupportedOperationIfNotSupported)60 TEST_P(VibratorHidlTest_1_3, SetExternalControlReturnUnsupportedOperationIfNotSupported) {
61     if (!vibrator->supportsExternalControl()) {
62         EXPECT_EQ(Status::UNSUPPORTED_OPERATION, vibrator->setExternalControl(true));
63     }
64 }
65 
validatePerformEffectUnsupportedOperation(Status status,uint32_t lengthMs)66 static void validatePerformEffectUnsupportedOperation(Status status, uint32_t lengthMs) {
67     ASSERT_EQ(Status::UNSUPPORTED_OPERATION, status);
68     ASSERT_EQ(static_cast<uint32_t>(0), lengthMs)
69             << "Effects that return UNSUPPORTED_OPERATION must have a duration of zero";
70 }
71 
validatePerformEffect(Status status,uint32_t lengthMs)72 static void validatePerformEffect(Status status, uint32_t lengthMs) {
73     ASSERT_TRUE(status == Status::OK || status == Status::UNSUPPORTED_OPERATION);
74     if (status == Status::OK) {
75         ASSERT_LT(static_cast<uint32_t>(0), lengthMs)
76                 << "Effects that return OK must return a positive duration";
77     } else {
78         validatePerformEffectUnsupportedOperation(status, lengthMs);
79     }
80 }
81 
82 /*
83  * Test to make sure effects within the valid range return are either supported and return OK with
84  * a valid duration, or are unsupported and return UNSUPPORTED_OPERATION with a duration of 0.
85  */
TEST_P(VibratorHidlTest_1_3,PerformEffect_1_3)86 TEST_P(VibratorHidlTest_1_3, PerformEffect_1_3) {
87     for (const auto& effect : hidl_enum_range<Effect>()) {
88         for (const auto& strength : hidl_enum_range<EffectStrength>()) {
89             EXPECT_OK(vibrator->perform_1_3(effect, strength, validatePerformEffect));
90         }
91     }
92 }
93 
94 /*
95  * Test to make sure effect values above the valid range are rejected.
96  */
TEST_P(VibratorHidlTest_1_3,PerformEffect_1_3_BadEffects_AboveValidRange)97 TEST_P(VibratorHidlTest_1_3, PerformEffect_1_3_BadEffects_AboveValidRange) {
98     Effect effect = *std::prev(hidl_enum_range<Effect>().end());
99     Effect badEffect = static_cast<Effect>(static_cast<int32_t>(effect) + 1);
100     EXPECT_OK(vibrator->perform_1_3(badEffect, EffectStrength::LIGHT,
101                                     validatePerformEffectUnsupportedOperation));
102 }
103 
104 /*
105  * Test to make sure effect values below the valid range are rejected.
106  */
TEST_P(VibratorHidlTest_1_3,PerformEffect_1_3_BadEffects_BelowValidRange)107 TEST_P(VibratorHidlTest_1_3, PerformEffect_1_3_BadEffects_BelowValidRange) {
108     Effect effect = *hidl_enum_range<Effect>().begin();
109     Effect badEffect = static_cast<Effect>(static_cast<int32_t>(effect) - 1);
110     EXPECT_OK(vibrator->perform_1_3(badEffect, EffectStrength::LIGHT,
111                                     validatePerformEffectUnsupportedOperation));
112 }
113 
114 /*
115  * Test to make sure strength values above the valid range are rejected.
116  */
TEST_P(VibratorHidlTest_1_3,PerformEffect_1_3_BadStrength_AboveValidRange)117 TEST_P(VibratorHidlTest_1_3, PerformEffect_1_3_BadStrength_AboveValidRange) {
118     EffectStrength strength = *std::prev(hidl_enum_range<EffectStrength>().end());
119     EffectStrength badStrength = static_cast<EffectStrength>(static_cast<int32_t>(strength) + 1);
120     EXPECT_OK(vibrator->perform_1_3(Effect::THUD, badStrength,
121                                     validatePerformEffectUnsupportedOperation));
122 }
123 
124 /*
125  * Test to make sure strength values below the valid range are rejected.
126  */
TEST_P(VibratorHidlTest_1_3,PerformEffect_1_3_BadStrength_BelowValidRange)127 TEST_P(VibratorHidlTest_1_3, PerformEffect_1_3_BadStrength_BelowValidRange) {
128     EffectStrength strength = *hidl_enum_range<EffectStrength>().begin();
129     EffectStrength badStrength = static_cast<EffectStrength>(static_cast<int32_t>(strength) - 1);
130     EXPECT_OK(vibrator->perform_1_3(Effect::THUD, badStrength,
131                                     validatePerformEffectUnsupportedOperation));
132 }
133 
134 GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(VibratorHidlTest_1_3);
135 INSTANTIATE_TEST_SUITE_P(
136         PerInstance, VibratorHidlTest_1_3,
137         testing::ValuesIn(android::hardware::getAllHalInstanceNames(IVibrator::descriptor)),
138         android::hardware::PrintInstanceNameToString);
139