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 "VtsFwkDisplayServiceV1_0TargetTest"
18
19 #include <android/frameworks/displayservice/1.0/IDisplayEventReceiver.h>
20 #include <android/frameworks/displayservice/1.0/IDisplayService.h>
21 #include <android/frameworks/displayservice/1.0/IEventCallback.h>
22 #include <log/log.h>
23 #include <VtsHalHidlTargetTestBase.h>
24
25 #include <atomic>
26 #include <chrono>
27 #include <cmath>
28 #include <inttypes.h>
29 #include <thread>
30
31 using ::android::frameworks::displayservice::V1_0::IDisplayEventReceiver;
32 using ::android::frameworks::displayservice::V1_0::IDisplayService;
33 using ::android::frameworks::displayservice::V1_0::IEventCallback;
34 using ::android::frameworks::displayservice::V1_0::Status;
35 using ::android::hardware::Return;
36 using ::android::hardware::Void;
37 using ::android::sp;
38 using namespace ::std::chrono_literals;
39
40 #define ASSERT_OK(ret) ASSERT_TRUE((ret).isOk())
41 #define EXPECT_SUCCESS(retExpr) do { \
42 Return<Status> retVal = (retExpr); \
43 ASSERT_OK(retVal); \
44 EXPECT_EQ(Status::SUCCESS, static_cast<Status>(retVal)); \
45 } while(false)
46 #define EXPECT_BAD_VALUE(retExpr) do { \
47 Return<Status> retVal = (retExpr); \
48 ASSERT_OK(retVal); \
49 EXPECT_EQ(Status::BAD_VALUE, static_cast<Status>(retVal)); \
50 } while(false)
51
52 #define MAX_INACCURACY 3
53
54 class TestCallback : public IEventCallback {
55 public:
onVsync(uint64_t timestamp,uint32_t count)56 Return<void> onVsync(uint64_t timestamp, uint32_t count) override {
57 ALOGE("onVsync: timestamp=%" PRIu64 " count=%d", timestamp, count);
58
59 vsyncs++;
60 return Void();
61 }
onHotplug(uint64_t timestamp,bool connected)62 Return<void> onHotplug(uint64_t timestamp, bool connected) override {
63 ALOGE("onVsync: timestamp=%" PRIu64 " connected=%s", timestamp, connected ? "true" : "false");
64
65 hotplugs++;
66 return Void();
67 }
68
69 std::atomic<int> vsyncs{0};
70 std::atomic<int> hotplugs{0};
71 };
72
73 class DisplayServiceTest : public ::testing::VtsHalHidlTargetTestBase {
74 public:
~DisplayServiceTest()75 ~DisplayServiceTest() {}
76
SetUp()77 virtual void SetUp() override {
78 sp<IDisplayService> service = ::testing::VtsHalHidlTargetTestBase::getService<IDisplayService>();
79
80 ASSERT_NE(service, nullptr);
81
82 Return<sp<IDisplayEventReceiver>> ret = service->getEventReceiver();
83 ASSERT_OK(ret);
84
85 receiver = ret;
86 ASSERT_NE(receiver, nullptr);
87
88
89 cb = new TestCallback();
90 EXPECT_SUCCESS(receiver->init(cb));
91 }
92
TearDown()93 virtual void TearDown() override {
94 EXPECT_SUCCESS(receiver->close());
95 }
96
97 sp<TestCallback> cb;
98 sp<IDisplayEventReceiver> receiver;
99 };
100
101 /**
102 * No vsync events should happen unless you explicitly request one.
103 */
TEST_F(DisplayServiceTest,TestAttachRequestVsync)104 TEST_F(DisplayServiceTest, TestAttachRequestVsync) {
105 EXPECT_EQ(0, cb->vsyncs);
106
107 EXPECT_SUCCESS(receiver->requestNextVsync());
108
109 std::this_thread::sleep_for(100ms); // framerate is not fixed on Android devices
110 EXPECT_EQ(1, cb->vsyncs);
111 }
112
113 /**
114 * Vsync rate respects count.
115 */
TEST_F(DisplayServiceTest,TestSetVsyncRate)116 TEST_F(DisplayServiceTest, TestSetVsyncRate) {
117 ASSERT_EQ(0, cb->vsyncs);
118
119 EXPECT_SUCCESS(receiver->setVsyncRate(1));
120 std::this_thread::sleep_for(250ms);
121 int at1 = cb->vsyncs;
122
123 cb->vsyncs = 0;
124 EXPECT_SUCCESS(receiver->setVsyncRate(2));
125 std::this_thread::sleep_for(250ms);
126 int at2 = cb->vsyncs;
127
128 cb->vsyncs = 0;
129 EXPECT_SUCCESS(receiver->setVsyncRate(4));
130 std::this_thread::sleep_for(250ms);
131 int at4 = cb->vsyncs;
132
133 EXPECT_NE(0, at1);
134 EXPECT_NE(0, at2);
135 EXPECT_NE(0, at4);
136
137 EXPECT_LE(std::abs(at1 - 2 * at2), 2 * MAX_INACCURACY);
138 EXPECT_LE(std::abs(at1 - 4 * at4), 4 * MAX_INACCURACY);
139 EXPECT_LE(std::abs(at2 - 2 * at4), 2 * MAX_INACCURACY);
140
141 ALOGE("Vsync counts: %d %d %d", at1, at2, at4);
142 }
143
144 /**
145 * Open/close should return proper error results.
146 */
TEST_F(DisplayServiceTest,TestOpenClose)147 TEST_F(DisplayServiceTest, TestOpenClose) {
148 EXPECT_BAD_VALUE(receiver->init(cb)); // already opened in SetUp
149 EXPECT_SUCCESS(receiver->close()); // can close what was originally opened
150 EXPECT_BAD_VALUE(receiver->close()); // can't close again
151 EXPECT_SUCCESS(receiver->init(cb)); // open so can close again in SetUp
152 }
153
154 /**
155 * Vsync must be given a value that is >= 0.
156 */
TEST_F(DisplayServiceTest,TestVsync)157 TEST_F(DisplayServiceTest, TestVsync) {
158 EXPECT_SUCCESS(receiver->setVsyncRate(0));
159 EXPECT_SUCCESS(receiver->setVsyncRate(5));
160 EXPECT_SUCCESS(receiver->setVsyncRate(0));
161 EXPECT_BAD_VALUE(receiver->setVsyncRate(-1));
162 EXPECT_BAD_VALUE(receiver->setVsyncRate(-1000));
163 }
164
main(int argc,char ** argv)165 int main(int argc, char **argv) {
166 ::testing::InitGoogleTest(&argc, argv);
167 int status = RUN_ALL_TESTS();
168 ALOGE("Test status = %d", status);
169 return status;
170 }
171