1 /*
2 * Copyright (C) 2024 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 <cstdint>
18 #include <mutex>
19
20 #include "chre/platform/linux/system_time.h"
21
22 #include "gtest/gtest.h"
23 #include "inc/test_util.h"
24 #include "test_base.h"
25 #include "test_event.h"
26 #include "test_event_queue.h"
27 #include "test_util.h"
28
29 using ::chre::platform_linux::overrideMonotonicTime;
30 using ::chre::platform_linux::SystemTimeOverride;
31
32 namespace chre {
33 namespace {
34
35 class DelayEventTest : public TestBase {};
36
37 CREATE_CHRE_TEST_EVENT(DELAY_EVENT, 0);
38
39 constexpr Seconds kDelayEventInterval(2);
40 std::mutex gMutex;
41
42 class DelayEventNanoapp : public TestNanoapp {
43 public:
start()44 bool start() override {
45 return true;
46 }
47
handleEvent(uint32_t,uint16_t eventType,const void * eventData)48 void handleEvent(uint32_t, uint16_t eventType,
49 const void *eventData) override {
50 switch (eventType) {
51 case CHRE_EVENT_TEST_EVENT: {
52 auto event = static_cast<const TestEvent *>(eventData);
53 switch (event->type) {
54 case DELAY_EVENT: {
55 std::lock_guard<std::mutex> lock(gMutex);
56
57 if (!hasSeenDelayEvent) {
58 overrideMonotonicTime(SystemTime::getMonotonicTime() +
59 kDelayEventInterval);
60 hasSeenDelayEvent = true;
61 }
62 TestEventQueueSingleton::get()->pushEvent(DELAY_EVENT);
63 break;
64 }
65 }
66 }
67 }
68 }
69
70 private:
71 bool hasSeenDelayEvent = false;
72 };
73
TEST_F(DelayEventTest,DelayedEventIsFlagged)74 TEST_F(DelayEventTest, DelayedEventIsFlagged) {
75 constexpr uint32_t kDelayEventCount = 3;
76 SystemTimeOverride override(0);
77 uint64_t appId = loadNanoapp(MakeUnique<DelayEventNanoapp>());
78
79 testing::internal::CaptureStdout();
80 {
81 std::lock_guard<std::mutex> lock(gMutex);
82 for (uint32_t i = 0; i < kDelayEventCount; ++i) {
83 overrideMonotonicTime(SystemTime::getMonotonicTime() + Nanoseconds(1));
84 sendEventToNanoapp(appId, DELAY_EVENT);
85 }
86 }
87
88 for (uint32_t i = 0; i < kDelayEventCount; ++i) {
89 waitForEvent(DELAY_EVENT);
90 }
91
92 std::string output = testing::internal::GetCapturedStdout();
93 EXPECT_NE(output.find("Delayed event"), std::string::npos);
94 }
95
96 } // namespace
97 } // namespace chre