1 /*
2 * Copyright (C) 2017 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 <general_test/estimated_host_time_test.h>
18
19 #include <shared/nano_endian.h>
20 #include <shared/nano_string.h>
21 #include <shared/send_message.h>
22
23 #include "chre_api/chre.h"
24
25 namespace general_test {
26
EstimatedHostTimeTest()27 EstimatedHostTimeTest::EstimatedHostTimeTest()
28 : Test(CHRE_API_VERSION_1_1),
29 mTimerHandle(CHRE_TIMER_INVALID),
30 mRemainingIterations(25) {}
31
setUp(uint32_t,const void *)32 void EstimatedHostTimeTest::setUp(uint32_t /* messageSize */,
33 const void * /* message */) {
34 mPriorHostTime = chreGetEstimatedHostTime();
35
36 constexpr uint64_t timerInterval = 100000000; // 100 ms
37
38 mTimerHandle =
39 chreTimerSet(timerInterval, &mTimerHandle, false /* oneShot */);
40
41 if (mTimerHandle == CHRE_TIMER_INVALID) {
42 nanoapp_testing::sendFatalFailureToHost(
43 "Unable to set timer for time verification");
44 }
45 }
46
handleEvent(uint32_t,uint16_t eventType,const void *)47 void EstimatedHostTimeTest::handleEvent(uint32_t /* senderInstanceId */,
48 uint16_t eventType,
49 const void * /* eventData */) {
50 if (eventType == CHRE_EVENT_TIMER) {
51 verifyIncreasingTime();
52 } else {
53 // Send the estimated host time to the AP for validation.
54 uint64_t currentHostTime = chreGetEstimatedHostTime();
55 nanoapp_testing::sendMessageToHost(nanoapp_testing::MessageType::kContinue,
56 ¤tHostTime,
57 sizeof(currentHostTime));
58 }
59 }
60
verifyIncreasingTime()61 void EstimatedHostTimeTest::verifyIncreasingTime() {
62 if (mRemainingIterations > 0) {
63 uint64_t currentHostTime = chreGetEstimatedHostTime();
64
65 if (currentHostTime > mPriorHostTime) {
66 chreTimerCancel(mTimerHandle);
67 nanoapp_testing::sendMessageToHost(
68 nanoapp_testing::MessageType::kContinue);
69 } else {
70 mPriorHostTime = currentHostTime;
71 }
72
73 --mRemainingIterations;
74 } else {
75 nanoapp_testing::sendFatalFailureToHost("Unable to verify increasing time");
76 }
77 }
78
79 } // namespace general_test
80