1 /*
2 * Copyright 2018 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 <stdio.h>
18 #include <stdlib.h>
19 #include <time.h>
20 #include <unistd.h>
21
22 #include <gtest/gtest.h>
23 #define LOG_TAG "VtsSelfTestFlakyTest"
24 #include <log/log.h>
25
26 class VtsSelfTestFlakyTest : public ::testing::Test {
27 public:
SetUp()28 virtual void SetUp() override {
29 struct timeval time;
30 gettimeofday(&time, NULL);
31
32 srand((time.tv_sec * 1000) + (time.tv_usec / 1000));
33 }
34
TearDown()35 virtual void TearDown() override {}
36 };
37
38 /**
39 * Always passing.
40 */
TEST_F(VtsSelfTestFlakyTest,TestAlwaysPassing1)41 TEST_F(VtsSelfTestFlakyTest, TestAlwaysPassing1) {
42 printf("PASS (with 100%% chance)\n");
43 }
44
TEST_F(VtsSelfTestFlakyTest,TestAlwaysPassing2)45 TEST_F(VtsSelfTestFlakyTest, TestAlwaysPassing2) {
46 printf("PASS (with 100%% chance)\n");
47 }
48
49 /**
50 * Fails with 50% of chance.
51 */
TEST_F(VtsSelfTestFlakyTest,TestFlaky1)52 TEST_F(VtsSelfTestFlakyTest, TestFlaky1) {
53 int number = abs(rand());
54 printf("number: %d\n", number);
55 ASSERT_TRUE((number % 2) == 0);
56 }
57
TEST_F(VtsSelfTestFlakyTest,TestFlaky2)58 TEST_F(VtsSelfTestFlakyTest, TestFlaky2) {
59 int number = abs(rand());
60 printf("number: %d\n", number);
61 ASSERT_TRUE((number % 2) == 0);
62 }
63
TEST_F(VtsSelfTestFlakyTest,TestFlaky3)64 TEST_F(VtsSelfTestFlakyTest, TestFlaky3) {
65 int number = abs(rand());
66 printf("number: %d\n", number);
67 ASSERT_TRUE((number % 2) == 0);
68 }
69
TEST_F(VtsSelfTestFlakyTest,TestFlaky4)70 TEST_F(VtsSelfTestFlakyTest, TestFlaky4) {
71 int number = abs(rand());
72 printf("number: %d\n", number);
73 ASSERT_TRUE((number % 2) == 0);
74 }
75
TEST_F(VtsSelfTestFlakyTest,TestFlaky5)76 TEST_F(VtsSelfTestFlakyTest, TestFlaky5) {
77 int number = abs(rand());
78 printf("number: %d\n", number);
79 ASSERT_TRUE((number % 2) == 0);
80 }
81
main(int argc,char ** argv)82 int main(int argc, char **argv) {
83 ::testing::InitGoogleTest(&argc, argv);
84 return RUN_ALL_TESTS();
85 }
86