1 /*
2 * Copyright (C) 2012 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 <unistd.h>
18 #include <sys/types.h>
19 #include <sys/wait.h>
20 #include <string.h>
21
22 #include <gtest/gtest.h>
23
24 #include "TestForkerEventListener.h"
25 #include "TestExtensions.h"
26
27 #define DEBUG_TEST_FORKER_EVENT_LISTENER 0
28
29 #define RETURN_CODE_PASSED 0
30 #define RETURN_CODE_FAILED 1
31
32 namespace android {
33 namespace camera2 {
34 namespace tests {
35
36 bool TestForkerEventListener::mIsForked = false;
37
TestForkerEventListener()38 TestForkerEventListener::TestForkerEventListener() {
39 mIsForked = false;
40 mHasSucceeded = true;
41 mTermSignal = 0;
42 }
43
44 // Called before a test starts.
OnTestStart(const::testing::TestInfo &)45 void TestForkerEventListener::OnTestStart(const ::testing::TestInfo&) {
46
47 if (!TEST_EXTENSION_FORKING_ENABLED) {
48 return;
49 }
50
51 pid_t childPid = fork();
52 if (childPid != 0) {
53 int status;
54 waitpid(childPid, &status, /*options*/0);
55
56 // terminated normally?
57 mHasSucceeded = WIFEXITED(status);
58 // terminate with return code 0 = test passed, 1 = test failed
59 if (mHasSucceeded) {
60 mHasSucceeded = WEXITSTATUS(status) == RETURN_CODE_PASSED;
61 } else if (WIFSIGNALED(status)) {
62 mTermSignal = WTERMSIG(status);
63 }
64
65 /* the test is then skipped by inserting the various
66 TEST_EXTENSION_ macros in TestExtensions.h */
67
68 } else {
69 mIsForked = true;
70 }
71 }
72
73 // Called after a failed assertion or a SUCCEED() invocation.
OnTestPartResult(const::testing::TestPartResult & test_part_result)74 void TestForkerEventListener::OnTestPartResult(
75 const ::testing::TestPartResult& test_part_result) {
76
77 if (DEBUG_TEST_FORKER_EVENT_LISTENER) {
78 printf("%s in %s:%d\n%s\n",
79 test_part_result.failed() ? "*** Failure" : "Success",
80 test_part_result.file_name(),
81 test_part_result.line_number(),
82 test_part_result.summary());
83 }
84 }
85
86 // Called after a test ends.
OnTestEnd(const::testing::TestInfo & test_info)87 void TestForkerEventListener::OnTestEnd(const ::testing::TestInfo& test_info) {
88
89 if (!TEST_EXTENSION_FORKING_ENABLED) {
90 return;
91 }
92
93 if (mIsForked) {
94 exit(test_info.result()->Passed()
95 ? RETURN_CODE_PASSED : RETURN_CODE_FAILED);
96 } else if (!mHasSucceeded && mTermSignal != 0) {
97
98 printf("*** Test %s.%s crashed with signal = %s\n",
99 test_info.test_case_name(), test_info.name(),
100 strsignal(mTermSignal));
101 }
102
103 //TODO: overload the default event listener to suppress this message
104 // dynamically (e.g. by skipping OnTestPartResult after OnTestEnd )
105
106 // trigger a test failure if the child has failed
107 if (!mHasSucceeded) {
108 ADD_FAILURE();
109 }
110 mTermSignal = 0;
111 }
112
113
114 }
115 }
116 }
117
118