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30 // Author: wan@google.com (Zhanyong Wan)
32 // Tests that Google Test manipulates the premature-exit-detection
37 #include "gtest/gtest.h"
39 using ::testing::InitGoogleTest;
40 using ::testing::Test;
41 using ::testing::internal::posix::GetEnv;
42 using ::testing::internal::posix::Stat;
43 using ::testing::internal::posix::StatStruct;
47 class PrematureExitTest : public Test {
49 // Returns true iff the given file exists.
50 static bool FileExists(const char* filepath) {
52 return Stat(filepath, &stat) == 0;
57 premature_exit_file_path_ = GetEnv("TEST_PREMATURE_EXIT_FILE");
59 // Normalize NULL to "" for ease of handling.
60 if (premature_exit_file_path_ == NULL) {
61 premature_exit_file_path_ = "";
65 // Returns true iff the premature-exit file exists.
66 bool PrematureExitFileExists() const {
67 return FileExists(premature_exit_file_path_);
70 const char* premature_exit_file_path_;
73 typedef PrematureExitTest PrematureExitDeathTest;
76 // - the premature-exit file exists during the execution of a
77 // death test (EXPECT_DEATH*), and
78 // - a death test doesn't interfere with the main test process's
79 // handling of the premature-exit file.
80 TEST_F(PrematureExitDeathTest, FileExistsDuringExecutionOfDeathTest) {
81 if (*premature_exit_file_path_ == '\0') {
85 EXPECT_DEATH_IF_SUPPORTED({
86 // If the file exists, crash the process such that the main test
87 // process will catch the (expected) crash and report a success;
88 // otherwise don't crash, which will cause the main test process
89 // to report that the death test has failed.
90 if (PrematureExitFileExists()) {
96 // Tests that the premature-exit file exists during the execution of a
97 // normal (non-death) test.
98 TEST_F(PrematureExitTest, PrematureExitFileExistsDuringTestExecution) {
99 if (*premature_exit_file_path_ == '\0') {
103 EXPECT_TRUE(PrematureExitFileExists())
104 << " file " << premature_exit_file_path_
105 << " should exist during test execution, but doesn't.";
110 int main(int argc, char **argv) {
111 InitGoogleTest(&argc, argv);
112 const int exit_code = RUN_ALL_TESTS();
114 // Test that the premature-exit file is deleted upon return from
116 const char* const filepath = GetEnv("TEST_PREMATURE_EXIT_FILE");
117 if (filepath != NULL && *filepath != '\0') {
118 if (PrematureExitTest::FileExists(filepath)) {
120 "File %s shouldn't exist after the test program finishes, but does.",