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31 // Tests using global test environments.
35 #include "gtest/gtest.h"
36 #include "src/gtest-internal-inl.h"
39 GTEST_DECLARE_string_(filter);
45 NO_FAILURE, NON_FATAL_FAILURE, FATAL_FAILURE
48 // For testing using global test environments.
49 class MyEnvironment : public testing::Environment {
51 MyEnvironment() { Reset(); }
53 // Depending on the value of failure_in_set_up_, SetUp() will
54 // generate a non-fatal failure, generate a fatal failure, or
56 virtual void SetUp() {
57 set_up_was_run_ = true;
59 switch (failure_in_set_up_) {
60 case NON_FATAL_FAILURE:
61 ADD_FAILURE() << "Expected non-fatal failure in global set-up.";
64 FAIL() << "Expected fatal failure in global set-up.";
71 // Generates a non-fatal failure.
72 virtual void TearDown() {
73 tear_down_was_run_ = true;
74 ADD_FAILURE() << "Expected non-fatal failure in global tear-down.";
77 // Resets the state of the environment s.t. it can be reused.
79 failure_in_set_up_ = NO_FAILURE;
80 set_up_was_run_ = false;
81 tear_down_was_run_ = false;
84 // We call this function to set the type of failure SetUp() should
86 void set_failure_in_set_up(FailureType type) {
87 failure_in_set_up_ = type;
91 bool set_up_was_run() const { return set_up_was_run_; }
93 // Was TearDown() run?
94 bool tear_down_was_run() const { return tear_down_was_run_; }
97 FailureType failure_in_set_up_;
99 bool tear_down_was_run_;
105 // The sole purpose of this TEST is to enable us to check whether it
111 // Prints the message and aborts the program if condition is false.
112 void Check(bool condition, const char* msg) {
114 printf("FAILED: %s\n", msg);
115 testing::internal::posix::Abort();
119 // Runs the tests. Return true iff successful.
121 // The 'failure' parameter specifies the type of failure that should
122 // be generated by the global set-up.
123 int RunAllTests(MyEnvironment* env, FailureType failure) {
125 env->set_failure_in_set_up(failure);
126 test_was_run = false;
127 testing::internal::GetUnitTestImpl()->ClearAdHocTestResult();
128 return RUN_ALL_TESTS();
133 int main(int argc, char **argv) {
134 testing::InitGoogleTest(&argc, argv);
136 // Registers a global test environment, and verifies that the
137 // registration function returns its argument.
138 MyEnvironment* const env = new MyEnvironment;
139 Check(testing::AddGlobalTestEnvironment(env) == env,
140 "AddGlobalTestEnvironment() should return its argument.");
142 // Verifies that RUN_ALL_TESTS() runs the tests when the global
143 // set-up is successful.
144 Check(RunAllTests(env, NO_FAILURE) != 0,
145 "RUN_ALL_TESTS() should return non-zero, as the global tear-down "
146 "should generate a failure.");
148 "The tests should run, as the global set-up should generate no "
150 Check(env->tear_down_was_run(),
151 "The global tear-down should run, as the global set-up was run.");
153 // Verifies that RUN_ALL_TESTS() runs the tests when the global
154 // set-up generates no fatal failure.
155 Check(RunAllTests(env, NON_FATAL_FAILURE) != 0,
156 "RUN_ALL_TESTS() should return non-zero, as both the global set-up "
157 "and the global tear-down should generate a non-fatal failure.");
159 "The tests should run, as the global set-up should generate no "
161 Check(env->tear_down_was_run(),
162 "The global tear-down should run, as the global set-up was run.");
164 // Verifies that RUN_ALL_TESTS() runs no test when the global set-up
165 // generates a fatal failure.
166 Check(RunAllTests(env, FATAL_FAILURE) != 0,
167 "RUN_ALL_TESTS() should return non-zero, as the global set-up "
168 "should generate a fatal failure.");
170 "The tests should not run, as the global set-up should generate "
172 Check(env->tear_down_was_run(),
173 "The global tear-down should run, as the global set-up was run.");
175 // Verifies that RUN_ALL_TESTS() doesn't do global set-up or
176 // tear-down when there is no test to run.
177 testing::GTEST_FLAG(filter) = "-*";
178 Check(RunAllTests(env, NO_FAILURE) == 0,
179 "RUN_ALL_TESTS() should return zero, as there is no test to run.");
180 Check(!env->set_up_was_run(),
181 "The global set-up should not run, as there is no test to run.");
182 Check(!env->tear_down_was_run(),
183 "The global tear-down should not run, "
184 "as the global set-up was not run.");