ref: 33afddadb9af6569bd8296ef1d48d0511b651e9d
dir: /third_party/googletest/src/test/gtest_environment_test.cc/
// Copyright 2007, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // Author: wan@google.com (Zhanyong Wan) // // Tests using global test environments. #include <stdlib.h> #include <stdio.h> #include "gtest/gtest.h" #define GTEST_IMPLEMENTATION_ 1 // Required for the next #include. #include "src/gtest-internal-inl.h" #undef GTEST_IMPLEMENTATION_ namespace testing { GTEST_DECLARE_string_(filter); } namespace { enum FailureType { NO_FAILURE, NON_FATAL_FAILURE, FATAL_FAILURE }; // For testing using global test environments. class MyEnvironment : public testing::Environment { public: MyEnvironment() { Reset(); } // Depending on the value of failure_in_set_up_, SetUp() will // generate a non-fatal failure, generate a fatal failure, or // succeed. virtual void SetUp() { set_up_was_run_ = true; switch (failure_in_set_up_) { case NON_FATAL_FAILURE: ADD_FAILURE() << "Expected non-fatal failure in global set-up."; break; case FATAL_FAILURE: FAIL() << "Expected fatal failure in global set-up."; break; default: break; } } // Generates a non-fatal failure. virtual void TearDown() { tear_down_was_run_ = true; ADD_FAILURE() << "Expected non-fatal failure in global tear-down."; } // Resets the state of the environment s.t. it can be reused. void Reset() { failure_in_set_up_ = NO_FAILURE; set_up_was_run_ = false; tear_down_was_run_ = false; } // We call this function to set the type of failure SetUp() should // generate. void set_failure_in_set_up(FailureType type) { failure_in_set_up_ = type; } // Was SetUp() run? bool set_up_was_run() const { return set_up_was_run_; } // Was TearDown() run? bool tear_down_was_run() const { return tear_down_was_run_; } private: FailureType failure_in_set_up_; bool set_up_was_run_; bool tear_down_was_run_; }; // Was the TEST run? bool test_was_run; // The sole purpose of this TEST is to enable us to check whether it // was run. TEST(FooTest, Bar) { test_was_run = true; } // Prints the message and aborts the program if condition is false. void Check(bool condition, const char* msg) { if (!condition) { printf("FAILED: %s\n", msg); testing::internal::posix::Abort(); } } // Runs the tests. Return true iff successful. // // The 'failure' parameter specifies the type of failure that should // be generated by the global set-up. int RunAllTests(MyEnvironment* env, FailureType failure) { env->Reset(); env->set_failure_in_set_up(failure); test_was_run = false; testing::internal::GetUnitTestImpl()->ClearAdHocTestResult(); return RUN_ALL_TESTS(); } } // namespace int main(int argc, char **argv) { testing::InitGoogleTest(&argc, argv); // Registers a global test environment, and verifies that the // registration function returns its argument. MyEnvironment* const env = new MyEnvironment; Check(testing::AddGlobalTestEnvironment(env) == env, "AddGlobalTestEnvironment() should return its argument."); // Verifies that RUN_ALL_TESTS() runs the tests when the global // set-up is successful. Check(RunAllTests(env, NO_FAILURE) != 0, "RUN_ALL_TESTS() should return non-zero, as the global tear-down " "should generate a failure."); Check(test_was_run, "The tests should run, as the global set-up should generate no " "failure"); Check(env->tear_down_was_run(), "The global tear-down should run, as the global set-up was run."); // Verifies that RUN_ALL_TESTS() runs the tests when the global // set-up generates no fatal failure. Check(RunAllTests(env, NON_FATAL_FAILURE) != 0, "RUN_ALL_TESTS() should return non-zero, as both the global set-up " "and the global tear-down should generate a non-fatal failure."); Check(test_was_run, "The tests should run, as the global set-up should generate no " "fatal failure."); Check(env->tear_down_was_run(), "The global tear-down should run, as the global set-up was run."); // Verifies that RUN_ALL_TESTS() runs no test when the global set-up // generates a fatal failure. Check(RunAllTests(env, FATAL_FAILURE) != 0, "RUN_ALL_TESTS() should return non-zero, as the global set-up " "should generate a fatal failure."); Check(!test_was_run, "The tests should not run, as the global set-up should generate " "a fatal failure."); Check(env->tear_down_was_run(), "The global tear-down should run, as the global set-up was run."); // Verifies that RUN_ALL_TESTS() doesn't do global set-up or // tear-down when there is no test to run. testing::GTEST_FLAG(filter) = "-*"; Check(RunAllTests(env, NO_FAILURE) == 0, "RUN_ALL_TESTS() should return zero, as there is no test to run."); Check(!env->set_up_was_run(), "The global set-up should not run, as there is no test to run."); Check(!env->tear_down_was_run(), "The global tear-down should not run, " "as the global set-up was not run."); printf("PASS\n"); return 0; }