| // Copyright 2013, 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. |
| |
| // |
| // Tests that Google Test manipulates the premature-exit-detection |
| // file correctly. |
| |
| #include <stdio.h> |
| |
| #include "gtest/gtest.h" |
| |
| using ::testing::InitGoogleTest; |
| using ::testing::Test; |
| using ::testing::internal::posix::GetEnv; |
| using ::testing::internal::posix::Stat; |
| using ::testing::internal::posix::StatStruct; |
| |
| namespace { |
| |
| class PrematureExitTest : public Test { |
| public: |
| // Returns true if and only if the given file exists. |
| static bool FileExists(const char* filepath) { |
| StatStruct stat; |
| return Stat(filepath, &stat) == 0; |
| } |
| |
| protected: |
| PrematureExitTest() { |
| premature_exit_file_path_ = GetEnv("TEST_PREMATURE_EXIT_FILE"); |
| |
| // Normalize NULL to "" for ease of handling. |
| if (premature_exit_file_path_ == nullptr) { |
| premature_exit_file_path_ = ""; |
| } |
| } |
| |
| // Returns true if and only if the premature-exit file exists. |
| bool PrematureExitFileExists() const { |
| return FileExists(premature_exit_file_path_); |
| } |
| |
| const char* premature_exit_file_path_; |
| }; |
| |
| typedef PrematureExitTest PrematureExitDeathTest; |
| |
| // Tests that: |
| // - the premature-exit file exists during the execution of a |
| // death test (EXPECT_DEATH*), and |
| // - a death test doesn't interfere with the main test process's |
| // handling of the premature-exit file. |
| TEST_F(PrematureExitDeathTest, FileExistsDuringExecutionOfDeathTest) { |
| if (*premature_exit_file_path_ == '\0') { |
| return; |
| } |
| |
| EXPECT_DEATH_IF_SUPPORTED( |
| { |
| // If the file exists, crash the process such that the main test |
| // process will catch the (expected) crash and report a success; |
| // otherwise don't crash, which will cause the main test process |
| // to report that the death test has failed. |
| if (PrematureExitFileExists()) { |
| exit(1); |
| } |
| }, |
| ""); |
| } |
| |
| // Tests that the premature-exit file exists during the execution of a |
| // normal (non-death) test. |
| TEST_F(PrematureExitTest, PrematureExitFileExistsDuringTestExecution) { |
| if (*premature_exit_file_path_ == '\0') { |
| return; |
| } |
| |
| EXPECT_TRUE(PrematureExitFileExists()) |
| << " file " << premature_exit_file_path_ |
| << " should exist during test execution, but doesn't."; |
| } |
| |
| } // namespace |
| |
| int main(int argc, char** argv) { |
| InitGoogleTest(&argc, argv); |
| const int exit_code = RUN_ALL_TESTS(); |
| |
| // Test that the premature-exit file is deleted upon return from |
| // RUN_ALL_TESTS(). |
| const char* const filepath = GetEnv("TEST_PREMATURE_EXIT_FILE"); |
| if (filepath != nullptr && *filepath != '\0') { |
| if (PrematureExitTest::FileExists(filepath)) { |
| printf( |
| "File %s shouldn't exist after the test program finishes, but does.", |
| filepath); |
| return 1; |
| } |
| } |
| |
| return exit_code; |
| } |