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127 lines
4.2 KiB
127 lines
4.2 KiB
// Copyright 2013, Google Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Tests that Google Test manipulates the premature-exit-detection
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// file correctly.
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#include <stdio.h>
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#include "gtest/gtest.h"
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using ::testing::InitGoogleTest;
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using ::testing::Test;
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using ::testing::internal::posix::GetEnv;
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using ::testing::internal::posix::Stat;
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using ::testing::internal::posix::StatStruct;
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namespace {
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class PrematureExitTest : public Test {
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public:
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// Returns true if and only if the given file exists.
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static bool FileExists(const char* filepath) {
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StatStruct stat;
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return Stat(filepath, &stat) == 0;
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}
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protected:
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PrematureExitTest() {
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premature_exit_file_path_ = GetEnv("TEST_PREMATURE_EXIT_FILE");
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// Normalize NULL to "" for ease of handling.
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if (premature_exit_file_path_ == nullptr) {
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premature_exit_file_path_ = "";
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}
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}
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// Returns true if and only if the premature-exit file exists.
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bool PrematureExitFileExists() const {
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return FileExists(premature_exit_file_path_);
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}
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const char* premature_exit_file_path_;
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};
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typedef PrematureExitTest PrematureExitDeathTest;
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// Tests that:
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// - the premature-exit file exists during the execution of a
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// death test (EXPECT_DEATH*), and
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// - a death test doesn't interfere with the main test process's
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// handling of the premature-exit file.
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TEST_F(PrematureExitDeathTest, FileExistsDuringExecutionOfDeathTest) {
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if (*premature_exit_file_path_ == '\0') {
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return;
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}
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EXPECT_DEATH_IF_SUPPORTED({
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// If the file exists, crash the process such that the main test
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// process will catch the (expected) crash and report a success;
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// otherwise don't crash, which will cause the main test process
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// to report that the death test has failed.
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if (PrematureExitFileExists()) {
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exit(1);
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}
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}, "");
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}
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// Tests that the premature-exit file exists during the execution of a
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// normal (non-death) test.
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TEST_F(PrematureExitTest, PrematureExitFileExistsDuringTestExecution) {
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if (*premature_exit_file_path_ == '\0') {
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return;
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}
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EXPECT_TRUE(PrematureExitFileExists())
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<< " file " << premature_exit_file_path_
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<< " should exist during test execution, but doesn't.";
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}
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} // namespace
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int main(int argc, char **argv) {
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InitGoogleTest(&argc, argv);
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const int exit_code = RUN_ALL_TESTS();
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// Test that the premature-exit file is deleted upon return from
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// RUN_ALL_TESTS().
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const char* const filepath = GetEnv("TEST_PREMATURE_EXIT_FILE");
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if (filepath != nullptr && *filepath != '\0') {
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if (PrematureExitTest::FileExists(filepath)) {
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printf(
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"File %s shouldn't exist after the test program finishes, but does.",
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filepath);
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return 1;
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}
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}
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return exit_code;
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}
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