text: // Copyright 2008, 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)
  
  // A helper program for testing that Google Test parses the environment
  // variables correctly.
  
  #include "gtest/gtest.h"
  
  #include <iostream>
  #include "src/gtest-internal-inl.h"
  
  using ::std::cout;
  
  namespace testing {
  
  // The purpose of this is to make the test more realistic by ensuring
  // that the UnitTest singleton is created before main() is entered.
  // We don't actual run the TEST itself.
  TEST(GTestEnvVarTest, Dummy) {
  }
  
  void PrintFlag(const char* flag) {
    if (strcmp(flag, "break_on_failure") == 0) {
      cout << GTEST_FLAG(break_on_failure);
      return;
    }
  
    if (strcmp(flag, "catch_exceptions") == 0) {
      cout << GTEST_FLAG(catch_exceptions);
      return;
    }
  
    if (strcmp(flag, "color") == 0) {
      cout << GTEST_FLAG(color);
      return;
    }
  
    if (strcmp(flag, "death_test_style") == 0) {
      cout << GTEST_FLAG(death_test_style);
      return;
    }
  
    if (strcmp(flag, "death_test_use_fork") == 0) {
      cout << GTEST_FLAG(death_test_use_fork);
      return;
    }
  
    if (strcmp(flag, "filter") == 0) {
      cout << GTEST_FLAG(filter);
      return;
    }
  
    if (strcmp(flag, "output") == 0) {
      cout << GTEST_FLAG(output);
      return;
    }
  
    if (strcmp(flag, "print_time") == 0) {
      cout << GTEST_FLAG(print_time);
      return;
    }
  
    if (strcmp(flag, "repeat") == 0) {
      cout << GTEST_FLAG(repeat);
      return;
    }
  
    if (strcmp(flag, "stack_trace_depth") == 0) {
      cout << GTEST_FLAG(stack_trace_depth);
      return;
    }
  
    if (strcmp(flag, "throw_on_failure") == 0) {
      cout << GTEST_FLAG(throw_on_failure);
      return;
    }
  
    cout << "Invalid flag name " << flag
         << ".  Valid names are break_on_failure, color, filter, etc.\n";
    exit(1);
  }
  
  }  // namespace testing
  
  int main(int argc, char** argv) {
    testing::InitGoogleTest(&argc, argv);
  
    if (argc != 2) {
      cout << "Usage: gtest_env_var_test_ NAME_OF_FLAG\n";
      return 1;
    }
  
    testing::PrintFlag(argv[1]);
    return 0;
  }
  