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      1 // Copyright 2008, Google Inc.
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     29 //
     30 // Author: wan (at) google.com (Zhanyong Wan)
     31 
     32 // A helper program for testing that Google Test parses the environment
     33 // variables correctly.
     34 
     35 #include <gtest/gtest.h>
     36 
     37 #include <iostream>
     38 
     39 #define GTEST_IMPLEMENTATION_ 1
     40 #include "src/gtest-internal-inl.h"
     41 #undef GTEST_IMPLEMENTATION_
     42 
     43 using ::std::cout;
     44 
     45 namespace testing {
     46 
     47 // The purpose of this is to make the test more realistic by ensuring
     48 // that the UnitTest singleton is created before main() is entered.
     49 // We don't actual run the TEST itself.
     50 TEST(GTestEnvVarTest, Dummy) {
     51 }
     52 
     53 void PrintFlag(const char* flag) {
     54   if (strcmp(flag, "break_on_failure") == 0) {
     55     cout << GTEST_FLAG(break_on_failure);
     56     return;
     57   }
     58 
     59   if (strcmp(flag, "catch_exceptions") == 0) {
     60     cout << GTEST_FLAG(catch_exceptions);
     61     return;
     62   }
     63 
     64   if (strcmp(flag, "color") == 0) {
     65     cout << GTEST_FLAG(color);
     66     return;
     67   }
     68 
     69   if (strcmp(flag, "death_test_style") == 0) {
     70     cout << GTEST_FLAG(death_test_style);
     71     return;
     72   }
     73 
     74   if (strcmp(flag, "death_test_use_fork") == 0) {
     75     cout << GTEST_FLAG(death_test_use_fork);
     76     return;
     77   }
     78 
     79   if (strcmp(flag, "filter") == 0) {
     80     cout << GTEST_FLAG(filter);
     81     return;
     82   }
     83 
     84   if (strcmp(flag, "output") == 0) {
     85     cout << GTEST_FLAG(output);
     86     return;
     87   }
     88 
     89   if (strcmp(flag, "print_time") == 0) {
     90     cout << GTEST_FLAG(print_time);
     91     return;
     92   }
     93 
     94   if (strcmp(flag, "repeat") == 0) {
     95     cout << GTEST_FLAG(repeat);
     96     return;
     97   }
     98 
     99   if (strcmp(flag, "stack_trace_depth") == 0) {
    100     cout << GTEST_FLAG(stack_trace_depth);
    101     return;
    102   }
    103 
    104   if (strcmp(flag, "throw_on_failure") == 0) {
    105     cout << GTEST_FLAG(throw_on_failure);
    106     return;
    107   }
    108 
    109   cout << "Invalid flag name " << flag
    110        << ".  Valid names are break_on_failure, color, filter, etc.\n";
    111   exit(1);
    112 }
    113 
    114 }  // namespace testing
    115 
    116 int main(int argc, char** argv) {
    117   testing::InitGoogleTest(&argc, argv);
    118 
    119   if (argc != 2) {
    120     cout << "Usage: gtest_env_var_test_ NAME_OF_FLAG\n";
    121     return 1;
    122   }
    123 
    124   testing::PrintFlag(argv[1]);
    125   return 0;
    126 }
    127