ceph/src/rapidjson/thirdparty/gtest/googlemock/test/gmock_test.cc

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  30 // Author: wan@google.com (Zhanyong Wan)
  31
  32 // Google Mock - a framework for writing C++ mock classes.
  33 //
  34 // This file tests code in gmock.cc.
  35
  36 #include "gmock/gmock.h"
  37
  38 #include <string>
  39 #include "gtest/gtest.h"
  40
  41 #if !defined(GTEST_CUSTOM_INIT_GOOGLE_TEST_FUNCTION_)
  42
  43 using testing::GMOCK_FLAG(verbose);
  44 using testing::InitGoogleMock;
  45
  46 // Verifies that calling InitGoogleMock() on argv results in new_argv,
  47 // and the gmock_verbose flag's value is set to expected_gmock_verbose.
  48 template <typename Char, int M, int N>
  49 void TestInitGoogleMock(const Char* (&argv)[M], const Char* (&new_argv)[N],
  50                         const ::std::string& expected_gmock_verbose) {
  51   const ::std::string old_verbose = GMOCK_FLAG(verbose);
  52
  53   int argc = M;
  54   InitGoogleMock(&argc, const_cast<Char**>(argv));
  55   ASSERT_EQ(N, argc) << "The new argv has wrong number of elements.";
  56
  57   for (int i = 0; i < N; i++) {
  58     EXPECT_STREQ(new_argv[i], argv[i]);
  59   }
  60
  61   EXPECT_EQ(expected_gmock_verbose, GMOCK_FLAG(verbose).c_str());
  62   GMOCK_FLAG(verbose) = old_verbose;  // Restores the gmock_verbose flag.
  63 }
  64
  65 TEST(InitGoogleMockTest, ParsesInvalidCommandLine) {
  66   const char* argv[] = {
  67     NULL
  68   };
  69
  70   const char* new_argv[] = {
  71     NULL
  72   };
  73
  74   TestInitGoogleMock(argv, new_argv, GMOCK_FLAG(verbose));
  75 }
  76
  77 TEST(InitGoogleMockTest, ParsesEmptyCommandLine) {
  78   const char* argv[] = {
  79     "foo.exe",
  80     NULL
  81   };
  82
  83   const char* new_argv[] = {
  84     "foo.exe",
  85     NULL
  86   };
  87
  88   TestInitGoogleMock(argv, new_argv, GMOCK_FLAG(verbose));
  89 }
  90
  91 TEST(InitGoogleMockTest, ParsesSingleFlag) {
  92   const char* argv[] = {
  93     "foo.exe",
  94     "--gmock_verbose=info",
  95     NULL
  96   };
  97
  98   const char* new_argv[] = {
  99     "foo.exe",
 100     NULL
 101   };
 102
 103   TestInitGoogleMock(argv, new_argv, "info");
 104 }
 105
 106 TEST(InitGoogleMockTest, ParsesUnrecognizedFlag) {
 107   const char* argv[] = {
 108     "foo.exe",
 109     "--non_gmock_flag=blah",
 110     NULL
 111   };
 112
 113   const char* new_argv[] = {
 114     "foo.exe",
 115     "--non_gmock_flag=blah",
 116     NULL
 117   };
 118
 119   TestInitGoogleMock(argv, new_argv, GMOCK_FLAG(verbose));
 120 }
 121
 122 TEST(InitGoogleMockTest, ParsesGoogleMockFlagAndUnrecognizedFlag) {
 123   const char* argv[] = {
 124     "foo.exe",
 125     "--non_gmock_flag=blah",
 126     "--gmock_verbose=error",
 127     NULL
 128   };
 129
 130   const char* new_argv[] = {
 131     "foo.exe",
 132     "--non_gmock_flag=blah",
 133     NULL
 134   };
 135
 136   TestInitGoogleMock(argv, new_argv, "error");
 137 }
 138
 139 TEST(WideInitGoogleMockTest, ParsesInvalidCommandLine) {
 140   const wchar_t* argv[] = {
 141     NULL
 142   };
 143
 144   const wchar_t* new_argv[] = {
 145     NULL
 146   };
 147
 148   TestInitGoogleMock(argv, new_argv, GMOCK_FLAG(verbose));
 149 }
 150
 151 TEST(WideInitGoogleMockTest, ParsesEmptyCommandLine) {
 152   const wchar_t* argv[] = {
 153     L"foo.exe",
 154     NULL
 155   };
 156
 157   const wchar_t* new_argv[] = {
 158     L"foo.exe",
 159     NULL
 160   };
 161
 162   TestInitGoogleMock(argv, new_argv, GMOCK_FLAG(verbose));
 163 }
 164
 165 TEST(WideInitGoogleMockTest, ParsesSingleFlag) {
 166   const wchar_t* argv[] = {
 167     L"foo.exe",
 168     L"--gmock_verbose=info",
 169     NULL
 170   };
 171
 172   const wchar_t* new_argv[] = {
 173     L"foo.exe",
 174     NULL
 175   };
 176
 177   TestInitGoogleMock(argv, new_argv, "info");
 178 }
 179
 180 TEST(WideInitGoogleMockTest, ParsesUnrecognizedFlag) {
 181   const wchar_t* argv[] = {
 182     L"foo.exe",
 183     L"--non_gmock_flag=blah",
 184     NULL
 185   };
 186
 187   const wchar_t* new_argv[] = {
 188     L"foo.exe",
 189     L"--non_gmock_flag=blah",
 190     NULL
 191   };
 192
 193   TestInitGoogleMock(argv, new_argv, GMOCK_FLAG(verbose));
 194 }
 195
 196 TEST(WideInitGoogleMockTest, ParsesGoogleMockFlagAndUnrecognizedFlag) {
 197   const wchar_t* argv[] = {
 198     L"foo.exe",
 199     L"--non_gmock_flag=blah",
 200     L"--gmock_verbose=error",
 201     NULL
 202   };
 203
 204   const wchar_t* new_argv[] = {
 205     L"foo.exe",
 206     L"--non_gmock_flag=blah",
 207     NULL
 208   };
 209
 210   TestInitGoogleMock(argv, new_argv, "error");
 211 }
 212
 213 #endif  // !defined(GTEST_CUSTOM_INIT_GOOGLE_TEST_FUNCTION_)
 214
 215 // Makes sure Google Mock flags can be accessed in code.
 216 TEST(FlagTest, IsAccessibleInCode) {
 217   bool dummy = testing::GMOCK_FLAG(catch_leaked_mocks) &&
 218       testing::GMOCK_FLAG(verbose) == "";
 219   (void)dummy;  // Avoids the "unused local variable" warning.
 220 }