ceph/src/s3select/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 #include "gtest/internal/custom/gtest.h"
  41
  42 #if !defined(GTEST_CUSTOM_INIT_GOOGLE_TEST_FUNCTION_)
  43
  44 using testing::GMOCK_FLAG(default_mock_behavior);
  45 using testing::GMOCK_FLAG(verbose);
  46 using testing::InitGoogleMock;
  47
  48 // Verifies that calling InitGoogleMock() on argv results in new_argv,
  49 // and the gmock_verbose flag's value is set to expected_gmock_verbose.
  50 template <typename Char, int M, int N>
  51 void TestInitGoogleMock(const Char* (&argv)[M], const Char* (&new_argv)[N],
  52                         const ::std::string& expected_gmock_verbose) {
  53   const ::std::string old_verbose = GMOCK_FLAG(verbose);
  54
  55   int argc = M - 1;
  56   InitGoogleMock(&argc, const_cast<Char**>(argv));
  57   ASSERT_EQ(N - 1, argc) << "The new argv has wrong number of elements.";
  58
  59   for (int i = 0; i < N; i++) {
  60     EXPECT_STREQ(new_argv[i], argv[i]);
  61   }
  62
  63   EXPECT_EQ(expected_gmock_verbose, GMOCK_FLAG(verbose).c_str());
  64   GMOCK_FLAG(verbose) = old_verbose;  // Restores the gmock_verbose flag.
  65 }
  66
  67 TEST(InitGoogleMockTest, ParsesInvalidCommandLine) {
  68   const char* argv[] = {
  69     NULL
  70   };
  71
  72   const char* new_argv[] = {
  73     NULL
  74   };
  75
  76   TestInitGoogleMock(argv, new_argv, GMOCK_FLAG(verbose));
  77 }
  78
  79 TEST(InitGoogleMockTest, ParsesEmptyCommandLine) {
  80   const char* argv[] = {
  81     "foo.exe",
  82     NULL
  83   };
  84
  85   const char* new_argv[] = {
  86     "foo.exe",
  87     NULL
  88   };
  89
  90   TestInitGoogleMock(argv, new_argv, GMOCK_FLAG(verbose));
  91 }
  92
  93 TEST(InitGoogleMockTest, ParsesSingleFlag) {
  94   const char* argv[] = {
  95     "foo.exe",
  96     "--gmock_verbose=info",
  97     NULL
  98   };
  99
 100   const char* new_argv[] = {
 101     "foo.exe",
 102     NULL
 103   };
 104
 105   TestInitGoogleMock(argv, new_argv, "info");
 106 }
 107
 108 TEST(InitGoogleMockTest, ParsesMultipleFlags) {
 109   int old_default_behavior = GMOCK_FLAG(default_mock_behavior);
 110   const wchar_t* argv[] = {
 111     L"foo.exe",
 112     L"--gmock_verbose=info",
 113     L"--gmock_default_mock_behavior=2",
 114     NULL
 115   };
 116
 117   const wchar_t* new_argv[] = {
 118     L"foo.exe",
 119     NULL
 120   };
 121
 122   TestInitGoogleMock(argv, new_argv, "info");
 123   EXPECT_EQ(2, GMOCK_FLAG(default_mock_behavior));
 124   EXPECT_NE(2, old_default_behavior);
 125   GMOCK_FLAG(default_mock_behavior) = old_default_behavior;
 126 }
 127
 128 TEST(InitGoogleMockTest, ParsesUnrecognizedFlag) {
 129   const char* argv[] = {
 130     "foo.exe",
 131     "--non_gmock_flag=blah",
 132     NULL
 133   };
 134
 135   const char* new_argv[] = {
 136     "foo.exe",
 137     "--non_gmock_flag=blah",
 138     NULL
 139   };
 140
 141   TestInitGoogleMock(argv, new_argv, GMOCK_FLAG(verbose));
 142 }
 143
 144 TEST(InitGoogleMockTest, ParsesGoogleMockFlagAndUnrecognizedFlag) {
 145   const char* argv[] = {
 146     "foo.exe",
 147     "--non_gmock_flag=blah",
 148     "--gmock_verbose=error",
 149     NULL
 150   };
 151
 152   const char* new_argv[] = {
 153     "foo.exe",
 154     "--non_gmock_flag=blah",
 155     NULL
 156   };
 157
 158   TestInitGoogleMock(argv, new_argv, "error");
 159 }
 160
 161 TEST(WideInitGoogleMockTest, ParsesInvalidCommandLine) {
 162   const wchar_t* argv[] = {
 163     NULL
 164   };
 165
 166   const wchar_t* new_argv[] = {
 167     NULL
 168   };
 169
 170   TestInitGoogleMock(argv, new_argv, GMOCK_FLAG(verbose));
 171 }
 172
 173 TEST(WideInitGoogleMockTest, ParsesEmptyCommandLine) {
 174   const wchar_t* argv[] = {
 175     L"foo.exe",
 176     NULL
 177   };
 178
 179   const wchar_t* new_argv[] = {
 180     L"foo.exe",
 181     NULL
 182   };
 183
 184   TestInitGoogleMock(argv, new_argv, GMOCK_FLAG(verbose));
 185 }
 186
 187 TEST(WideInitGoogleMockTest, ParsesSingleFlag) {
 188   const wchar_t* argv[] = {
 189     L"foo.exe",
 190     L"--gmock_verbose=info",
 191     NULL
 192   };
 193
 194   const wchar_t* new_argv[] = {
 195     L"foo.exe",
 196     NULL
 197   };
 198
 199   TestInitGoogleMock(argv, new_argv, "info");
 200 }
 201
 202 TEST(WideInitGoogleMockTest, ParsesMultipleFlags) {
 203   int old_default_behavior = GMOCK_FLAG(default_mock_behavior);
 204   const wchar_t* argv[] = {
 205     L"foo.exe",
 206     L"--gmock_verbose=info",
 207     L"--gmock_default_mock_behavior=2",
 208     NULL
 209   };
 210
 211   const wchar_t* new_argv[] = {
 212     L"foo.exe",
 213     NULL
 214   };
 215
 216   TestInitGoogleMock(argv, new_argv, "info");
 217   EXPECT_EQ(2, GMOCK_FLAG(default_mock_behavior));
 218   EXPECT_NE(2, old_default_behavior);
 219   GMOCK_FLAG(default_mock_behavior) = old_default_behavior;
 220 }
 221
 222 TEST(WideInitGoogleMockTest, ParsesUnrecognizedFlag) {
 223   const wchar_t* argv[] = {
 224     L"foo.exe",
 225     L"--non_gmock_flag=blah",
 226     NULL
 227   };
 228
 229   const wchar_t* new_argv[] = {
 230     L"foo.exe",
 231     L"--non_gmock_flag=blah",
 232     NULL
 233   };
 234
 235   TestInitGoogleMock(argv, new_argv, GMOCK_FLAG(verbose));
 236 }
 237
 238 TEST(WideInitGoogleMockTest, ParsesGoogleMockFlagAndUnrecognizedFlag) {
 239   const wchar_t* argv[] = {
 240     L"foo.exe",
 241     L"--non_gmock_flag=blah",
 242     L"--gmock_verbose=error",
 243     NULL
 244   };
 245
 246   const wchar_t* new_argv[] = {
 247     L"foo.exe",
 248     L"--non_gmock_flag=blah",
 249     NULL
 250   };
 251
 252   TestInitGoogleMock(argv, new_argv, "error");
 253 }
 254
 255 #endif  // !defined(GTEST_CUSTOM_INIT_GOOGLE_TEST_FUNCTION_)
 256
 257 // Makes sure Google Mock flags can be accessed in code.
 258 TEST(FlagTest, IsAccessibleInCode) {
 259   bool dummy = testing::GMOCK_FLAG(catch_leaked_mocks) &&
 260       testing::GMOCK_FLAG(verbose) == "";
 261   (void)dummy;  // Avoids the "unused local variable" warning.
 262 }