xref: /freebsd/contrib/googletest/googlemock/test/gmock_test.cc (revision f126890ac5386406dadf7c4cfa9566cbb56537c5)
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29 
30 // Google Mock - a framework for writing C++ mock classes.
31 //
32 // This file tests code in gmock.cc.
33 
34 #include "gmock/gmock.h"
35 
36 #include <string>
37 
38 #include "gtest/gtest.h"
39 #include "gtest/internal/custom/gtest.h"
40 
41 #if !defined(GTEST_CUSTOM_INIT_GOOGLE_TEST_FUNCTION_)
42 
43 using testing::InitGoogleMock;
44 
45 // Verifies that calling InitGoogleMock() on argv results in new_argv,
46 // and the gmock_verbose flag's value is set to expected_gmock_verbose.
47 template <typename Char, int M, int N>
48 void TestInitGoogleMock(const Char* (&argv)[M], const Char* (&new_argv)[N],
49                         const ::std::string& expected_gmock_verbose) {
50   const ::std::string old_verbose = GMOCK_FLAG_GET(verbose);
51 
52   int argc = M - 1;
53   InitGoogleMock(&argc, const_cast<Char**>(argv));
54   ASSERT_EQ(N - 1, argc) << "The new argv has wrong number of elements.";
55 
56   for (int i = 0; i < N; i++) {
57     EXPECT_STREQ(new_argv[i], argv[i]);
58   }
59 
60   EXPECT_EQ(expected_gmock_verbose, GMOCK_FLAG_GET(verbose));
61   GMOCK_FLAG_SET(verbose, old_verbose);  // Restores the gmock_verbose flag.
62 }
63 
64 TEST(InitGoogleMockTest, ParsesInvalidCommandLine) {
65   const char* argv[] = {nullptr};
66 
67   const char* new_argv[] = {nullptr};
68 
69   TestInitGoogleMock(argv, new_argv, GMOCK_FLAG_GET(verbose));
70 }
71 
72 TEST(InitGoogleMockTest, ParsesEmptyCommandLine) {
73   const char* argv[] = {"foo.exe", nullptr};
74 
75   const char* new_argv[] = {"foo.exe", nullptr};
76 
77   TestInitGoogleMock(argv, new_argv, GMOCK_FLAG_GET(verbose));
78 }
79 
80 TEST(InitGoogleMockTest, ParsesSingleFlag) {
81   const char* argv[] = {"foo.exe", "--gmock_verbose=info", nullptr};
82 
83   const char* new_argv[] = {"foo.exe", nullptr};
84 
85   TestInitGoogleMock(argv, new_argv, "info");
86 }
87 
88 TEST(InitGoogleMockTest, ParsesMultipleFlags) {
89   int old_default_behavior = GMOCK_FLAG_GET(default_mock_behavior);
90   const wchar_t* argv[] = {L"foo.exe", L"--gmock_verbose=info",
91                            L"--gmock_default_mock_behavior=2", nullptr};
92 
93   const wchar_t* new_argv[] = {L"foo.exe", nullptr};
94 
95   TestInitGoogleMock(argv, new_argv, "info");
96   EXPECT_EQ(2, GMOCK_FLAG_GET(default_mock_behavior));
97   EXPECT_NE(2, old_default_behavior);
98   GMOCK_FLAG_SET(default_mock_behavior, old_default_behavior);
99 }
100 
101 TEST(InitGoogleMockTest, ParsesUnrecognizedFlag) {
102   const char* argv[] = {"foo.exe", "--non_gmock_flag=blah", nullptr};
103 
104   const char* new_argv[] = {"foo.exe", "--non_gmock_flag=blah", nullptr};
105 
106   TestInitGoogleMock(argv, new_argv, GMOCK_FLAG_GET(verbose));
107 }
108 
109 TEST(InitGoogleMockTest, ParsesGoogleMockFlagAndUnrecognizedFlag) {
110   const char* argv[] = {"foo.exe", "--non_gmock_flag=blah",
111                         "--gmock_verbose=error", nullptr};
112 
113   const char* new_argv[] = {"foo.exe", "--non_gmock_flag=blah", nullptr};
114 
115   TestInitGoogleMock(argv, new_argv, "error");
116 }
117 
118 TEST(WideInitGoogleMockTest, ParsesInvalidCommandLine) {
119   const wchar_t* argv[] = {nullptr};
120 
121   const wchar_t* new_argv[] = {nullptr};
122 
123   TestInitGoogleMock(argv, new_argv, GMOCK_FLAG_GET(verbose));
124 }
125 
126 TEST(WideInitGoogleMockTest, ParsesEmptyCommandLine) {
127   const wchar_t* argv[] = {L"foo.exe", nullptr};
128 
129   const wchar_t* new_argv[] = {L"foo.exe", nullptr};
130 
131   TestInitGoogleMock(argv, new_argv, GMOCK_FLAG_GET(verbose));
132 }
133 
134 TEST(WideInitGoogleMockTest, ParsesSingleFlag) {
135   const wchar_t* argv[] = {L"foo.exe", L"--gmock_verbose=info", nullptr};
136 
137   const wchar_t* new_argv[] = {L"foo.exe", nullptr};
138 
139   TestInitGoogleMock(argv, new_argv, "info");
140 }
141 
142 TEST(WideInitGoogleMockTest, ParsesMultipleFlags) {
143   int old_default_behavior = GMOCK_FLAG_GET(default_mock_behavior);
144   const wchar_t* argv[] = {L"foo.exe", L"--gmock_verbose=info",
145                            L"--gmock_default_mock_behavior=2", nullptr};
146 
147   const wchar_t* new_argv[] = {L"foo.exe", nullptr};
148 
149   TestInitGoogleMock(argv, new_argv, "info");
150   EXPECT_EQ(2, GMOCK_FLAG_GET(default_mock_behavior));
151   EXPECT_NE(2, old_default_behavior);
152   GMOCK_FLAG_SET(default_mock_behavior, old_default_behavior);
153 }
154 
155 TEST(WideInitGoogleMockTest, ParsesUnrecognizedFlag) {
156   const wchar_t* argv[] = {L"foo.exe", L"--non_gmock_flag=blah", nullptr};
157 
158   const wchar_t* new_argv[] = {L"foo.exe", L"--non_gmock_flag=blah", nullptr};
159 
160   TestInitGoogleMock(argv, new_argv, GMOCK_FLAG_GET(verbose));
161 }
162 
163 TEST(WideInitGoogleMockTest, ParsesGoogleMockFlagAndUnrecognizedFlag) {
164   const wchar_t* argv[] = {L"foo.exe", L"--non_gmock_flag=blah",
165                            L"--gmock_verbose=error", nullptr};
166 
167   const wchar_t* new_argv[] = {L"foo.exe", L"--non_gmock_flag=blah", nullptr};
168 
169   TestInitGoogleMock(argv, new_argv, "error");
170 }
171 
172 #endif  // !defined(GTEST_CUSTOM_INIT_GOOGLE_TEST_FUNCTION_)
173 
174 // Makes sure Google Mock flags can be accessed in code.
175 TEST(FlagTest, IsAccessibleInCode) {
176   bool dummy =
177       GMOCK_FLAG_GET(catch_leaked_mocks) && GMOCK_FLAG_GET(verbose).empty();
178   (void)dummy;  // Avoids the "unused local variable" warning.
179 }
180