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29
30
31// Google Mock - a framework for writing C++ mock classes.
32//
33// This file tests code in gmock.cc.
34
35#include "gmock/gmock.h"
36
37#include <string>
38#include "gtest/gtest.h"
39#include "gtest/internal/custom/gtest.h"
40
41#if !defined(GTEST_CUSTOM_INIT_GOOGLE_TEST_FUNCTION_)
42
43using testing::GMOCK_FLAG(default_mock_behavior);
44using testing::GMOCK_FLAG(verbose);
45using testing::InitGoogleMock;
46
47// Verifies that calling InitGoogleMock() on argv results in new_argv,
48// and the gmock_verbose flag's value is set to expected_gmock_verbose.
49template <typename Char, int M, int N>
50void TestInitGoogleMock(const Char* (&argv)[M], const Char* (&new_argv)[N],
51 const ::std::string& expected_gmock_verbose) {
52 const ::std::string old_verbose = GMOCK_FLAG(verbose);
53
54 int argc = M - 1;
55 InitGoogleMock(&argc, const_cast<Char**>(argv));
56 ASSERT_EQ(N - 1, argc) << "The new argv has wrong number of elements.";
57
58 for (int i = 0; i < N; i++) {
59 EXPECT_STREQ(new_argv[i], argv[i]);
60 }
61
62 EXPECT_EQ(expected_gmock_verbose, GMOCK_FLAG(verbose).c_str());
63 GMOCK_FLAG(verbose) = old_verbose; // Restores the gmock_verbose flag.
64}
65
66TEST(InitGoogleMockTest, ParsesInvalidCommandLine) {
67 const char* argv[] = {nullptr};
68
69 const char* new_argv[] = {nullptr};
70
71 TestInitGoogleMock(argv, new_argv, GMOCK_FLAG(verbose));
72}
73
74TEST(InitGoogleMockTest, ParsesEmptyCommandLine) {
75 const char* argv[] = {"foo.exe", nullptr};
76
77 const char* new_argv[] = {"foo.exe", nullptr};
78
79 TestInitGoogleMock(argv, new_argv, GMOCK_FLAG(verbose));
80}
81
82TEST(InitGoogleMockTest, ParsesSingleFlag) {
83 const char* argv[] = {"foo.exe", "--gmock_verbose=info", nullptr};
84
85 const char* new_argv[] = {"foo.exe", nullptr};
86
87 TestInitGoogleMock(argv, new_argv, "info");
88}
89
90TEST(InitGoogleMockTest, ParsesMultipleFlags) {
91 int old_default_behavior = GMOCK_FLAG(default_mock_behavior);
92 const wchar_t* argv[] = {L"foo.exe", L"--gmock_verbose=info",
93 L"--gmock_default_mock_behavior=2", nullptr};
94
95 const wchar_t* new_argv[] = {L"foo.exe", nullptr};
96
97 TestInitGoogleMock(argv, new_argv, "info");
98 EXPECT_EQ(2, GMOCK_FLAG(default_mock_behavior));
99 EXPECT_NE(2, old_default_behavior);
100 GMOCK_FLAG(default_mock_behavior) = old_default_behavior;
101}
102
103TEST(InitGoogleMockTest, ParsesUnrecognizedFlag) {
104 const char* argv[] = {"foo.exe", "--non_gmock_flag=blah", nullptr};
105
106 const char* new_argv[] = {"foo.exe", "--non_gmock_flag=blah", nullptr};
107
108 TestInitGoogleMock(argv, new_argv, GMOCK_FLAG(verbose));
109}
110
111TEST(InitGoogleMockTest, ParsesGoogleMockFlagAndUnrecognizedFlag) {
112 const char* argv[] = {"foo.exe", "--non_gmock_flag=blah",
113 "--gmock_verbose=error", nullptr};
114
115 const char* new_argv[] = {"foo.exe", "--non_gmock_flag=blah", nullptr};
116
117 TestInitGoogleMock(argv, new_argv, "error");
118}
119
120TEST(WideInitGoogleMockTest, ParsesInvalidCommandLine) {
121 const wchar_t* argv[] = {nullptr};
122
123 const wchar_t* new_argv[] = {nullptr};
124
125 TestInitGoogleMock(argv, new_argv, GMOCK_FLAG(verbose));
126}
127
128TEST(WideInitGoogleMockTest, ParsesEmptyCommandLine) {
129 const wchar_t* argv[] = {L"foo.exe", nullptr};
130
131 const wchar_t* new_argv[] = {L"foo.exe", nullptr};
132
133 TestInitGoogleMock(argv, new_argv, GMOCK_FLAG(verbose));
134}
135
136TEST(WideInitGoogleMockTest, ParsesSingleFlag) {
137 const wchar_t* argv[] = {L"foo.exe", L"--gmock_verbose=info", nullptr};
138
139 const wchar_t* new_argv[] = {L"foo.exe", nullptr};
140
141 TestInitGoogleMock(argv, new_argv, "info");
142}
143
144TEST(WideInitGoogleMockTest, ParsesMultipleFlags) {
145 int old_default_behavior = GMOCK_FLAG(default_mock_behavior);
146 const wchar_t* argv[] = {L"foo.exe", L"--gmock_verbose=info",
147 L"--gmock_default_mock_behavior=2", nullptr};
148
149 const wchar_t* new_argv[] = {L"foo.exe", nullptr};
150
151 TestInitGoogleMock(argv, new_argv, "info");
152 EXPECT_EQ(2, GMOCK_FLAG(default_mock_behavior));
153 EXPECT_NE(2, old_default_behavior);
154 GMOCK_FLAG(default_mock_behavior) = old_default_behavior;
155}
156
157TEST(WideInitGoogleMockTest, ParsesUnrecognizedFlag) {
158 const wchar_t* argv[] = {L"foo.exe", L"--non_gmock_flag=blah", nullptr};
159
160 const wchar_t* new_argv[] = {L"foo.exe", L"--non_gmock_flag=blah", nullptr};
161
162 TestInitGoogleMock(argv, new_argv, GMOCK_FLAG(verbose));
163}
164
165TEST(WideInitGoogleMockTest, ParsesGoogleMockFlagAndUnrecognizedFlag) {
166 const wchar_t* argv[] = {L"foo.exe", L"--non_gmock_flag=blah",
167 L"--gmock_verbose=error", nullptr};
168
169 const wchar_t* new_argv[] = {L"foo.exe", L"--non_gmock_flag=blah", nullptr};
170
171 TestInitGoogleMock(argv, new_argv, "error");
172}
173
174#endif // !defined(GTEST_CUSTOM_INIT_GOOGLE_TEST_FUNCTION_)
175
176// Makes sure Google Mock flags can be accessed in code.
177TEST(FlagTest, IsAccessibleInCode) {
178 bool dummy = testing::GMOCK_FLAG(catch_leaked_mocks) &&
179 testing::GMOCK_FLAG(verbose) == "";
180 (void)dummy; // Avoids the "unused local variable" warning.
181}
182