1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
// Formatting library for C++ - custom Google Test assertions
//
// Copyright (c) 2012 - present, Victor Zverovich
// All rights reserved.
//
// For the license information refer to format.h.
#ifndef FMT_GTEST_EXTRA_H_
#define FMT_GTEST_EXTRA_H_
#include <string>
#include "fmt/os.h"
#include <gmock/gmock.h>
#define FMT_TEST_THROW_(statement, expected_exception, expected_message, fail) \
GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
if (::testing::AssertionResult gtest_ar = ::testing::AssertionSuccess()) { \
std::string gtest_expected_message = expected_message; \
bool gtest_caught_expected = false; \
try { \
GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement); \
} catch (expected_exception const& e) { \
if (gtest_expected_message != e.what()) { \
gtest_ar << #statement \
" throws an exception with a different message.\n" \
<< "Expected: " << gtest_expected_message << "\n" \
<< " Actual: " << e.what(); \
goto GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__); \
} \
gtest_caught_expected = true; \
} catch (...) { \
gtest_ar << "Expected: " #statement \
" throws an exception of type " #expected_exception \
".\n Actual: it throws a different type."; \
goto GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__); \
} \
if (!gtest_caught_expected) { \
gtest_ar << "Expected: " #statement \
" throws an exception of type " #expected_exception \
".\n Actual: it throws nothing."; \
goto GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__); \
} \
} else \
GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__) \
: fail(gtest_ar.failure_message())
// Tests that the statement throws the expected exception and the exception's
// what() method returns expected message.
#define EXPECT_THROW_MSG(statement, expected_exception, expected_message) \
FMT_TEST_THROW_(statement, expected_exception, expected_message, \
GTEST_NONFATAL_FAILURE_)
std::string format_system_error(int error_code, fmt::string_view message);
#define EXPECT_SYSTEM_ERROR(statement, error_code, message) \
EXPECT_THROW_MSG(statement, fmt::system_error, \
format_system_error(error_code, message))
#if FMT_USE_FCNTL
// Captures file output by redirecting it to a pipe.
// The output it can handle is limited by the pipe capacity.
class OutputRedirect {
private:
FILE* file_;
fmt::file original_; // Original file passed to redirector.
fmt::file read_end_; // Read end of the pipe where the output is redirected.
OutputRedirect(const OutputRedirect&) = delete;
OutputRedirect& operator= (const OutputRedirect&) = delete;
void flush();
void restore();
public:
explicit OutputRedirect(FILE* file);
~OutputRedirect() FMT_NOEXCEPT;
// Restores the original file, reads output from the pipe into a string
// and returns it.
std::string restore_and_read();
};
# define FMT_TEST_WRITE_(statement, expected_output, file, fail) \
GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
if (::testing::AssertionResult gtest_ar = ::testing::AssertionSuccess()) { \
std::string gtest_expected_output = expected_output; \
OutputRedirect gtest_redir(file); \
GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement); \
std::string gtest_output = gtest_redir.restore_and_read(); \
if (gtest_output != gtest_expected_output) { \
gtest_ar << #statement " produces different output.\n" \
<< "Expected: " << gtest_expected_output << "\n" \
<< " Actual: " << gtest_output; \
goto GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__); \
} \
} else \
GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__) \
: fail(gtest_ar.failure_message())
// Tests that the statement writes the expected output to file.
# define EXPECT_WRITE(file, statement, expected_output) \
FMT_TEST_WRITE_(statement, expected_output, file, GTEST_NONFATAL_FAILURE_)
# ifdef _MSC_VER
#include <crtdbg.h>
// Suppresses Windows assertions on invalid file descriptors, making
// POSIX functions return proper error codes instead of crashing on Windows.
class SuppressAssert {
private:
_invalid_parameter_handler original_handler_;
int original_report_mode_;
static void handle_invalid_parameter(const wchar_t*, const wchar_t*,
const wchar_t*, unsigned, uintptr_t) {}
public:
SuppressAssert()
: original_handler_(
_set_invalid_parameter_handler(handle_invalid_parameter)),
original_report_mode_(_CrtSetReportMode(_CRT_ASSERT, 0)) {}
~SuppressAssert() {
_set_invalid_parameter_handler(original_handler_);
_CrtSetReportMode(_CRT_ASSERT, original_report_mode_);
}
};
# define SUPPRESS_ASSERT(statement) \
{ \
SuppressAssert sa; \
statement; \
}
# else
# define SUPPRESS_ASSERT(statement) statement
# endif // _MSC_VER
# define EXPECT_SYSTEM_ERROR_NOASSERT(statement, error_code, message) \
EXPECT_SYSTEM_ERROR(SUPPRESS_ASSERT(statement), error_code, message)
// Attempts to read count characters from a file.
std::string read(fmt::file& f, size_t count);
# define EXPECT_READ(file, expected_content) \
EXPECT_EQ(expected_content, \
read(file, fmt::string_view(expected_content).size()))
#else
# define EXPECT_WRITE(file, statement, expected_output) \
do { \
(void)(file); \
(void)(statement); \
(void)(expected_output); \
SUCCEED(); \
} while (false)
#endif // FMT_USE_FCNTL
template <typename Mock> struct ScopedMock : testing::StrictMock<Mock> {
ScopedMock() { Mock::instance = this; }
~ScopedMock() { Mock::instance = nullptr; }
};
#endif // FMT_GTEST_EXTRA_H_
|
