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
|
/* A self-testing framework, for use by -fself-test.
Copyright (C) 2015-2016 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "selftest.h"
#if CHECKING_P
int selftest::num_passes;
/* Record the successful outcome of some aspect of a test. */
void
selftest::pass (const location &/*loc*/, const char */*msg*/)
{
num_passes++;
}
/* Report the failed outcome of some aspect of a test and abort. */
void
selftest::fail (const location &loc, const char *msg)
{
fprintf (stderr,"%s:%i: %s: FAIL: %s\n", loc.m_file, loc.m_line,
loc.m_function, msg);
abort ();
}
/* As "fail", but using printf-style formatted output. */
void
selftest::fail_formatted (const location &loc, const char *fmt, ...)
{
va_list ap;
fprintf (stderr, "%s:%i: %s: FAIL: ", loc.m_file, loc.m_line,
loc.m_function);
va_start (ap, fmt);
vfprintf (stderr, fmt, ap);
va_end (ap);
fprintf (stderr, "\n");
abort ();
}
/* Implementation detail of ASSERT_STREQ.
Compare val_expected and val_actual with strcmp. They ought
to be non-NULL; fail gracefully if either are NULL. */
void
selftest::assert_streq (const location &loc,
const char *desc_expected, const char *desc_actual,
const char *val_expected, const char *val_actual)
{
/* If val_expected is NULL, the test is buggy. Fail gracefully. */
if (val_expected == NULL)
::selftest::fail_formatted
(loc, "ASSERT_STREQ (%s, %s) expected=NULL",
desc_expected, desc_actual);
/* If val_actual is NULL, fail with a custom error message. */
if (val_actual == NULL)
::selftest::fail_formatted
(loc, "ASSERT_STREQ (%s, %s) expected=\"%s\" actual=NULL",
desc_expected, desc_actual, val_expected);
if (0 == strcmp (val_expected, val_actual))
::selftest::pass (loc, "ASSERT_STREQ");
else
::selftest::fail_formatted
(loc, "ASSERT_STREQ (%s, %s) expected=\"%s\" actual=\"%s\"",
desc_expected, desc_actual, val_expected, val_actual);
}
/* Constructor. Create a tempfile using SUFFIX, and write CONTENT to
it. Abort if anything goes wrong, using LOC as the effective
location in the problem report. */
selftest::temp_source_file::temp_source_file (const location &loc,
const char *suffix,
const char *content)
{
m_filename = make_temp_file (suffix);
ASSERT_NE (m_filename, NULL);
FILE *out = fopen (m_filename, "w");
if (!out)
::selftest::fail_formatted (loc, "unable to open tempfile: %s",
m_filename);
fprintf (out, "%s", content);
fclose (out);
}
/* Destructor. Delete the tempfile. */
selftest::temp_source_file::~temp_source_file ()
{
unlink (m_filename);
free (m_filename);
}
/* Selftests for the selftest system itself. */
namespace selftest {
/* Sanity-check the ASSERT_ macros with various passing cases. */
static void
test_assertions ()
{
ASSERT_TRUE (true);
ASSERT_FALSE (false);
ASSERT_EQ (1, 1);
ASSERT_EQ_AT (SELFTEST_LOCATION, 1, 1);
ASSERT_NE (1, 2);
ASSERT_STREQ ("test", "test");
ASSERT_STREQ_AT (SELFTEST_LOCATION, "test", "test");
}
/* Run all of the selftests within this file. */
void
selftest_c_tests ()
{
test_assertions ();
}
} // namespace selftest
#endif /* #if CHECKING_P */
|
