/usr/lib/gcc-cross/powerpc64-linux-gnu/7/plugin/include/selftest.h is in gcc-7-plugin-dev-powerpc64-linux-gnu 7.3.0-16ubuntu3cross1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 | /* A self-testing framework, for use by -fself-test.
Copyright (C) 2015-2017 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/>. */
#ifndef GCC_SELFTEST_H
#define GCC_SELFTEST_H
/* The selftest code should entirely disappear in a production
configuration, hence we guard all of it with #if CHECKING_P. */
#if CHECKING_P
namespace selftest {
/* A struct describing the source-location of a selftest, to make it
easier to track down failing tests. */
struct location
{
location (const char *file, int line, const char *function)
: m_file (file), m_line (line), m_function (function) {}
const char *m_file;
int m_line;
const char *m_function;
};
/* A macro for use in selftests and by the ASSERT_ macros below,
constructing a selftest::location for the current source location. */
#define SELFTEST_LOCATION \
(::selftest::location (__FILE__, __LINE__, __FUNCTION__))
/* The entrypoint for running all tests. */
extern void run_tests ();
/* Record the successful outcome of some aspect of the test. */
extern void pass (const location &loc, const char *msg);
/* Report the failed outcome of some aspect of the test and abort. */
extern void fail (const location &loc, const char *msg)
ATTRIBUTE_NORETURN;
/* As "fail", but using printf-style formatted output. */
extern void fail_formatted (const location &loc, const char *fmt, ...)
ATTRIBUTE_PRINTF_2 ATTRIBUTE_NORETURN;
/* Implementation detail of ASSERT_STREQ. */
extern void assert_streq (const location &loc,
const char *desc_expected, const char *desc_actual,
const char *val_expected, const char *val_actual);
/* Implementation detail of ASSERT_STR_CONTAINS. */
extern void assert_str_contains (const location &loc,
const char *desc_haystack,
const char *desc_needle,
const char *val_haystack,
const char *val_needle);
/* A named temporary file for use in selftests.
Usable for writing out files, and as the base class for
temp_source_file.
The file is unlinked in the destructor. */
class named_temp_file
{
public:
named_temp_file (const char *suffix);
~named_temp_file ();
const char *get_filename () const { return m_filename; }
private:
char *m_filename;
};
/* A class for writing out a temporary sourcefile for use in selftests
of input handling. */
class temp_source_file : public named_temp_file
{
public:
temp_source_file (const location &loc, const char *suffix,
const char *content);
};
/* Various selftests involving location-handling require constructing a
line table and one or more line maps within it.
For maximum test coverage we want to run these tests with a variety
of situations:
- line_table->default_range_bits: some frontends use a non-zero value
and others use zero
- the fallback modes within line-map.c: there are various threshold
values for source_location/location_t beyond line-map.c changes
behavior (disabling of the range-packing optimization, disabling
of column-tracking). We can exercise these by starting the line_table
at interesting values at or near these thresholds.
The following struct describes a particular case within our test
matrix. */
struct line_table_case;
/* A class for overriding the global "line_table" within a selftest,
restoring its value afterwards. At most one instance of this
class can exist at once, due to the need to keep the old value
of line_table as a GC root. */
class line_table_test
{
public:
/* Default constructor. Override "line_table", using sane defaults
for the temporary line_table. */
line_table_test ();
/* Constructor. Override "line_table", using the case described by C. */
line_table_test (const line_table_case &c);
/* Destructor. Restore the saved line_table. */
~line_table_test ();
};
/* Run TESTCASE multiple times, once for each case in our test matrix. */
extern void
for_each_line_table_case (void (*testcase) (const line_table_case &));
/* Read the contents of PATH into memory, returning a 0-terminated buffer
that must be freed by the caller.
Fail (and abort) if there are any problems, with LOC as the reported
location of the failure. */
extern char *read_file (const location &loc, const char *path);
/* A helper function for writing tests that interact with the
garbage collector. */
extern void forcibly_ggc_collect ();
/* Convert a path relative to SRCDIR/gcc/testsuite/selftests
to a real path (either absolute, or relative to pwd).
The result should be freed by the caller. */
extern char *locate_file (const char *path);
/* The path of SRCDIR/testsuite/selftests. */
extern const char *path_to_selftest_files;
/* Declarations for specific families of tests (by source file), in
alphabetical order. */
extern void bitmap_c_tests ();
extern void diagnostic_c_tests ();
extern void diagnostic_show_locus_c_tests ();
extern void edit_context_c_tests ();
extern void et_forest_c_tests ();
extern void fold_const_c_tests ();
extern void fibonacci_heap_c_tests ();
extern void function_tests_c_tests ();
extern void gimple_c_tests ();
extern void ggc_tests_c_tests ();
extern void hash_map_tests_c_tests ();
extern void hash_set_tests_c_tests ();
extern void input_c_tests ();
extern void pretty_print_c_tests ();
extern void read_rtl_function_c_tests ();
extern void rtl_tests_c_tests ();
extern void selftest_c_tests ();
extern void spellcheck_c_tests ();
extern void spellcheck_tree_c_tests ();
extern void sreal_c_tests ();
extern void store_merging_c_tests ();
extern void typed_splay_tree_c_tests ();
extern void tree_c_tests ();
extern void tree_cfg_c_tests ();
extern void vec_c_tests ();
extern void wide_int_cc_tests ();
extern int num_passes;
} /* end of namespace selftest. */
/* Macros for writing tests. */
/* Evaluate EXPR and coerce to bool, calling
::selftest::pass if it is true,
::selftest::fail if it false. */
#define ASSERT_TRUE(EXPR) \
ASSERT_TRUE_AT (SELFTEST_LOCATION, (EXPR))
/* Like ASSERT_TRUE, but treat LOC as the effective location of the
selftest. */
#define ASSERT_TRUE_AT(LOC, EXPR) \
SELFTEST_BEGIN_STMT \
const char *desc = "ASSERT_TRUE (" #EXPR ")"; \
bool actual = (EXPR); \
if (actual) \
::selftest::pass ((LOC), desc); \
else \
::selftest::fail ((LOC), desc); \
SELFTEST_END_STMT
/* Evaluate EXPR and coerce to bool, calling
::selftest::pass if it is false,
::selftest::fail if it true. */
#define ASSERT_FALSE(EXPR) \
ASSERT_FALSE_AT (SELFTEST_LOCATION, (EXPR))
/* Like ASSERT_FALSE, but treat LOC as the effective location of the
selftest. */
#define ASSERT_FALSE_AT(LOC, EXPR) \
SELFTEST_BEGIN_STMT \
const char *desc = "ASSERT_FALSE (" #EXPR ")"; \
bool actual = (EXPR); \
if (actual) \
::selftest::fail ((LOC), desc); \
else \
::selftest::pass ((LOC), desc); \
SELFTEST_END_STMT
/* Evaluate EXPECTED and ACTUAL and compare them with ==, calling
::selftest::pass if they are equal,
::selftest::fail if they are non-equal. */
#define ASSERT_EQ(EXPECTED, ACTUAL) \
ASSERT_EQ_AT ((SELFTEST_LOCATION), (EXPECTED), (ACTUAL))
/* Like ASSERT_EQ, but treat LOC as the effective location of the
selftest. */
#define ASSERT_EQ_AT(LOC, EXPECTED, ACTUAL) \
SELFTEST_BEGIN_STMT \
const char *desc = "ASSERT_EQ (" #EXPECTED ", " #ACTUAL ")"; \
if ((EXPECTED) == (ACTUAL)) \
::selftest::pass ((LOC), desc); \
else \
::selftest::fail ((LOC), desc); \
SELFTEST_END_STMT
/* Evaluate EXPECTED and ACTUAL and compare them with !=, calling
::selftest::pass if they are non-equal,
::selftest::fail if they are equal. */
#define ASSERT_NE(EXPECTED, ACTUAL) \
SELFTEST_BEGIN_STMT \
const char *desc = "ASSERT_NE (" #EXPECTED ", " #ACTUAL ")"; \
if ((EXPECTED) != (ACTUAL)) \
::selftest::pass (SELFTEST_LOCATION, desc); \
else \
::selftest::fail (SELFTEST_LOCATION, desc); \
SELFTEST_END_STMT
/* Evaluate EXPECTED and ACTUAL and compare them with strcmp, calling
::selftest::pass if they are equal,
::selftest::fail if they are non-equal. */
#define ASSERT_STREQ(EXPECTED, ACTUAL) \
SELFTEST_BEGIN_STMT \
::selftest::assert_streq (SELFTEST_LOCATION, #EXPECTED, #ACTUAL, \
(EXPECTED), (ACTUAL)); \
SELFTEST_END_STMT
/* Like ASSERT_STREQ, but treat LOC as the effective location of the
selftest. */
#define ASSERT_STREQ_AT(LOC, EXPECTED, ACTUAL) \
SELFTEST_BEGIN_STMT \
::selftest::assert_streq ((LOC), #EXPECTED, #ACTUAL, \
(EXPECTED), (ACTUAL)); \
SELFTEST_END_STMT
/* Evaluate HAYSTACK and NEEDLE and use strstr to determine if NEEDLE
is within HAYSTACK.
::selftest::pass if NEEDLE is found.
::selftest::fail if it is not found. */
#define ASSERT_STR_CONTAINS(HAYSTACK, NEEDLE) \
SELFTEST_BEGIN_STMT \
::selftest::assert_str_contains (SELFTEST_LOCATION, #HAYSTACK, #NEEDLE, \
(HAYSTACK), (NEEDLE)); \
SELFTEST_END_STMT
/* Evaluate PRED1 (VAL1), calling ::selftest::pass if it is true,
::selftest::fail if it is false. */
#define ASSERT_PRED1(PRED1, VAL1) \
SELFTEST_BEGIN_STMT \
const char *desc = "ASSERT_PRED1 (" #PRED1 ", " #VAL1 ")"; \
bool actual = (PRED1) (VAL1); \
if (actual) \
::selftest::pass (SELFTEST_LOCATION, desc); \
else \
::selftest::fail (SELFTEST_LOCATION, desc); \
SELFTEST_END_STMT
#define SELFTEST_BEGIN_STMT do {
#define SELFTEST_END_STMT } while (0)
#endif /* #if CHECKING_P */
#endif /* GCC_SELFTEST_H */
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