-
Notifications
You must be signed in to change notification settings - Fork 5
/
greatest.h
1225 lines (1116 loc) · 64.9 KB
/
greatest.h
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
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*
* Copyright (c) 2011-2019 Scott Vokes <[email protected]>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef GREATEST_H
#define GREATEST_H
#if defined(__cplusplus) && !defined(GREATEST_NO_EXTERN_CPLUSPLUS)
extern "C" {
#endif
/* 1.4.2 */
#define GREATEST_VERSION_MAJOR 1
#define GREATEST_VERSION_MINOR 4
#define GREATEST_VERSION_PATCH 2
/* A unit testing system for C, contained in 1 file.
* It doesn't use dynamic allocation or depend on anything
* beyond ANSI C89.
*
* An up-to-date version can be found at:
* https://github.com/silentbicycle/greatest/
*/
/*********************************************************************
* Minimal test runner template
*********************************************************************/
#if 0
#include "greatest.h"
TEST foo_should_foo(void) {
PASS();
}
static void setup_cb(void *data) {
printf("setup callback for each test case\n");
}
static void teardown_cb(void *data) {
printf("teardown callback for each test case\n");
}
SUITE(suite) {
/* Optional setup/teardown callbacks which will be run before/after
* every test case. If using a test suite, they will be cleared when
* the suite finishes. */
SET_SETUP(setup_cb, voidp_to_callback_data);
SET_TEARDOWN(teardown_cb, voidp_to_callback_data);
RUN_TEST(foo_should_foo);
}
/* Add definitions that need to be in the test runner's main file. */
GREATEST_MAIN_DEFS();
/* Set up, run suite(s) of tests, report pass/fail/skip stats. */
int run_tests(void) {
GREATEST_INIT(); /* init. greatest internals */
/* List of suites to run (if any). */
RUN_SUITE(suite);
/* Tests can also be run directly, without using test suites. */
RUN_TEST(foo_should_foo);
GREATEST_PRINT_REPORT(); /* display results */
return greatest_all_passed();
}
/* main(), for a standalone command-line test runner.
* This replaces run_tests above, and adds command line option
* handling and exiting with a pass/fail status. */
int main(int argc, char **argv) {
GREATEST_MAIN_BEGIN(); /* init & parse command-line args */
RUN_SUITE(suite);
GREATEST_MAIN_END(); /* display results */
}
#endif
/*********************************************************************/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
/***********
* Options *
***********/
/* Default column width for non-verbose output. */
#ifndef GREATEST_DEFAULT_WIDTH
#define GREATEST_DEFAULT_WIDTH 72
#endif
/* FILE *, for test logging. */
#ifndef GREATEST_STDOUT
#define GREATEST_STDOUT stdout
#endif
/* Remove GREATEST_ prefix from most commonly used symbols? */
#ifndef GREATEST_USE_ABBREVS
#define GREATEST_USE_ABBREVS 1
#endif
/* Set to 0 to disable all use of setjmp/longjmp. */
#ifndef GREATEST_USE_LONGJMP
#define GREATEST_USE_LONGJMP 1
#endif
/* Make it possible to replace fprintf with another
* function with the same interface. */
#ifndef GREATEST_FPRINTF
#define GREATEST_FPRINTF fprintf
#endif
#if GREATEST_USE_LONGJMP
#include <setjmp.h>
#endif
/* Set to 0 to disable all use of time.h / clock(). */
#ifndef GREATEST_USE_TIME
#define GREATEST_USE_TIME 1
#endif
#if GREATEST_USE_TIME
#include <time.h>
#endif
/* Floating point type, for ASSERT_IN_RANGE. */
#ifndef GREATEST_FLOAT
#define GREATEST_FLOAT double
#define GREATEST_FLOAT_FMT "%g"
#endif
/* Size of buffer for test name + optional '_' separator and suffix */
#ifndef GREATEST_TESTNAME_BUF_SIZE
#define GREATEST_TESTNAME_BUF_SIZE 128
#endif
/*********
* Types *
*********/
/* Info for the current running suite. */
typedef struct greatest_suite_info {
unsigned int tests_run;
unsigned int passed;
unsigned int failed;
unsigned int skipped;
#if GREATEST_USE_TIME
/* timers, pre/post running suite and individual tests */
clock_t pre_suite;
clock_t post_suite;
clock_t pre_test;
clock_t post_test;
#endif
} greatest_suite_info;
/* Type for a suite function. */
typedef void greatest_suite_cb(void);
/* Types for setup/teardown callbacks. If non-NULL, these will be run
* and passed the pointer to their additional data. */
typedef void greatest_setup_cb(void *udata);
typedef void greatest_teardown_cb(void *udata);
/* Type for an equality comparison between two pointers of the same type.
* Should return non-0 if equal, otherwise 0.
* UDATA is a closure value, passed through from ASSERT_EQUAL_T[m]. */
typedef int greatest_equal_cb(const void *expd, const void *got, void *udata);
/* Type for a callback that prints a value pointed to by T.
* Return value has the same meaning as printf's.
* UDATA is a closure value, passed through from ASSERT_EQUAL_T[m]. */
typedef int greatest_printf_cb(const void *t, void *udata);
/* Callbacks for an arbitrary type; needed for type-specific
* comparisons via GREATEST_ASSERT_EQUAL_T[m].*/
typedef struct greatest_type_info {
greatest_equal_cb *equal;
greatest_printf_cb *print;
} greatest_type_info;
typedef struct greatest_memory_cmp_env {
const unsigned char *exp;
const unsigned char *got;
size_t size;
} greatest_memory_cmp_env;
/* Callbacks for string and raw memory types. */
extern greatest_type_info greatest_type_info_string;
extern greatest_type_info greatest_type_info_memory;
typedef enum {
GREATEST_FLAG_FIRST_FAIL = 0x01,
GREATEST_FLAG_LIST_ONLY = 0x02,
GREATEST_FLAG_ABORT_ON_FAIL = 0x04
} greatest_flag_t;
/* Internal state for a PRNG, used to shuffle test order. */
struct greatest_prng {
unsigned char random_order; /* use random ordering? */
unsigned char initialized; /* is random ordering initialized? */
unsigned char pad_0[6];
unsigned long state; /* PRNG state */
unsigned long count; /* how many tests, this pass */
unsigned long count_ceil; /* total number of tests */
unsigned long count_run; /* total tests run */
unsigned long a; /* LCG multiplier */
unsigned long c; /* LCG increment */
unsigned long m; /* LCG modulus, based on count_ceil */
};
/* Struct containing all test runner state. */
typedef struct greatest_run_info {
unsigned char flags;
unsigned char verbosity;
unsigned char pad_0[2];
unsigned int tests_run; /* total test count */
/* currently running test suite */
greatest_suite_info suite;
/* overall pass/fail/skip counts */
unsigned int passed;
unsigned int failed;
unsigned int skipped;
unsigned int assertions;
/* info to print about the most recent failure */
unsigned int fail_line;
unsigned int pad_1;
const char *fail_file;
const char *msg;
/* current setup/teardown hooks and userdata */
greatest_setup_cb *setup;
void *setup_udata;
greatest_teardown_cb *teardown;
void *teardown_udata;
/* formatting info for ".....s...F"-style output */
unsigned int col;
unsigned int width;
/* only run a specific suite or test */
const char *suite_filter;
const char *test_filter;
const char *test_exclude;
const char *name_suffix; /* print suffix with test name */
char name_buf[GREATEST_TESTNAME_BUF_SIZE];
struct greatest_prng prng[2]; /* 0: suites, 1: tests */
#if GREATEST_USE_TIME
/* overall timers */
clock_t begin;
clock_t end;
#endif
#if GREATEST_USE_LONGJMP
int pad_jmp_buf;
unsigned char pad_2[4];
jmp_buf jump_dest;
#endif
} greatest_run_info;
struct greatest_report_t {
/* overall pass/fail/skip counts */
unsigned int passed;
unsigned int failed;
unsigned int skipped;
unsigned int assertions;
};
/* Global var for the current testing context.
* Initialized by GREATEST_MAIN_DEFS(). */
extern greatest_run_info greatest_info;
/* Type for ASSERT_ENUM_EQ's ENUM_STR argument. */
typedef const char *greatest_enum_str_fun(int value);
/**********************
* Exported functions *
**********************/
/* These are used internally by greatest macros. */
int greatest_test_pre(const char *name);
void greatest_test_post(int res);
int greatest_do_assert_equal_t(const void *expd, const void *got,
greatest_type_info *type_info, void *udata);
void greatest_prng_init_first_pass(int id);
int greatest_prng_init_second_pass(int id, unsigned long seed);
void greatest_prng_step(int id);
/* These are part of the public greatest API. */
void GREATEST_SET_SETUP_CB(greatest_setup_cb *cb, void *udata);
void GREATEST_SET_TEARDOWN_CB(greatest_teardown_cb *cb, void *udata);
void GREATEST_INIT(void);
void GREATEST_PRINT_REPORT(void);
int greatest_all_passed(void);
void greatest_set_suite_filter(const char *filter);
void greatest_set_test_filter(const char *filter);
void greatest_set_test_exclude(const char *filter);
void greatest_stop_at_first_fail(void);
void greatest_abort_on_fail(void);
void greatest_list_only(void);
void greatest_get_report(struct greatest_report_t *report);
unsigned int greatest_get_verbosity(void);
void greatest_set_verbosity(unsigned int verbosity);
void greatest_set_flag(greatest_flag_t flag);
void greatest_set_test_suffix(const char *suffix);
/********************
* Language Support *
********************/
/* If __VA_ARGS__ (C99) is supported, allow parametric testing
* without needing to manually manage the argument struct. */
#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 19901L) || \
(defined(_MSC_VER) && _MSC_VER >= 1800)
#define GREATEST_VA_ARGS
#endif
/**********
* Macros *
**********/
/* Define a suite. (The duplication is intentional -- it eliminates
* a warning from -Wmissing-declarations.) */
#define GREATEST_SUITE(NAME) void NAME(void); void NAME(void)
/* Declare a suite, provided by another compilation unit. */
#define GREATEST_SUITE_EXTERN(NAME) void NAME(void)
/* Start defining a test function.
* The arguments are not included, to allow parametric testing. */
#define GREATEST_TEST static enum greatest_test_res
/* PASS/FAIL/SKIP result from a test. Used internally. */
typedef enum greatest_test_res {
GREATEST_TEST_RES_PASS = 0,
GREATEST_TEST_RES_FAIL = -1,
GREATEST_TEST_RES_SKIP = 1
} greatest_test_res;
/* Run a suite. */
#define GREATEST_RUN_SUITE(S_NAME) greatest_run_suite(S_NAME, #S_NAME)
/* Run a test in the current suite. */
#define GREATEST_RUN_TEST(TEST) \
do { \
if (greatest_test_pre(#TEST) == 1) { \
enum greatest_test_res res = GREATEST_SAVE_CONTEXT(); \
if (res == GREATEST_TEST_RES_PASS) { \
res = TEST(); \
} \
greatest_test_post(res); \
} \
} while (0)
/* Ignore a test, don't warn about it being unused. */
#define GREATEST_IGNORE_TEST(TEST) (void)TEST
/* Run a test in the current suite with one void * argument,
* which can be a pointer to a struct with multiple arguments. */
#define GREATEST_RUN_TEST1(TEST, ENV) \
do { \
if (greatest_test_pre(#TEST) == 1) { \
enum greatest_test_res res = GREATEST_SAVE_CONTEXT(); \
if (res == GREATEST_TEST_RES_PASS) { \
res = TEST(ENV); \
} \
greatest_test_post(res); \
} \
} while (0)
#ifdef GREATEST_VA_ARGS
#define GREATEST_RUN_TESTp(TEST, ...) \
do { \
if (greatest_test_pre(#TEST) == 1) { \
enum greatest_test_res res = GREATEST_SAVE_CONTEXT(); \
if (res == GREATEST_TEST_RES_PASS) { \
res = TEST(__VA_ARGS__); \
} \
greatest_test_post(res); \
} \
} while (0)
#endif
/* Check if the test runner is in verbose mode. */
#define GREATEST_IS_VERBOSE() ((greatest_info.verbosity) > 0)
#define GREATEST_LIST_ONLY() \
(greatest_info.flags & GREATEST_FLAG_LIST_ONLY)
#define GREATEST_FIRST_FAIL() \
(greatest_info.flags & GREATEST_FLAG_FIRST_FAIL)
#define GREATEST_ABORT_ON_FAIL() \
(greatest_info.flags & GREATEST_FLAG_ABORT_ON_FAIL)
#define GREATEST_FAILURE_ABORT() \
(GREATEST_FIRST_FAIL() && \
(greatest_info.suite.failed > 0 || greatest_info.failed > 0))
/* Message-less forms of tests defined below. */
#define GREATEST_PASS() GREATEST_PASSm(NULL)
#define GREATEST_FAIL() GREATEST_FAILm(NULL)
#define GREATEST_SKIP() GREATEST_SKIPm(NULL)
#define GREATEST_ASSERT(COND) \
GREATEST_ASSERTm(#COND, COND)
#define GREATEST_ASSERT_OR_LONGJMP(COND) \
GREATEST_ASSERT_OR_LONGJMPm(#COND, COND)
#define GREATEST_ASSERT_FALSE(COND) \
GREATEST_ASSERT_FALSEm(#COND, COND)
#define GREATEST_ASSERT_EQ(EXP, GOT) \
GREATEST_ASSERT_EQm(#EXP " != " #GOT, EXP, GOT)
#define GREATEST_ASSERT_EQ_FMT(EXP, GOT, FMT) \
GREATEST_ASSERT_EQ_FMTm(#EXP " != " #GOT, EXP, GOT, FMT)
#define GREATEST_ASSERT_IN_RANGE(EXP, GOT, TOL) \
GREATEST_ASSERT_IN_RANGEm(#EXP " != " #GOT " +/- " #TOL, EXP, GOT, TOL)
#define GREATEST_ASSERT_EQUAL_T(EXP, GOT, TYPE_INFO, UDATA) \
GREATEST_ASSERT_EQUAL_Tm(#EXP " != " #GOT, EXP, GOT, TYPE_INFO, UDATA)
#define GREATEST_ASSERT_STR_EQ(EXP, GOT) \
GREATEST_ASSERT_STR_EQm(#EXP " != " #GOT, EXP, GOT)
#define GREATEST_ASSERT_STRN_EQ(EXP, GOT, SIZE) \
GREATEST_ASSERT_STRN_EQm(#EXP " != " #GOT, EXP, GOT, SIZE)
#define GREATEST_ASSERT_MEM_EQ(EXP, GOT, SIZE) \
GREATEST_ASSERT_MEM_EQm(#EXP " != " #GOT, EXP, GOT, SIZE)
#define GREATEST_ASSERT_ENUM_EQ(EXP, GOT, ENUM_STR) \
GREATEST_ASSERT_ENUM_EQm(#EXP " != " #GOT, EXP, GOT, ENUM_STR)
/* The following forms take an additional message argument first,
* to be displayed by the test runner. */
/* Fail if a condition is not true, with message. */
#define GREATEST_ASSERTm(MSG, COND) \
do { \
greatest_info.assertions++; \
if (!(COND)) { GREATEST_FAILm(MSG); } \
} while (0)
/* Fail if a condition is not true, longjmping out of test. */
#define GREATEST_ASSERT_OR_LONGJMPm(MSG, COND) \
do { \
greatest_info.assertions++; \
if (!(COND)) { GREATEST_FAIL_WITH_LONGJMPm(MSG); } \
} while (0)
/* Fail if a condition is not false, with message. */
#define GREATEST_ASSERT_FALSEm(MSG, COND) \
do { \
greatest_info.assertions++; \
if ((COND)) { GREATEST_FAILm(MSG); } \
} while (0)
/* Fail if EXP != GOT (equality comparison by ==). */
#define GREATEST_ASSERT_EQm(MSG, EXP, GOT) \
do { \
greatest_info.assertions++; \
if ((EXP) != (GOT)) { GREATEST_FAILm(MSG); } \
} while (0)
/* Fail if EXP != GOT (equality comparison by ==).
* Warning: FMT, EXP, and GOT will be evaluated more
* than once on failure. */
#define GREATEST_ASSERT_EQ_FMTm(MSG, EXP, GOT, FMT) \
do { \
greatest_info.assertions++; \
if ((EXP) != (GOT)) { \
GREATEST_FPRINTF(GREATEST_STDOUT, "\nExpected: "); \
GREATEST_FPRINTF(GREATEST_STDOUT, FMT, EXP); \
GREATEST_FPRINTF(GREATEST_STDOUT, "\n Got: "); \
GREATEST_FPRINTF(GREATEST_STDOUT, FMT, GOT); \
GREATEST_FPRINTF(GREATEST_STDOUT, "\n"); \
GREATEST_FAILm(MSG); \
} \
} while (0)
/* Fail if EXP is not equal to GOT, printing enum IDs. */
#define GREATEST_ASSERT_ENUM_EQm(MSG, EXP, GOT, ENUM_STR) \
do { \
int greatest_EXP = (int)(EXP); \
int greatest_GOT = (int)(GOT); \
greatest_enum_str_fun *greatest_ENUM_STR = ENUM_STR; \
if (greatest_EXP != greatest_GOT) { \
GREATEST_FPRINTF(GREATEST_STDOUT, "\nExpected: %s", \
greatest_ENUM_STR(greatest_EXP)); \
GREATEST_FPRINTF(GREATEST_STDOUT, "\n Got: %s\n", \
greatest_ENUM_STR(greatest_GOT)); \
GREATEST_FAILm(MSG); \
} \
} while (0) \
/* Fail if GOT not in range of EXP +|- TOL. */
#define GREATEST_ASSERT_IN_RANGEm(MSG, EXP, GOT, TOL) \
do { \
GREATEST_FLOAT greatest_EXP = (EXP); \
GREATEST_FLOAT greatest_GOT = (GOT); \
GREATEST_FLOAT greatest_TOL = (TOL); \
greatest_info.assertions++; \
if ((greatest_EXP > greatest_GOT && \
greatest_EXP - greatest_GOT > greatest_TOL) || \
(greatest_EXP < greatest_GOT && \
greatest_GOT - greatest_EXP > greatest_TOL)) { \
GREATEST_FPRINTF(GREATEST_STDOUT, \
"\nExpected: " GREATEST_FLOAT_FMT \
" +/- " GREATEST_FLOAT_FMT \
"\n Got: " GREATEST_FLOAT_FMT \
"\n", \
greatest_EXP, greatest_TOL, greatest_GOT); \
GREATEST_FAILm(MSG); \
} \
} while (0)
/* Fail if EXP is not equal to GOT, according to strcmp. */
#define GREATEST_ASSERT_STR_EQm(MSG, EXP, GOT) \
do { \
GREATEST_ASSERT_EQUAL_Tm(MSG, EXP, GOT, \
&greatest_type_info_string, NULL); \
} while (0) \
/* Fail if EXP is not equal to GOT, according to strncmp. */
#define GREATEST_ASSERT_STRN_EQm(MSG, EXP, GOT, SIZE) \
do { \
size_t size = SIZE; \
GREATEST_ASSERT_EQUAL_Tm(MSG, EXP, GOT, \
&greatest_type_info_string, &size); \
} while (0) \
/* Fail if EXP is not equal to GOT, according to memcmp. */
#define GREATEST_ASSERT_MEM_EQm(MSG, EXP, GOT, SIZE) \
do { \
greatest_memory_cmp_env env; \
env.exp = (const unsigned char *)EXP; \
env.got = (const unsigned char *)GOT; \
env.size = SIZE; \
GREATEST_ASSERT_EQUAL_Tm(MSG, env.exp, env.got, \
&greatest_type_info_memory, &env); \
} while (0) \
/* Fail if EXP is not equal to GOT, according to a comparison
* callback in TYPE_INFO. If they are not equal, optionally use a
* print callback in TYPE_INFO to print them. */
#define GREATEST_ASSERT_EQUAL_Tm(MSG, EXP, GOT, TYPE_INFO, UDATA) \
do { \
greatest_type_info *type_info = (TYPE_INFO); \
greatest_info.assertions++; \
if (!greatest_do_assert_equal_t(EXP, GOT, \
type_info, UDATA)) { \
if (type_info == NULL || type_info->equal == NULL) { \
GREATEST_FAILm("type_info->equal callback missing!"); \
} else { \
GREATEST_FAILm(MSG); \
} \
} \
} while (0) \
/* Pass. */
#define GREATEST_PASSm(MSG) \
do { \
greatest_info.msg = MSG; \
return GREATEST_TEST_RES_PASS; \
} while (0)
/* Fail. */
#define GREATEST_FAILm(MSG) \
do { \
greatest_info.fail_file = __FILE__; \
greatest_info.fail_line = __LINE__; \
greatest_info.msg = MSG; \
if (GREATEST_ABORT_ON_FAIL()) { abort(); } \
return GREATEST_TEST_RES_FAIL; \
} while (0)
/* Optional GREATEST_FAILm variant that longjmps. */
#if GREATEST_USE_LONGJMP
#define GREATEST_FAIL_WITH_LONGJMP() GREATEST_FAIL_WITH_LONGJMPm(NULL)
#define GREATEST_FAIL_WITH_LONGJMPm(MSG) \
do { \
greatest_info.fail_file = __FILE__; \
greatest_info.fail_line = __LINE__; \
greatest_info.msg = MSG; \
longjmp(greatest_info.jump_dest, GREATEST_TEST_RES_FAIL); \
} while (0)
#endif
/* Skip the current test. */
#define GREATEST_SKIPm(MSG) \
do { \
greatest_info.msg = MSG; \
return GREATEST_TEST_RES_SKIP; \
} while (0)
/* Check the result of a subfunction using ASSERT, etc. */
#define GREATEST_CHECK_CALL(RES) \
do { \
enum greatest_test_res greatest_RES = RES; \
if (greatest_RES != GREATEST_TEST_RES_PASS) { \
return greatest_RES; \
} \
} while (0) \
#if GREATEST_USE_TIME
#define GREATEST_SET_TIME(NAME) \
NAME = clock(); \
if (NAME == (clock_t) -1) { \
GREATEST_FPRINTF(GREATEST_STDOUT, \
"clock error: %s\n", #NAME); \
exit(EXIT_FAILURE); \
}
#define GREATEST_CLOCK_DIFF(C1, C2) \
GREATEST_FPRINTF(GREATEST_STDOUT, " (%lu ticks, %.3f sec)", \
(long unsigned int) (C2) - (long unsigned int)(C1), \
(double)((C2) - (C1)) / (1.0 * (double)CLOCKS_PER_SEC))
#else
#define GREATEST_SET_TIME(UNUSED)
#define GREATEST_CLOCK_DIFF(UNUSED1, UNUSED2)
#endif
#if GREATEST_USE_LONGJMP
#define GREATEST_SAVE_CONTEXT() \
/* setjmp returns 0 (GREATEST_TEST_RES_PASS) on first call * \
* so the test runs, then RES_FAIL from FAIL_WITH_LONGJMP. */ \
((enum greatest_test_res)(setjmp(greatest_info.jump_dest)))
#else
#define GREATEST_SAVE_CONTEXT() \
/*a no-op, since setjmp/longjmp aren't being used */ \
GREATEST_TEST_RES_PASS
#endif
/* Run every suite / test function run within BODY in pseudo-random
* order, seeded by SEED. (The top 3 bits of the seed are ignored.)
*
* This should be called like:
* GREATEST_SHUFFLE_TESTS(seed, {
* GREATEST_RUN_TEST(some_test);
* GREATEST_RUN_TEST(some_other_test);
* GREATEST_RUN_TEST(yet_another_test);
* });
*
* Note that the body of the second argument will be evaluated
* multiple times. */
#define GREATEST_SHUFFLE_SUITES(SD, BODY) GREATEST_SHUFFLE(0, SD, BODY)
#define GREATEST_SHUFFLE_TESTS(SD, BODY) GREATEST_SHUFFLE(1, SD, BODY)
#define GREATEST_SHUFFLE(ID, SD, BODY) \
do { \
struct greatest_prng *prng = &greatest_info.prng[ID]; \
greatest_prng_init_first_pass(ID); \
do { \
prng->count = 0; \
if (prng->initialized) { greatest_prng_step(ID); } \
BODY; \
if (!prng->initialized) { \
if (!greatest_prng_init_second_pass(ID, SD)) { break; } \
} else if (prng->count_run == prng->count_ceil) { \
break; \
} \
} while (!GREATEST_FAILURE_ABORT()); \
prng->count_run = prng->random_order = prng->initialized = 0; \
} while(0)
/* Include several function definitions in the main test file. */
#define GREATEST_MAIN_DEFS() \
\
/* Is FILTER a subset of NAME? */ \
static int greatest_name_match(const char *name, const char *filter, \
int res_if_none) { \
size_t offset = 0; \
size_t filter_len = filter ? strlen(filter) : 0; \
if (filter_len == 0) { return res_if_none; } /* no filter */ \
while (name[offset] != '\0') { \
if (name[offset] == filter[0]) { \
if (0 == strncmp(&name[offset], filter, filter_len)) { \
return 1; \
} \
} \
offset++; \
} \
\
return 0; \
} \
\
static void greatest_buffer_test_name(const char *name) { \
struct greatest_run_info *g = &greatest_info; \
size_t len = strlen(name), size = sizeof(g->name_buf); \
memset(g->name_buf, 0x00, size); \
(void)strncat(g->name_buf, name, size - 1); \
if (g->name_suffix && (len + 1 < size)) { \
g->name_buf[len] = '_'; \
strncat(&g->name_buf[len+1], g->name_suffix, size-(len+2)); \
} \
} \
\
/* Before running a test, check the name filtering and \
* test shuffling state, if applicable, and then call setup hooks. */ \
int greatest_test_pre(const char *name) { \
struct greatest_run_info *g = &greatest_info; \
int match; \
greatest_buffer_test_name(name); \
match = greatest_name_match(g->name_buf, g->test_filter, 1) && \
!greatest_name_match(g->name_buf, g->test_exclude, 0); \
if (GREATEST_LIST_ONLY()) { /* just listing test names */ \
if (match) { \
GREATEST_FPRINTF(GREATEST_STDOUT, " %s\n", g->name_buf); \
} \
goto clear; \
} \
if (match && (!GREATEST_FIRST_FAIL() || g->suite.failed == 0)) { \
struct greatest_prng *p = &g->prng[1]; \
if (p->random_order) { \
p->count++; \
if (!p->initialized || ((p->count - 1) != p->state)) { \
goto clear; /* don't run this test yet */ \
} \
} \
GREATEST_SET_TIME(g->suite.pre_test); \
if (g->setup) { g->setup(g->setup_udata); } \
p->count_run++; \
return 1; /* test should be run */ \
} else { \
goto clear; /* skipped */ \
} \
clear: \
g->name_suffix = NULL; \
return 0; \
} \
\
static void greatest_do_pass(void) { \
struct greatest_run_info *g = &greatest_info; \
if (GREATEST_IS_VERBOSE()) { \
GREATEST_FPRINTF(GREATEST_STDOUT, "PASS %s: %s", \
g->name_buf, g->msg ? g->msg : ""); \
} else { \
GREATEST_FPRINTF(GREATEST_STDOUT, "."); \
} \
g->suite.passed++; \
} \
\
static void greatest_do_fail(void) { \
struct greatest_run_info *g = &greatest_info; \
if (GREATEST_IS_VERBOSE()) { \
GREATEST_FPRINTF(GREATEST_STDOUT, \
"FAIL %s: %s (%s:%u)", g->name_buf, \
g->msg ? g->msg : "", g->fail_file, g->fail_line); \
} else { \
GREATEST_FPRINTF(GREATEST_STDOUT, "F"); \
g->col++; /* add linebreak if in line of '.'s */ \
if (g->col != 0) { \
GREATEST_FPRINTF(GREATEST_STDOUT, "\n"); \
g->col = 0; \
} \
GREATEST_FPRINTF(GREATEST_STDOUT, "FAIL %s: %s (%s:%u)\n", \
g->name_buf, g->msg ? g->msg : "", \
g->fail_file, g->fail_line); \
} \
g->suite.failed++; \
} \
\
static void greatest_do_skip(void) { \
struct greatest_run_info *g = &greatest_info; \
if (GREATEST_IS_VERBOSE()) { \
GREATEST_FPRINTF(GREATEST_STDOUT, "SKIP %s: %s", \
g->name_buf, g->msg ? g->msg : ""); \
} else { \
GREATEST_FPRINTF(GREATEST_STDOUT, "s"); \
} \
g->suite.skipped++; \
} \
\
void greatest_test_post(int res) { \
GREATEST_SET_TIME(greatest_info.suite.post_test); \
if (greatest_info.teardown) { \
void *udata = greatest_info.teardown_udata; \
greatest_info.teardown(udata); \
} \
\
if (res <= GREATEST_TEST_RES_FAIL) { \
greatest_do_fail(); \
} else if (res >= GREATEST_TEST_RES_SKIP) { \
greatest_do_skip(); \
} else if (res == GREATEST_TEST_RES_PASS) { \
greatest_do_pass(); \
} \
greatest_info.name_suffix = NULL; \
greatest_info.suite.tests_run++; \
greatest_info.col++; \
if (GREATEST_IS_VERBOSE()) { \
GREATEST_CLOCK_DIFF(greatest_info.suite.pre_test, \
greatest_info.suite.post_test); \
GREATEST_FPRINTF(GREATEST_STDOUT, "\n"); \
} else if (greatest_info.col % greatest_info.width == 0) { \
GREATEST_FPRINTF(GREATEST_STDOUT, "\n"); \
greatest_info.col = 0; \
} \
fflush(GREATEST_STDOUT); \
} \
\
static void report_suite(void) { \
if (greatest_info.suite.tests_run > 0) { \
GREATEST_FPRINTF(GREATEST_STDOUT, \
"\n%u test%s - %u passed, %u failed, %u skipped", \
greatest_info.suite.tests_run, \
greatest_info.suite.tests_run == 1 ? "" : "s", \
greatest_info.suite.passed, \
greatest_info.suite.failed, \
greatest_info.suite.skipped); \
GREATEST_CLOCK_DIFF(greatest_info.suite.pre_suite, \
greatest_info.suite.post_suite); \
GREATEST_FPRINTF(GREATEST_STDOUT, "\n"); \
} \
} \
\
static void update_counts_and_reset_suite(void) { \
greatest_info.setup = NULL; \
greatest_info.setup_udata = NULL; \
greatest_info.teardown = NULL; \
greatest_info.teardown_udata = NULL; \
greatest_info.passed += greatest_info.suite.passed; \
greatest_info.failed += greatest_info.suite.failed; \
greatest_info.skipped += greatest_info.suite.skipped; \
greatest_info.tests_run += greatest_info.suite.tests_run; \
memset(&greatest_info.suite, 0, sizeof(greatest_info.suite)); \
greatest_info.col = 0; \
} \
\
static int greatest_suite_pre(const char *suite_name) { \
struct greatest_prng *p = &greatest_info.prng[0]; \
if (!greatest_name_match(suite_name, greatest_info.suite_filter, 1) \
|| (GREATEST_FAILURE_ABORT())) { return 0; } \
if (p->random_order) { \
p->count++; \
if (!p->initialized || ((p->count - 1) != p->state)) { \
return 0; /* don't run this suite yet */ \
} \
} \
p->count_run++; \
update_counts_and_reset_suite(); \
GREATEST_FPRINTF(GREATEST_STDOUT, "\n* Suite %s:\n", suite_name); \
GREATEST_SET_TIME(greatest_info.suite.pre_suite); \
return 1; \
} \
\
static void greatest_suite_post(void) { \
GREATEST_SET_TIME(greatest_info.suite.post_suite); \
report_suite(); \
} \
\
static void greatest_run_suite(greatest_suite_cb *suite_cb, \
const char *suite_name) { \
if (greatest_suite_pre(suite_name)) { \
suite_cb(); \
greatest_suite_post(); \
} \
} \
\
int greatest_do_assert_equal_t(const void *expd, const void *got, \
greatest_type_info *type_info, void *udata) { \
int eq = 0; \
if (type_info == NULL || type_info->equal == NULL) { \
return 0; \
} \
eq = type_info->equal(expd, got, udata); \
if (!eq) { \
if (type_info->print != NULL) { \
GREATEST_FPRINTF(GREATEST_STDOUT, "\nExpected: "); \
(void)type_info->print(expd, udata); \
GREATEST_FPRINTF(GREATEST_STDOUT, "\n Got: "); \
(void)type_info->print(got, udata); \
GREATEST_FPRINTF(GREATEST_STDOUT, "\n"); \
} \
} \
return eq; \
} \
\
static void greatest_usage(const char *name) { \
GREATEST_FPRINTF(GREATEST_STDOUT, \
"Usage: %s [-hlfav] [-s SUITE] [-t TEST] [-x EXCLUDE]\n" \
" -h, --help print this Help\n" \
" -l List suites and tests, then exit (dry run)\n" \
" -f Stop runner after first failure\n" \
" -a Abort on first failure (implies -f)\n" \
" -v Verbose output\n" \
" -s SUITE only run suites containing substring SUITE\n" \
" -t TEST only run tests containing substring TEST\n" \
" -x EXCLUDE exclude tests containing substring EXCLUDE\n", \
name); \
} \
\
static void greatest_parse_options(int argc, char **argv) { \
int i = 0; \
for (i = 1; i < argc; i++) { \
if (argv[i][0] == '-') { \
char f = argv[i][1]; \
if ((f == 's' || f == 't' || f == 'x') && argc <= i + 1) { \
greatest_usage(argv[0]); exit(EXIT_FAILURE); \
} \
switch (f) { \
case 's': /* suite name filter */ \
greatest_set_suite_filter(argv[i + 1]); i++; break; \
case 't': /* test name filter */ \
greatest_set_test_filter(argv[i + 1]); i++; break; \
case 'x': /* test name exclusion */ \
greatest_set_test_exclude(argv[i + 1]); i++; break; \
case 'f': /* first fail flag */ \
greatest_stop_at_first_fail(); break; \
case 'a': /* abort() on fail flag */ \
greatest_abort_on_fail(); break; \
case 'l': /* list only (dry run) */ \
greatest_list_only(); break; \
case 'v': /* first fail flag */ \
greatest_info.verbosity++; break; \
case 'h': /* help */ \
greatest_usage(argv[0]); exit(EXIT_SUCCESS); \
case '-': \
if (0 == strncmp("--help", argv[i], 6)) { \
greatest_usage(argv[0]); exit(EXIT_SUCCESS); \
} else if (0 == strncmp("--", argv[i], 2)) { \
return; /* ignore following arguments */ \
} /* fall through */ \
default: \
GREATEST_FPRINTF(GREATEST_STDOUT, \
"Unknown argument '%s'\n", argv[i]); \
greatest_usage(argv[0]); \
exit(EXIT_FAILURE); \
} \
} \
} \
} \
\
int greatest_all_passed(void) { return (greatest_info.failed == 0); } \
\
void greatest_set_test_filter(const char *filter) { \
greatest_info.test_filter = filter; \
} \
\
void greatest_set_test_exclude(const char *filter) { \
greatest_info.test_exclude = filter; \
} \
\
void greatest_set_suite_filter(const char *filter) { \
greatest_info.suite_filter = filter; \
} \
\
void greatest_stop_at_first_fail(void) { \
greatest_set_flag(GREATEST_FLAG_FIRST_FAIL); \
} \
\
void greatest_abort_on_fail(void) { \
greatest_set_flag(GREATEST_FLAG_ABORT_ON_FAIL); \
} \
\
void greatest_list_only(void) { \
greatest_set_flag(GREATEST_FLAG_LIST_ONLY); \
} \
\
void greatest_get_report(struct greatest_report_t *report) { \
if (report) { \
report->passed = greatest_info.passed; \
report->failed = greatest_info.failed; \
report->skipped = greatest_info.skipped; \
report->assertions = greatest_info.assertions; \
} \
} \
\
unsigned int greatest_get_verbosity(void) { \
return greatest_info.verbosity; \
} \
\
void greatest_set_verbosity(unsigned int verbosity) { \
greatest_info.verbosity = (unsigned char)verbosity; \
} \
\
void greatest_set_flag(greatest_flag_t flag) { \
greatest_info.flags = (unsigned char)(greatest_info.flags | flag); \
} \
\
void greatest_set_test_suffix(const char *suffix) { \
greatest_info.name_suffix = suffix; \
} \