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1 /* Miniature re-implementation of the "check" library.
2 
3    This is intended to support just enough of check to run the Expat
4    tests.  This interface is based entirely on the portion of the
5    check library being used.
6                             __  __            _
7                          ___\ \/ /_ __   __ _| |_
8                         / _ \\  /| '_ \ / _` | __|
9                        |  __//  \| |_) | (_| | |_
10                         \___/_/\_\ .__/ \__,_|\__|
11                                  |_| XML parser
12 
13    Copyright (c) 1997-2000 Thai Open Source Software Center Ltd
14    Copyright (c) 2000-2017 Expat development team
15    Licensed under the MIT license:
16 
17    Permission is  hereby granted,  free of charge,  to any  person obtaining
18    a  copy  of  this  software   and  associated  documentation  files  (the
19    "Software"),  to  deal in  the  Software  without restriction,  including
20    without  limitation the  rights  to use,  copy,  modify, merge,  publish,
21    distribute, sublicense, and/or sell copies of the Software, and to permit
22    persons  to whom  the Software  is  furnished to  do so,  subject to  the
23    following conditions:
24 
25    The above copyright  notice and this permission notice  shall be included
26    in all copies or substantial portions of the Software.
27 
28    THE  SOFTWARE  IS  PROVIDED  "AS  IS",  WITHOUT  WARRANTY  OF  ANY  KIND,
29    EXPRESS  OR IMPLIED,  INCLUDING  BUT  NOT LIMITED  TO  THE WARRANTIES  OF
30    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
31    NO EVENT SHALL THE AUTHORS OR  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
32    DAMAGES OR  OTHER LIABILITY, WHETHER  IN AN  ACTION OF CONTRACT,  TORT OR
33    OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
34    USE OR OTHER DEALINGS IN THE SOFTWARE.
35 */
36 
37 #include <stdio.h>
38 #include <stdlib.h>
39 #include <setjmp.h>
40 #include <assert.h>
41 #include <string.h>
42 
43 #include "internal.h"  /* for UNUSED_P only */
44 #include "minicheck.h"
45 
46 Suite *
suite_create(const char * name)47 suite_create(const char *name)
48 {
49     Suite *suite = (Suite *) calloc(1, sizeof(Suite));
50     if (suite != NULL) {
51         suite->name = name;
52     }
53     return suite;
54 }
55 
56 TCase *
tcase_create(const char * name)57 tcase_create(const char *name)
58 {
59     TCase *tc = (TCase *) calloc(1, sizeof(TCase));
60     if (tc != NULL) {
61         tc->name = name;
62     }
63     return tc;
64 }
65 
66 void
suite_add_tcase(Suite * suite,TCase * tc)67 suite_add_tcase(Suite *suite, TCase *tc)
68 {
69     assert(suite != NULL);
70     assert(tc != NULL);
71     assert(tc->next_tcase == NULL);
72 
73     tc->next_tcase = suite->tests;
74     suite->tests = tc;
75 }
76 
77 void
tcase_add_checked_fixture(TCase * tc,tcase_setup_function setup,tcase_teardown_function teardown)78 tcase_add_checked_fixture(TCase *tc,
79                           tcase_setup_function setup,
80                           tcase_teardown_function teardown)
81 {
82     assert(tc != NULL);
83     tc->setup = setup;
84     tc->teardown = teardown;
85 }
86 
87 void
tcase_add_test(TCase * tc,tcase_test_function test)88 tcase_add_test(TCase *tc, tcase_test_function test)
89 {
90     assert(tc != NULL);
91     if (tc->allocated == tc->ntests) {
92         int nalloc = tc->allocated + 100;
93         size_t new_size = sizeof(tcase_test_function) * nalloc;
94         tcase_test_function *new_tests = realloc(tc->tests, new_size);
95         assert(new_tests != NULL);
96         tc->tests = new_tests;
97         tc->allocated = nalloc;
98     }
99     tc->tests[tc->ntests] = test;
100     tc->ntests++;
101 }
102 
103 static void
tcase_free(TCase * tc)104 tcase_free(TCase *tc)
105 {
106     if (! tc) {
107         return;
108     }
109 
110     free(tc->tests);
111     free(tc);
112 }
113 
114 static void
suite_free(Suite * suite)115 suite_free(Suite *suite)
116 {
117     if (! suite) {
118         return;
119     }
120 
121     while (suite->tests != NULL) {
122         TCase *next = suite->tests->next_tcase;
123         tcase_free(suite->tests);
124         suite->tests = next;
125     }
126     free(suite);
127 }
128 
129 SRunner *
srunner_create(Suite * suite)130 srunner_create(Suite *suite)
131 {
132     SRunner *runner = calloc(1, sizeof(SRunner));
133     if (runner != NULL) {
134         runner->suite = suite;
135     }
136     return runner;
137 }
138 
139 static jmp_buf env;
140 
141 static char const *_check_current_function = NULL;
142 static int _check_current_lineno = -1;
143 static char const *_check_current_filename = NULL;
144 
145 void
_check_set_test_info(char const * function,char const * filename,int lineno)146 _check_set_test_info(char const *function, char const *filename, int lineno)
147 {
148     _check_current_function = function;
149     _check_current_lineno = lineno;
150     _check_current_filename = filename;
151 }
152 
153 
154 static void
add_failure(SRunner * runner,int verbosity)155 add_failure(SRunner *runner, int verbosity)
156 {
157     runner->nfailures++;
158     if (verbosity >= CK_VERBOSE) {
159         printf("%s:%d: %s\n", _check_current_filename,
160                _check_current_lineno, _check_current_function);
161     }
162 }
163 
164 void
srunner_run_all(SRunner * runner,int verbosity)165 srunner_run_all(SRunner *runner, int verbosity)
166 {
167     Suite *suite;
168     TCase *tc;
169     assert(runner != NULL);
170     suite = runner->suite;
171     tc = suite->tests;
172     while (tc != NULL) {
173         int i;
174         for (i = 0; i < tc->ntests; ++i) {
175             runner->nchecks++;
176 
177             if (tc->setup != NULL) {
178                 /* setup */
179                 if (setjmp(env)) {
180                     add_failure(runner, verbosity);
181                     continue;
182                 }
183                 tc->setup();
184             }
185             /* test */
186             if (setjmp(env)) {
187                 add_failure(runner, verbosity);
188                 continue;
189             }
190             (tc->tests[i])();
191 
192             /* teardown */
193             if (tc->teardown != NULL) {
194                 if (setjmp(env)) {
195                     add_failure(runner, verbosity);
196                     continue;
197                 }
198                 tc->teardown();
199             }
200         }
201         tc = tc->next_tcase;
202     }
203     if (verbosity) {
204         int passed = runner->nchecks - runner->nfailures;
205         double percentage = ((double) passed) / runner->nchecks;
206         int display = (int) (percentage * 100);
207         printf("%d%%: Checks: %d, Failed: %d\n",
208                display, runner->nchecks, runner->nfailures);
209     }
210 }
211 
212 void
_fail_unless(int UNUSED_P (condition),const char * UNUSED_P (file),int UNUSED_P (line),const char * msg)213 _fail_unless(int UNUSED_P(condition), const char *UNUSED_P(file), int UNUSED_P(line), const char *msg)
214 {
215     /* Always print the error message so it isn't lost.  In this case,
216        we have a failure, so there's no reason to be quiet about what
217        it is.
218     */
219     if (msg != NULL) {
220         const int has_newline = (msg[strlen(msg) - 1] == '\n');
221         fprintf(stderr, "ERROR: %s%s", msg, has_newline ? "" : "\n");
222     }
223     longjmp(env, 1);
224 }
225 
226 int
srunner_ntests_failed(SRunner * runner)227 srunner_ntests_failed(SRunner *runner)
228 {
229     assert(runner != NULL);
230     return runner->nfailures;
231 }
232 
233 void
srunner_free(SRunner * runner)234 srunner_free(SRunner *runner)
235 {
236     if (! runner) {
237         return;
238     }
239 
240     suite_free(runner->suite);
241     free(runner);
242 }
243