source: tester.c @ fc5eef4

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Last change on this file since fc5eef4 was 9190285, checked in by David Benjamin <davidben@mit.edu>, 14 years ago
Ref-count the editwin
  • Property mode set to 100644
File size: 20.2 KB
Line 
1#define OWL_PERL
2#define WINDOW FAKE_WINDOW
3#include "owl.h"
4#undef WINDOW
5
6#include <unistd.h>
7#include <stdlib.h>
8
9#undef instr
10#include <curses.h>
11
12owl_global g;
13
14int numtests;
15
16int owl_regtest(void);
17int owl_util_regtest(void);
18int owl_dict_regtest(void);
19int owl_variable_regtest(void);
20int owl_filter_regtest(void);
21int owl_obarray_regtest(void);
22int owl_editwin_regtest(void);
23int owl_fmtext_regtest(void);
24
25extern void owl_perl_xs_init(pTHX);
26
27int main(int argc, char **argv, char **env)
28{
29  FILE *rnull;
30  FILE *wnull;
31  char *perlerr;
32  int status = 0;
33
34  if (argc <= 1) {
35    fprintf(stderr, "Usage: %s --builtin|TEST.t|-le CODE\n", argv[0]);
36    return 1;
37  }
38
39  /* initialize a fake ncurses, detached from std{in,out} */
40  wnull = fopen("/dev/null", "w");
41  rnull = fopen("/dev/null", "r");
42  newterm("xterm", wnull, rnull);
43  /* initialize global structures */
44  owl_global_init(&g);
45
46  perlerr = owl_perlconfig_initperl(NULL, &argc, &argv, &env);
47  if (perlerr) {
48    endwin();
49    fprintf(stderr, "Internal perl error: %s\n", perlerr);
50    status = 1;
51    goto out;
52  }
53
54  owl_global_complete_setup(&g);
55  owl_global_setup_default_filters(&g);
56
57  owl_view_create(owl_global_get_current_view(&g), "main",
58                  owl_global_get_filter(&g, "all"),
59                  owl_global_get_style_by_name(&g, "default"));
60
61  owl_function_firstmsg();
62
63  ENTER;
64  SAVETMPS;
65
66  if (strcmp(argv[1], "--builtin") == 0) {
67    status = owl_regtest();
68  } else if (strcmp(argv[1], "-le") == 0 && argc > 2) {
69    /*
70     * 'prove' runs its harness perl with '-le CODE' to get some
71     * information out.
72     */
73    moreswitches("l");
74    eval_pv(argv[2], true);
75  } else {
76    sv_setpv(get_sv("0", false), argv[1]);
77    sv_setpv(get_sv("main::test_prog", TRUE), argv[1]);
78
79    eval_pv("do $main::test_prog; die($@) if($@)", true);
80  }
81
82  status = 0;
83
84  FREETMPS;
85  LEAVE;
86
87 out:
88  perl_destruct(owl_global_get_perlinterp(&g));
89  perl_free(owl_global_get_perlinterp(&g));
90  /* probably not necessary, but tear down the screen */
91  endwin();
92  fclose(rnull);
93  fclose(wnull);
94  return status;
95}
96
97int owl_regtest(void) {
98  numtests = 0;
99  int numfailures=0;
100  /*
101    printf("1..%d\n", OWL_UTIL_NTESTS+OWL_DICT_NTESTS+OWL_VARIABLE_NTESTS
102    +OWL_FILTER_NTESTS+OWL_OBARRAY_NTESTS);
103  */
104  numfailures += owl_util_regtest();
105  numfailures += owl_dict_regtest();
106  numfailures += owl_variable_regtest();
107  numfailures += owl_filter_regtest();
108  numfailures += owl_editwin_regtest();
109  numfailures += owl_fmtext_regtest();
110  if (numfailures) {
111      fprintf(stderr, "# *** WARNING: %d failures total\n", numfailures);
112  }
113  printf("1..%d\n", numtests);
114
115  return(numfailures);
116}
117
118#define FAIL_UNLESS(desc,pred) do { int __pred = (pred);                \
119    numtests++;                                                         \
120    printf("%s %s", (__pred)?"ok":(numfailed++,"not ok"), desc);        \
121    if(!(__pred)) printf("\t(%s:%d)", __FILE__, __LINE__); printf("%c", '\n'); } while(0)
122
123
124int owl_util_regtest(void)
125{
126  int numfailed=0;
127
128  printf("# BEGIN testing owl_util\n");
129
130  FAIL_UNLESS("owl_util_substitute 1",
131              !strcmp("foo", owl_text_substitute("foo", "", "Y")));
132  FAIL_UNLESS("owl_text_substitute 2",
133              !strcmp("fYZYZ", owl_text_substitute("foo", "o", "YZ")));
134  FAIL_UNLESS("owl_text_substitute 3",
135              !strcmp("foo", owl_text_substitute("fYZYZ", "YZ", "o")));
136  FAIL_UNLESS("owl_text_substitute 4",
137              !strcmp("/u/foo/meep", owl_text_substitute("~/meep", "~", "/u/foo")));
138
139  FAIL_UNLESS("skiptokens 1", 
140              !strcmp("bar quux", skiptokens("foo bar quux", 1)));
141  FAIL_UNLESS("skiptokens 2", 
142              !strcmp("meep", skiptokens("foo 'bar quux' meep", 2)));
143
144  FAIL_UNLESS("expand_tabs 1",
145              !strcmp("        hi", owl_text_expand_tabs("\thi")));
146
147  FAIL_UNLESS("expand_tabs 2",
148              !strcmp("        hi\nword    tab", owl_text_expand_tabs("\thi\nword\ttab")));
149
150  FAIL_UNLESS("expand_tabs 3",
151              !strcmp("                2 tabs", owl_text_expand_tabs("\t\t2 tabs")));
152  FAIL_UNLESS("expand_tabs 4",
153              !strcmp("α       ααααααα!        ", owl_text_expand_tabs("α\tααααααα!\t")));
154  FAIL_UNLESS("expand_tabs 5",
155              !strcmp("Ａ      ＡＡＡ!!        ", owl_text_expand_tabs("Ａ\tＡＡＡ!!\t")));
156
157  FAIL_UNLESS("skiptokens 1",
158              !strcmp("world", skiptokens("hello world", 1)));
159
160  FAIL_UNLESS("skiptokens 2",
161              !strcmp("c d e", skiptokens("a   b c d e", 2)));
162
163  FAIL_UNLESS("skiptokens 3",
164              !strcmp("\"b\" c d e", skiptokens("a \"b\" c d e", 1)));
165
166  FAIL_UNLESS("skiptokens 4",
167              !strcmp("c d e", skiptokens("a \"b\" c d e", 2)));
168
169  FAIL_UNLESS("skiptokens 5",
170              !strcmp("c d e", skiptokens("a \"'\" c d e", 2)));
171
172  /* if (numfailed) printf("*** WARNING: failures encountered with owl_util\n"); */
173  printf("# END testing owl_util (%d failures)\n", numfailed);
174  return(numfailed);
175}
176
177int owl_dict_regtest(void) {
178  owl_dict d;
179  owl_list l;
180  int numfailed=0;
181  char *av="aval", *bv="bval", *cv="cval", *dv="dval";
182
183  printf("# BEGIN testing owl_dict\n");
184  FAIL_UNLESS("create", 0==owl_dict_create(&d));
185  FAIL_UNLESS("insert b", 0==owl_dict_insert_element(&d, "b", bv, owl_dict_noop_delete));
186  FAIL_UNLESS("insert d", 0==owl_dict_insert_element(&d, "d", dv, owl_dict_noop_delete));
187  FAIL_UNLESS("insert a", 0==owl_dict_insert_element(&d, "a", av, owl_dict_noop_delete));
188  FAIL_UNLESS("insert c", 0==owl_dict_insert_element(&d, "c", cv, owl_dict_noop_delete));
189  FAIL_UNLESS("reinsert d (no replace)", -2==owl_dict_insert_element(&d, "d", dv, 0));
190  FAIL_UNLESS("find a", av==owl_dict_find_element(&d, "a"));
191  FAIL_UNLESS("find b", bv==owl_dict_find_element(&d, "b"));
192  FAIL_UNLESS("find c", cv==owl_dict_find_element(&d, "c"));
193  FAIL_UNLESS("find d", dv==owl_dict_find_element(&d, "d"));
194  FAIL_UNLESS("find e (non-existent)", NULL==owl_dict_find_element(&d, "e"));
195  FAIL_UNLESS("remove d", dv==owl_dict_remove_element(&d, "d"));
196  FAIL_UNLESS("find d (post-removal)", NULL==owl_dict_find_element(&d, "d"));
197
198  FAIL_UNLESS("get_size", 3==owl_dict_get_size(&d));
199  FAIL_UNLESS("get_keys", 0==owl_dict_get_keys(&d, &l));
200  FAIL_UNLESS("get_keys result size", 3==owl_list_get_size(&l));
201 
202  /* these assume the returned keys are sorted */
203  FAIL_UNLESS("get_keys result val",0==strcmp("a",owl_list_get_element(&l,0)));
204  FAIL_UNLESS("get_keys result val",0==strcmp("b",owl_list_get_element(&l,1)));
205  FAIL_UNLESS("get_keys result val",0==strcmp("c",owl_list_get_element(&l,2)));
206
207  owl_list_cleanup(&l, owl_free);
208  owl_dict_cleanup(&d, NULL);
209
210  /*  if (numfailed) printf("*** WARNING: failures encountered with owl_dict\n"); */
211  printf("# END testing owl_dict (%d failures)\n", numfailed);
212  return(numfailed);
213}
214
215int owl_variable_regtest(void) {
216  owl_vardict vd;
217  int numfailed=0;
218  char buf[1024];
219  const void *v;
220
221  printf("# BEGIN testing owl_variable\n");
222  FAIL_UNLESS("setup", 0==owl_variable_dict_setup(&vd));
223
224  FAIL_UNLESS("get bool", 0==owl_variable_get_bool(&vd,"rxping"));
225  FAIL_UNLESS("get bool (no such)", -1==owl_variable_get_bool(&vd,"mumble"));
226  FAIL_UNLESS("get bool as string 1", 0==owl_variable_get_tostring(&vd,"rxping", buf, 1024));
227  FAIL_UNLESS("get bool as string 2", 0==strcmp(buf,"off"));
228  FAIL_UNLESS("set bool 1", 0==owl_variable_set_bool_on(&vd,"rxping"));
229  FAIL_UNLESS("get bool 2", 1==owl_variable_get_bool(&vd,"rxping"));
230  FAIL_UNLESS("set bool 3", 0==owl_variable_set_fromstring(&vd,"rxping","off",0,0));
231  FAIL_UNLESS("get bool 4", 0==owl_variable_get_bool(&vd,"rxping"));
232  FAIL_UNLESS("set bool 5", -1==owl_variable_set_fromstring(&vd,"rxping","xxx",0,0));
233  FAIL_UNLESS("get bool 6", 0==owl_variable_get_bool(&vd,"rxping"));
234
235
236  FAIL_UNLESS("get string", 0==strcmp("~/zlog/people", owl_variable_get_string(&vd,"logpath")));
237  FAIL_UNLESS("set string 7", 0==owl_variable_set_string(&vd,"logpath","whee"));
238  FAIL_UNLESS("get string", 0==strcmp("whee", owl_variable_get_string(&vd,"logpath")));
239
240  FAIL_UNLESS("get int", 8==owl_variable_get_int(&vd,"typewinsize"));
241  FAIL_UNLESS("get int (no such)", -1==owl_variable_get_int(&vd,"mmble"));
242  FAIL_UNLESS("get int as string 1", 0==owl_variable_get_tostring(&vd,"typewinsize", buf, 1024));
243  FAIL_UNLESS("get int as string 2", 0==strcmp(buf,"8"));
244  FAIL_UNLESS("set int 1", 0==owl_variable_set_int(&vd,"typewinsize",12));
245  FAIL_UNLESS("get int 2", 12==owl_variable_get_int(&vd,"typewinsize"));
246  FAIL_UNLESS("set int 1b", -1==owl_variable_set_int(&vd,"typewinsize",-3));
247  FAIL_UNLESS("get int 2b", 12==owl_variable_get_int(&vd,"typewinsize"));
248  FAIL_UNLESS("set int 3", 0==owl_variable_set_fromstring(&vd,"typewinsize","9",0,0));
249  FAIL_UNLESS("get int 4", 9==owl_variable_get_int(&vd,"typewinsize"));
250  FAIL_UNLESS("set int 5", -1==owl_variable_set_fromstring(&vd,"typewinsize","xxx",0,0));
251  FAIL_UNLESS("set int 6", -1==owl_variable_set_fromstring(&vd,"typewinsize","",0,0));
252  FAIL_UNLESS("get int 7", 9==owl_variable_get_int(&vd,"typewinsize"));
253
254  owl_variable_dict_newvar_string(&vd, "stringvar", "", "", "testval");
255  FAIL_UNLESS("get new string var", NULL != (v = owl_variable_get(&vd, "stringvar", OWL_VARIABLE_STRING)));
256  FAIL_UNLESS("get new string val", !strcmp("testval", owl_variable_get_string(&vd, "stringvar")));
257  owl_variable_set_string(&vd, "stringvar", "new val");
258  FAIL_UNLESS("update string val", !strcmp("new val", owl_variable_get_string(&vd, "stringvar")));
259
260  owl_variable_dict_newvar_int(&vd, "intvar", "", "", 47);
261  FAIL_UNLESS("get new int var", NULL != (v = owl_variable_get(&vd, "intvar", OWL_VARIABLE_INT)));
262  FAIL_UNLESS("get new int val", 47 == owl_variable_get_int(&vd, "intvar"));
263  owl_variable_set_int(&vd, "intvar", 17);
264  FAIL_UNLESS("update bool val", 17 == owl_variable_get_int(&vd, "intvar"));
265
266  owl_variable_dict_newvar_bool(&vd, "boolvar", "", "", 1);
267  FAIL_UNLESS("get new bool var", NULL != (v = owl_variable_get(&vd, "boolvar", OWL_VARIABLE_BOOL)));
268  FAIL_UNLESS("get new bool val", owl_variable_get_bool(&vd, "boolvar"));
269  owl_variable_set_bool_off(&vd, "boolvar");
270  FAIL_UNLESS("update string val", !owl_variable_get_bool(&vd, "boolvar"));
271
272  owl_variable_dict_cleanup(&vd);
273
274  /* if (numfailed) printf("*** WARNING: failures encountered with owl_variable\n"); */
275  printf("# END testing owl_variable (%d failures)\n", numfailed);
276  return(numfailed);
277}
278
279static int owl_filter_test_string(const char *filt, const owl_message *m, int shouldmatch)
280{
281  owl_filter *f;
282  int ok;
283  int failed = 0;
284  if ((f = owl_filter_new_fromstring("test-filter", filt)) == NULL) {
285    printf("not ok can't parse %s\n", filt);
286    failed = 1;
287    goto out;
288  }
289  ok = owl_filter_message_match(f, m);
290  if((shouldmatch && !ok) || (!shouldmatch && ok)) {
291    printf("not ok match %s (got %d, expected %d)\n", filt, ok, shouldmatch);
292    failed = 1;
293  }
294 out:
295  owl_filter_delete(f);
296  if(!failed) {
297    printf("ok %s %s\n", shouldmatch ? "matches" : "doesn't match", filt);
298  }
299  return failed;
300}
301
302int owl_filter_regtest(void) {
303  int numfailed=0;
304  owl_message m;
305  owl_filter *f1, *f2, *f3, *f4, *f5;
306
307  owl_dict_create(&g.filters);
308  g.filterlist = NULL;
309  owl_message_init(&m);
310  owl_message_set_type_zephyr(&m);
311  owl_message_set_direction_in(&m);
312  owl_message_set_class(&m, "owl");
313  owl_message_set_instance(&m, "tester");
314  owl_message_set_sender(&m, "owl-user");
315  owl_message_set_recipient(&m, "joe");
316  owl_message_set_attribute(&m, "foo", "bar");
317
318#define TEST_FILTER(f, e) do {                          \
319    numtests++;                                         \
320    numfailed += owl_filter_test_string(f, &m, e);      \
321      } while(0)
322
323  TEST_FILTER("true", 1);
324  TEST_FILTER("false", 0);
325  TEST_FILTER("( true )", 1);
326  TEST_FILTER("not false", 1);
327  TEST_FILTER("( true ) or ( false )", 1);
328  TEST_FILTER("true and false", 0);
329  TEST_FILTER("( true or true ) or ( ( false ) )", 1);
330
331  TEST_FILTER("class owl", 1);
332  TEST_FILTER("class ^owl$", 1);
333  TEST_FILTER("instance test", 1);
334  TEST_FILTER("instance ^test$", 0);
335  TEST_FILTER("instance ^tester$", 1);
336
337  TEST_FILTER("foo bar", 1);
338  TEST_FILTER("class owl and instance tester", 1);
339  TEST_FILTER("type ^zephyr$ and direction ^in$ and ( class ^owl$ or instance ^owl$ )", 1);
340
341  /* Order of operations and precedence */
342  TEST_FILTER("not true or false", 0);
343  TEST_FILTER("true or true and false", 0);
344  TEST_FILTER("true and true and false or true", 1);
345  TEST_FILTER("false and false or true", 1);
346  TEST_FILTER("true and false or false", 0);
347
348  f1 = owl_filter_new_fromstring("f1", "class owl");
349  owl_global_add_filter(&g, f1);
350  TEST_FILTER("filter f1", 1);
351  owl_global_remove_filter(&g, "f1");
352
353  /* Test recursion prevention */
354  FAIL_UNLESS("self reference", (f2 = owl_filter_new_fromstring("test", "filter test")) == NULL);
355  owl_filter_delete(f2);
356
357  /* mutual recursion */
358  f3 = owl_filter_new_fromstring("f3", "filter f4");
359  owl_global_add_filter(&g, f3);
360  FAIL_UNLESS("mutual recursion", (f4 = owl_filter_new_fromstring("f4", "filter f3")) == NULL);
361  owl_global_remove_filter(&g, "f3");
362  owl_filter_delete(f4);
363
364  /* support referencing a filter several times */
365  FAIL_UNLESS("DAG", (f5 = owl_filter_new_fromstring("dag", "filter f1 or filter f1")) != NULL);
366  owl_filter_delete(f5);
367
368  return 0;
369}
370
371int owl_editwin_regtest(void) {
372  int numfailed = 0;
373  const char *p;
374  owl_editwin *oe;
375
376  printf("# BEGIN testing owl_editwin\n");
377
378  oe = owl_editwin_new(NULL, 80, 80, OWL_EDITWIN_STYLE_MULTILINE, NULL);
379
380  /* TODO: make the strings a little more lenient w.r.t trailing whitespace */
381
382  /* check paragraph fill */
383  owl_editwin_insert_string(oe, "blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah.\n\nblah");
384  owl_editwin_move_to_top(oe);
385  owl_editwin_fill_paragraph(oe);
386  p = owl_editwin_get_text(oe);
387  FAIL_UNLESS("text was correctly wrapped", p && !strcmp(p, "blah blah blah blah blah blah blah blah blah blah blah blah blah blah\n"
388                                                            "blah blah blah.\n"
389                                                            "\n"
390                                                            "blah"));
391
392  owl_editwin_unref(oe); oe = NULL;
393  oe = owl_editwin_new(NULL, 80, 80, OWL_EDITWIN_STYLE_MULTILINE, NULL);
394
395  /* check that lines ending with ". " correctly fill */
396  owl_editwin_insert_string(oe, "blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah. \n\nblah");
397  owl_editwin_move_to_top(oe);
398  owl_editwin_fill_paragraph(oe);
399  p = owl_editwin_get_text(oe);
400  FAIL_UNLESS("text was correctly wrapped", p && !strcmp(p, "blah blah blah blah blah blah blah blah blah blah blah blah blah blah\n"
401                                                            "blah blah blah. \n"
402                                                            "\n"
403                                                            "blah"));
404
405  owl_editwin_unref(oe); oe = NULL;
406
407  /* Test owl_editwin_move_to_beginning_of_line. */
408  oe = owl_editwin_new(NULL, 80, 80, OWL_EDITWIN_STYLE_MULTILINE, NULL);
409  owl_editwin_insert_string(oe, "\n");
410  owl_editwin_insert_string(oe, "12345678\n");
411  owl_editwin_insert_string(oe, "\n");
412  owl_editwin_insert_string(oe, "abcdefg\n");
413  owl_editwin_move_to_top(oe);
414  FAIL_UNLESS("already at beginning of line",
415              owl_editwin_move_to_beginning_of_line(oe) == 0);
416  owl_editwin_line_move(oe, 1);
417  owl_editwin_point_move(oe, 5);
418  FAIL_UNLESS("find beginning of line after empty first line",
419              owl_editwin_move_to_beginning_of_line(oe) == -5);
420  owl_editwin_line_move(oe, 1);
421  FAIL_UNLESS("find beginning empty middle line",
422              owl_editwin_move_to_beginning_of_line(oe) == 0);
423  owl_editwin_line_move(oe, 1);
424  owl_editwin_point_move(oe, 2);
425  FAIL_UNLESS("find beginning of line after empty middle line",
426              owl_editwin_move_to_beginning_of_line(oe) == -2);
427  owl_editwin_unref(oe); oe = NULL;
428
429  printf("# END testing owl_editwin (%d failures)\n", numfailed);
430
431  return numfailed;
432}
433
434int owl_fmtext_regtest(void) {
435  int numfailed = 0;
436  int start, end;
437  owl_fmtext fm1;
438  owl_fmtext fm2;
439  owl_regex re;
440  char *str;
441
442  printf("# BEGIN testing owl_fmtext\n");
443
444  owl_fmtext_init_null(&fm1);
445  owl_fmtext_init_null(&fm2);
446
447  /* Verify text gets correctly appended. */
448  owl_fmtext_append_normal(&fm1, "1234567898");
449  owl_fmtext_append_fmtext(&fm2, &fm1);
450  FAIL_UNLESS("string lengths correct",
451              owl_fmtext_num_bytes(&fm2) == strlen(owl_fmtext_get_text(&fm2)));
452
453  /* Test owl_fmtext_num_lines. */
454  owl_fmtext_clear(&fm1);
455  FAIL_UNLESS("empty line correct", owl_fmtext_num_lines(&fm1) == 0);
456  owl_fmtext_append_normal(&fm1, "12345\n67898");
457  FAIL_UNLESS("trailing chars correct", owl_fmtext_num_lines(&fm1) == 2);
458  owl_fmtext_append_normal(&fm1, "\n");
459  FAIL_UNLESS("trailing newline correct", owl_fmtext_num_lines(&fm1) == 2);
460  owl_fmtext_append_bold(&fm1, "");
461  FAIL_UNLESS("trailing attributes correct", owl_fmtext_num_lines(&fm1) == 2);
462
463  /* Test owl_fmtext_truncate_lines */
464  owl_fmtext_clear(&fm1);
465  owl_fmtext_append_normal(&fm1, "0\n1\n2\n3\n4\n");
466
467  owl_fmtext_clear(&fm2);
468  owl_fmtext_truncate_lines(&fm1, 1, 3, &fm2);
469  str = owl_fmtext_print_plain(&fm2);
470  FAIL_UNLESS("lines corrected truncated",
471              str && !strcmp(str, "1\n2\n3\n"));
472  owl_free(str);
473
474  owl_fmtext_clear(&fm2);
475  owl_fmtext_truncate_lines(&fm1, 1, 5, &fm2);
476  str = owl_fmtext_print_plain(&fm2);
477  FAIL_UNLESS("lines corrected truncated",
478              str && !strcmp(str, "1\n2\n3\n4\n"));
479  owl_free(str);
480
481  /* Test owl_fmtext_truncate_cols. */
482  owl_fmtext_clear(&fm1);
483  owl_fmtext_append_normal(&fm1, "123456789012345\n");
484  owl_fmtext_append_normal(&fm1, "123456789\n");
485  owl_fmtext_append_normal(&fm1, "1234567890\n");
486
487  owl_fmtext_clear(&fm2);
488  owl_fmtext_truncate_cols(&fm1, 4, 9, &fm2);
489  str = owl_fmtext_print_plain(&fm2);
490  FAIL_UNLESS("columns correctly truncated",
491              str && !strcmp(str, "567890"
492                                  "56789\n"
493                                  "567890"));
494  owl_free(str);
495
496  owl_fmtext_clear(&fm1);
497  owl_fmtext_append_normal(&fm1, "12\t1234");
498  owl_fmtext_append_bold(&fm1, "56\n");
499  owl_fmtext_append_bold(&fm1, "12345678\t\n");
500
501  owl_fmtext_clear(&fm2);
502  owl_fmtext_truncate_cols(&fm1, 4, 13, &fm2);
503  str = owl_fmtext_print_plain(&fm2);
504  FAIL_UNLESS("columns correctly truncated",
505              str && !strcmp(str, "    123456"
506                                  "5678      "));
507  owl_free(str);
508
509  /* Test owl_fmtext_expand_tabs. */
510  owl_fmtext_clear(&fm1);
511  owl_fmtext_append_normal(&fm1, "12\t1234");
512  owl_fmtext_append_bold(&fm1, "567\t1\n12345678\t1");
513  owl_fmtext_clear(&fm2);
514  owl_fmtext_expand_tabs(&fm1, &fm2, 0);
515  str = owl_fmtext_print_plain(&fm2);
516  FAIL_UNLESS("no tabs remaining", strchr(str, '\t') == NULL);
517  FAIL_UNLESS("tabs corrected expanded",
518              str && !strcmp(str, "12      1234567 1\n"
519                                  "12345678        1"));
520  owl_free(str);
521
522  owl_fmtext_clear(&fm2);
523  owl_fmtext_expand_tabs(&fm1, &fm2, 1);
524  str = owl_fmtext_print_plain(&fm2);
525  FAIL_UNLESS("no tabs remaining", strchr(str, '\t') == NULL);
526  FAIL_UNLESS("tabs corrected expanded",
527              str && !strcmp(str, "12     1234567 1\n"
528                                  "12345678       1"));
529  owl_free(str);
530
531  /* Test owl_fmtext_search. */
532  owl_fmtext_clear(&fm1);
533  owl_fmtext_append_normal(&fm1, "123123123123");
534  owl_regex_create(&re, "12");
535  {
536    int count = 0, offset;
537    offset = owl_fmtext_search(&fm1, &re, 0);
538    while (offset >= 0) {
539      FAIL_UNLESS("search matches",
540                  !strncmp("12", owl_fmtext_get_text(&fm1) + offset, 2));
541      count++;
542      offset = owl_fmtext_search(&fm1, &re, offset+1);
543    }
544    FAIL_UNLESS("exactly four matches", count == 4);
545  }
546  owl_regex_cleanup(&re);
547
548  /* Test owl_fmtext_line_number. */
549  owl_fmtext_clear(&fm1);
550  owl_fmtext_append_normal(&fm1, "123\n456\n");
551  owl_fmtext_append_bold(&fm1, "");
552  FAIL_UNLESS("lines start at 0", 0 == owl_fmtext_line_number(&fm1, 0));
553  FAIL_UNLESS("trailing formatting characters part of false line",
554              2 == owl_fmtext_line_number(&fm1, owl_fmtext_num_bytes(&fm1)));
555  owl_regex_create_quoted(&re, "456");
556  FAIL_UNLESS("correctly find second line (line 1)",
557              1 == owl_fmtext_line_number(&fm1, owl_fmtext_search(&fm1, &re, 0)));
558  owl_regex_cleanup(&re);
559
560  /* Test owl_fmtext_line_extents. */
561  owl_fmtext_clear(&fm1);
562  owl_fmtext_append_normal(&fm1, "123\n456\n789");
563  owl_fmtext_line_extents(&fm1, 1, &start, &end);
564  FAIL_UNLESS("line contents",
565              !strncmp("456\n", owl_fmtext_get_text(&fm1)+start, end-start));
566  owl_fmtext_line_extents(&fm1, 2, &start, &end);
567  FAIL_UNLESS("point to end of buffer", end == owl_fmtext_num_bytes(&fm1));
568
569  owl_fmtext_cleanup(&fm1);
570  owl_fmtext_cleanup(&fm2);
571
572  printf("# END testing owl_fmtext (%d failures)\n", numfailed);
573
574  return numfailed;
575}
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