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avutil/tests/dict: Explicitly test av_dict_iterate()

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This commit tests it in a way that automatically checks
that using av_dict_iterate() is equivalent to using
av_dict_get() with key "" and AV_DICT_IGNORE_SUFFIX.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2022-12-03 18:14:29 +01:00
parent 81747b5259
commit 6aa7b0c463
1 changed files with 25 additions and 5 deletions
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30
libavutil/tests/dict.c
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@ -20,10 +20,30 @@
#include "libavutil/dict.c"
static const AVDictionaryEntry *dict_iterate(const AVDictionary *m,
const AVDictionaryEntry *prev)
{
const AVDictionaryEntry *dict_get = av_dict_get(m, "", prev, AV_DICT_IGNORE_SUFFIX);
const AVDictionaryEntry *dict_iterate = av_dict_iterate(m, prev);
if (dict_get != dict_iterate) {
#define GET(entry, mem) ((entry) ? (entry)->mem : "N/A")
printf("Iterating with av_dict_iterate() yields a different result "
"than iterating with av_dict_get() and AV_DICT_IGNORE_SUFFIX "
"(prev: %p, key %s; av_dict_iterate() %p, key %s, value %s; "
"av_dict_get() %p, key %s, value %s)\n",
prev, GET(prev, key),
dict_iterate, GET(dict_iterate, key), GET(dict_iterate, value),
dict_get, GET(dict_get, key), GET(dict_get, value));
#undef GET
}
return dict_iterate;
}
static void print_dict(const AVDictionary *m)
{
AVDictionaryEntry *t = NULL;
while ((t = av_dict_get(m, "", t, AV_DICT_IGNORE_SUFFIX)))
const AVDictionaryEntry *t = NULL;
while ((t = dict_iterate(m, t)))
printf("%s %s ", t->key, t->value);
printf("\n");
}
@ -94,7 +114,7 @@ int main(void)
if (av_dict_get(dict, NULL, NULL, 0))
printf("av_dict_get() does not correctly handle NULL key.\n");
e = NULL;
while ((e = av_dict_get(dict, "", e, AV_DICT_IGNORE_SUFFIX)))
while ((e = dict_iterate(dict, e)))
printf("%s %s\n", e->key, e->value);
av_dict_free(&dict);
@ -106,7 +126,7 @@ int main(void)
printf("av_dict_set does not correctly handle NULL key\n");
e = NULL;
while ((e = av_dict_get(dict, "", e, AV_DICT_IGNORE_SUFFIX)))
while ((e = dict_iterate(dict, e)))
printf("'%s' '%s'\n", e->key, e->value);
av_dict_free(&dict);
@ -122,7 +142,7 @@ int main(void)
av_dict_set_int(&dict, "12", 1, 0);
av_dict_set_int(&dict, "12", 2, AV_DICT_APPEND);
e = NULL;
while ((e = av_dict_get(dict, "", e, AV_DICT_IGNORE_SUFFIX)))
while ((e = dict_iterate(dict, e)))
printf("%s %s\n", e->key, e->value);
av_dict_free(&dict);