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authorMattias Andrée <maandree@kth.se>2023-04-09 20:05:12 +0200
committerMattias Andrée <maandree@kth.se>2023-04-09 20:05:12 +0200
commitbbc81527ffbbb1cb26dfd145d492bdd613cd7ae2 (patch)
tree1bdaf0b894cf933f7d96951a516b037cde2f32c1 /strtouz.c
parentImprove makefile and fix a bug (diff)
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Add tests and man pages
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to 'strtouz.c')
-rw-r--r--strtouz.c34
1 files changed, 33 insertions, 1 deletions
diff --git a/strtouz.c b/strtouz.c
index 40ed549..7a92b6a 100644
--- a/strtouz.c
+++ b/strtouz.c
@@ -3,15 +3,47 @@
#ifndef TEST
-extern inline size_t libsimple_strtouz(const char *restrict, char **restrict, int); /* TODO test, man */
+extern inline size_t libsimple_strtouz(const char *restrict, char **restrict, int);
#else
#include "test.h"
+static void
+add_one(char *buf)
+{
+ char *p = strchr(buf, '\0');
+ while (*--p == '9')
+ *p = '0';
+ *p += 1;
+}
+
int
main(void)
{
+ char str[128];
+ char *e;
+ sprintf(str, "0x%zx", SIZE_MAX);
+ errno = 0;
+ assert(strtouz(str, NULL, 0) == SIZE_MAX && !errno);
+ assert(strtouz(str, NULL, 16) == SIZE_MAX && !errno);
+ assert(strtouz(&str[2], NULL, 16) == SIZE_MAX && !errno);
+ assert(strtouz(str, NULL, 10) == 0 && !errno);
+ assert(strtouz(str, &e, 0) == SIZE_MAX && !*e && !errno);
+ assert(strtouz(str, &e, 10) == 0 && *e == 'x' && !errno);
+ sprintf(str, "0x%zx ", SIZE_MAX);
+ assert(strtouz(str, &e, 16) == SIZE_MAX && *e == ' ' && !errno);
+ sprintf(str, "%zu", SIZE_MAX);
+ assert(strtouz(str, &e, 10) == SIZE_MAX && !*e && !errno);
+ assert(strtouz("1234", &e, 10) == 1234 && !*e && !errno);
+ assert(strtouz("1234", &e, 8) == 01234 && !*e && !errno);
+ assert(strtouz("01234", &e, 0) == 01234 && !*e && !errno);
+ sprintf(str, "%zu", SIZE_MAX);
+ add_one(str);
+ assert(strtouz(str, &e, 10) == SIZE_MAX && !*e && errno == ERANGE);
+ errno = 0;
+ assert(!strtouz("1", &e, -10000) && errno == EINVAL);
+ errno = 0;
return 0;
}