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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 /strtoz.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 'strtoz.c')
-rw-r--r--strtoz.c45
1 files changed, 44 insertions, 1 deletions
diff --git a/strtoz.c b/strtoz.c
index 44779df..7826251 100644
--- a/strtoz.c
+++ b/strtoz.c
@@ -3,15 +3,58 @@
#ifndef TEST
-extern inline ssize_t libsimple_strtoz(const char *restrict, char **restrict, int); /* TODO test, man */
+extern inline ssize_t libsimple_strtoz(const char *restrict, char **restrict, int);
#else
#include "test.h"
+#ifndef SSIZE_MIN
+#define SSIZE_MIN (-SSIZE_MAX - (-LONG_MAX != LONG_MIN))
+#endif
+
+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", SSIZE_MAX);
+ errno = 0;
+ assert(strtoz(str, NULL, 0) == SSIZE_MAX && !errno);
+ assert(strtoz(str, NULL, 16) == SSIZE_MAX && !errno);
+ assert(strtoz(&str[2], NULL, 16) == SSIZE_MAX && !errno);
+ assert(strtoz(str, NULL, 10) == 0 && !errno);
+ assert(strtoz(str, &e, 0) == SSIZE_MAX && !*e && !errno);
+ assert(strtoz(str, &e, 10) == 0 && *e == 'x' && !errno);
+ sprintf(str, "0x%zx ", SSIZE_MAX);
+ assert(strtoz(str, &e, 16) == SSIZE_MAX && *e == ' ' && !errno);
+ sprintf(str, "-%zi", SSIZE_MAX);
+ assert(strtoz(&str[1], &e, 10) == SSIZE_MAX && !*e && !errno);
+ assert(strtoz(str, &e, 10) == -SSIZE_MAX && !*e && !errno);
+ sprintf(str, "%zi", SSIZE_MIN);
+ assert(strtoz(str, &e, 10) == SSIZE_MIN && !*e && !errno);
+ assert(strtoz("1234", &e, 10) == 1234 && !*e && !errno);
+ assert(strtoz("1234", &e, 8) == 01234 && !*e && !errno);
+ assert(strtoz("01234", &e, 0) == 01234 && !*e && !errno);
+ sprintf(str, "%zi", SSIZE_MAX);
+ add_one(str);
+ assert(strtoz(str, &e, 10) == SSIZE_MAX && !*e && errno == ERANGE);
+ errno = 0;
+ sprintf(str, "%zi", SSIZE_MIN);
+ add_one(str);
+ assert(strtoz(str, &e, 10) == SSIZE_MIN && !*e && errno == ERANGE);
+ errno = 0;
+ assert(!strtoz("1", &e, -10000) && errno == EINVAL);
+ errno = 0;
return 0;
}