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-rw-r--r--timespectostr.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/timespectostr.c b/timespectostr.c
index 05bcaac..bd99fe1 100644
--- a/timespectostr.c
+++ b/timespectostr.c
@@ -1,5 +1,6 @@
/* See LICENSE file for copyright and license details. */
#include "libsimple.h"
+#ifndef TEST
char *
@@ -37,3 +38,28 @@ libsimple_timespectostr(char *restrict buf, const struct timespec *restrict ts)
sprintf(buf, "%s%lli.%09li", sign, (long long int)s, ns);
return buf;
}
+
+
+#else
+#include "test.h"
+
+int
+main(void)
+{
+ char buf[1000];
+
+ /* Mostly tested in libsimple.c */
+
+ errno = 0;
+ assert(!libsimple_timespectostr(buf, &(struct timespec){.tv_sec = 0, .tv_nsec = -1}) && errno == EINVAL);
+ errno = 0;
+ assert(!libsimple_timespectostr(buf, &(struct timespec){.tv_sec = 0, .tv_nsec = -2}) && errno == EINVAL);
+ errno = 0;
+ assert(!libsimple_timespectostr(buf, &(struct timespec){.tv_sec = 0, .tv_nsec = 1000000000L}) && errno == EINVAL);
+ errno = 0;
+ assert(!libsimple_timespectostr(buf, &(struct timespec){.tv_sec = 0, .tv_nsec = 1000000001L}) && errno == EINVAL);
+
+ return 0;
+}
+
+#endif