1 files changed, 20 insertions, 0 deletions
diff --git a/asprintf.c b/asprintf.c
index 7f565a3..e57c320 100644
--- a/asprintf.c
+++ b/asprintf.c
@@ -12,3 +12,23 @@ libsimple_asprintf(char **strp, const char *fmt, ...)
 	va_end(ap);
 	return r;
 }
+
+
+#ifdef TEST
+#include <assert.h>
+
+int
+main(void)
+{
+	char *s = "";
+	char *old = s;
+
+	assert(libsimple_asprintf(&s, "%i %X", 99999, 255) == sizeof("99999 FF") - 1);
+	assert(s && s != old);
+	assert(!strcmp(s, "99999 FF"));
+	free(s);
+
+	return 0;
+}
+
+#endif