X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=mware%2Fsprintf_test.c;h=5e68e79fff77ecfb92e5ead6e78e87bb2522dc41;hb=64969cdb6b48f50b642178779baf9e1e317e0645;hp=b793f97b0138eb982b52972eae08c88f0b0bc052;hpb=955809a5fea19ac29e086605a2338ec6d3e3e32d;p=bertos.git

diff --git a/mware/sprintf_test.c b/mware/sprintf_test.c
index b793f97b..5e68e79f 100755
--- a/mware/sprintf_test.c
+++ b/mware/sprintf_test.c
@@ -17,9 +17,6 @@ int main(UNUSED_ARG(int, argc), UNUSED_ARG(char **,argv))
 	snprintf(buf, sizeof buf, "%S", test_string_pgm);
 	assert(strcmp(buf, test_string_pgm) == 0);
 
-	snprintf(buf, sizeof buf, "%s", NULL);
-	assert(strcmp(buf, "<NULL>") == 0);
-
 	snprintf(buf, sizeof buf, "%d", 12345);
 	assert(strcmp(buf, "12345") == 0);
 
@@ -29,5 +26,14 @@ int main(UNUSED_ARG(int, argc), UNUSED_ARG(char **,argv))
 	snprintf(buf, sizeof buf, "%lu", 4294967295UL);
 	assert(strcmp(buf, "4294967295") == 0);
 
+	/*
+	 * Stress tests.
+	 */
+	snprintf(buf, sizeof buf, "%s", NULL);
+	assert(strcmp(buf, "<NULL>") == 0);
+	snprintf(buf, sizeof buf, "%k");
+	assert(strcmp(buf, "???") == 0);
+	sprintf(NULL, test_string); /* must not crash */
+
 	return 0;
 }