diff --git a/tests/str.c b/tests/str.c
index 26937f5..be1e512 100644
--- a/tests/str.c
+++ b/tests/str.c
@@ -2,18 +2,26 @@
 
 int main(void)
 {
+	char buf[10];
 	int val;
 
 	val = atonum("42");
 	if (val != 42)
 		return 1;
-	
+
 	if (!string_match("eth1", "eth1234"))
 		return 1;
 
 	if (string_compare("eth1", "eth1234"))
 		return 1;
 
+	if (!string_case_compare("somestring", "SoMeSTRING"))
+		return 1;
+
+	strlcpy(buf, "tooloongstring", sizeof(buf));
+	if (buf[9] == 'r')
+		return 1;
+
 	return 0;
 }