Better argument validation

[jansson.git] / test / testprogs / test_simple.c

diff --git a/test/testprogs/test_simple.c b/test/testprogs/test_simple.c
index 86f841b..4491ed2 100644 (file)
--- a/test/testprogs/test_simple.c
+++ b/test/testprogs/test_simple.c
@@ -58,6 +58,10 @@ int main()
         fail("invalid string value");
     json_decref(value);
 
+    value = json_string(NULL);
+    if(value)
+        fail("json_string(NULL) failed");
+
     value = json_integer(123);
     if(!value)
         fail("json_integer failed");