Fixed [Array objectAtIndex: > .length] to return nil.

diff --git a/Library.mm b/Library.mm
index 6537ffdbb10b54c340e26bc830d8702751b1eb9c..c8a2a6733d75922c0ba2de239c76f60b0fc25663 100644 (file)
--- a/Library.mm
+++ b/Library.mm
@@ -1470,6 +1470,8 @@ bool CYIsCallable(JSContextRef context, JSValueRef value) {
 }
 
 - (id) objectAtIndex:(NSUInteger)index {
+    if (index >= CYCastDouble(context_, CYGetProperty(context_, object_, length_)))
+        return nil;
     JSValueRef exception(NULL);
     JSValueRef value(JSObjectGetPropertyAtIndex(context_, object_, index, &exception));
     CYThrow(context_, exception);