Just restore window.JSON in the getJSON test, don't try to delete the value.

diff --git a/test/unit/ajax.js b/test/unit/ajax.js
index 75ef26c..d827a15 100644 (file)
--- a/test/unit/ajax.js
+++ b/test/unit/ajax.js
@@ -785,12 +785,9 @@ test("jQuery.getJSON - Using Native JSON", function() {
 
        stop();
        jQuery.getJSON(url("data/json.php"), function(json) {
-               if (!old)
-                       delete window.JSON
-               else
-                       window.JSON = old;
-         equals( json, true, "Verifying return value" );
-         start();
+               window.JSON = old;
+               equals( json, true, "Verifying return value" );
+               start();
        });
 });