Ticket #3134: toString-tests.diff

test/unit/core.js

@@ -107 +107 @@
 });
 
 test("isFunction", function() {
-        expect(21);
+        expect(25);
 
         // Make sure that false values return false
         ok( !jQuery.isFunction(), "No Value" );
@@ -139 +139 @@
         var fn = function(){};
         ok( jQuery.isFunction(fn), "Normal Function" );
 
+        // Function with toString() overridden (bug #3134)
+        var fnWithToString = function(){};
+        fnWithToString.toString = function(){ return "Test"; };
+        ok( jQuery.isFunction(fnWithToString), "Normal Function with toString() overridden" );
+
+        // Object with toString() function (bug #3134)
+        ok( !jQuery.isFunction({ toString: function(){ return "function"; } }), "Object with toString() function" );
+        
+        // Native functions in IE
+        ok( jQuery.isFunction( window.alert ), "alert()" );
+        ok( jQuery.isFunction( window.prompt ), "prompt()" );
+
         var obj = document.createElement("object");
 
         // Firefox says this is a function