Index: test/unit/core.js
===================================================================
--- test/unit/core.js	(révision 5772)
+++ test/unit/core.js	(copie de travail)
@@ -107,7 +107,7 @@
 });
 
 test("isFunction", function() {
-	expect(21);
+	expect(23);
 
 	// Make sure that false values return false
 	ok( !jQuery.isFunction(), "No Value" );
@@ -139,6 +139,14 @@
 	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" );
+	
 	var obj = document.createElement("object");
 
 	// Firefox says this is a function