diff --git a/test/unit/core.js b/test/unit/core.js
index 932d0a5e..835dde61 100644
--- a/test/unit/core.js
+++ b/test/unit/core.js
@@ -214,10 +214,11 @@ test("get(Number)", function() {
 });
 
 test("add(String|Element|Array|undefined)", function() {
-	expect(8);
+	expect(9);
 	isSet( $("#sndp").add("#en").add("#sap").get(), q("sndp", "en", "sap"), "Check elements from document" );
 	isSet( $("#sndp").add( $("#en")[0] ).add( $("#sap") ).get(), q("sndp", "en", "sap"), "Check elements from document" );
 	ok( $([]).add($("#form")[0].elements).length >= 13, "Check elements from array" );
+	equals( $([]).add($("#form")[0].elements).length, $($("#form")[0].elements).length, "Array in constructor must equals array in add()" );
 	
 	var x = $([]).add($("<p id='x1'>xxx</p>")).add($("<p id='x2'>xxx</p>"));
 	ok( x[0].id == "x1", "Check on-the-fly element1" );