Added some tests for #5991.

diff --git a/test/unit/core.js b/test/unit/core.js
index 81bca1072d8b64258bdfe26c82211848c79b32b2..d83f667dc194a38591e44dc52e5e7f99fcdcdd7d 100644 (file)
--- a/test/unit/core.js
+++ b/test/unit/core.js
@@ -661,7 +661,7 @@ test("jQuery.merge()", function() {
 });
 
 test("jQuery.extend(Object, Object)", function() {
-       expect(26);
+       expect(28);
 
        var settings = { xnumber1: 5, xnumber2: 7, xstring1: "peter", xstring2: "pan" },
                options = { xnumber2: 1, xstring2: "x", xxx: "newstring" },
@@ -689,6 +689,10 @@ test("jQuery.extend(Object, Object)", function() {
        equals( deep1.foo2, document, "Make sure that a deep clone was not attempted on the document" );
 
        ok( jQuery.extend(true, {}, nestedarray).arr !== arr, "Deep extend of object must clone child array" );
+       
+       // #5991
+       ok( jQuery.isArray( jQuery.extend(true, { arr: {} }, nestedarray).arr ), "Cloned array heve to be an Array" );
+       ok( jQuery.isPlainObject( jQuery.extend(true, { arr: arr }, { arr: {} }).arr ), "Cloned object heve to be an plain object" );
 
        var empty = {};
        var optionsWithLength = { foo: { length: -1 } };