+ equals( deep1.foo2, document, "Make sure that a deep clone was not attempted on the document" );
+
+ var target = {};
+ var recursive = { foo:target, bar:5 };
+ jQuery.extend(true, target, recursive);
+ isObj( target, { bar:5 }, "Check to make sure a recursive obj doesn't go never-ending loop by not copying it over" );
+
+ var ret = jQuery.extend(true, { foo: [] }, { foo: [0] } ); // 1907
+ ok( ret.foo.length == 1, "Check to make sure a value with coersion 'false' copies over when necessary to fix #1907" );
+
+ var ret = jQuery.extend(true, { foo: "1,2,3" }, { foo: [1, 2, 3] } );
+ ok( typeof ret.foo != "string", "Check to make sure values equal with coersion (but not actually equal) overwrite correctly" );
+
+ var ret = jQuery.extend(true, { foo:"bar" }, { foo:null } );
+ ok( typeof ret.foo !== 'undefined', "Make sure a null value doesn't crash with deep extend, for #1908" );
+
+ var obj = { foo:null };
+ jQuery.extend(true, obj, { foo:"notnull" } );
+ equals( obj.foo, "notnull", "Make sure a null value can be overwritten" );
+
+ function func() {}
+ jQuery.extend(func, { key: "value" } );
+ equals( func.key, "value", "Verify a function can be extended" );