2 * Any copyright is dedicated to the Public Domain.
3 * http://creativecommons.org/licenses/publicdomain/
6 //-----------------------------------------------------------------------------
7 var BUGNUMBER = 492840;
8 var summary = 'ES5 Object.create(O [, Properties])';
10 print(BUGNUMBER + ": " + summary);
16 assertEq("create" in Object, true);
17 assertEq(Object.create.length, 2);
19 var o, desc, props, proto;
21 o = Object.create(null);
22 assertEq(Object.getPrototypeOf(o), null, "bad null-proto");
24 o = Object.create(null, { a: { value: 17, enumerable: false } });
25 assertEq(Object.getPrototypeOf(o), null, "bad null-proto");
26 assertEq("a" in o, true);
27 desc = Object.getOwnPropertyDescriptor(o, "a");
28 assertEq(desc !== undefined, true, "no descriptor?");
29 assertEq(desc.value, 17);
30 assertEq(desc.enumerable, false);
31 assertEq(desc.configurable, false);
32 assertEq(desc.writable, false);
34 props = Object.create({ bar: 15 });
35 Object.defineProperty(props, "foo", { enumerable: false, value: 42 });
37 o = Object.create(proto, props);
38 assertEq(Object.getPrototypeOf(o), proto);
39 assertEq(Object.getOwnPropertyDescriptor(o, "foo"), undefined);
40 assertEq("foo" in o, false);
41 assertEq(Object.getOwnPropertyDescriptor(o, "bar"), undefined);
42 assertEq("bar" in o, false);
43 assertEq(Object.getOwnPropertyDescriptor(o, "baz"), undefined);
45 assertEq(o.hasOwnProperty("baz"), false);
49 Object.create(Object.create({},
50 { boom: { get: function() { return "base"; }}}),
51 { boom: { get: function() { return "overridden"; }}}).boom
54 assertEq(actual, "overridden");
56 /******************************************************************************/
58 reportCompare(true, true);
60 print("All tests passed!");