michael@0: /*
michael@0:  * Any copyright is dedicated to the Public Domain.
michael@0:  * http://creativecommons.org/licenses/publicdomain/
michael@0:  */
michael@0: 
michael@0: //-----------------------------------------------------------------------------
michael@0: var BUGNUMBER = 492840;
michael@0: var summary = 'ES5 Object.create(O [, Properties])';
michael@0: 
michael@0: print(BUGNUMBER + ": " + summary);
michael@0: 
michael@0: /**************
michael@0:  * BEGIN TEST *
michael@0:  **************/
michael@0: 
michael@0: assertEq("create" in Object, true);
michael@0: assertEq(Object.create.length, 2);
michael@0: 
michael@0: var o, desc, props, proto;
michael@0: 
michael@0: o = Object.create(null);
michael@0: assertEq(Object.getPrototypeOf(o), null, "bad null-proto");
michael@0: 
michael@0: o = Object.create(null, { a: { value: 17, enumerable: false } });
michael@0: assertEq(Object.getPrototypeOf(o), null, "bad null-proto");
michael@0: assertEq("a" in o, true);
michael@0: desc = Object.getOwnPropertyDescriptor(o, "a");
michael@0: assertEq(desc !== undefined, true, "no descriptor?");
michael@0: assertEq(desc.value, 17);
michael@0: assertEq(desc.enumerable, false);
michael@0: assertEq(desc.configurable, false);
michael@0: assertEq(desc.writable, false);
michael@0: 
michael@0: props = Object.create({ bar: 15 });
michael@0: Object.defineProperty(props, "foo", { enumerable: false, value: 42 });
michael@0: proto = { baz: 12 };
michael@0: o = Object.create(proto, props);
michael@0: assertEq(Object.getPrototypeOf(o), proto);
michael@0: assertEq(Object.getOwnPropertyDescriptor(o, "foo"), undefined);
michael@0: assertEq("foo" in o, false);
michael@0: assertEq(Object.getOwnPropertyDescriptor(o, "bar"), undefined);
michael@0: assertEq("bar" in o, false);
michael@0: assertEq(Object.getOwnPropertyDescriptor(o, "baz"), undefined);
michael@0: assertEq(o.baz, 12);
michael@0: assertEq(o.hasOwnProperty("baz"), false);
michael@0: 
michael@0: try {
michael@0:   var actual =
michael@0:     Object.create(Object.create({},
michael@0:                                 { boom: { get: function() { return "base"; }}}),
michael@0:                   { boom: { get: function() { return "overridden"; }}}).boom
michael@0: } catch (e) {
michael@0: }
michael@0: assertEq(actual, "overridden");
michael@0: 
michael@0: /******************************************************************************/
michael@0: 
michael@0: reportCompare(true, true);
michael@0: 
michael@0: print("All tests passed!");