test/script/basic/NASHORN-418.js

changeset 0
b1a7da25b547
child 952
6d5471a497fb
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/script/basic/NASHORN-418.js	Wed Apr 27 01:36:41 2016 +0800
     1.3 @@ -0,0 +1,81 @@
     1.4 +/*
     1.5 + * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + * 
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + * 
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + * 
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + * 
    1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.23 + * or visit www.oracle.com if you need additional information or have any
    1.24 + * questions.
    1.25 + */
    1.26 +
    1.27 +/**
    1.28 + * NASHORN-418 : When a data descriptor property is changed to an accessor descriptor property, new configurable, enumerable flags are not set
    1.29 + *
    1.30 + * @test
    1.31 + * @run
    1.32 + */
    1.33 +
    1.34 +var obj = { foo: 33 };
    1.35 +
    1.36 +var oldDesc = Object.getOwnPropertyDescriptor(obj, "foo");
    1.37 +if (! oldDesc.enumerable) {
    1.38 +    fail("#1 'foo' is not enumerable");
    1.39 +}
    1.40 +
    1.41 +if (! oldDesc.configurable) {
    1.42 +    fail("#2 'foo' is not configurable");
    1.43 +}
    1.44 +
    1.45 +Object.defineProperty(obj, "foo", {
    1.46 +    enumerable: false, configurable: false,
    1.47 +    get: function() { return 'hello' } });
    1.48 +
    1.49 +var newDesc = Object.getOwnPropertyDescriptor(obj, "foo");
    1.50 +if (newDesc.enumerable) {
    1.51 +    fail("#3 'foo' is enumerable");
    1.52 +}
    1.53 +
    1.54 +if (newDesc.configurable) {
    1.55 +    fail("#4 'foo' is configurable");
    1.56 +}
    1.57 +
    1.58 +var obj2 = {};
    1.59 +
    1.60 +Object.defineProperty(obj2, "foo", {
    1.61 +    value : 34, writable: false, configurable: true });
    1.62 +
    1.63 +var setterCalled = true;
    1.64 +// descriptor type change, writable is not inherited
    1.65 +Object.defineProperty(obj2, "foo", {
    1.66 +  get: undefined, set: function(x) { setterCalled = true } });
    1.67 +
    1.68 +// can still attempt to write
    1.69 +obj2.foo = 44;
    1.70 +if (! setterCalled) {
    1.71 +    fail("#5 obj2.foo setter not called");
    1.72 +}
    1.73 +
    1.74 +var obj3 = {};
    1.75 +
    1.76 +Object.defineProperty(obj3, "foo", {
    1.77 +  get: undefined, set: function(x) { }, configurable: true });
    1.78 +
    1.79 +Object.defineProperty(obj3, "foo", { value: 33 });
    1.80 +
    1.81 +var desc = Object.getOwnPropertyDescriptor(obj3, "foo");
    1.82 +if (desc.writable) {
    1.83 +    fail("#6 obj3.foo is writable");
    1.84 +}

mercurial