mirror of https://github.com/tc39/test262.git
55 lines
1.6 KiB
JavaScript
55 lines
1.6 KiB
JavaScript
|
// Copyright (c) 2012 Ecma International. All rights reserved.
|
||
|
// Ecma International makes this code available under the terms and conditions set
|
||
|
// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the
|
||
|
// "Use Terms"). Any redistribution of this code must retain the above
|
||
|
// copyright and this notice and otherwise comply with the Use Terms.
|
||
|
|
||
|
/*---
|
||
|
es5id: 15.2.3.7-6-a-287
|
||
|
description: >
|
||
|
Object.defineProperties - 'O' is an Arguments object, 'P' is own
|
||
|
accessor property of 'O' which is also defined in [[ParameterMap]]
|
||
|
of 'O', test TypeError is thrown when updating the [[Set]]
|
||
|
attribute value of 'P' which is defined as non-configurable (10.6
|
||
|
[[DefineOwnProperty]] step 4)
|
||
|
includes: [runTestCase.js]
|
||
|
---*/
|
||
|
|
||
|
function testcase() {
|
||
|
|
||
|
var arg;
|
||
|
|
||
|
(function fun(a, b, c) {
|
||
|
arg = arguments;
|
||
|
}(0, 1, 2));
|
||
|
|
||
|
function get_func() {
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
Object.defineProperty(arg, "0", {
|
||
|
get: get_func,
|
||
|
set: undefined,
|
||
|
enumerable: false,
|
||
|
configurable: false
|
||
|
});
|
||
|
|
||
|
function set_func(value) {
|
||
|
arg.setVerifyHelpProp = value;
|
||
|
}
|
||
|
try {
|
||
|
Object.defineProperties(arg, {
|
||
|
"0": {
|
||
|
set: set_func
|
||
|
}
|
||
|
});
|
||
|
|
||
|
return false;
|
||
|
} catch (e) {
|
||
|
var desc = Object.getOwnPropertyDescriptor(arg, "0");
|
||
|
return e instanceof TypeError && desc.get === get_func && typeof desc.set === "undefined" &&
|
||
|
desc.enumerable === false && desc.configurable === false;
|
||
|
}
|
||
|
}
|
||
|
runTestCase(testcase);
|