test262/test/language/expressions/compound-assignment/11.13.2-44-s.js

37 lines
1.1 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: 11.13.2-44-s
description: >
Strict Mode - TypeError is thrown if The LeftHandSide of a
Compound Assignment operator(|=) is a reference of to an accessor
property with the attribute value {[[Set]]:undefined}
flags: [onlyStrict]
includes: [runTestCase.js]
---*/
function testcase() {
"use strict";
var obj = {};
Object.defineProperty(obj, "prop", {
get: function () {
return 11;
},
set: undefined,
enumerable: true,
configurable: true
});
try {
obj.prop |= 20;
return false;
} catch (e) {
return e instanceof TypeError && obj.prop === 11;
}
}
runTestCase(testcase);