test262/test/language/expressions/delete/11.4.1-4-a-1-s.js

32 lines
929 B
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: 11.4.1-4-a-1-s
description: >
Strict Mode - TypeError is thrown when deleting non-configurable
data property
flags: [onlyStrict]
includes: [runTestCase.js]
---*/
function testcase() {
"use strict";
var obj = {};
Object.defineProperty(obj, "prop", {
value: "abc",
configurable: false
});
try {
delete obj.prop;
return false;
} catch (e) {
return e instanceof TypeError && obj.prop === "abc";
}
}
runTestCase(testcase);