test262/test/language/expressions/delete/11.4.1-5-a-27-s.js

25 lines
655 B
JavaScript

// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 11.4.1-5-a-27-s
description: >
Strict Mode - TypeError is thrown after deleting a property,
calling preventExtensions, and attempting to reassign the property
flags: [onlyStrict]
includes: [runTestCase.js]
---*/
function testcase() {
var a = {x:0, get y() { return 0;}};
delete a.x;
Object.preventExtensions(a);
try {
a.x = 1;
return false;
} catch (e) {
return e instanceof TypeError;
}
}
runTestCase(testcase);