mirror of https://github.com/tc39/test262.git
35 lines
962 B
JavaScript
35 lines
962 B
JavaScript
// Copyright (c) 2012 Ecma International. All rights reserved.
|
|
// This code is governed by the BSD license found in the LICENSE file.
|
|
|
|
/*---
|
|
es5id: 15.2.3.7-6-a-160
|
|
description: >
|
|
Object.defineProperties - 'O' is an Array, 'P' is the length
|
|
property of 'O', the [[Value]] field of 'desc' is less than value
|
|
of the length property, test TypeError is thrown when the
|
|
[[Writable]] attribute of the length property is false (15.4.5.1
|
|
step 3.g)
|
|
includes: [runTestCase.js]
|
|
---*/
|
|
|
|
function testcase() {
|
|
|
|
var arr = [0, 1];
|
|
|
|
Object.defineProperty(arr, "length", {
|
|
writable: false
|
|
});
|
|
|
|
try {
|
|
Object.defineProperties(arr, {
|
|
length: {
|
|
value: 0
|
|
}
|
|
});
|
|
return false;
|
|
} catch (e) {
|
|
return e instanceof TypeError && arr.length === 2 && arr[0] === 0 && arr[1] === 1;
|
|
}
|
|
}
|
|
runTestCase(testcase);
|