test262/test/annexB/built-ins/unescape/to-primitive-observe.js

21 lines
590 B
JavaScript

// Copyright (C) 2020 Qu Xing. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-unescape-string
description: Observable operations from string coercion
info: |
B.2.1.2 unescape ( string )
1. Set string to ? ToString(string).
....
features: [Symbol.toPrimitive]
---*/
var obj = {
toString() { throw new Test262Error('this should be unreachable'); },
valueOf() { throw new Test262Error('this should be unreachable'); },
[Symbol.toPrimitive]() { return 'success'; }
};
assert.sameValue(unescape(obj), 'success');