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


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// 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');

reportCompare(0, 0);