js/src/tests/test262/annexB/built-ins/escape/to-primitive-err.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-escape-string
description: If [Symbol.toPrimitive] method returned an object, it should throw a TypeError
info: |
    B.2.1.1 escape ( string )

    1. Let string be ? 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 function(){}; }
};

assert.throws(TypeError, function() {
  escape(obj);
});

reportCompare(0, 0);