js/src/tests/test262/built-ins/Iterator/prototype/some/iterator-return-method-throws.js


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// |reftest| shell-option(--enable-iterator-helpers) skip-if(!this.hasOwnProperty('Iterator')||!xulRuntime.shell) -- iterator-helpers is not enabled unconditionally, requires shell-options
// Copyright (C) 2023 Michael Ficarra. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-iteratorprototype.some
description: >
  Iterator has throwing return
info: |
  %Iterator.prototype%.some ( predicate )

features: [iterator-helpers]
flags: []
---*/
class IteratorThrows extends Iterator {
  next() {
    return {
      done: false,
      value: 0,
    };
  }
  return() {
    throw new Test262Error();
  }
}

let iterator = new IteratorThrows();

assert.throws(Test262Error, function () {
  iterator.some(() => true);
});

reportCompare(0, 0);