summaryrefslogtreecommitdiffstats
path: root/js/src/tests/test262/built-ins/Iterator/prototype/some/predicate-throws.js
blob: a39878fa25df97f312c67bd5b6be7db2a9c6ecab (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
// |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: >
  Closes iterator and throws when predicate throws
info: |
  %Iterator.prototype%.some ( predicate )

features: [iterator-helpers]
flags: []
---*/
let returnCalls = 0;

class TestIterator extends Iterator {
  next() {
    return {
      done: false,
      value: 1,
    };
  }
  return() {
    ++returnCalls;
    return {};
  }
}

let iterator = new TestIterator();

let callbackCalls = 0;

assert.throws(Test262Error, function () {
  iterator.some(() => {
    ++callbackCalls;
    throw new Test262Error();
  });
});

assert.sameValue(callbackCalls, 1);
assert.sameValue(returnCalls, 1);

reportCompare(0, 0);