File: set-contract.js

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// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
description: >
    Entries removed from a Set instance during traversal should not be visited.
es6id: 13.6.4
features: [Set]
---*/

var set = new Set();
var iterationCount = 0;

set.add(0);
set.add(1);

for (var x of set) {
  assert.sameValue(x, 0);
  set.delete(1);
  iterationCount += 1;
}

assert.sameValue(iterationCount, 1);