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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: Map entry removal and re-insertion during traversal using for..of
info: |
Entries removed from a Map instance during traversal should be visited if
they are re-inserted prior to iterator exhaustion.
es6id: 13.6.4
features: [Map]
---*/
var map = new Map();
var iterationCount = 0;
var first = [0, 'a'];
var second = [1, 'b'];
map.set(0, 'a');
map.set(1, 'b');
for (var x of map) {
assert.sameValue(x[0], first[0]);
assert.sameValue(x[1], first[1]);
first = second;
second = null;
if (first !== null) {
map.delete(1);
map.set(1, 'b');
}
iterationCount += 1;
}
assert.sameValue(iterationCount, 2);
reportCompare(0, 0);
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