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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.
/*---
esid: sec-map.prototype.forEach
description: >
Repeats for each non-empty record, in original key insertion order.
info: |
Map.prototype.forEach ( callbackfn [ , thisArg ] )
...
5. If thisArg was supplied, let T be thisArg; else let T be undefined.
6. Let entries be the List that is the value of M’s [[MapData]] internal slot.
7. Repeat for each Record {[[key]], [[value]]} e that is an element of
entries, in original key insertion order
a. If e.[[key]] is not empty, then
i. Let funcResult be Call(callbackfn, T, «e.[[value]], e.[[key]], M»).
...
---*/
var map = new Map([
['foo', 'valid foo'],
['bar', false],
['baz', 'valid baz']
]);
map.set(0, false);
map.set(1, false);
map.set(2, 'valid 2');
map.delete(1);
map.delete('bar');
// Not setting a new key, just changing the value
map.set(0, 'valid 0');
var results = [];
var callback = function(value) {
results.push(value);
};
map.forEach(callback);
assert.sameValue(results[0], 'valid foo');
assert.sameValue(results[1], 'valid baz');
assert.sameValue(results[2], 'valid 0');
assert.sameValue(results[3], 'valid 2');
assert.sameValue(results.length, 4);
map.clear();
results = [];
map.forEach(callback);
assert.sameValue(results.length, 0);
reportCompare(0, 0);
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