blob: 8bdc66d59cfe8a11e0feb0ceaeef4ee37bcd1805 (
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
|
// 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.has
description: >
-0 and +0 are normalized to +0;
info: |
Map.prototype.has ( key )
5. Repeat for each Record {[[key]], [[value]]} p that is an element of
entries,
a. If p.[[key]] is not empty and SameValueZero(p.[[key]], key) is true,
return true.
...
---*/
var map = new Map();
assert.sameValue(map.has(-0), false);
assert.sameValue(map.has(+0), false);
map.set(-0, 42);
assert.sameValue(map.has(-0), true);
assert.sameValue(map.has(+0), true);
map.clear();
map.set(+0, 42);
assert.sameValue(map.has(-0), true);
assert.sameValue(map.has(+0), true);
reportCompare(0, 0);
|
