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
44
45
46
47
48
49
50
51
52
53
|
// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-array.prototype.map
description: >
Behavior when `constructor` property is neither an Object nor undefined
info: |
[...]
5. Let A be ? ArraySpeciesCreate(O, len).
[...]
9.4.2.3 ArraySpeciesCreate
[...]
5. Let C be ? Get(originalArray, "constructor").
[...]
9. If IsConstructor(C) is false, throw a TypeError exception.
---*/
var a = [];
var callCount = 0;
var cb = function() {
callCount += 0;
};
a.constructor = null;
assert.throws(TypeError, function() {
a.map(cb);
}, 'null value');
assert.sameValue(callCount, 0, 'callback not invoked (null value)');
a = [];
a.constructor = 1;
assert.throws(TypeError, function() {
a.map(cb);
}, 'number value');
assert.sameValue(callCount, 0, 'callback not invoked (number value)');
a = [];
a.constructor = 'string';
assert.throws(TypeError, function() {
a.map(cb);
}, 'string value');
assert.sameValue(callCount, 0, 'callback not invoked (string value)');
a = [];
a.constructor = true;
assert.throws(TypeError, function() {
a.map(cb);
}, 'boolean value');
assert.sameValue(callCount, 0, 'callback not invoked (boolean value)');
reportCompare(0, 0);
|