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
54
55
56
|
// Copyright (C) 2014 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 14.5
description: >
class arguments access
---*/
var constructCounts = {
base: 0,
subclass: 0,
subclass2: 0
};
class Base {
constructor() {
constructCounts.base++;
assert.sameValue(arguments.length, 2, "The value of `arguments.length` is `2`");
assert.sameValue(arguments[0], 1, "The value of `arguments[0]` is `1`");
assert.sameValue(arguments[1], 2, "The value of `arguments[1]` is `2`");
}
}
var b = new Base(1, 2);
class Subclass extends Base {
constructor() {
constructCounts.subclass++;
assert.sameValue(arguments.length, 2, "The value of `arguments.length` is `2`");
assert.sameValue(arguments[0], 3, "The value of `arguments[0]` is `3`");
assert.sameValue(arguments[1], 4, "The value of `arguments[1]` is `4`");
super(1, 2);
}
}
var s = new Subclass(3, 4);
assert.sameValue(Subclass.length, 0, "The value of `Subclass.length` is `0`, because there are 0 formal parameters");
class Subclass2 extends Base {
constructor(x, y) {
constructCounts.subclass2++;
assert.sameValue(arguments.length, 2, "The value of `arguments.length` is `2`");
assert.sameValue(arguments[0], 3, "The value of `arguments[0]` is `3`");
assert.sameValue(arguments[1], 4, "The value of `arguments[1]` is `4`");
super(1, 2);
}
}
var s2 = new Subclass2(3, 4);
assert.sameValue(Subclass2.length, 2, "The value of `Subclass2.length` is `2`, because there are 2 formal parameters");
assert.sameValue(constructCounts.base, 3, "The value of `constructCounts.base` is `3`");
assert.sameValue(constructCounts.subclass, 1, "The value of `constructCounts.subclass` is `1`");
assert.sameValue(constructCounts.subclass2, 1, "The value of `constructCounts.subclass2` is `1`");
reportCompare(0, 0);
|
