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
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
| /* eslint no-useless-call: "off" */
| // Most tests taken from https://github.com/mathiasbynens/Array.of/blob/master/tests/tests.js
| // Thanks @mathiasbynens
|
| "use strict";
|
| var defineProperty = Object.defineProperty;
|
| module.exports = function (t, a) {
| var x = {}, testObject, MyType;
|
| a.deep(t(), [], "No arguments");
| a.deep(t(3), [3], "One numeric argument");
| a.deep(t(3, "raz", null, x, undefined), [3, "raz", null, x, undefined], "Many arguments");
|
| a(t.length, 0, "Length");
|
| a.deep(t("abc"), ["abc"], "String");
| a.deep(t(undefined), [undefined], "Undefined");
| a.deep(t(null), [null], "Null");
| a.deep(t(false), [false], "Boolean");
| a.deep(t(-Infinity), [-Infinity], "Infinity");
| a.deep(t(-0), [-0], "-0");
| a.deep(t(+0), [+0], "+0");
| a.deep(t(1), [1], "1");
| a.deep(t(1, 2, 3), [1, 2, 3], "Numeric args");
| a.deep(t(Number(Infinity)), [Number(Infinity)], "+Infinity");
| a.deep(
| t({ 0: "a", 1: "b", 2: "c", length: 3 }), [{ 0: "a", 1: "b", 2: "c", length: 3 }],
| "Array like"
| );
| a.deep(
| t(undefined, null, false, -Infinity, -0, +0, 1, 2, Number(Infinity)),
| [undefined, null, false, -Infinity, -0, +0, 1, 2, Number(Infinity)], "Falsy arguments"
| );
|
| a.h1("Null context");
| a.deep(t.call(null, "abc"), ["abc"], "String");
| a.deep(t.call(null, undefined), [undefined], "Undefined");
| a.deep(t.call(null, null), [null], "Null");
| a.deep(t.call(null, false), [false], "Boolean");
| a.deep(t.call(null, -Infinity), [-Infinity], "-Infinity");
| a.deep(t.call(null, -0), [-0], "-0");
| a.deep(t.call(null, +0), [+0], "+0");
| a.deep(t.call(null, 1), [1], "1");
| a.deep(t.call(null, 1, 2, 3), [1, 2, 3], "Numeric");
| a.deep(t.call(null, Number(Infinity)), [Number(Infinity)], "+Infinity");
| a.deep(
| t.call(null, { 0: "a", 1: "b", 2: "c", length: 3 }),
| [{ 0: "a", 1: "b", 2: "c", length: 3 }], "Array-like"
| );
| a.deep(
| t.call(null, undefined, null, false, -Infinity, -0, +0, 1, 2, Number(Infinity)),
| [undefined, null, false, -Infinity, -0, +0, 1, 2, Number(Infinity)], "Falsy"
| );
|
| a.h1("Other constructor context");
| a.deep(t.call(Object, 1, 2, 3), { 0: 1, 1: 2, 2: 3, length: 3 }, "Many arguments");
|
| testObject = Object(3);
| testObject[0] = 1;
| testObject[1] = 2;
| testObject[2] = 3;
| testObject.length = 3;
| a.deep(t.call(Object, 1, 2, 3), testObject, "Test object");
| a(t.call(Object).length, 0, "No arguments");
| a.throws(
| function () {
| t.call(function () { return Object.freeze({}); });
| },
| TypeError,
| "Frozen instance"
| );
|
| // Ensure no setters are called for the indexes
| MyType = function () {};
| defineProperty(MyType.prototype, "0", {
| set: function (x) { throw new Error("Setter called: " + x); }
| });
| a.deep(t.call(MyType, "abc"), { 0: "abc", length: 1 }, "Define, not set");
| };
|
|