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
|
// Copyright 2009 the Sputnik authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
info: |
Result of number conversion from number value equals to the input
argument (no conversion)
es5id: 9.3_A4.2_T1
description: >
Number.NaN, +0, -0, Number.POSITIVE_INFINITY,
Number.NEGATIVE_INFINITY, Number.MAX_VALUE and Number.MIN_VALUE
convert to Number by explicit transformation
---*/
// CHECK#1
assert.sameValue(Number(NaN), NaN, "NaN");
// CHECK#2
if (Number(+0) !== +0) {
$ERROR('#2.1: Number(+0) === 0. Actual: ' + (Number(+0)));
} else {
if (1 / Number(+0) !== Number.POSITIVE_INFINITY) {
$ERROR('#2.2: Number(+0) === +0. Actual: -0');
}
}
// CHECK#3
if (Number(-0) !== -0) {
$ERROR('#3.1: Number(-0) === 0. Actual: ' + (Number(-0)));
} else {
if (1 / Number(-0) !== Number.NEGATIVE_INFINITY) {
$ERROR('#3.2: Number(-0) === -0. Actual: +0');
}
}
// CHECK#4
if (Number(Number.POSITIVE_INFINITY) !== Number.POSITIVE_INFINITY) {
$ERROR('#4: Number(+Infinity) === +Infinity. Actual: ' + (Number(+Infinity)));
}
// CHECK#5
if (Number(Number.NEGATIVE_INFINITY) !== Number.NEGATIVE_INFINITY) {
$ERROR('#5: Number(-Infinity) === -Infinity. Actual: ' + (Number(-Infinity)));
}
// CHECK#6
if (Number(Number.MAX_VALUE) !== Number.MAX_VALUE) {
$ERROR('#6: Number(Number.MAX_VALUE) === Number.MAX_VALUE. Actual: ' + (Number(Number.MAX_VALUE)));
}
// CHECK#7
if (Number(Number.MIN_VALUE) !== Number.MIN_VALUE) {
$ERROR('#7: Number(Number.MIN_VALUE) === Number.MIN_VALUE. Actual: ' + (Number(Number.MIN_VALUE)));
}
|
