blob: 91ccccbacc5595b27dcd8e9dbb9b455171f54e48 (
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
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
// Copyright 2009 the Sputnik authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/**
* @name: S11.6.2_A4_T7;
* @section: 11.6.2, 11.6.3;
* @assertion: Operator x - y produces the same result as x + (-y);
* @description: The mathematical difference of two nonzero finite values of the same magnitude and same sign is +0;
*/
// Converted for Test262 from original Sputnik source
ES5Harness.registerTest( {
id: "S11.6.2_A4_T7",
path: "TestCases/11_Expressions/11.6_Additive_Operators/11.6.2_The_Subtraction_operator/S11.6.2_A4_T7.js",
assertion: "Operator x - y produces the same result as x + (-y)",
description: "The mathematical difference of two nonzero finite values of the same magnitude and same sign is +0",
test: function testcase() {
//CHECK#1
if (Number.MIN_VALUE - Number.MIN_VALUE !== +0) {
$ERROR('#1.1: Number.MIN_VALUE - Number.MIN_VALUE === 0. Actual: ' + (Number.MIN_VALUE - Number.MIN_VALUE));
} else {
if (1 / (Number.MIN_VALUE - Number.MIN_VALUE) !== Number.POSITIVE_INFINITY) {
$ERROR('#1.2: Number.MIN_VALUE - Number.MIN_VALUE === + 0. Actual: -0');
}
}
//CHECK#2
if (-Number.MAX_VALUE - -Number.MAX_VALUE !== +0) {
$ERROR('#2.2: -Number.MAX_VALUE - -Number.MAX_VALUE === 0. Actual: ' + (-Number.MAX_VALUE - -Number.MAX_VALUE));
} else {
if (1 / (-Number.MAX_VALUE - -Number.MAX_VALUE) !== Number.POSITIVE_INFINITY) {
$ERROR('#2.1: -Number.MAX_VALUE - -Number.MAX_VALUE === + 0. Actual: -0');
}
}
//CHECK#3
if (1 / Number.MAX_VALUE - 1 / Number.MAX_VALUE !== +0) {
$ERROR('#3.1: 1 / Number.MAX_VALUE - 1 / Number.MAX_VALUE === 0. Actual: ' + (1 / Number.MAX_VALUE - 1 / Number.MAX_VALUE));
} else {
if (1 / (1 / Number.MAX_VALUE - 1 / Number.MAX_VALUE) !== Number.POSITIVE_INFINITY) {
$ERROR('#3.2: 1 / Number.MAX_VALUE - 1 / Number.MAX_VALUE === + 0. Actual: -0');
}
}
}
});
|
