js/src/tests/test262/ch11/11.6/11.6.2/S11.6.2_A4_T7.js

branch
TOR_BUG_3246
changeset 6
8bccb770b82d
equal deleted inserted replaced
-1:000000000000 0:5c8e8d0eb60b
1 // Copyright 2009 the Sputnik authors. All rights reserved.
2 // This code is governed by the BSD license found in the LICENSE file.
3
4 /**
5 * Operator x - y produces the same result as x + (-y)
6 *
7 * @path ch11/11.6/11.6.2/S11.6.2_A4_T7.js
8 * @description The mathematical difference of two nonzero finite values of the same magnitude and same sign is +0
9 */
10
11 //CHECK#1
12 if (Number.MIN_VALUE - Number.MIN_VALUE !== +0) {
13 $ERROR('#1.1: Number.MIN_VALUE - Number.MIN_VALUE === 0. Actual: ' + (Number.MIN_VALUE - Number.MIN_VALUE));
14 } else {
15 if (1 / (Number.MIN_VALUE - Number.MIN_VALUE) !== Number.POSITIVE_INFINITY) {
16 $ERROR('#1.2: Number.MIN_VALUE - Number.MIN_VALUE === + 0. Actual: -0');
17 }
18 }
19
20 //CHECK#2
21 if (-Number.MAX_VALUE - -Number.MAX_VALUE !== +0) {
22 $ERROR('#2.2: -Number.MAX_VALUE - -Number.MAX_VALUE === 0. Actual: ' + (-Number.MAX_VALUE - -Number.MAX_VALUE));
23 } else {
24 if (1 / (-Number.MAX_VALUE - -Number.MAX_VALUE) !== Number.POSITIVE_INFINITY) {
25 $ERROR('#2.1: -Number.MAX_VALUE - -Number.MAX_VALUE === + 0. Actual: -0');
26 }
27 }
28
29 //CHECK#3
30 if (1 / Number.MAX_VALUE - 1 / Number.MAX_VALUE !== +0) {
31 $ERROR('#3.1: 1 / Number.MAX_VALUE - 1 / Number.MAX_VALUE === 0. Actual: ' + (1 / Number.MAX_VALUE - 1 / Number.MAX_VALUE));
32 } else {
33 if (1 / (1 / Number.MAX_VALUE - 1 / Number.MAX_VALUE) !== Number.POSITIVE_INFINITY) {
34 $ERROR('#3.2: 1 / Number.MAX_VALUE - 1 / Number.MAX_VALUE === + 0. Actual: -0');
35 }
36 }
37

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