js/src/tests/test262/ch11/11.6/11.6.2/S11.6.2_A4_T5.js@8bccb770b82d (annotated)
js/src/tests/test262/ch11/11.6/11.6.2/S11.6.2_A4_T5.js
Wed, 31 Dec 2014 13:27:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 13:27:57 +0100
- branch
- TOR_BUG_3246
- changeset 6
- 8bccb770b82d
- permissions
- -rw-r--r--
Ignore runtime configuration files generated during quality assurance.
| michael@0 | 1 | // Copyright 2009 the Sputnik authors. All rights reserved. |
| michael@0 | 2 | // This code is governed by the BSD license found in the LICENSE file. |
| michael@0 | 3 | |
| michael@0 | 4 | /** |
| michael@0 | 5 | * Operator x - y produces the same result as x + (-y) |
| michael@0 | 6 | * |
| michael@0 | 7 | * @path ch11/11.6/11.6.2/S11.6.2_A4_T5.js |
| michael@0 | 8 | * @description Using the rule of sum of two zeroes and the fact that a - b = a + (-b) |
| michael@0 | 9 | */ |
| michael@0 | 10 | |
| michael@0 | 11 | //CHECK#1 |
| michael@0 | 12 | if (-0 - -0 !== 0 ) { |
| michael@0 | 13 | $ERROR('#1.1: -0 - -0 === 0. Actual: ' + (-0 - -0)); |
| michael@0 | 14 | } else { |
| michael@0 | 15 | if (1 / (-0 - -0) !== Number.POSITIVE_INFINITY) { |
| michael@0 | 16 | $ERROR('#1.2: -0 - -0 === + 0. Actual: -0'); |
| michael@0 | 17 | } |
| michael@0 | 18 | } |
| michael@0 | 19 | |
| michael@0 | 20 | //CHECK#2 |
| michael@0 | 21 | if (0 - -0 !== 0 ) { |
| michael@0 | 22 | $ERROR('#2.1: 0 - -0 === 0. Actual: ' + (0 - -0)); |
| michael@0 | 23 | } else { |
| michael@0 | 24 | if (1 / (0 - -0) !== Number.POSITIVE_INFINITY) { |
| michael@0 | 25 | $ERROR('#2.2: 0 - -0 === + 0. Actual: -0'); |
| michael@0 | 26 | } |
| michael@0 | 27 | } |
| michael@0 | 28 | |
| michael@0 | 29 | //CHECK#3 |
| michael@0 | 30 | if (-0 - 0 !== -0 ) { |
| michael@0 | 31 | $ERROR('#3.1: -0 - 0 === 0. Actual: ' + (-0 - 0)); |
| michael@0 | 32 | } else { |
| michael@0 | 33 | if (1 / (-0 - 0) !== Number.NEGATIVE_INFINITY) { |
| michael@0 | 34 | $ERROR('#3.2: -0 - 0 === - 0. Actual: +0'); |
| michael@0 | 35 | } |
| michael@0 | 36 | } |
| michael@0 | 37 | |
| michael@0 | 38 | //CHECK#4 |
| michael@0 | 39 | if (0 - 0 !== 0 ) { |
| michael@0 | 40 | $ERROR('#4.1: 0 - 0 === 0. Actual: ' + (0 - 0)); |
| michael@0 | 41 | } else { |
| michael@0 | 42 | if (1 / (0 - 0) !== Number.POSITIVE_INFINITY) { |
| michael@0 | 43 | $ERROR('#4.2: 0 - 0 === + 0. Actual: -0'); |
| michael@0 | 44 | } |
| michael@0 | 45 | } |
| michael@0 | 46 |
