| keith_miller@apple.com | bcc77f2 | 2016-07-15 06:03:25 +0000 | [diff] [blame] | 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 | info: Negating +0 produces -0, negating -0 produces +0 |
| 6 | es5id: 11.4.7_A4.2 |
| 7 | description: Checking Infinity |
| 8 | ---*/ |
| 9 | |
| 10 | //CHECK#1 |
| 11 | var x = 0; |
| 12 | x = -x; |
| 13 | if (x !== -0) { |
| 14 | $ERROR('#1.1: var x = 0; x = -x; x === 0. Actual: ' + (x)); |
| 15 | } else { |
| 16 | if (1/x !== Number.NEGATIVE_INFINITY) { |
| 17 | $ERROR('#1.2: var x = 0; x = -x; x === - 0. Actual: +0'); |
| 18 | } |
| 19 | } |
| 20 | |
| 21 | //CHECK#2 |
| 22 | var x = -0; |
| 23 | x = -x; |
| 24 | if (x !== 0) { |
| 25 | $ERROR('#2.1: var x = -0; x = -x; x === 0. Actual: ' + (x)); |
| 26 | } else { |
| 27 | if (1/x !== Number.POSITIVE_INFINITY) { |
| 28 | $ERROR('#2.2: var x = -0; x = -x; x === + 0. Actual: -0'); |
| 29 | } |
| 30 | } |
