| // Copyright 2009 the Sputnik authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| info: | |
| The result of an addition is determined using the rules of IEEE 754 |
| double-precision arithmetics |
| es5id: 11.6.1_A4_T9 |
| description: > |
| The addition operator is not always associative ( x + y + z is the |
| same (x + y) + z, not x + (y + z)) |
| ---*/ |
| |
| //CHECK#1 |
| if (-Number.MAX_VALUE + Number.MAX_VALUE + Number.MAX_VALUE !== (-Number.MAX_VALUE + Number.MAX_VALUE) + Number.MAX_VALUE) { |
| $ERROR('#1: -Number.MAX_VALUE + Number.MAX_VALUE + Number.MAX_VALUE === (-Number.MAX_VALUE + Number.MAX_VALUE) + Number.MAX_VALUE. Actual: ' + (-Number.MAX_VALUE + Number.MAX_VALUE + Number.MAX_VALUE)); |
| } |
| |
| //CHECK#2 |
| if ((-Number.MAX_VALUE + Number.MAX_VALUE) + Number.MAX_VALUE === -Number.MAX_VALUE + (Number.MAX_VALUE + Number.MAX_VALUE)) { |
| $ERROR('#2: (-Number.MAX_VALUE + Number.MAX_VALUE) + Number.MAX_VALUE === -Number.MAX_VALUE + (Number.MAX_VALUE + Number.MAX_VALUE). Actual: ' + ((-Number.MAX_VALUE + Number.MAX_VALUE) + Number.MAX_VALUE)); |
| } |
| |
| //CHECK#3 |
| if ("1" + 1 + 1 !== ("1" + 1) + 1) { |
| $ERROR('#3: "1" + 1 + 1 === ("1" + 1) + 1. Actual: ' + ("1" + 1 + 1)); |
| } |
| |
| //CHECK#4 |
| if (("1" + 1) + 1 === "1" + (1 + 1)) { |
| $ERROR('#4: ("1" + 1) + 1 !== "1" + (1 + 1)'); |
| } |