michael@0: // Copyright 2009 the Sputnik authors. All rights reserved. michael@0: // This code is governed by the BSD license found in the LICENSE file. michael@0: michael@0: /** michael@0: * Operator x - y produces the same result as x + (-y) michael@0: * michael@0: * @path ch11/11.6/11.6.2/S11.6.2_A4_T6.js michael@0: * @description Using the rule of sum of a zero and a nonzero finite value and the fact that a - b = a + (-b) michael@0: */ michael@0: michael@0: //CHECK#1 michael@0: if (1 - -0 !== 1 ) { michael@0: $ERROR('#1: 1 - -0 === 1. Actual: ' + (1 - -0)); michael@0: } michael@0: michael@0: //CHECK#2 michael@0: if (1 - 0 !== 1 ) { michael@0: $ERROR('#2: 1 - 0 === 1. Actual: ' + (1 - 0)); michael@0: } michael@0: michael@0: //CHECK#3 michael@0: if (-0 - 1 !== -1 ) { michael@0: $ERROR('#3: -0 - 1 === -1. Actual: ' + (-0 - 1)); michael@0: } michael@0: michael@0: //CHECK#4 michael@0: if (0 - 1 !== -1 ) { michael@0: $ERROR('#4: 0 - 1 === -1. Actual: ' + (0 - 1)); michael@0: } michael@0: michael@0: //CHECK#5 michael@0: if (Number.MAX_VALUE - -0 !== Number.MAX_VALUE ) { michael@0: $ERROR('#5: Number.MAX_VALUE - -0 === Number.MAX_VALUE. Actual: ' + (Number.MAX_VALUE - -0)); michael@0: } michael@0: michael@0: //CHECK#6 michael@0: if (Number.MAX_VALUE - 0 !== Number.MAX_VALUE ) { michael@0: $ERROR('#6: Number.MAX_VALUE - 0 === Number.MAX_VALUE. Actual: ' + (Number.MAX_VALUE - 0)); michael@0: } michael@0: michael@0: //CHECK#7 michael@0: if (-0 - Number.MIN_VALUE !== -Number.MIN_VALUE ) { michael@0: $ERROR('#7: -0 - Number.MIN_VALUE === -Number.MIN_VALUE. Actual: ' + (-0 - Number.MIN_VALUE)); michael@0: } michael@0: michael@0: //CHECK#8 michael@0: if (0 - Number.MIN_VALUE !== -Number.MIN_VALUE ) { michael@0: $ERROR('#8: 0 - Number.MIN_VALUE === -Number.MIN_VALUE. Actual: ' + (0 - Number.MIN_VALUE)); michael@0: } michael@0: