| // Copyright 2009 the Sputnik authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| info: | |
| Result of number conversion from number value equals to the input |
| argument (no conversion) |
| es5id: 9.3_A4.2_T2 |
| description: > |
| Number.NaN, +0, -0, Number.POSITIVE_INFINITY, |
| Number.NEGATIVE_INFINITY, Number.MAX_VALUE and Number.MIN_VALUE |
| convert to Number by implicit transformation |
| ---*/ |
| |
| // CHECK#1 |
| if (isNaN(+(Number.NaN)) !== true) { |
| throw new Test262Error('#1: +(NaN) === Not-a-Number. Actual: ' + (+(NaN))); |
| } |
| |
| // CHECK#2 |
| if (+(+0) !== +0) { |
| throw new Test262Error('#2.1: +(+0) === 0. Actual: ' + (+(+0))); |
| } else { |
| if (1/+(+0) !== Number.POSITIVE_INFINITY) { |
| throw new Test262Error('#2.2: +(+0) === +0. Actual: -0'); |
| } |
| } |
| |
| // CHECK#3 |
| if (+(-0) !== -0) { |
| throw new Test262Error('#3.1: +(-0) === 0. Actual: ' + (+(-0))); |
| } else { |
| if (1/+(-0) !== Number.NEGATIVE_INFINITY) { |
| throw new Test262Error('#3.2: +(-0) === -0. Actual: +0'); |
| } |
| } |
| |
| // CHECK#4 |
| if (+(Number.POSITIVE_INFINITY) !== Number.POSITIVE_INFINITY) { |
| throw new Test262Error('#4: +(+Infinity) === +Infinity. Actual: ' + (+(+Infinity))); |
| } |
| |
| // CHECK#5 |
| if (+(Number.NEGATIVE_INFINITY) !== Number.NEGATIVE_INFINITY) { |
| throw new Test262Error('#5: +(-Infinity) === -Infinity. Actual: ' + (+(-Infinity))); |
| } |
| |
| // CHECK#6 |
| if (+(Number.MAX_VALUE) !== Number.MAX_VALUE) { |
| throw new Test262Error('#6: +(Number.MAX_VALUE) === Number.MAX_VALUE. Actual: ' + (+(Number.MAX_VALUE))); |
| } |
| |
| // CHECK#7 |
| if (+(Number.MIN_VALUE) !== Number.MIN_VALUE) { |
| throw new Test262Error('#7: +(Number.MIN_VALUE) === Number.MIN_VALUE. Actual: ' + (+(Number.MIN_VALUE))); |
| } |