mirror of https://github.com/tc39/test262.git
57 lines
1.6 KiB
JavaScript
57 lines
1.6 KiB
JavaScript
// Copyright 2009 the Sputnik authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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info: >
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Result of number conversion from number value equals to the input
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argument (no conversion)
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es5id: 9.3_A4.2_T1
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description: >
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Number.NaN, +0, -0, Number.POSITIVE_INFINITY,
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Number.NEGATIVE_INFINITY, Number.MAX_VALUE and Number.MIN_VALUE
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convert to Number by explicit transformation
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---*/
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// CHECK#1
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if (isNaN(Number(Number.NaN)) !== true) {
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$ERROR('#1: Number(NaN) === Not-a-Number. Actual: ' + (Number(NaN)));
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}
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// CHECK#2
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if (Number(+0) !== +0) {
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$ERROR('#2.1: Number(+0) === 0. Actual: ' + (Number(+0)));
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} else {
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if (1/Number(+0) !== Number.POSITIVE_INFINITY) {
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$ERROR('#2.2: Number(+0) === +0. Actual: -0');
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}
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}
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// CHECK#3
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if (Number(-0) !== -0) {
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$ERROR('#3.1: Number(-0) === 0. Actual: ' + (Number(-0)));
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} else {
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if (1/Number(-0) !== Number.NEGATIVE_INFINITY) {
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$ERROR('#3.2: Number(-0) === -0. Actual: +0');
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}
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}
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// CHECK#4
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if (Number(Number.POSITIVE_INFINITY) !== Number.POSITIVE_INFINITY) {
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$ERROR('#4: Number(+Infinity) === +Infinity. Actual: ' + (Number(+Infinity)));
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}
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// CHECK#5
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if (Number(Number.NEGATIVE_INFINITY) !== Number.NEGATIVE_INFINITY) {
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$ERROR('#5: Number(-Infinity) === -Infinity. Actual: ' + (Number(-Infinity)));
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}
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// CHECK#6
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if (Number(Number.MAX_VALUE) !== Number.MAX_VALUE) {
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$ERROR('#6: Number(Number.MAX_VALUE) === Number.MAX_VALUE. Actual: ' + (Number(Number.MAX_VALUE)));
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}
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// CHECK#7
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if (Number(Number.MIN_VALUE) !== Number.MIN_VALUE) {
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$ERROR('#7: Number(Number.MIN_VALUE) === Number.MIN_VALUE. Actual: ' + (Number(Number.MIN_VALUE)));
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}
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