mirror of https://github.com/tc39/test262.git
51 lines
1.6 KiB
JavaScript
51 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: If value is NaN, +0, -0, +Infinity, or -Infinity, return +0
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es5id: 9.5_A1_T1
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description: For testing use operator <<0
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---*/
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// CHECK#1
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if ((Number.NaN << 0) !== +0) {
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$ERROR('#1.1: (Number.NaN << 0) === 0. Actual: ' + ((Number.NaN << 0)));
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} else if (1/(Number.NaN << 0) !== Number.POSITIVE_INFINITY) {
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$ERROR('#1.2: (Number.NaN << 0) === +0. Actual: -0');
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}
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// CHECK#2
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if ((Number("abc") << 0) !== +0) {
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$ERROR('#2.1: (Number("abc") << 0) === 0. Actual: ' + ((Number("abc") << 0)));
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} else if (1/(0 << 0) !== Number.POSITIVE_INFINITY) {
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$ERROR('#2.2: (0 << 0) === +0. Actual: -0');
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}
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// CHECK#3
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if ((0 << 0) !== +0) {
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$ERROR('#3.1: (0 << 0) === 0. Actual: ' + ((0 << 0)));
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} else if (1/(0 << 0) !== Number.POSITIVE_INFINITY) {
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$ERROR('#3.2: (0 << 0) === +0. Actual: -0');
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}
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// CHECK#4
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if ((-0 << 0) !== +0) {
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$ERROR("#4.1: (-0 << 0) === 0");
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} else if (1/(-0 << 0) !== Number.POSITIVE_INFINITY) {
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$ERROR("#4.2: (-0 << 0) === +0. Actual: -0");
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}
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// CHECK#5
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if ((Number.POSITIVE_INFINITY << 0) !== +0) {
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$ERROR('#5.1: (Number.POSITIVE_INFINITY << 0) === 0. Actual: ' + ((Number.POSITIVE_INFINITY << 0)));
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} else if (1/(Number.POSITIVE_INFINITY << 0) !== Number.POSITIVE_INFINITY) {
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$ERROR('#5.2: (Number.POSITIVE_INFINITY << 0) === +0. Actual: -0');
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}
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// CHECK#6
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if ((Number.NEGATIVE_INFINITY << 0) !== +0) {
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$ERROR("#6.1: (Number.NEGATIVE_INFINITY << 0) === 0");
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} else if (1/(Number.NEGATIVE_INFINITY << 0) !== Number.POSITIVE_INFINITY) {
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$ERROR("#6.2: (Number.NEGATIVE_INFINITY << 0) === +0. Actual: -0");
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}
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