// Copyright 2009 the Sputnik authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /** * If value is NaN, +0, -0, +Infinity, or -Infinity, return +0 * * @path ch09/9.5/S9.5_A1_T1.js * @description For testing use operator <<0 */ // CHECK#1 if ((Number.NaN << 0) !== +0) { $ERROR('#1.1: (Number.NaN << 0) === 0. Actual: ' + ((Number.NaN << 0))); } else if (1/(Number.NaN << 0) !== Number.POSITIVE_INFINITY) { $ERROR('#1.2: (Number.NaN << 0) === +0. Actual: -0'); } // CHECK#2 if ((Number("abc") << 0) !== +0) { $ERROR('#2.1: (Number("abc") << 0) === 0. Actual: ' + ((Number("abc") << 0))); } else if (1/(0 << 0) !== Number.POSITIVE_INFINITY) { $ERROR('#2.2: (0 << 0) === +0. Actual: -0'); } // CHECK#3 if ((0 << 0) !== +0) { $ERROR('#3.1: (0 << 0) === 0. Actual: ' + ((0 << 0))); } else if (1/(0 << 0) !== Number.POSITIVE_INFINITY) { $ERROR('#3.2: (0 << 0) === +0. Actual: -0'); } // CHECK#4 if ((-0 << 0) !== +0) { $ERROR("#4.1: (-0 << 0) === 0"); } else if (1/(-0 << 0) !== Number.POSITIVE_INFINITY) { $ERROR("#4.2: (-0 << 0) === +0. Actual: -0"); } // CHECK#5 if ((Number.POSITIVE_INFINITY << 0) !== +0) { $ERROR('#5.1: (Number.POSITIVE_INFINITY << 0) === 0. Actual: ' + ((Number.POSITIVE_INFINITY << 0))); } else if (1/(Number.POSITIVE_INFINITY << 0) !== Number.POSITIVE_INFINITY) { $ERROR('#5.2: (Number.POSITIVE_INFINITY << 0) === +0. Actual: -0'); } // CHECK#6 if ((Number.NEGATIVE_INFINITY << 0) !== +0) { $ERROR("#6.1: (Number.NEGATIVE_INFINITY << 0) === 0"); } else if (1/(Number.NEGATIVE_INFINITY << 0) !== Number.POSITIVE_INFINITY) { $ERROR("#6.2: (Number.NEGATIVE_INFINITY << 0) === +0. Actual: -0"); }