trunc-specialVals.js (755B)
1 // Copyright 2015 Microsoft Corporation. All rights reserved. 2 // This code is governed by the license found in the LICENSE file. 3 4 /*--- 5 description: Math.trunc with sample values. 6 es6id: 20.2.2.35 7 ---*/ 8 9 assert.sameValue(Math.trunc(Number.NEGATIVE_INFINITY), Number.NEGATIVE_INFINITY, 10 "Math.trunc should produce negative infinity for Number.NEGATIVE_INFINITY"); 11 assert.sameValue(Math.trunc(Number.POSITIVE_INFINITY), Number.POSITIVE_INFINITY, 12 "Math.trunc should produce positive infinity for Number.POSITIVE_INFINITY"); 13 assert.sameValue(1 / Math.trunc(-0), Number.NEGATIVE_INFINITY, 14 "Math.trunc should produce -0 for -0"); 15 assert.sameValue(1 / Math.trunc(0), Number.POSITIVE_INFINITY, 16 "Math.trunc should produce +0 for +0"); 17 18 reportCompare(0, 0);