18e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project/* The contents of this file are subject to the Netscape Public 28e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * License Version 1.1 (the "License"); you may not use this file 38e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * except in compliance with the License. You may obtain a copy of 48e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * the License at http://www.mozilla.org/NPL/ 58e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 68e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Software distributed under the License is distributed on an "AS 78e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or 88e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * implied. See the License for the specific language governing 98e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * rights and limitations under the License. 108e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 118e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * The Original Code is Mozilla Communicator client code, released March 128e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 31, 1998. 138e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 148e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * The Initial Developer of the Original Code is Netscape Communications 158e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Corporation. Portions created by Netscape are 168e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Copyright (C) 1998 Netscape Communications Corporation. All 178e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Rights Reserved. 188e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 198e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Contributor(s): 208e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 218e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project */ 228e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project/** 238e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project File Name: 15.8.2.15.js 248e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project ECMA Section: 15.8.2.15 Math.round(x) 258e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project Description: return the greatest number value that is closest to the 268e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project argument and is an integer. if two integers are equally 278e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project close to the argument. then the result is the number value 288e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project that is closer to Infinity. if the argument is an integer, 298e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return the argument. 308e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project special cases: 318e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project - if x is NaN return NaN 328e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project - if x = +0 return +0 338e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project - if x = -0 return -0 348e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project - if x = Infinity return Infinity 358e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project - if x = -Infinity return -Infinity 368e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project - if 0 < x < 0.5 return 0 378e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project - if -0.5 <= x < 0 return -0 388e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project example: 398e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project Math.round( 3.5 ) == 4 408e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project Math.round( -3.5 ) == 3 418e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project also: 428e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project - Math.round(x) == Math.floor( x + 0.5 ) 438e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project except if x = -0. in that case, Math.round(x) = -0 448e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 458e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project and Math.floor( x+0.5 ) = +0 468e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 478e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 488e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project Author: christine@netscape.com 498e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project Date: 7 july 1997 508e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project*/ 518e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 528e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project var SECTION = "15.8.2.15"; 538e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project var VERSION = "ECMA_1"; 548e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project startTest(); 558e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project var TITLE = "Math.round(x)"; 568e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project var BUGNUMBER="331411"; 578e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 588e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project var EXCLUDE = "true"; 598e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 608e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project writeHeaderToLog( SECTION + " "+ TITLE); 618e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 628e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project var testcases = getTestCases(); 638e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project test(); 648e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 658e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectfunction getTestCases() { 668e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project var array = new Array(); 678e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project var item = 0; 688e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 698e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project array[item++] = new TestCase( SECTION, "Math.round.length", 1, Math.round.length ); 708e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 718e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project array[item++] = new TestCase( SECTION, "Math.round()", Number.NaN, Math.round() ); 728e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project array[item++] = new TestCase( SECTION, "Math.round(null)", 0, Math.round(0) ); 738e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project array[item++] = new TestCase( SECTION, "Math.round(void 0)", Number.NaN, Math.round(void 0) ); 748e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project array[item++] = new TestCase( SECTION, "Math.round(true)", 1, Math.round(true) ); 758e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project array[item++] = new TestCase( SECTION, "Math.round(false)", 0, Math.round(false) ); 768e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project array[item++] = new TestCase( SECTION, "Math.round('.99999')", 1, Math.round('.99999') ); 778e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project array[item++] = new TestCase( SECTION, "Math.round('12345e-2')", 123, Math.round('12345e-2') ); 788e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 798e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project array[item++] = new TestCase( SECTION, "Math.round(NaN)", Number.NaN, Math.round(Number.NaN) ); 808e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project array[item++] = new TestCase( SECTION, "Math.round(0)", 0, Math.round(0) ); 818e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project array[item++] = new TestCase( SECTION, "Math.round(-0)", -0, Math.round(-0)); 828e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project array[item++] = new TestCase( SECTION, "Infinity/Math.round(-0)", -Infinity, Infinity/Math.round(-0) ); 838e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 848e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project array[item++] = new TestCase( SECTION, "Math.round(Infinity)", Number.POSITIVE_INFINITY, Math.round(Number.POSITIVE_INFINITY)); 858e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project array[item++] = new TestCase( SECTION, "Math.round(-Infinity)",Number.NEGATIVE_INFINITY, Math.round(Number.NEGATIVE_INFINITY)); 868e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project array[item++] = new TestCase( SECTION, "Math.round(0.49)", 0, Math.round(0.49)); 878e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project array[item++] = new TestCase( SECTION, "Math.round(0.5)", 1, Math.round(0.5)); 888e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project array[item++] = new TestCase( SECTION, "Math.round(0.51)", 1, Math.round(0.51)); 898e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 908e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project array[item++] = new TestCase( SECTION, "Math.round(-0.49)", -0, Math.round(-0.49)); 918e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project array[item++] = new TestCase( SECTION, "Math.round(-0.5)", -0, Math.round(-0.5)); 928e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project array[item++] = new TestCase( SECTION, "Infinity/Math.round(-0.49)", -Infinity, Infinity/Math.round(-0.49)); 938e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project array[item++] = new TestCase( SECTION, "Infinity/Math.round(-0.5)", -Infinity, Infinity/Math.round(-0.5)); 948e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 958e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project array[item++] = new TestCase( SECTION, "Math.round(-0.51)", -1, Math.round(-0.51)); 968e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project array[item++] = new TestCase( SECTION, "Math.round(3.5)", 4, Math.round(3.5)); 978e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project array[item++] = new TestCase( SECTION, "Math.round(-3.5)", -3, Math.round(-3)); 988e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 998e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return ( array ); 1008e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 1018e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectfunction test() { 1028e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project for ( tc=0; tc < testcases.length; tc++ ) { 1038e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project testcases[tc].passed = writeTestCaseResult( 1048e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project testcases[tc].expect, 1058e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project testcases[tc].actual, 1068e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project testcases[tc].description +" = "+ 1078e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project testcases[tc].actual ); 1088e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1098e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value "; 1108e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project } 1118e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project stopTest(); 1128e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return ( testcases ); 1138e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project}