/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is Mozilla Communicator client code, released * March 31, 1998. * * The Initial Developer of the Original Code is * Netscape Communications Corporation. * Portions created by the Initial Developer are Copyright (C) 1998 * the Initial Developer. All Rights Reserved. * * Contributor(s): * * Alternatively, the contents of this file may be used under the terms of * either the GNU General Public License Version 2 or later (the "GPL"), or * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ gTestfile = '9.7.js'; /** File Name: 9.7.js ECMA Section: 9.7 Type Conversion: ToInt16 Description: rules for converting an argument to an unsigned 16 bit integer in the range 0 to 2^16-1. this test uses String.prototype.fromCharCode() and String.prototype.charCodeAt() to test ToInt16. special cases: -0 returns 0 Infinity returns 0 -Infinity returns 0 0 returns 0 Author: christine@netscape.com Date: 17 july 1997 */ var SECTION = "9.7"; var VERSION = "ECMA_1"; startTest(); writeHeaderToLog( SECTION + " Type Conversion: ToInt16"); /* new TestCase( "9.7", "String.fromCharCode(0).charCodeAt(0)", 0, String.fromCharCode(0).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(-0).charCodeAt(0)", 0, String.fromCharCode(-0).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(1).charCodeAt(0)", 1, String.fromCharCode(1).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(64).charCodeAt(0)", 64, String.fromCharCode(64).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(126).charCodeAt(0)", 126, String.fromCharCode(126).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(127).charCodeAt(0)", 127, String.fromCharCode(127).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(128).charCodeAt(0)", 128, String.fromCharCode(128).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(130).charCodeAt(0)", 130, String.fromCharCode(130).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(255).charCodeAt(0)", 255, String.fromCharCode(255).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(256).charCodeAt(0)", 256, String.fromCharCode(256).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(Math.pow(2,16)-1).charCodeAt(0)", 65535, String.fromCharCode(Math.pow(2,16)-1).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(Math.pow(2,16)).charCodeAt(0)", 0, String.fromCharCode(Math.pow(2,16)).charCodeAt(0) ); */ new TestCase( "9.7", "String.fromCharCode(0).charCodeAt(0)", ToInt16(0), String.fromCharCode(0).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(-0).charCodeAt(0)", ToInt16(0), String.fromCharCode(-0).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(1).charCodeAt(0)", ToInt16(1), String.fromCharCode(1).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(64).charCodeAt(0)", ToInt16(64), String.fromCharCode(64).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(126).charCodeAt(0)", ToInt16(126), String.fromCharCode(126).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(127).charCodeAt(0)", ToInt16(127), String.fromCharCode(127).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(128).charCodeAt(0)", ToInt16(128), String.fromCharCode(128).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(130).charCodeAt(0)", ToInt16(130), String.fromCharCode(130).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(255).charCodeAt(0)", ToInt16(255), String.fromCharCode(255).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(256).charCodeAt(0)", ToInt16(256), String.fromCharCode(256).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(Math.pow(2,16)-1).charCodeAt(0)", 65535, String.fromCharCode(Math.pow(2,16)-1).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(Math.pow(2,16)).charCodeAt(0)", 0, String.fromCharCode(Math.pow(2,16)).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(65535).charCodeAt(0)", ToInt16(65535), String.fromCharCode(65535).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(65536).charCodeAt(0)", ToInt16(65536), String.fromCharCode(65536).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(65537).charCodeAt(0)", ToInt16(65537), String.fromCharCode(65537).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(131071).charCodeAt(0)", ToInt16(131071), String.fromCharCode(131071).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(131072).charCodeAt(0)", ToInt16(131072), String.fromCharCode(131072).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(131073).charCodeAt(0)", ToInt16(131073), String.fromCharCode(131073).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode('65535').charCodeAt(0)", 65535, String.fromCharCode("65535").charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode('65536').charCodeAt(0)", 0, String.fromCharCode("65536").charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(-1).charCodeAt(0)", ToInt16(-1), String.fromCharCode(-1).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(-64).charCodeAt(0)", ToInt16(-64), String.fromCharCode(-64).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(-126).charCodeAt(0)", ToInt16(-126), String.fromCharCode(-126).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(-127).charCodeAt(0)", ToInt16(-127), String.fromCharCode(-127).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(-128).charCodeAt(0)", ToInt16(-128), String.fromCharCode(-128).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(-130).charCodeAt(0)", ToInt16(-130), String.fromCharCode(-130).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(-255).charCodeAt(0)", ToInt16(-255), String.fromCharCode(-255).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(-256).charCodeAt(0)", ToInt16(-256), String.fromCharCode(-256).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(-Math.pow(2,16)-1).charCodeAt(0)", 65535, String.fromCharCode(-Math.pow(2,16)-1).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(-Math.pow(2,16)).charCodeAt(0)", 0, String.fromCharCode(-Math.pow(2,16)).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(-65535).charCodeAt(0)", ToInt16(-65535), String.fromCharCode(-65535).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(-65536).charCodeAt(0)", ToInt16(-65536), String.fromCharCode(-65536).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(-65537).charCodeAt(0)", ToInt16(-65537), String.fromCharCode(-65537).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(-131071).charCodeAt(0)", ToInt16(-131071), String.fromCharCode(-131071).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(-131072).charCodeAt(0)", ToInt16(-131072), String.fromCharCode(-131072).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode(-131073).charCodeAt(0)", ToInt16(-131073), String.fromCharCode(-131073).charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode('-65535').charCodeAt(0)", ToInt16(-65535), String.fromCharCode("-65535").charCodeAt(0) ); new TestCase( "9.7", "String.fromCharCode('-65536').charCodeAt(0)", ToInt16(-65536), String.fromCharCode("-65536").charCodeAt(0) ); // new TestCase( "9.7", "String.fromCharCode(2147483648).charCodeAt(0)", ToInt16(2147483648), String.fromCharCode(2147483648).charCodeAt(0) ); // the following test cases cause a runtime error. see: http://scopus.mcom.com/bugsplat/show_bug.cgi?id=78878 // new TestCase( "9.7", "String.fromCharCode(Infinity).charCodeAt(0)", 0, String.fromCharCode("Infinity").charCodeAt(0) ); // new TestCase( "9.7", "String.fromCharCode(-Infinity).charCodeAt(0)", 0, String.fromCharCode("-Infinity").charCodeAt(0) ); // new TestCase( "9.7", "String.fromCharCode(NaN).charCodeAt(0)", 0, String.fromCharCode(Number.NaN).charCodeAt(0) ); // new TestCase( "9.7", "String.fromCharCode(Number.POSITIVE_INFINITY).charCodeAt(0)", 0, String.fromCharCode(Number.POSITIVE_INFINITY).charCodeAt(0) ); // new TestCase( "9.7", "String.fromCharCode(Number.NEGATIVE_INFINITY).charCodeAt(0)", 0, String.fromCharCode(Number.NEGATIVE_INFINITY).charCodeAt(0) ); test(); function ToInt16( num ) { num = Number( num ); if ( isNaN( num ) || num == 0 || num == Number.POSITIVE_INFINITY || num == Number.NEGATIVE_INFINITY ) { return 0; } var sign = ( num < 0 ) ? -1 : 1; num = sign * Math.floor( Math.abs( num ) ); num = num % Math.pow(2,16); num = ( num > -65536 && num < 0) ? 65536 + num : num; return num; }