зеркало из https://github.com/mozilla/pjs.git
103 строки
6.3 KiB
JavaScript
103 строки
6.3 KiB
JavaScript
/* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS"
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* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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* License for the specific language governing rights and limitations
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* under the License.
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*
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* The Original Code is Mozilla Communicator client code, released March
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* 31, 1998.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are Copyright (C) 1998
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* Netscape Communications Corporation. All Rights Reserved.
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*
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*/
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/**
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File Name: 15.8.2.5.js
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ECMA Section: 15.8.2.5 atan2( y, x )
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Description:
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Author: christine@netscape.com
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Date: 7 july 1997
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*/
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var SECTION = "15.8.2.5";
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var VERSION = "ECMA_1";
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startTest();
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var TITLE = "Math.atan2(x,y)";
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var BUGNUMBER="76111";
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writeHeaderToLog( SECTION + " "+ TITLE);
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var testcases = getTestCases();
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test();
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function getTestCases() {
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var array = new Array();
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var item = 0;
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array[item++] = new TestCase( SECTION, "Math.atan2.length", 2, Math.atan2.length );
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array[item++] = new TestCase( SECTION, "Math.atan2(NaN, 0)", Number.NaN, Math.atan2(Number.NaN,0) );
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array[item++] = new TestCase( SECTION, "Math.atan2(null, null)", 0, Math.atan2(null, null) );
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array[item++] = new TestCase( SECTION, "Math.atan2(void 0, void 0)", Number.NaN, Math.atan2(void 0, void 0) );
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array[item++] = new TestCase( SECTION, "Math.atan2()", Number.NaN, Math.atan2() );
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array[item++] = new TestCase( SECTION, "Math.atan2(0, NaN)", Number.NaN, Math.atan2(0,Number.NaN) );
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array[item++] = new TestCase( SECTION, "Math.atan2(1, 0)", Math.PI/2, Math.atan2(1,0) );
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array[item++] = new TestCase( SECTION, "Math.atan2(1,-0)", Math.PI/2, Math.atan2(1,-0) );
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array[item++] = new TestCase( SECTION, "Math.atan2(0,0.001)", 0, Math.atan2(0,0.001) );
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array[item++] = new TestCase( SECTION, "Math.atan2(0,0)", 0, Math.atan2(0,0) );
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array[item++] = new TestCase( SECTION, "Math.atan2(0, -0)", Math.PI, Math.atan2(0,-0) );
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array[item++] = new TestCase( SECTION, "Math.atan2(0, -1)", Math.PI, Math.atan2(0, -1) );
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array[item++] = new TestCase( SECTION, "Math.atan2(-0, 1)", -0, Math.atan2(-0, 1) );
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array[item++] = new TestCase( SECTION, "Infinity/Math.atan2(-0, 1)", -Infinity, Infinity/Math.atan2(-0,1) );
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array[item++] = new TestCase( SECTION, "Math.atan2(-0, 0)", -0, Math.atan2(-0,0) );
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array[item++] = new TestCase( SECTION, "Math.atan2(-0, -0)", -Math.PI, Math.atan2(-0, -0) );
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array[item++] = new TestCase( SECTION, "Math.atan2(-0, -1)", -Math.PI, Math.atan2(-0, -1) );
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array[item++] = new TestCase( SECTION, "Math.atan2(-1, 0)", -Math.PI/2, Math.atan2(-1, 0) );
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array[item++] = new TestCase( SECTION, "Math.atan2(-1, -0)", -Math.PI/2, Math.atan2(-1, -0) );
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array[item++] = new TestCase( SECTION, "Math.atan2(1, Infinity)", 0, Math.atan2(1, Number.POSITIVE_INFINITY) );
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array[item++] = new TestCase( SECTION, "Math.atan2(1,-Infinity)", Math.PI, Math.atan2(1, Number.NEGATIVE_INFINITY) );
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array[item++] = new TestCase( SECTION, "Math.atan2(-1, Infinity)", -0, Math.atan2(-1,Number.POSITIVE_INFINITY) );
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array[item++] = new TestCase( SECTION, "Infinity/Math.atan2(-1, Infinity)", -Infinity, Infinity/Math.atan2(-1,Infinity) );
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array[item++] = new TestCase( SECTION, "Math.atan2(-1,-Infinity)", -Math.PI, Math.atan2(-1,Number.NEGATIVE_INFINITY) );
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array[item++] = new TestCase( SECTION, "Math.atan2(Infinity, 0)", Math.PI/2, Math.atan2(Number.POSITIVE_INFINITY, 0) );
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array[item++] = new TestCase( SECTION, "Math.atan2(Infinity, 1)", Math.PI/2, Math.atan2(Number.POSITIVE_INFINITY, 1) );
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array[item++] = new TestCase( SECTION, "Math.atan2(Infinity,-1)", Math.PI/2, Math.atan2(Number.POSITIVE_INFINITY,-1) );
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array[item++] = new TestCase( SECTION, "Math.atan2(Infinity,-0)", Math.PI/2, Math.atan2(Number.POSITIVE_INFINITY,-0) );
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array[item++] = new TestCase( SECTION, "Math.atan2(-Infinity, 0)", -Math.PI/2, Math.atan2(Number.NEGATIVE_INFINITY, 0) );
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array[item++] = new TestCase( SECTION, "Math.atan2(-Infinity,-0)", -Math.PI/2, Math.atan2(Number.NEGATIVE_INFINITY,-0) );
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array[item++] = new TestCase( SECTION, "Math.atan2(-Infinity, 1)", -Math.PI/2, Math.atan2(Number.NEGATIVE_INFINITY, 1) );
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array[item++] = new TestCase( SECTION, "Math.atan2(-Infinity, -1)", -Math.PI/2, Math.atan2(Number.NEGATIVE_INFINITY,-1) );
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array[item++] = new TestCase( SECTION, "Math.atan2(Infinity, Infinity)", Math.PI/4, Math.atan2(Number.POSITIVE_INFINITY, Number.POSITIVE_INFINITY) );
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array[item++] = new TestCase( SECTION, "Math.atan2(Infinity, -Infinity)", 3*Math.PI/4, Math.atan2(Number.POSITIVE_INFINITY, Number.NEGATIVE_INFINITY) );
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array[item++] = new TestCase( SECTION, "Math.atan2(-Infinity, Infinity)", -Math.PI/4, Math.atan2(Number.NEGATIVE_INFINITY, Number.POSITIVE_INFINITY) );
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array[item++] = new TestCase( SECTION, "Math.atan2(-Infinity, -Infinity)", -3*Math.PI/4, Math.atan2(Number.NEGATIVE_INFINITY, Number.NEGATIVE_INFINITY) );
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array[item++] = new TestCase( SECTION, "Math.atan2(-1, 1)", -Math.PI/4, Math.atan2( -1, 1) );
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return array;
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}
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function test() {
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for ( tc=0; tc < testcases.length; tc++ ) {
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testcases[tc].passed = writeTestCaseResult(
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testcases[tc].expect,
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testcases[tc].actual,
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testcases[tc].description +" = "+
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testcases[tc].actual );
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testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value ";
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}
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stopTest();
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return ( testcases );
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}
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