michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: 
michael@0: /**
michael@0:    File Name:          15.8.2.5.js
michael@0:    ECMA Section:       15.8.2.5 atan2( y, x )
michael@0:    Description:
michael@0: 
michael@0:    Author:             christine@netscape.com
michael@0:    Date:               7 july 1997
michael@0: 
michael@0: */
michael@0: var SECTION = "15.8.2.5";
michael@0: var VERSION = "ECMA_1";
michael@0: var TITLE   = "Math.atan2(x,y)";
michael@0: var BUGNUMBER="76111";
michael@0: 
michael@0: startTest();
michael@0: 
michael@0: writeHeaderToLog( SECTION + " "+ TITLE);
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.atan2.length",
michael@0: 	      2,
michael@0: 	      Math.atan2.length );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.atan2(NaN, 0)",
michael@0: 	      Number.NaN,
michael@0: 	      Math.atan2(Number.NaN,0) );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.atan2(null, null)",
michael@0: 	      0,
michael@0: 	      Math.atan2(null, null) );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.atan2(void 0, void 0)",
michael@0: 	      Number.NaN,
michael@0: 	      Math.atan2(void 0, void 0) );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.atan2()",
michael@0: 	      Number.NaN,
michael@0: 	      Math.atan2() );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.atan2(0, NaN)",
michael@0: 	      Number.NaN,
michael@0: 	      Math.atan2(0,Number.NaN) );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.atan2(1, 0)",
michael@0: 	      Math.PI/2,
michael@0: 	      Math.atan2(1,0)          );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.atan2(1,-0)",
michael@0: 	      Math.PI/2,
michael@0: 	      Math.atan2(1,-0)         );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.atan2(0,0.001)",
michael@0: 	      0,
michael@0: 	      Math.atan2(0,0.001)      );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.atan2(0,0)",
michael@0: 	      0,
michael@0: 	      Math.atan2(0,0)          );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.atan2(0, -0)",
michael@0: 	      Math.PI,
michael@0: 	      Math.atan2(0,-0)         );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.atan2(0, -1)",
michael@0: 	      Math.PI,
michael@0: 	      Math.atan2(0, -1)        );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.atan2(-0, 1)",
michael@0: 	      -0,
michael@0: 	      Math.atan2(-0, 1)        );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Infinity/Math.atan2(-0, 1)",
michael@0: 	      -Infinity,
michael@0: 	      Infinity/Math.atan2(-0,1) );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.atan2(-0,	0)",
michael@0: 	      -0,
michael@0: 	      Math.atan2(-0,0)         );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.atan2(-0,	-0)",
michael@0: 	      -Math.PI,
michael@0: 	      Math.atan2(-0, -0)       );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.atan2(-0,	-1)",
michael@0: 	      -Math.PI,
michael@0: 	      Math.atan2(-0, -1)       );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.atan2(-1,	0)",
michael@0: 	      -Math.PI/2,
michael@0: 	      Math.atan2(-1, 0)        );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.atan2(-1,	-0)",
michael@0: 	      -Math.PI/2,
michael@0: 	      Math.atan2(-1, -0)       );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.atan2(1, Infinity)",
michael@0: 	      0,
michael@0: 	      Math.atan2(1, Number.POSITIVE_INFINITY) );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.atan2(1,-Infinity)", 
michael@0: 	      Math.PI,
michael@0: 	      Math.atan2(1, Number.NEGATIVE_INFINITY) );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.atan2(-1, Infinity)",
michael@0: 	      -0,
michael@0: 	      Math.atan2(-1,Number.POSITIVE_INFINITY) );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Infinity/Math.atan2(-1, Infinity)",
michael@0: 	      -Infinity, 
michael@0: 	      Infinity/Math.atan2(-1,Infinity) );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.atan2(-1,-Infinity)",
michael@0: 	      -Math.PI,
michael@0: 	      Math.atan2(-1,Number.NEGATIVE_INFINITY) );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.atan2(Infinity, 0)", 
michael@0: 	      Math.PI/2,
michael@0: 	      Math.atan2(Number.POSITIVE_INFINITY, 0) );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.atan2(Infinity, 1)", 
michael@0: 	      Math.PI/2,
michael@0: 	      Math.atan2(Number.POSITIVE_INFINITY, 1) );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.atan2(Infinity,-1)", 
michael@0: 	      Math.PI/2,
michael@0: 	      Math.atan2(Number.POSITIVE_INFINITY,-1) );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.atan2(Infinity,-0)", 
michael@0: 	      Math.PI/2,
michael@0: 	      Math.atan2(Number.POSITIVE_INFINITY,-0) );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.atan2(-Infinity, 0)",
michael@0: 	      -Math.PI/2,
michael@0: 	      Math.atan2(Number.NEGATIVE_INFINITY, 0) );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.atan2(-Infinity,-0)",
michael@0: 	      -Math.PI/2,
michael@0: 	      Math.atan2(Number.NEGATIVE_INFINITY,-0) );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.atan2(-Infinity, 1)",
michael@0: 	      -Math.PI/2,
michael@0: 	      Math.atan2(Number.NEGATIVE_INFINITY, 1) );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.atan2(-Infinity, -1)",
michael@0: 	      -Math.PI/2,
michael@0: 	      Math.atan2(Number.NEGATIVE_INFINITY,-1) );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.atan2(Infinity, Infinity)",
michael@0: 	      Math.PI/4,
michael@0: 	      Math.atan2(Number.POSITIVE_INFINITY, Number.POSITIVE_INFINITY) );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.atan2(Infinity, -Infinity)", 
michael@0: 	      3*Math.PI/4,
michael@0: 	      Math.atan2(Number.POSITIVE_INFINITY, Number.NEGATIVE_INFINITY) );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.atan2(-Infinity, Infinity)", 
michael@0: 	      -Math.PI/4,
michael@0: 	      Math.atan2(Number.NEGATIVE_INFINITY, Number.POSITIVE_INFINITY) );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.atan2(-Infinity, -Infinity)",
michael@0: 	      -3*Math.PI/4,
michael@0: 	      Math.atan2(Number.NEGATIVE_INFINITY, Number.NEGATIVE_INFINITY) );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.atan2(-1, 1)",
michael@0: 	      -Math.PI/4,
michael@0: 	      Math.atan2( -1, 1) );
michael@0: 
michael@0: test();