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:          15.8.2.10.js
michael@0:    ECMA Section:       15.8.2.10  Math.log(x)
michael@0:    Description:        return an approximiation to the natural logarithm of
michael@0:    the argument.
michael@0:    special cases:
michael@0:    -   if arg is NaN       result is NaN
michael@0:    -   if arg is <0        result is NaN
michael@0:    -   if arg is 0 or -0   result is -Infinity
michael@0:    -   if arg is 1         result is 0
michael@0:    -   if arg is Infinity  result is Infinity
michael@0:    Author:             christine@netscape.com
michael@0:    Date:               7 july 1997
michael@0: */
michael@0: 
michael@0: var SECTION = "15.8.2.10";
michael@0: var VERSION = "ECMA_1";
michael@0: var TITLE   = "Math.log(x)";
michael@0: var BUGNUMBER = "77391";
michael@0: 
michael@0: startTest();
michael@0: 
michael@0: writeHeaderToLog( SECTION + " "+ TITLE);
michael@0: 
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.log.length",
michael@0: 	      1,
michael@0: 	      Math.log.length );
michael@0: 
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.log()",
michael@0: 	      Number.NaN,
michael@0: 	      Math.log() );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.log(void 0)",
michael@0: 	      Number.NaN,
michael@0: 	      Math.log(void 0) );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.log(null)",
michael@0: 	      Number.NEGATIVE_INFINITY,
michael@0: 	      Math.log(null) );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.log(true)",
michael@0: 	      0,
michael@0: 	      Math.log(true) );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.log(false)",
michael@0: 	      -Infinity,
michael@0: 	      Math.log(false) );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.log('0')",
michael@0: 	      -Infinity,
michael@0: 	      Math.log('0') );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.log('1')",
michael@0: 	      0,
michael@0: 	      Math.log('1') );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.log('Infinity')",
michael@0: 	      Infinity,
michael@0: 	      Math.log("Infinity") );
michael@0: 
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.log(NaN)",
michael@0: 	      Number.NaN,
michael@0: 	      Math.log(Number.NaN) );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.log(-0.0000001)",
michael@0: 	      Number.NaN,
michael@0: 	      Math.log(-0.000001)  );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.log(-1)",
michael@0: 	      Number.NaN,
michael@0: 	      Math.log(-1)  );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.log(0)",
michael@0: 	      Number.NEGATIVE_INFINITY,
michael@0: 	      Math.log(0) );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.log(-0)",
michael@0: 	      Number.NEGATIVE_INFINITY,
michael@0: 	      Math.log(-0));
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.log(1)",
michael@0: 	      0,
michael@0: 	      Math.log(1) );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.log(Infinity)",
michael@0: 	      Number.POSITIVE_INFINITY,
michael@0: 	      Math.log(Number.POSITIVE_INFINITY) );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.log(-Infinity)",
michael@0: 	      Number.NaN,
michael@0: 	      Math.log(Number.NEGATIVE_INFINITY) );
michael@0: 
michael@0: test();