mozilla-central/js/src/tests/non262/Math/15.8.2.7.js

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/* -*- tab-width: 2; indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/**
File Name: 15.8.2.7.js
ECMA Section: 15.8.2.7 cos( x )
Description: return an approximation to the cosine of the
argument. argument is expressed in radians
Author: christine@netscape.com
Date: 7 july 1997
*/
var SECTION = "15.8.2.7";
var TITLE = "Math.cos(x)";
writeHeaderToLog( SECTION + " "+ TITLE);
new TestCase(
"Math.cos.length",
1,
Math.cos.length );
new TestCase(
"Math.cos()",
Number.NaN,
Math.cos() );
new TestCase(
"Math.cos(void 0)",
Number.NaN,
Math.cos(void 0) );
new TestCase(
"Math.cos(false)",
1,
Math.cos(false) );
new TestCase(
"Math.cos(null)",
1,
Math.cos(null) );
new TestCase(
"Math.cos('0')",
1,
Math.cos('0') );
new TestCase(
"Math.cos('Infinity')",
Number.NaN,
Math.cos("Infinity") );
new TestCase(
"Math.cos('3.14159265359')",
-1,
Math.cos('3.14159265359') );
new TestCase(
"Math.cos(NaN)",
Number.NaN,
Math.cos(Number.NaN) );
new TestCase(
"Math.cos(0)",
1,
Math.cos(0) );
new TestCase(
"Math.cos(-0)",
1,
Math.cos(-0) );
new TestCase(
"Math.cos(Infinity)",
Number.NaN,
Math.cos(Number.POSITIVE_INFINITY) );
new TestCase(
"Math.cos(-Infinity)",
Number.NaN,
Math.cos(Number.NEGATIVE_INFINITY) );
new TestCase(
"Math.cos(0.7853981633974)",
0.7071067811865,
Math.cos(0.7853981633974) );
new TestCase(
"Math.cos(1.570796326795)",
0,
Math.cos(1.570796326795) );
new TestCase(
"Math.cos(2.356194490192)",
-0.7071067811865,
Math.cos(2.356194490192) );
new TestCase(
"Math.cos(3.14159265359)",
-1,
Math.cos(3.14159265359) );
new TestCase(
"Math.cos(3.926990816987)",
-0.7071067811865,
Math.cos(3.926990816987) );
new TestCase(
"Math.cos(4.712388980385)",
0,
Math.cos(4.712388980385) );
new TestCase(
"Math.cos(5.497787143782)",
0.7071067811865,
Math.cos(5.497787143782) );
new TestCase(
"Math.cos(Math.PI*2)",
1,
Math.cos(Math.PI*2) );
new TestCase(
"Math.cos(Math.PI/4)",
Math.SQRT2/2,
Math.cos(Math.PI/4) );
new TestCase(
"Math.cos(Math.PI/2)",
0,
Math.cos(Math.PI/2) );
new TestCase(
"Math.cos(3*Math.PI/4)",
-Math.SQRT2/2,
Math.cos(3*Math.PI/4) );
new TestCase(
"Math.cos(Math.PI)",
-1,
Math.cos(Math.PI) );
new TestCase(
"Math.cos(5*Math.PI/4)",
-Math.SQRT2/2,
Math.cos(5*Math.PI/4) );
new TestCase(
"Math.cos(3*Math.PI/2)",
0,
Math.cos(3*Math.PI/2) );
new TestCase(
"Math.cos(7*Math.PI/4)",
Math.SQRT2/2,
Math.cos(7*Math.PI/4) );
new TestCase(
"Math.cos(Math.PI*2)",
1,
Math.cos(2*Math.PI) );
new TestCase(
"Math.cos(-0.7853981633974)",
0.7071067811865,
Math.cos(-0.7853981633974) );
new TestCase(
"Math.cos(-1.570796326795)",
0,
Math.cos(-1.570796326795) );
new TestCase(
"Math.cos(-2.3561944901920)",
-.7071067811865,
Math.cos(2.3561944901920) );
new TestCase(
"Math.cos(-3.14159265359)",
-1,
Math.cos(3.14159265359) );
new TestCase(
"Math.cos(-3.926990816987)",
-0.7071067811865,
Math.cos(3.926990816987) );
new TestCase(
"Math.cos(-4.712388980385)",
0,
Math.cos(4.712388980385) );
new TestCase(
"Math.cos(-5.497787143782)",
0.7071067811865,
Math.cos(5.497787143782) );
new TestCase(
"Math.cos(-6.28318530718)",
1,
Math.cos(6.28318530718) );
new TestCase(
"Math.cos(-Math.PI/4)",
Math.SQRT2/2,
Math.cos(-Math.PI/4) );
new TestCase(
"Math.cos(-Math.PI/2)",
0,
Math.cos(-Math.PI/2) );
new TestCase(
"Math.cos(-3*Math.PI/4)",
-Math.SQRT2/2,
Math.cos(-3*Math.PI/4) );
new TestCase(
"Math.cos(-Math.PI)",
-1,
Math.cos(-Math.PI) );
new TestCase(
"Math.cos(-5*Math.PI/4)",
-Math.SQRT2/2,
Math.cos(-5*Math.PI/4) );
new TestCase(
"Math.cos(-3*Math.PI/2)",
0,
Math.cos(-3*Math.PI/2) );
new TestCase(
"Math.cos(-7*Math.PI/4)",
Math.SQRT2/2,
Math.cos(-7*Math.PI/4) );
new TestCase(
"Math.cos(-Math.PI*2)",
1,
Math.cos(-Math.PI*2) );
test();