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Diffstat (limited to 'js/src/tests/ecma/Math/15.8.2.9.js')
| -rw-r--r-- | js/src/tests/ecma/Math/15.8.2.9.js | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/js/src/tests/ecma/Math/15.8.2.9.js b/js/src/tests/ecma/Math/15.8.2.9.js new file mode 100644 index 000000000..9fe0ab1db --- /dev/null +++ b/js/src/tests/ecma/Math/15.8.2.9.js @@ -0,0 +1,157 @@ +/* -*- 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: 15.8.2.9.js + ECMA Section: 15.8.2.9 Math.floor(x) + Description: return the greatest number value that is not greater + than the argument and is equal to a mathematical integer. + if the number is already an integer, return the number + itself. special cases: + - if x is NaN return NaN + - if x = +0 return +0 + - if x = -0 return -0 + - if x = Infinity return Infinity + - if x = -Infinity return -Infinity + - if ( -1 < x < 0 ) return -0 + also: + - the value of Math.floor(x) == -Math.ceil(-x) + Author: christine@netscape.com + Date: 7 july 1997 +*/ + +var SECTION = "15.8.2.9"; +var VERSION = "ECMA_1"; +startTest(); +var TITLE = "Math.floor(x)"; + +writeHeaderToLog( SECTION + " "+ TITLE); + +new TestCase( SECTION, + "Math.floor.length", + 1, + Math.floor.length ); + +new TestCase( SECTION, + "Math.floor()", + Number.NaN, + Math.floor() ); + +new TestCase( SECTION, + "Math.floor(void 0)", + Number.NaN, + Math.floor(void 0) ); + +new TestCase( SECTION, + "Math.floor(null)", + 0, + Math.floor(null) ); + +new TestCase( SECTION, + "Math.floor(true)", + 1, + Math.floor(true) ); + +new TestCase( SECTION, + "Math.floor(false)", + 0, + Math.floor(false) ); + +new TestCase( SECTION, + "Math.floor('1.1')", + 1, + Math.floor("1.1") ); + +new TestCase( SECTION, + "Math.floor('-1.1')", + -2, + Math.floor("-1.1") ); + +new TestCase( SECTION, + "Math.floor('0.1')", + 0, + Math.floor("0.1") ); + +new TestCase( SECTION, + "Math.floor('-0.1')", + -1, + Math.floor("-0.1") ); + +new TestCase( SECTION, + "Math.floor(NaN)", + Number.NaN, + Math.floor(Number.NaN) ); + +new TestCase( SECTION, + "Math.floor(NaN)==-Math.ceil(-NaN)", + false, + Math.floor(Number.NaN) == -Math.ceil(-Number.NaN) ); + +new TestCase( SECTION, + "Math.floor(0)", + 0, + Math.floor(0) ); + +new TestCase( SECTION, + "Math.floor(0)==-Math.ceil(-0)", + true, + Math.floor(0) == -Math.ceil(-0) ); + +new TestCase( SECTION, + "Math.floor(-0)", + -0, + Math.floor(-0) ); + +new TestCase( SECTION, + "Infinity/Math.floor(-0)", + -Infinity, + Infinity/Math.floor(-0) ); + +new TestCase( SECTION, + "Math.floor(-0)==-Math.ceil(0)", + true, + Math.floor(-0)== -Math.ceil(0) ); + +new TestCase( SECTION, + "Math.floor(Infinity)", + Number.POSITIVE_INFINITY, + Math.floor(Number.POSITIVE_INFINITY) ); + +new TestCase( SECTION, + "Math.floor(Infinity)==-Math.ceil(-Infinity)", + true, + Math.floor(Number.POSITIVE_INFINITY) == -Math.ceil(Number.NEGATIVE_INFINITY) ); + +new TestCase( SECTION, + "Math.floor(-Infinity)", + Number.NEGATIVE_INFINITY, + Math.floor(Number.NEGATIVE_INFINITY) ); + +new TestCase( SECTION, + "Math.floor(-Infinity)==-Math.ceil(Infinity)", + true, + Math.floor(Number.NEGATIVE_INFINITY) == -Math.ceil(Number.POSITIVE_INFINITY) ); + +new TestCase( SECTION, + "Math.floor(0.0000001)", + 0, + Math.floor(0.0000001) ); + +new TestCase( SECTION, + "Math.floor(0.0000001)==-Math.ceil(0.0000001)", true, + Math.floor(0.0000001)==-Math.ceil(-0.0000001) ); + +new TestCase( SECTION, + "Math.floor(-0.0000001)", + -1, + Math.floor(-0.0000001) ); + +new TestCase( SECTION, + "Math.floor(0.0000001)==-Math.ceil(0.0000001)", + true, + Math.floor(-0.0000001)==-Math.ceil(0.0000001) ); + +test(); |