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Diffstat (limited to 'Source/JavaScriptCore/tests/mozilla/ecma/TypeConversion/9.6.js')
| -rw-r--r-- | Source/JavaScriptCore/tests/mozilla/ecma/TypeConversion/9.6.js | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/tests/mozilla/ecma/TypeConversion/9.6.js b/Source/JavaScriptCore/tests/mozilla/ecma/TypeConversion/9.6.js new file mode 100644 index 0000000..c4c3bff --- /dev/null +++ b/Source/JavaScriptCore/tests/mozilla/ecma/TypeConversion/9.6.js @@ -0,0 +1,139 @@ +/* The contents of this file are subject to the Netscape Public + * License Version 1.1 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.mozilla.org/NPL/ + * + * Software distributed under the License is distributed on an "AS + * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or + * implied. See the License for the specific language governing + * rights and limitations under the License. + * + * The Original Code is Mozilla Communicator client code, released March + * 31, 1998. + * + * The Initial Developer of the Original Code is Netscape Communications + * Corporation. Portions created by Netscape are + * Copyright (C) 1998 Netscape Communications Corporation. All + * Rights Reserved. + * + * Contributor(s): + * + */ +/** + File Name: 9.6.js + ECMA Section: 9.6 Type Conversion: ToUint32 + Description: rules for converting an argument to an unsigned + 32 bit integer + + this test uses >>> 0 to convert the argument to + an unsigned 32bit integer. + + 1 call ToNumber on argument + 2 if result is NaN, 0, -0, Infinity, -Infinity + return 0 + 3 compute (sign (result(1)) * floor(abs(result 1))) + 4 compute result(3) modulo 2^32: + 5 return result(4) + + special cases: + -0 returns 0 + Infinity returns 0 + -Infinity returns 0 + 0 returns 0 + ToInt32(ToUint32(x)) == ToInt32(x) for all values of x + ** NEED TO DO THIS PART IN A SEPARATE TEST FILE ** + + + Author: christine@netscape.com + Date: 17 july 1997 +*/ + + var SECTION = "9.6"; + var VERSION = "ECMA_1"; + startTest(); + var testcases = getTestCases(); + + writeHeaderToLog( SECTION + " Type Conversion: ToUint32"); + test(); + +function test() { + for ( tc=0; tc < testcases.length; tc++ ) { + testcases[tc].passed = writeTestCaseResult( + testcases[tc].expect, + testcases[tc].actual, + testcases[tc].description +" = "+ + testcases[tc].actual ); + + testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value "; + } + stopTest(); + return ( testcases ); +} + +function ToUint32( n ) { + n = Number( n ); + var sign = ( n < 0 ) ? -1 : 1; + + if ( Math.abs( n ) == 0 || Math.abs( n ) == Number.POSITIVE_INFINITY) { + return 0; + } + n = sign * Math.floor( Math.abs(n) ) + + n = n % Math.pow(2,32); + + if ( n < 0 ){ + n += Math.pow(2,32); + } + + return ( n ); +} +function getTestCases() { + var array = new Array(); + var item = 0; + + array[item++] = new TestCase( SECTION, "0 >>> 0", 0, 0 >>> 0 ); +// array[item++] = new TestCase( SECTION, "+0 >>> 0", 0, +0 >>> 0); + array[item++] = new TestCase( SECTION, "-0 >>> 0", 0, -0 >>> 0 ); + array[item++] = new TestCase( SECTION, "'Infinity' >>> 0", 0, "Infinity" >>> 0 ); + array[item++] = new TestCase( SECTION, "'-Infinity' >>> 0", 0, "-Infinity" >>> 0); + array[item++] = new TestCase( SECTION, "'+Infinity' >>> 0", 0, "+Infinity" >>> 0 ); + array[item++] = new TestCase( SECTION, "Number.POSITIVE_INFINITY >>> 0", 0, Number.POSITIVE_INFINITY >>> 0 ); + array[item++] = new TestCase( SECTION, "Number.NEGATIVE_INFINITY >>> 0", 0, Number.NEGATIVE_INFINITY >>> 0 ); + array[item++] = new TestCase( SECTION, "Number.NaN >>> 0", 0, Number.NaN >>> 0 ); + + array[item++] = new TestCase( SECTION, "Number.MIN_VALUE >>> 0", 0, Number.MIN_VALUE >>> 0 ); + array[item++] = new TestCase( SECTION, "-Number.MIN_VALUE >>> 0", 0, Number.MIN_VALUE >>> 0 ); + array[item++] = new TestCase( SECTION, "0.1 >>> 0", 0, 0.1 >>> 0 ); + array[item++] = new TestCase( SECTION, "-0.1 >>> 0", 0, -0.1 >>> 0 ); + array[item++] = new TestCase( SECTION, "1 >>> 0", 1, 1 >>> 0 ); + array[item++] = new TestCase( SECTION, "1.1 >>> 0", 1, 1.1 >>> 0 ); + + array[item++] = new TestCase( SECTION, "-1.1 >>> 0", ToUint32(-1.1), -1.1 >>> 0 ); + array[item++] = new TestCase( SECTION, "-1 >>> 0", ToUint32(-1), -1 >>> 0 ); + + array[item++] = new TestCase( SECTION, "2147483647 >>> 0", ToUint32(2147483647), 2147483647 >>> 0 ); + array[item++] = new TestCase( SECTION, "2147483648 >>> 0", ToUint32(2147483648), 2147483648 >>> 0 ); + array[item++] = new TestCase( SECTION, "2147483649 >>> 0", ToUint32(2147483649), 2147483649 >>> 0 ); + + array[item++] = new TestCase( SECTION, "4294967295 >>> 0", ToUint32(4294967295), 4294967295 >>> 0 ); + array[item++] = new TestCase( SECTION, "4294967296 >>> 0", ToUint32(4294967296), 4294967296 >>> 0 ); + array[item++] = new TestCase( SECTION, "4294967297 >>> 0", ToUint32(4294967297), 4294967297 >>> 0 ); + + array[item++] = new TestCase( SECTION, "-2147483647 >>> 0", ToUint32(-2147483647), -2147483647 >>> 0 ); + array[item++] = new TestCase( SECTION, "-2147483648 >>> 0", ToUint32(-2147483648), -2147483648 >>> 0 ); + array[item++] = new TestCase( SECTION, "-2147483649 >>> 0", ToUint32(-2147483649), -2147483649 >>> 0 ); + + array[item++] = new TestCase( SECTION, "-4294967295 >>> 0", ToUint32(-4294967295), -4294967295 >>> 0 ); + array[item++] = new TestCase( SECTION, "-4294967296 >>> 0", ToUint32(-4294967296), -4294967296 >>> 0 ); + array[item++] = new TestCase( SECTION, "-4294967297 >>> 0", ToUint32(-4294967297), -4294967297 >>> 0 ); + + array[item++] = new TestCase( SECTION, "'2147483647' >>> 0", ToUint32(2147483647), '2147483647' >>> 0 ); + array[item++] = new TestCase( SECTION, "'2147483648' >>> 0", ToUint32(2147483648), '2147483648' >>> 0 ); + array[item++] = new TestCase( SECTION, "'2147483649' >>> 0", ToUint32(2147483649), '2147483649' >>> 0 ); + + array[item++] = new TestCase( SECTION, "'4294967295' >>> 0", ToUint32(4294967295), '4294967295' >>> 0 ); + array[item++] = new TestCase( SECTION, "'4294967296' >>> 0", ToUint32(4294967296), '4294967296' >>> 0 ); + array[item++] = new TestCase( SECTION, "'4294967297' >>> 0", ToUint32(4294967297), '4294967297' >>> 0 ); + + return ( array ); +} |