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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /js/src/tests/ecma/Array/15.4.1.2.js | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
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Add m-esr52 at 52.6.0
Diffstat (limited to 'js/src/tests/ecma/Array/15.4.1.2.js')
-rw-r--r-- | js/src/tests/ecma/Array/15.4.1.2.js | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/js/src/tests/ecma/Array/15.4.1.2.js b/js/src/tests/ecma/Array/15.4.1.2.js new file mode 100644 index 000000000..08e3c0d77 --- /dev/null +++ b/js/src/tests/ecma/Array/15.4.1.2.js @@ -0,0 +1,128 @@ +/* -*- 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: 15.4.1.2.js + ECMA Section: 15.4.1.2 Array(len) + + Description: When Array is called as a function rather than as a + constructor, it creates and initializes a new array + object. Thus, the function call Array(...) is + equivalent to the object creationi new Array(...) with + the same arguments. + + An array is created and returned as if by the + expression new Array(len). + + Author: christine@netscape.com + Date: 7 october 1997 +*/ +var SECTION = "15.4.1.2"; +var VERSION = "ECMA_1"; +startTest(); +var TITLE = "Array Constructor Called as a Function: Array(len)"; + +writeHeaderToLog( SECTION + " "+ TITLE); + +new TestCase( SECTION, + "(Array()).length", + 0, + (Array()).length ); + +new TestCase( SECTION, + "(Array(0)).length", + 0, + (Array(0)).length ); + +new TestCase( SECTION, + "(Array(1)).length", + 1, + (Array(1)).length ); + +new TestCase( SECTION, + "(Array(10)).length", + 10, + (Array(10)).length ); + +new TestCase( SECTION, + "(Array('1')).length", + 1, + (Array('1')).length ); + +new TestCase( SECTION, + "(Array(1000)).length", + 1000, + (Array(1000)).length ); + +new TestCase( SECTION, + "(Array('1000')).length", + 1, + (Array('1000')).length ); + +new TestCase( SECTION, + "(Array(4294967295)).length", + ToUint32(4294967295), + (Array(4294967295)).length ); + +new TestCase( SECTION, + "(Array(Math.pow(2,31)-1)).length", + ToUint32(Math.pow(2,31)-1), + (Array(Math.pow(2,31)-1)).length ); + +new TestCase( SECTION, + "(Array(Math.pow(2,31))).length", + ToUint32(Math.pow(2,31)), + (Array(Math.pow(2,31))).length ); + +new TestCase( SECTION, + "(Array(Math.pow(2,31)+1)).length", + ToUint32(Math.pow(2,31)+1), + (Array(Math.pow(2,31)+1)).length ); + +new TestCase( SECTION, + "(Array('8589934592')).length", + 1, + (Array("8589934592")).length ); + +new TestCase( SECTION, + "(Array('4294967296')).length", + 1, + (Array("4294967296")).length ); + +new TestCase( SECTION, + "(Array(1073741823)).length", + ToUint32(1073741823), + (Array(1073741823)).length ); + +new TestCase( SECTION, + "(Array(1073741824)).length", + ToUint32(1073741824), + (Array(1073741824)).length ); + +new TestCase( SECTION, + "(Array('a string')).length", + 1, + (Array("a string")).length ); + +test(); + +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 ); +} |