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-/* 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: 15.5.4.8-3.js
- ECMA Section: 15.5.4.8 String.prototype.split( separator )
- Description:
-
- Returns an Array object into which substrings of the result of converting
- this object to a string have been stored. The substrings are determined by
- searching from left to right for occurrences of the given separator; these
- occurrences are not part of any substring in the returned array, but serve
- to divide up this string value. The separator may be a string of any length.
-
- As a special case, if the separator is the empty string, the string is split
- up into individual characters; the length of the result array equals the
- length of the string, and each substring contains one character.
-
- If the separator is not supplied, then the result array contains just one
- string, which is the string.
-
- When the split method is called with one argument separator, the following steps are taken:
-
- 1. Call ToString, giving it the this value as its argument.
- 2. Create a new Array object of length 0 and call it A.
- 3. If separator is not supplied, call the [[Put]] method of A with 0 and
- Result(1) as arguments, and then return A.
- 4. Call ToString(separator).
- 5. Compute the number of characters in Result(1).
- 6. Compute the number of characters in the string that is Result(4).
- 7. Let p be 0.
- 8. If Result(6) is zero (the separator string is empty), go to step 17.
- 9. Compute the smallest possible integer k not smaller than p such that
- k+Result(6) is not greater than Result(5), and for all nonnegative
- integers j less than Result(6), the character at position k+j of
- Result(1) is the same as the character at position j of Result(2);
- but if there is no such integer k, then go to step 14.
- 10. Compute a string value equal to the substring of Result(1), consisting
- of the characters at positions p through k1, inclusive.
- 11. Call the [[Put]] method of A with A.length and Result(10) as arguments.
- 12. Let p be k+Result(6).
- 13. Go to step 9.
- 14. Compute a string value equal to the substring of Result(1), consisting
- of the characters from position p to the end of Result(1).
- 15. Call the [[Put]] method of A with A.length and Result(14) as arguments.
- 16. Return A.
- 17. If p equals Result(5), return A.
- 18. Compute a string value equal to the substring of Result(1), consisting of
- the single character at position p.
- 19. Call the [[Put]] method of A with A.length and Result(18) as arguments.
- 20. Increase p by 1.
- 21. Go to step 17.
-
-Note that the split function is intentionally generic; it does not require that its this value be a String
-object. Therefore it can be transferred to other kinds of objects for use as a method.
-
- Author: christine@netscape.com
- Date: 12 november 1997
-*/
-
- var SECTION = "15.5.4.8-3";
- var VERSION = "ECMA_1";
- startTest();
- var TITLE = "String.prototype.split";
-
- writeHeaderToLog( SECTION + " "+ TITLE);
-
- var testcases = getTestCases();
- test();
-
-function getTestCases() {
- var array = new Array();
- var item = 0;
-
- var TEST_STRING = "";
- var EXPECT = new Array();
-
- // this.toString is the empty string.
-
- array[item++] = new TestCase( SECTION,
- "var s = new String(); s.split().length",
- 1,
- eval("var s = new String(); s.split().length") );
-
- array[item++] = new TestCase( SECTION,
- "var s = new String(); s.split()[0]",
- "",
- eval("var s = new String(); s.split()[0]") );
-
- // this.toString() is the empty string, separator is specified.
-
- array[item++] = new TestCase( SECTION,
- "var s = new String(); s.split('').length",
- 0,
- eval("var s = new String(); s.split('').length") );
-
- array[item++] = new TestCase( SECTION,
- "var s = new String(); s.split(' ').length",
- 1,
- eval("var s = new String(); s.split(' ').length") );
-
- // this to string is " "
- array[item++] = new TestCase( SECTION,
- "var s = new String(' '); s.split().length",
- 1,
- eval("var s = new String(' '); s.split().length") );
-
- array[item++] = new TestCase( SECTION,
- "var s = new String(' '); s.split()[0]",
- " ",
- eval("var s = new String(' '); s.split()[0]") );
-
- array[item++] = new TestCase( SECTION,
- "var s = new String(' '); s.split('').length",
- 1,
- eval("var s = new String(' '); s.split('').length") );
-
- array[item++] = new TestCase( SECTION,
- "var s = new String(' '); s.split('')[0]",
- " ",
- eval("var s = new String(' '); s.split('')[0]") );
-
- array[item++] = new TestCase( SECTION,
- "var s = new String(' '); s.split(' ').length",
- 2,
- eval("var s = new String(' '); s.split(' ').length") );
-
- array[item++] = new TestCase( SECTION,
- "var s = new String(' '); s.split(' ')[0]",
- "",
- eval("var s = new String(' '); s.split(' ')[0]") );
-
- array[item++] = new TestCase( SECTION,
- "\"\".split(\"\").length",
- 0,
- ("".split("")).length );
-
- array[item++] = new TestCase( SECTION,
- "\"\".split(\"x\").length",
- 1,
- ("".split("x")).length );
-
- array[item++] = new TestCase( SECTION,
- "\"\".split(\"x\")[0]",
- "",
- ("".split("x"))[0] );
-
- return array;
-}
-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 Split( string, separator ) {
- string = String( string );
-
- var A = new Array();
-
- if ( arguments.length < 2 ) {
- A[0] = string;
- return A;
- }
-
- separator = String( separator );
-
- var str_len = String( string ).length;
- var sep_len = String( separator ).length;
-
- var p = 0;
- var k = 0;
-
- if ( sep_len == 0 ) {
- for ( ; p < str_len; p++ ) {
- A[A.length] = String( string.charAt(p) );
- }
- }
- return A;
-}
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