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125 lines
4.1 KiB
JavaScript
125 lines
4.1 KiB
JavaScript
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Communicator client code, released
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* March 31, 1998.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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gTestfile = 'slice.js';
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/**
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Filename: slice.js
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Description: 'This tests the String object method: slice'
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Author: Nick Lerissa
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Date: Fri Feb 13 09:58:28 PST 1998
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*/
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var SECTION = 'As described in Netscape doc "Whats new in JavaScript 1.2"';
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var VERSION = 'no version';
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startTest();
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var TITLE = 'String.slice';
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writeHeaderToLog('Executing script: slice.js');
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writeHeaderToLog( SECTION + " "+ TITLE);
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var a = new String("abcdefghijklmnopqrstuvwxyz1234567890");
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var b = new String("this is a test string");
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exhaustiveStringSliceTest("exhaustive String.slice test 1", a);
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exhaustiveStringSliceTest("exhaustive String.slice test 2", b);
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test();
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function myStringSlice(a, from, to)
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{
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var from2 = from;
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var to2 = to;
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var returnString = new String("");
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var i;
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if (from2 < 0) from2 = a.length + from;
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if (to2 < 0) to2 = a.length + to;
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if ((to2 > from2)&&(to2 > 0)&&(from2 < a.length))
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{
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if (from2 < 0) from2 = 0;
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if (to2 > a.length) to2 = a.length;
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for (i = from2; i < to2; ++i) returnString += a.charAt(i);
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}
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return returnString;
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}
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// This function tests the slice command on a String
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// passed in. The arguments passed into slice range in
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// value from -5 to the length of the array + 4. Every
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// combination of the two arguments is tested. The expected
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// result of the slice(...) method is calculated and
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// compared to the actual result from the slice(...) method.
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// If the Strings are not similar false is returned.
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function exhaustiveStringSliceTest(testname, a)
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{
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var x = 0;
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var y = 0;
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var errorMessage;
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var reason = "";
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var passed = true;
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for (x = -(2 + a.length); x <= (2 + a.length); x++)
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for (y = (2 + a.length); y >= -(2 + a.length); y--)
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{
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var b = a.slice(x,y);
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var c = myStringSlice(a,x,y);
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if (String(b) != String(c))
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{
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errorMessage =
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"ERROR: 'TEST FAILED' ERROR: 'TEST FAILED' ERROR: 'TEST FAILED'\n" +
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" test: " + "a.slice(" + x + "," + y + ")\n" +
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" a: " + String(a) + "\n" +
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" actual result: " + String(b) + "\n" +
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" expected result: " + String(c) + "\n";
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writeHeaderToLog(errorMessage);
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reason = reason + errorMessage;
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passed = false;
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}
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}
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var testCase = new TestCase(SECTION, testname, true, passed);
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if (passed == false)
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testCase.reason = reason;
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return testCase;
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}
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