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208 lines
7.0 KiB
JavaScript
208 lines
7.0 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 = '15.1.2.5-3.js';
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/**
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File Name: 15.1.2.5-3.js
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ECMA Section: 15.1.2.5 Function properties of the global object
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unescape( string )
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Description:
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This tests the cases where one of the four characters following "%u" is
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not a hexidecimal character, or one of the two characters following "%"
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or "%u" is not a hexidecimal character.
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The unescape function computes a new version of a string value in which
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each escape sequences of the sort that might be introduced by the escape
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function is replaced with the character that it represents.
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When the unescape function is called with one argument string, the
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following steps are taken:
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1. Call ToString(string).
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2. Compute the number of characters in Result(1).
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3. Let R be the empty string.
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4. Let k be 0.
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5. If k equals Result(2), return R.
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6. Let c be the character at position k within Result(1).
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7. If c is not %, go to step 18.
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8. If k is greater than Result(2)-6, go to step 14.
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9. If the character at position k+1 within result(1) is not u, go to step
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14.
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10. If the four characters at positions k+2, k+3, k+4, and k+5 within
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Result(1) are not all hexadecimal digits, go to step 14.
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11. Let c be the character whose Unicode encoding is the integer represented
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by the four hexadecimal digits at positions k+2, k+3, k+4, and k+5
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within Result(1).
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12. Increase k by 5.
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13. Go to step 18.
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14. If k is greater than Result(2)-3, go to step 18.
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15. If the two characters at positions k+1 and k+2 within Result(1) are not
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both hexadecimal digits, go to step 18.
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16. Let c be the character whose Unicode encoding is the integer represented
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by two zeroes plus the two hexadecimal digits at positions k+1 and k+2
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within Result(1).
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17. Increase k by 2.
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18. Let R be a new string value computed by concatenating the previous value
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of R and c.
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19. Increase k by 1.
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20. Go to step 5.
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Author: christine@netscape.com
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Date: 28 october 1997
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*/
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var SECTION = "15.1.2.5-3";
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var VERSION = "ECMA_1";
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startTest();
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var TITLE = "unescape(string)";
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writeHeaderToLog( SECTION + " "+ TITLE);
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for ( var CHARCODE = 0, NONHEXCHARCODE = 0; CHARCODE < 256; CHARCODE++, NONHEXCHARCODE++ ) {
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NONHEXCHARCODE = getNextNonHexCharCode( NONHEXCHARCODE );
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new TestCase( SECTION,
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"unescape( %"+ (ToHexString(CHARCODE)).substring(0,1) +
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String.fromCharCode( NONHEXCHARCODE ) +" )" +
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"[where last character is String.fromCharCode("+NONHEXCHARCODE+")]",
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"%"+(ToHexString(CHARCODE)).substring(0,1)+
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String.fromCharCode( NONHEXCHARCODE ),
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unescape( "%" + (ToHexString(CHARCODE)).substring(0,1)+
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String.fromCharCode( NONHEXCHARCODE ) ) );
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}
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for ( var CHARCODE = 0, NONHEXCHARCODE = 0; CHARCODE < 256; CHARCODE++, NONHEXCHARCODE++ ) {
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NONHEXCHARCODE = getNextNonHexCharCode( NONHEXCHARCODE );
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new TestCase( SECTION,
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"unescape( %u"+ (ToHexString(CHARCODE)).substring(0,1) +
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String.fromCharCode( NONHEXCHARCODE ) +" )" +
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"[where last character is String.fromCharCode("+NONHEXCHARCODE+")]",
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"%u"+(ToHexString(CHARCODE)).substring(0,1)+
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String.fromCharCode( NONHEXCHARCODE ),
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unescape( "%u" + (ToHexString(CHARCODE)).substring(0,1)+
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String.fromCharCode( NONHEXCHARCODE ) ) );
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}
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for ( var CHARCODE = 0, NONHEXCHARCODE = 0 ; CHARCODE < 65536; CHARCODE+= 54321, NONHEXCHARCODE++ ) {
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NONHEXCHARCODE = getNextNonHexCharCode( NONHEXCHARCODE );
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new TestCase( SECTION,
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"unescape( %u"+ (ToUnicodeString(CHARCODE)).substring(0,3) +
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String.fromCharCode( NONHEXCHARCODE ) +" )" +
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"[where last character is String.fromCharCode("+NONHEXCHARCODE+")]",
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String.fromCharCode(eval("0x"+ (ToUnicodeString(CHARCODE)).substring(0,2))) +
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(ToUnicodeString(CHARCODE)).substring(2,3) +
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String.fromCharCode( NONHEXCHARCODE ),
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unescape( "%" + (ToUnicodeString(CHARCODE)).substring(0,3)+
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String.fromCharCode( NONHEXCHARCODE ) ) );
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}
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test();
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function getNextNonHexCharCode( n ) {
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for ( ; n < Math.pow(2,16); n++ ) {
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if ( ( n == 43 || n == 45 || n == 46 || n == 47 ||
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(n >= 71 && n <= 90) || (n >= 103 && n <= 122) ||
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n == 64 || n == 95 ) ) {
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break;
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} else {
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n = ( n > 122 ) ? 0 : n;
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}
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}
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return n;
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}
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function ToUnicodeString( n ) {
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var string = ToHexString(n);
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for ( var PAD = (4 - string.length ); PAD > 0; PAD-- ) {
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string = "0" + string;
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}
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return string;
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}
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function ToHexString( n ) {
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var hex = new Array();
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for ( var mag = 1; Math.pow(16,mag) <= n ; mag++ ) {
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;
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}
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for ( index = 0, mag -= 1; mag > 0; index++, mag-- ) {
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hex[index] = Math.floor( n / Math.pow(16,mag) );
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n -= Math.pow(16,mag) * Math.floor( n/Math.pow(16,mag) );
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}
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hex[hex.length] = n % 16;
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var string ="";
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for ( var index = 0 ; index < hex.length ; index++ ) {
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switch ( hex[index] ) {
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case 10:
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string += "A";
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break;
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case 11:
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string += "B";
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break;
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case 12:
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string += "C";
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break;
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case 13:
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string += "D";
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break;
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case 14:
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string += "E";
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break;
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case 15:
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string += "F";
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break;
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default:
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string += hex[index];
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}
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}
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if ( string.length == 1 ) {
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string = "0" + string;
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}
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return string;
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}
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