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206 lines
7.6 KiB
JavaScript
206 lines
7.6 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 = '15.1.2.4.js';
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/**
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File Name: 15.1.2.4.js
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ECMA Section: 15.1.2.4 Function properties of the global object
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escape( string )
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Description:
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The escape function computes a new version of a string value in which
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certain characters have been replaced by a hexadecimal escape sequence.
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The result thus contains no special characters that might have special
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meaning within a URL.
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For characters whose Unicode encoding is 0xFF or less, a two-digit
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escape sequence of the form %xx is used in accordance with RFC1738.
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For characters whose Unicode encoding is greater than 0xFF, a four-
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digit escape sequence of the form %uxxxx is used.
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When the escape 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. Get the character at position k within Result(1).
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7. If Result(6) is one of the 69 nonblank ASCII characters
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ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
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0123456789 @*_+-./, go to step 14.
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8. Compute the 16-bit unsigned integer that is the Unicode character
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encoding of Result(6).
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9. If Result(8), is less than 256, go to step 12.
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10. Let S be a string containing six characters "%uwxyz" where wxyz are
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four hexadecimal digits encoding the value of Result(8).
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11. Go to step 15.
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12. Let S be a string containing three characters "%xy" where xy are two
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hexadecimal digits encoding the value of Result(8).
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13. Go to step 15.
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14. Let S be a string containing the single character Result(6).
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15. Let R be a new string value computed by concatenating the previous value
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of R and S.
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16. Increase k by 1.
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17. 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 = "15.1.2.4";
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var VERSION = "ECMA_1";
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startTest();
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var TITLE = "escape(string)";
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writeHeaderToLog( SECTION + " "+ TITLE);
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new TestCase( SECTION, "escape.length", 1, escape.length );
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new TestCase( SECTION, "escape.length = null; escape.length", 1, eval("escape.length = null; escape.length") );
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new TestCase( SECTION, "delete escape.length", false, delete escape.length );
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new TestCase( SECTION, "delete escape.length; escape.length", 1, eval("delete escape.length; escape.length") );
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new TestCase( SECTION, "var MYPROPS=''; for ( var p in escape ) { MYPROPS+= p}; MYPROPS", "prototype", eval("var MYPROPS=''; for ( var p in escape ) { MYPROPS+= p}; MYPROPS") );
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new TestCase( SECTION, "escape()", "undefined", escape() );
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new TestCase( SECTION, "escape('')", "", escape('') );
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new TestCase( SECTION, "escape( null )", "null", escape(null) );
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new TestCase( SECTION, "escape( void 0 )", "undefined", escape(void 0) );
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new TestCase( SECTION, "escape( true )", "true", escape( true ) );
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new TestCase( SECTION, "escape( false )", "false", escape( false ) );
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new TestCase( SECTION, "escape( new Boolean(true) )", "true", escape(new Boolean(true)) );
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new TestCase( SECTION, "escape( new Boolean(false) )", "false", escape(new Boolean(false)) );
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new TestCase( SECTION, "escape( Number.NaN )", "NaN", escape(Number.NaN) );
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new TestCase( SECTION, "escape( -0 )", "0", escape( -0 ) );
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new TestCase( SECTION, "escape( 'Infinity' )", "Infinity", escape( "Infinity" ) );
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new TestCase( SECTION, "escape( Number.POSITIVE_INFINITY )", "Infinity", escape( Number.POSITIVE_INFINITY ) );
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new TestCase( SECTION, "escape( Number.NEGATIVE_INFINITY )", "-Infinity", escape( Number.NEGATIVE_INFINITY ) );
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var ASCII_TEST_STRING = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789@*_+-./";
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new TestCase( SECTION, "escape( " +ASCII_TEST_STRING+" )", ASCII_TEST_STRING, escape( ASCII_TEST_STRING ) );
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// ASCII value less than
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for ( var CHARCODE = 0; CHARCODE < 32; CHARCODE++ ) {
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new TestCase( SECTION,
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"escape(String.fromCharCode("+CHARCODE+"))",
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"%"+ToHexString(CHARCODE),
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escape(String.fromCharCode(CHARCODE)) );
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}
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for ( var CHARCODE = 128; CHARCODE < 256; CHARCODE++ ) {
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new TestCase( SECTION,
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"escape(String.fromCharCode("+CHARCODE+"))",
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"%"+ToHexString(CHARCODE),
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escape(String.fromCharCode(CHARCODE)) );
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}
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for ( var CHARCODE = 256; CHARCODE < 1024; CHARCODE++ ) {
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new TestCase( SECTION,
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"escape(String.fromCharCode("+CHARCODE+"))",
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"%u"+ ToUnicodeString(CHARCODE),
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escape(String.fromCharCode(CHARCODE)) );
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}
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for ( var CHARCODE = 65500; CHARCODE < 65536; CHARCODE++ ) {
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new TestCase( SECTION,
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"escape(String.fromCharCode("+CHARCODE+"))",
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"%u"+ ToUnicodeString(CHARCODE),
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escape(String.fromCharCode(CHARCODE)) );
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}
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test();
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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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