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137 lines
7.1 KiB
JavaScript
137 lines
7.1 KiB
JavaScript
/* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is Mozilla Communicator client code, released March
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* 31, 1998.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*
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*/
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/**
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File Name: 15.5.4.5-3.js
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ECMA Section: 15.5.4.5 String.prototype.charCodeAt(pos)
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Description: Returns a number (a nonnegative integer less than 2^16)
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representing the Unicode encoding of the character at
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position pos in this string. If there is no character
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at that position, the number is NaN.
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When the charCodeAt method is called with one argument
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pos, the following steps are taken:
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1. Call ToString, giving it the theis value as its
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argument
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2. Call ToInteger(pos)
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3. Compute the number of characters in result(1).
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4. If Result(2) is less than 0 or is not less than
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Result(3), return NaN.
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5. Return a value of Number type, of positive sign, whose
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magnitude is the Unicode encoding of one character
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from result 1, namely the characer at position Result
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(2), where the first character in Result(1) is
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considered to be at position 0.
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Note that the charCodeAt funciton is intentionally
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generic; it does not require that its this value be a
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String object. Therefore it can be transferred to other
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kinds of objects for use as a method.
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Author: christine@netscape.com
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Date: 2 october 1997
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*/
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var SECTION = "15.5.4.5-3";
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var VERSION = "ECMA_1";
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startTest();
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var TITLE = "String.prototype.charCodeAt";
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writeHeaderToLog( SECTION + " "+ TITLE);
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var TEST_STRING = new String( " !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~" );
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var testcases = getTestCases();
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test();
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function MyObject (v) {
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this.value = v;
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this.toString = new Function ( "return this.value +\"\"" );
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this.charCodeAt = String.prototype.charCodeAt;
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}
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function getTestCases() {
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var array = new Array();
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var item = 0;
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var foo = new MyObject('hello');
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array[item++] = new TestCase( SECTION, "var foo = new MyObject('hello');foo.charCodeAt(0)", 0x0068, foo.charCodeAt(0) );
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array[item++] = new TestCase( SECTION, "var foo = new MyObject('hello');foo.charCodeAt(1)", 0x0065, foo.charCodeAt(1) );
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array[item++] = new TestCase( SECTION, "var foo = new MyObject('hello');foo.charCodeAt(2)", 0x006c, foo.charCodeAt(2) );
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array[item++] = new TestCase( SECTION, "var foo = new MyObject('hello');foo.charCodeAt(3)", 0x006c, foo.charCodeAt(3) );
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array[item++] = new TestCase( SECTION, "var foo = new MyObject('hello');foo.charCodeAt(4)", 0x006f, foo.charCodeAt(4) );
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array[item++] = new TestCase( SECTION, "var foo = new MyObject('hello');foo.charCodeAt(-1)", Number.NaN, foo.charCodeAt(-1) );
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array[item++] = new TestCase( SECTION, "var foo = new MyObject('hello');foo.charCodeAt(5)", Number.NaN, foo.charCodeAt(5) );
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var boo = new MyObject(true);
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array[item++] = new TestCase( SECTION, "var boo = new MyObject(true);boo.charCodeAt(0)", 0x0074, boo.charCodeAt(0) );
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array[item++] = new TestCase( SECTION, "var boo = new MyObject(true);boo.charCodeAt(1)", 0x0072, boo.charCodeAt(1) );
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array[item++] = new TestCase( SECTION, "var boo = new MyObject(true);boo.charCodeAt(2)", 0x0075, boo.charCodeAt(2) );
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array[item++] = new TestCase( SECTION, "var boo = new MyObject(true);boo.charCodeAt(3)", 0x0065, boo.charCodeAt(3) );
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var noo = new MyObject( Math.PI );
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array[item++] = new TestCase( SECTION, "var noo = new MyObject(Math.PI);noo.charCodeAt(0)", 0x0033, noo.charCodeAt(0) );
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array[item++] = new TestCase( SECTION, "var noo = new MyObject(Math.PI);noo.charCodeAt(1)", 0x002E, noo.charCodeAt(1) );
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array[item++] = new TestCase( SECTION, "var noo = new MyObject(Math.PI);noo.charCodeAt(2)", 0x0031, noo.charCodeAt(2) );
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array[item++] = new TestCase( SECTION, "var noo = new MyObject(Math.PI);noo.charCodeAt(3)", 0x0034, noo.charCodeAt(3) );
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array[item++] = new TestCase( SECTION, "var noo = new MyObject(Math.PI);noo.charCodeAt(4)", 0x0031, noo.charCodeAt(4) );
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array[item++] = new TestCase( SECTION, "var noo = new MyObject(Math.PI);noo.charCodeAt(5)", 0x0035, noo.charCodeAt(5) );
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array[item++] = new TestCase( SECTION, "var noo = new MyObject(Math.PI);noo.charCodeAt(6)", 0x0039, noo.charCodeAt(6) );
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var noo = new MyObject( null );
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array[item++] = new TestCase( SECTION, "var noo = new MyObject(null);noo.charCodeAt(0)", 0x006E, noo.charCodeAt(0) );
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array[item++] = new TestCase( SECTION, "var noo = new MyObject(null);noo.charCodeAt(1)", 0x0075, noo.charCodeAt(1) );
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array[item++] = new TestCase( SECTION, "var noo = new MyObject(null);noo.charCodeAt(2)", 0x006C, noo.charCodeAt(2) );
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array[item++] = new TestCase( SECTION, "var noo = new MyObject(null);noo.charCodeAt(3)", 0x006C, noo.charCodeAt(3) );
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array[item++] = new TestCase( SECTION, "var noo = new MyObject(null);noo.charCodeAt(4)", NaN, noo.charCodeAt(4) );
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var noo = new MyObject( void 0 );
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array[item++] = new TestCase( SECTION, "var noo = new MyObject(void 0);noo.charCodeAt(0)", 0x0075, noo.charCodeAt(0) );
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array[item++] = new TestCase( SECTION, "var noo = new MyObject(void 0);noo.charCodeAt(1)", 0x006E, noo.charCodeAt(1) );
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array[item++] = new TestCase( SECTION, "var noo = new MyObject(void 0);noo.charCodeAt(2)", 0x0064, noo.charCodeAt(2) );
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array[item++] = new TestCase( SECTION, "var noo = new MyObject(void 0);noo.charCodeAt(3)", 0x0065, noo.charCodeAt(3) );
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array[item++] = new TestCase( SECTION, "var noo = new MyObject(void 0);noo.charCodeAt(4)", 0x0066, noo.charCodeAt(4) );
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return array;
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}
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function test() {
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for ( tc = 0; tc < testcases.length; tc++ ) {
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testcases[tc].passed = writeTestCaseResult(
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testcases[tc].expect,
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testcases[tc].actual,
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testcases[tc].description +" = "+
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testcases[tc].actual );
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testcases[tc].reason += ( testcases[tc].passed )
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? ""
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: "wrong value ";
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}
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stopTest();
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return ( testcases );
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}
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