зеркало из https://github.com/mozilla/gecko-dev.git
128 строки
6.6 KiB
JavaScript
128 строки
6.6 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: 15.2.4.2.js
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ECMA Section: 15.2.4.2 Object.prototype.toString()
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Description: When the toString method is called, the following
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steps are taken:
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1. Get the [[Class]] property of this object
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2. Call ToString( Result(1) )
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3. Compute a string value by concatenating the three
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strings "[object " + Result(2) + "]"
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4. Return Result(3).
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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 = "15.2.4.2";
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var VERSION = "ECMA_1";
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startTest();
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var TITLE = "Object.prototype.toString()";
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writeHeaderToLog( SECTION + " "+ TITLE);
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var testcases = getTestCases();
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test();
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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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array[item++] = new TestCase( SECTION, "(new Object()).toString()", "[object Object]", (new Object()).toString() );
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array[item++] = new TestCase( SECTION, "myvar = this; myvar.toString = Object.prototype.toString; myvar.toString()",
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GLOBAL,
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eval("myvar = this; myvar.toString = Object.prototype.toString; myvar.toString()") );
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array[item++] = new TestCase( SECTION, "myvar = MyObject; myvar.toString = Object.prototype.toString; myvar.toString()",
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"[object Function]",
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eval("myvar = MyObject; myvar.toString = Object.prototype.toString; myvar.toString()") );
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array[item++] = new TestCase( SECTION, "myvar = new MyObject( true ); myvar.toString = Object.prototype.toString; myvar.toString()",
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'[object Object]',
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eval("myvar = new MyObject( true ); myvar.toString = Object.prototype.toString; myvar.toString()") );
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array[item++] = new TestCase( SECTION, "myvar = new Number(0); myvar.toString = Object.prototype.toString; myvar.toString()",
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"[object Number]",
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eval("myvar = new Number(0); myvar.toString = Object.prototype.toString; myvar.toString()") );
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array[item++] = new TestCase( SECTION, "myvar = new String(''); myvar.toString = Object.prototype.toString; myvar.toString()",
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"[object String]",
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eval("myvar = new String(''); myvar.toString = Object.prototype.toString; myvar.toString()") );
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array[item++] = new TestCase( SECTION, "myvar = Math; myvar.toString = Object.prototype.toString; myvar.toString()",
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"[object Math]",
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eval("myvar = Math; myvar.toString = Object.prototype.toString; myvar.toString()") );
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array[item++] = new TestCase( SECTION, "myvar = new Function(); myvar.toString = Object.prototype.toString; myvar.toString()",
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"[object Function]",
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eval("myvar = new Function(); myvar.toString = Object.prototype.toString; myvar.toString()") );
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array[item++] = new TestCase( SECTION, "myvar = new Array(); myvar.toString = Object.prototype.toString; myvar.toString()",
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"[object Array]",
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eval("myvar = new Array(); myvar.toString = Object.prototype.toString; myvar.toString()") );
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array[item++] = new TestCase( SECTION, "myvar = new Boolean(); myvar.toString = Object.prototype.toString; myvar.toString()",
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"[object Boolean]",
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eval("myvar = new Boolean(); myvar.toString = Object.prototype.toString; myvar.toString()") );
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array[item++] = new TestCase( SECTION, "myvar = new Date(); myvar.toString = Object.prototype.toString; myvar.toString()",
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"[object Date]",
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eval("myvar = new Date(); myvar.toString = Object.prototype.toString; myvar.toString()") );
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array[item++] = new TestCase( SECTION, "var MYVAR = new Object( this ); MYVAR.toString()",
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GLOBAL,
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eval("var MYVAR = new Object( this ); MYVAR.toString()") );
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array[item++] = new TestCase( SECTION, "var MYVAR = new Object(); MYVAR.toString()",
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"[object Object]",
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eval("var MYVAR = new Object(); MYVAR.toString()") );
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array[item++] = new TestCase( SECTION, "var MYVAR = new Object(void 0); MYVAR.toString()",
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"[object Object]",
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eval("var MYVAR = new Object(void 0); MYVAR.toString()") );
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array[item++] = new TestCase( SECTION, "var MYVAR = new Object(null); MYVAR.toString()",
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"[object Object]",
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eval("var MYVAR = new Object(null); MYVAR.toString()") );
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return ( array );
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}
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function test( array ) {
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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 +" = "+ testcases[tc].actual );
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testcases[tc].reason += ( testcases[tc].passed ) ? "" : "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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function MyObject( value ) {
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this.value = new Function( "return this.value" );
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this.toString = new Function ( "return this.value+''");
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} |