зеркало из https://github.com/mozilla/pjs.git
117 строки
4.2 KiB
JavaScript
117 строки
4.2 KiB
JavaScript
/* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS"
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* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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* License for the specific language governing rights and limitations
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* 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 Copyright (C) 1998
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* Netscape Communications Corporation. All Rights Reserved.
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*
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*/
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/**
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File Name: 11.2.1-4-n.js
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ECMA Section: 11.2.1 Property Accessors
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Description:
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Properties are accessed by name, using either the dot notation:
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MemberExpression . Identifier
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CallExpression . Identifier
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or the bracket notation: MemberExpression [ Expression ]
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CallExpression [ Expression ]
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The dot notation is explained by the following syntactic conversion:
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MemberExpression . Identifier
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is identical in its behavior to
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MemberExpression [ <identifier-string> ]
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and similarly
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CallExpression . Identifier
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is identical in its behavior to
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CallExpression [ <identifier-string> ]
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where <identifier-string> is a string literal containing the same sequence
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of characters as the Identifier.
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The production MemberExpression : MemberExpression [ Expression ] is
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evaluated as follows:
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1. Evaluate MemberExpression.
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2. Call GetValue(Result(1)).
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3. Evaluate Expression.
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4. Call GetValue(Result(3)).
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5. Call ToObject(Result(2)).
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6. Call ToString(Result(4)).
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7. Return a value of type Reference whose base object is Result(5) and
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whose property name is Result(6).
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The production CallExpression : CallExpression [ Expression ] is evaluated
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in exactly the same manner, except that the contained CallExpression is
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evaluated in step 1.
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Author: christine@netscape.com
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Date: 12 november 1997
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*/
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var SECTION = "11.2.1-4-n";
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var VERSION = "ECMA_1";
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startTest();
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var TITLE = "Property Accessors";
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writeHeaderToLog( SECTION + " "+TITLE );
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var testcases = new Array();
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// go through all Native Function objects, methods, and properties and get their typeof.
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var PROPERTY = new Array();
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var p = 0;
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// try to access properties of primitive types
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PROPERTY[p++] = new Property( "null", null, "null", 0 );
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for ( var i = 0, RESULT; i < PROPERTY.length; i++ ) {
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testcases[tc++] = new TestCase( SECTION,
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PROPERTY[i].object + ".valueOf()",
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PROPERTY[i].value,
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eval( PROPERTY[i].object+ ".valueOf()" ) );
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testcases[tc++] = new TestCase( SECTION,
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PROPERTY[i].object + ".toString()",
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PROPERTY[i].string,
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eval( PROPERTY[i].object+ ".toString()" ) );
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}
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test();
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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 ) ? "" : "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 = value;
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this.stringValue = value +"";
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this.numberValue = Number(value);
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return this;
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}
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function Property( object, value, string, number ) {
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this.object = object;
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this.string = String(value);
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this.number = Number(value);
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this.value = value;
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} |