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160 lines
7.9 KiB
JavaScript
160 lines
7.9 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 = '11.9.1.js';
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/**
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File Name: 11.9.1.js
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ECMA Section: 11.9.1 The equals operator ( == )
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Description:
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The production EqualityExpression:
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EqualityExpression == RelationalExpression is evaluated as follows:
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1. Evaluate EqualityExpression.
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2. Call GetValue(Result(1)).
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3. Evaluate RelationalExpression.
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4. Call GetValue(Result(3)).
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5. Perform the comparison Result(4) == Result(2). (See section 11.9.3)
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6. Return Result(5).
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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 = "11.9.1";
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var VERSION = "ECMA_1";
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var BUGNUMBER="77391";
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startTest();
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writeHeaderToLog( SECTION + " The equals operator ( == )");
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// type x and type y are the same. if type x is undefined or null, return true
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new TestCase( SECTION, "void 0 = void 0", true, void 0 == void 0 );
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new TestCase( SECTION, "null == null", true, null == null );
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// if x is NaN, return false. if y is NaN, return false.
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new TestCase( SECTION, "NaN == NaN", false, Number.NaN == Number.NaN );
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new TestCase( SECTION, "NaN == 0", false, Number.NaN == 0 );
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new TestCase( SECTION, "0 == NaN", false, 0 == Number.NaN );
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new TestCase( SECTION, "NaN == Infinity", false, Number.NaN == Number.POSITIVE_INFINITY );
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new TestCase( SECTION, "Infinity == NaN", false, Number.POSITIVE_INFINITY == Number.NaN );
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// if x is the same number value as y, return true.
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new TestCase( SECTION, "Number.MAX_VALUE == Number.MAX_VALUE", true, Number.MAX_VALUE == Number.MAX_VALUE );
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new TestCase( SECTION, "Number.MIN_VALUE == Number.MIN_VALUE", true, Number.MIN_VALUE == Number.MIN_VALUE );
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new TestCase( SECTION, "Number.POSITIVE_INFINITY == Number.POSITIVE_INFINITY", true, Number.POSITIVE_INFINITY == Number.POSITIVE_INFINITY );
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new TestCase( SECTION, "Number.NEGATIVE_INFINITY == Number.NEGATIVE_INFINITY", true, Number.NEGATIVE_INFINITY == Number.NEGATIVE_INFINITY );
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// if xis 0 and y is -0, return true. if x is -0 and y is 0, return true.
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new TestCase( SECTION, "0 == 0", true, 0 == 0 );
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new TestCase( SECTION, "0 == -0", true, 0 == -0 );
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new TestCase( SECTION, "-0 == 0", true, -0 == 0 );
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new TestCase( SECTION, "-0 == -0", true, -0 == -0 );
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// return false.
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new TestCase( SECTION, "0.9 == 1", false, 0.9 == 1 );
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new TestCase( SECTION, "0.999999 == 1", false, 0.999999 == 1 );
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new TestCase( SECTION, "0.9999999999 == 1", false, 0.9999999999 == 1 );
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new TestCase( SECTION, "0.9999999999999 == 1", false, 0.9999999999999 == 1 );
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// type x and type y are the same type, but not numbers.
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// x and y are strings. return true if x and y are exactly the same sequence of characters.
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// otherwise, return false.
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new TestCase( SECTION, "'hello' == 'hello'", true, "hello" == "hello" );
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// x and y are booleans. return true if both are true or both are false.
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new TestCase( SECTION, "true == true", true, true == true );
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new TestCase( SECTION, "false == false", true, false == false );
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new TestCase( SECTION, "true == false", false, true == false );
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new TestCase( SECTION, "false == true", false, false == true );
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// return true if x and y refer to the same object. otherwise return false.
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new TestCase( SECTION, "new MyObject(true) == new MyObject(true)", false, new MyObject(true) == new MyObject(true) );
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new TestCase( SECTION, "new Boolean(true) == new Boolean(true)", false, new Boolean(true) == new Boolean(true) );
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new TestCase( SECTION, "new Boolean(false) == new Boolean(false)", false, new Boolean(false) == new Boolean(false) );
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new TestCase( SECTION, "x = new MyObject(true); y = x; z = x; z == y", true, eval("x = new MyObject(true); y = x; z = x; z == y") );
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new TestCase( SECTION, "x = new MyObject(false); y = x; z = x; z == y", true, eval("x = new MyObject(false); y = x; z = x; z == y") );
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new TestCase( SECTION, "x = new Boolean(true); y = x; z = x; z == y", true, eval("x = new Boolean(true); y = x; z = x; z == y") );
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new TestCase( SECTION, "x = new Boolean(false); y = x; z = x; z == y", true, eval("x = new Boolean(false); y = x; z = x; z == y") );
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new TestCase( SECTION, "new Boolean(true) == new Boolean(true)", false, new Boolean(true) == new Boolean(true) );
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new TestCase( SECTION, "new Boolean(false) == new Boolean(false)", false, new Boolean(false) == new Boolean(false) );
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// if x is null and y is undefined, return true. if x is undefined and y is null return true.
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new TestCase( SECTION, "null == void 0", true, null == void 0 );
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new TestCase( SECTION, "void 0 == null", true, void 0 == null );
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// if type(x) is Number and type(y) is string, return the result of the comparison x == ToNumber(y).
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new TestCase( SECTION, "1 == '1'", true, 1 == '1' );
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new TestCase( SECTION, "255 == '0xff'", true, 255 == '0xff' );
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new TestCase( SECTION, "0 == '\r'", true, 0 == "\r" );
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new TestCase( SECTION, "1e19 == '1e19'", true, 1e19 == "1e19" );
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new TestCase( SECTION, "new Boolean(true) == true", true, true == new Boolean(true) );
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new TestCase( SECTION, "new MyObject(true) == true", true, true == new MyObject(true) );
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new TestCase( SECTION, "new Boolean(false) == false", true, new Boolean(false) == false );
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new TestCase( SECTION, "new MyObject(false) == false", true, new MyObject(false) == false );
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new TestCase( SECTION, "true == new Boolean(true)", true, true == new Boolean(true) );
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new TestCase( SECTION, "true == new MyObject(true)", true, true == new MyObject(true) );
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new TestCase( SECTION, "false == new Boolean(false)", true, false == new Boolean(false) );
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new TestCase( SECTION, "false == new MyObject(false)", true, false == new MyObject(false) );
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test();
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function MyObject( value ) {
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this.value = value;
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this.valueOf = new Function( "return this.value" );
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}
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