зеркало из https://github.com/mozilla/pjs.git
200 строки
10 KiB
JavaScript
200 строки
10 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: 11.6.2-1.js
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ECMA Section: 11.6.2 The Subtraction operator ( - )
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Description:
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The production AdditiveExpression : AdditiveExpression -
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MultiplicativeExpression is evaluated as follows:
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1. Evaluate AdditiveExpression.
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2. Call GetValue(Result(1)).
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3. Evaluate MultiplicativeExpression.
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4. Call GetValue(Result(3)).
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5. Call ToNumber(Result(2)).
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6. Call ToNumber(Result(4)).
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7. Apply the subtraction operation to Result(5) and Result(6). See the
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discussion below (11.6.3).
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8. Return Result(7).
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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 = "11.6.2-1";
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var VERSION = "ECMA_1";
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startTest();
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var testcases = getTestCases();
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writeHeaderToLog( SECTION + " The subtraction operator ( - )");
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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 getTestCases() {
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var array = new Array();
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var item = 0;
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// tests for boolean primitive, boolean object, Object object, a "MyObject" whose value is
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// a boolean primitive and a boolean object, and "MyValuelessObject", where the value is
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// set in the object's prototype, not the object itself.
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array[item++] = new TestCase( SECTION,
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"var EXP_1 = true; var EXP_2 = false; EXP_1 - EXP_2",
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1,
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eval("var EXP_1 = true; var EXP_2 = false; EXP_1 - EXP_2") );
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array[item++] = new TestCase( SECTION,
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"var EXP_1 = new Boolean(true); var EXP_2 = new Boolean(false); EXP_1 - EXP_2",
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1,
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eval("var EXP_1 = new Boolean(true); var EXP_2 = new Boolean(false); EXP_1 - EXP_2") );
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array[item++] = new TestCase( SECTION,
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"var EXP_1 = new Object(true); var EXP_2 = new Object(false); EXP_1 - EXP_2",
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1,
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eval("var EXP_1 = new Object(true); var EXP_2 = new Object(false); EXP_1 - EXP_2") );
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array[item++] = new TestCase( SECTION,
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"var EXP_1 = new Object(new Boolean(true)); var EXP_2 = new Object(new Boolean(false)); EXP_1 - EXP_2",
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1,
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eval("var EXP_1 = new Object(new Boolean(true)); var EXP_2 = new Object(new Boolean(false)); EXP_1 - EXP_2") );
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array[item++] = new TestCase( SECTION,
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"var EXP_1 = new MyObject(true); var EXP_2 = new MyObject(false); EXP_1 - EXP_2",
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1,
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eval("var EXP_1 = new MyObject(true); var EXP_2 = new MyObject(false); EXP_1 - EXP_2") );
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array[item++] = new TestCase( SECTION,
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"var EXP_1 = new MyObject(new Boolean(true)); var EXP_2 = new MyObject(new Boolean(false)); EXP_1 - EXP_2",
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Number.NaN,
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eval("var EXP_1 = new MyObject(new Boolean(true)); var EXP_2 = new MyObject(new Boolean(false)); EXP_1 - EXP_2") );
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array[item++] = new TestCase( SECTION,
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"var EXP_1 = new MyOtherObject(new Boolean(true)); var EXP_2 = new MyOtherObject(new Boolean(false)); EXP_1 - EXP_2",
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Number.NaN,
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eval("var EXP_1 = new MyOtherObject(new Boolean(true)); var EXP_2 = new MyOtherObject(new Boolean(false)); EXP_1 - EXP_2") );
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array[item++] = new TestCase( SECTION,
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"var EXP_1 = new MyValuelessObject(true); var EXP_2 = new MyValuelessObject(false); EXP_1 - EXP_2",
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1,
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eval("var EXP_1 = new MyValuelessObject(true); var EXP_2 = new MyValuelessObject(false); EXP_1 - EXP_2") );
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array[item++] = new TestCase( SECTION,
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"var EXP_1 = new MyValuelessObject(new Boolean(true)); var EXP_2 = new MyValuelessObject(new Boolean(false)); EXP_1 - EXP_2",
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Number.NaN,
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eval("var EXP_1 = new MyValuelessObject(new Boolean(true)); var EXP_2 = new MyValuelessObject(new Boolean(false)); EXP_1 - EXP_2") );
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// tests for number primitive, number object, Object object, a "MyObject" whose value is
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// a number primitive and a number object, and "MyValuelessObject", where the value is
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// set in the object's prototype, not the object itself.
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array[item++] = new TestCase( SECTION,
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"var EXP_1 = 100; var EXP_2 = 1; EXP_1 - EXP_2",
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99,
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eval("var EXP_1 = 100; var EXP_2 = 1; EXP_1 - EXP_2") );
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array[item++] = new TestCase( SECTION,
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"var EXP_1 = new Number(100); var EXP_2 = new Number(1); EXP_1 - EXP_2",
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99,
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eval("var EXP_1 = new Number(100); var EXP_2 = new Number(1); EXP_1 - EXP_2") );
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array[item++] = new TestCase( SECTION,
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"var EXP_1 = new Object(100); var EXP_2 = new Object(1); EXP_1 - EXP_2",
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99,
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eval("var EXP_1 = new Object(100); var EXP_2 = new Object(1); EXP_1 - EXP_2") );
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array[item++] = new TestCase( SECTION,
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"var EXP_1 = new Object(new Number(100)); var EXP_2 = new Object(new Number(1)); EXP_1 - EXP_2",
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99,
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eval("var EXP_1 = new Object(new Number(100)); var EXP_2 = new Object(new Number(1)); EXP_1 - EXP_2") );
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array[item++] = new TestCase( SECTION,
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"var EXP_1 = new MyObject(100); var EXP_2 = new MyObject(1); EXP_1 - EXP_2",
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99,
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eval("var EXP_1 = new MyObject(100); var EXP_2 = new MyObject(1); EXP_1 - EXP_2") );
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array[item++] = new TestCase( SECTION,
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"var EXP_1 = new MyObject(new Number(100)); var EXP_2 = new MyObject(new Number(1)); EXP_1 - EXP_2",
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Number.NaN,
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eval("var EXP_1 = new MyObject(new Number(100)); var EXP_2 = new MyObject(new Number(1)); EXP_1 - EXP_2") );
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array[item++] = new TestCase( SECTION,
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"var EXP_1 = new MyOtherObject(new Number(100)); var EXP_2 = new MyOtherObject(new Number(1)); EXP_1 - EXP_2",
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99,
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eval("var EXP_1 = new MyOtherObject(new Number(100)); var EXP_2 = new MyOtherObject(new Number(1)); EXP_1 - EXP_2") );
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array[item++] = new TestCase( SECTION,
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"var EXP_1 = new MyValuelessObject(100); var EXP_2 = new MyValuelessObject(1); EXP_1 - EXP_2",
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99,
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eval("var EXP_1 = new MyValuelessObject(100); var EXP_2 = new MyValuelessObject(1); EXP_1 - EXP_2") );
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/*
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array[item++] = new TestCase( SECTION,
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"var EXP_1 = new MyValuelessObject(new Number(100)); var EXP_2 = new MyValuelessObject(new Number(1)); EXP_1 - EXP_2",
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Number.NaN,
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eval("var EXP_1 = new MyValuelessObject(new Number(100)); var EXP_2 = new MyValuelessObject(new Number(1)); EXP_1 - EXP_2") );
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*/
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// same thing with string!
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array[item++] = new TestCase( SECTION,
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"var EXP_1 = new MyOtherObject(new String('0xff')); var EXP_2 = new MyOtherObject(new String('1'); EXP_1 - EXP_2",
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254,
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eval("var EXP_1 = new MyOtherObject(new String('0xff')); var EXP_2 = new MyOtherObject(new String('1')); EXP_1 - EXP_2") );
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return ( array );
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}
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function MyProtoValuelessObject() {
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this.valueOf = new Function ( "" );
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this.__proto__ = null;
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}
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function MyProtolessObject( value ) {
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this.valueOf = new Function( "return this.value" );
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this.__proto__ = null;
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this.value = value;
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}
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function MyValuelessObject(value) {
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this.__proto__ = new MyPrototypeObject(value);
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}
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function MyPrototypeObject(value) {
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this.valueOf = new Function( "return this.value;" );
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this.toString = new Function( "return (this.value + '');" );
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this.value = value;
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}
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function MyObject( value ) {
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this.valueOf = new Function( "return this.value" );
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this.value = value;
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}
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function MyOtherObject( value ) {
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this.valueOf = new Function( "return this.value" );
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this.toString = new Function ( "return this.value + ''" );
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this.value = value;
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}
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