зеркало из https://github.com/mozilla/gecko-dev.git
109 строки
6.3 KiB
JavaScript
109 строки
6.3 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: 9.2.js
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ECMA Section: 9.2 Type Conversion: ToBoolean
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Description: rules for converting an argument to a boolean.
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undefined false
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Null false
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Boolean input argument( no conversion )
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Number returns false for 0, -0, and NaN
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otherwise return true
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String return false if the string is empty
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(length is 0) otherwise the result is
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true
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Object all return true
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Author: christine@netscape.com
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Date: 14 july 1997
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*/
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var SECTION = "9.2";
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var VERSION = "ECMA_1";
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startTest();
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var TITLE = "ToBoolean";
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writeHeaderToLog( SECTION + " "+ TITLE);
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var testcases = new Array();
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// special cases here
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testcases[tc++] = new TestCase( SECTION, "Boolean()", false, Boolean() );
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testcases[tc++] = new TestCase( SECTION, "Boolean(var x)", false, Boolean(eval("var x")) );
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testcases[tc++] = new TestCase( SECTION, "Boolean(void 0)", false, Boolean(void 0) );
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testcases[tc++] = new TestCase( SECTION, "Boolean(null)", false, Boolean(null) );
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testcases[tc++] = new TestCase( SECTION, "Boolean(false)", false, Boolean(false) );
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testcases[tc++] = new TestCase( SECTION, "Boolean(true)", true, Boolean(true) );
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testcases[tc++] = new TestCase( SECTION, "Boolean(0)", false, Boolean(0) );
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testcases[tc++] = new TestCase( SECTION, "Boolean(-0)", false, Boolean(-0) );
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testcases[tc++] = new TestCase( SECTION, "Boolean(NaN)", false, Boolean(Number.NaN) );
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testcases[tc++] = new TestCase( SECTION, "Boolean('')", false, Boolean("") );
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// normal test cases here
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testcases[tc++] = new TestCase( SECTION, "Boolean(Infinity)", true, Boolean(Number.POSITIVE_INFINITY) );
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testcases[tc++] = new TestCase( SECTION, "Boolean(-Infinity)", true, Boolean(Number.NEGATIVE_INFINITY) );
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testcases[tc++] = new TestCase( SECTION, "Boolean(Math.PI)", true, Boolean(Math.PI) );
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testcases[tc++] = new TestCase( SECTION, "Boolean(1)", true, Boolean(1) );
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testcases[tc++] = new TestCase( SECTION, "Boolean(-1)", true, Boolean(-1) );
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testcases[tc++] = new TestCase( SECTION, "Boolean([tab])", true, Boolean("\t") );
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testcases[tc++] = new TestCase( SECTION, "Boolean('0')", true, Boolean("0") );
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testcases[tc++] = new TestCase( SECTION, "Boolean('string')", true, Boolean("string") );
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// ToBoolean (object) should always return true.
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testcases[tc++] = new TestCase( SECTION, "Boolean(new String() )", true, Boolean(new String()) );
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testcases[tc++] = new TestCase( SECTION, "Boolean(new String('') )", true, Boolean(new String("")) );
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testcases[tc++] = new TestCase( SECTION, "Boolean(new Boolean(true))", true, Boolean(new Boolean(true)) );
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testcases[tc++] = new TestCase( SECTION, "Boolean(new Boolean(false))", true, Boolean(new Boolean(false)) );
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testcases[tc++] = new TestCase( SECTION, "Boolean(new Boolean() )", true, Boolean(new Boolean()) );
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testcases[tc++] = new TestCase( SECTION, "Boolean(new Array())", true, Boolean(new Array()) );
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testcases[tc++] = new TestCase( SECTION, "Boolean(new Number())", true, Boolean(new Number()) );
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testcases[tc++] = new TestCase( SECTION, "Boolean(new Number(-0))", true, Boolean(new Number(-0)) );
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testcases[tc++] = new TestCase( SECTION, "Boolean(new Number(0))", true, Boolean(new Number(0)) );
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testcases[tc++] = new TestCase( SECTION, "Boolean(new Number(NaN))", true, Boolean(new Number(Number.NaN)) );
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testcases[tc++] = new TestCase( SECTION, "Boolean(new Number(-1))", true, Boolean(new Number(-1)) );
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testcases[tc++] = new TestCase( SECTION, "Boolean(new Number(Infinity))", true, Boolean(new Number(Number.POSITIVE_INFINITY)) );
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testcases[tc++] = new TestCase( SECTION, "Boolean(new Number(-Infinity))",true, Boolean(new Number(Number.NEGATIVE_INFINITY)) );
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testcases[tc++] = new TestCase( SECTION, "Boolean(new Object())", true, Boolean(new Object()) );
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testcases[tc++] = new TestCase( SECTION, "Boolean(new Function())", true, Boolean(new Function()) );
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testcases[tc++] = new TestCase( SECTION, "Boolean(new Date())", true, Boolean(new Date()) );
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testcases[tc++] = new TestCase( SECTION, "Boolean(new Date(0))", true, Boolean(new Date(0)) );
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testcases[tc++] = new TestCase( SECTION, "Boolean(Math)", true, Boolean(Math) );
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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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