1/* The contents of this file are subject to the Netscape Public 2 * License Version 1.1 (the "License"); you may not use this file 3 * except in compliance with the License. You may obtain a copy of 4 * the License at http://www.mozilla.org/NPL/ 5 * 6 * Software distributed under the License is distributed on an "AS 7 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or 8 * implied. See the License for the specific language governing 9 * rights and limitations under the License. 10 * 11 * The Original Code is Mozilla Communicator client code, released March 12 * 31, 1998. 13 * 14 * The Initial Developer of the Original Code is Netscape Communications 15 * Corporation. Portions created by Netscape are 16 * Copyright (C) 1998 Netscape Communications Corporation. All 17 * Rights Reserved. 18 * 19 * Contributor(s): 20 * 21 */ 22/** 23 File Name: tostring-1.js 24 Section: Function.toString 25 Description: 26 27 Since the behavior of Function.toString() is implementation-dependent, 28 toString tests for function are not in the ECMA suite. 29 30 Currently, an attempt to parse the toString output for some functions 31 and verify that the result is something reasonable. 32 33 Author: christine@netscape.com 34 Date: 12 november 1997 35*/ 36 37// These test cases should not be testing for a particular 38// whitespace formatting (this is implementation defined). 39// Strip out whitespace, or in the case of whitespace 40// abutting a word character reduce to a single space. 41function simplify(str) 42{ 43 return str.replace(/\s+/g, " ").replace(/ (\W)/g, "$1").replace(/(\W) /g, "$1").trim(); 44} 45 46 var SECTION = "tostring-1"; 47 var VERSION = "JS1_2"; 48 startTest(); 49 var TITLE = "Function.toString()"; 50 51 writeHeaderToLog( SECTION + " "+ TITLE); 52 53 var testcases = new Array(); 54 55 var tab = " "; 56 57 t1 = new TestFunction( "stub", "value", tab + "return value;" ); 58 59 t2 = new TestFunction( "ToString", "object", tab+"return object + \"\";" ); 60 61 t3 = new TestFunction( "Add", "a, b, c, d, e", tab +"var s = a + b + c + d + e;\n" + 62 tab + "return s;" ); 63 64 t4 = new TestFunction( "noop", "value" ); 65 66 t5 = new TestFunction( "anonymous", "", tab+"return \"hello!\";" ); 67 68 var f = new Function( "return \"hello!\""); 69 70 testcases[tc++] = new TestCase( SECTION, 71 "stub.toString()", 72 simplify(t1.valueOf()), 73 simplify(stub.toString()) ); 74 75 testcases[tc++] = new TestCase( SECTION, 76 "ToString.toString()", 77 simplify(t2.valueOf()), 78 simplify(ToString.toString()) ); 79 80 testcases[tc++] = new TestCase( SECTION, 81 "Add.toString()", 82 simplify(t3.valueOf()), 83 simplify(Add.toString()) ); 84 85 testcases[tc++] = new TestCase( SECTION, 86 "noop.toString()", 87 simplify(t4.toString()), 88 simplify(noop.toString()) ); 89 90 testcases[tc++] = new TestCase( SECTION, 91 "f.toString()", 92 simplify(t5.toString()), 93 simplify(f.toString()) ); 94 test(); 95 96function noop( value ) { 97} 98function Add( a, b, c, d, e ) { 99 var s = a + b + c + d + e; 100 return s; 101} 102function stub( value ) { 103 return value; 104} 105function ToString( object ) { 106 return object + ""; 107} 108 109function ToBoolean( value ) { 110 if ( value == 0 || value == NaN || value == false ) { 111 return false; 112 } else { 113 return true; 114 } 115} 116 117function test() { 118 for ( tc=0; tc < testcases.length; tc++ ) { 119 testcases[tc].passed = writeTestCaseResult( 120 testcases[tc].expect, 121 testcases[tc].actual, 122 testcases[tc].description +" = "+ 123 testcases[tc].actual ); 124 125 testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value "; 126 } 127 stopTest(); 128 return ( testcases ); 129} 130 131function TestFunction( name, args, body ) { 132 if ( name == "anonymous" && version() == 120 ) { 133 name = ""; 134 } 135 136 this.name = name; 137 this.arguments = args.toString(); 138 this.body = body; 139 140 /* the format of Function.toString() in JavaScript 1.2 is: 141 /n 142 function name ( arguments ) { 143 body 144 } 145 */ 146 this.value = "\nfunction " + (name ? name : "" )+ 147 "("+args+") {\n"+ (( body ) ? body +"\n" : "") + "}\n"; 148 149 this.toString = new Function( "return this.value" ); 150 this.valueOf = new Function( "return this.value" ); 151 return this; 152} 153