1 /** 2 * File Name: try-007.js 3 * ECMA Section: 4 * Description: The try statement 5 * 6 * This test has a for-in statement within a try block. 7 * 8 * 9 * Author: christine (at) netscape.com 10 * Date: 11 August 1998 11 */ 12 var SECTION = "try-007"; 13 var VERSION = "ECMA_2"; 14 var TITLE = "The try statement: for-in"; 15 16 startTest(); 17 writeHeaderToLog( SECTION + " "+ TITLE); 18 19 var tc = 0; 20 var testcases = new Array(); 21 22 /** 23 * This is the "check" function for test objects that will 24 * throw an exception. 25 */ 26 function throwException() { 27 throw EXCEPTION_STRING +": " + this.valueOf(); 28 } 29 var EXCEPTION_STRING = "Exception thrown:"; 30 31 /** 32 * This is the "check" function for test objects that do not 33 * throw an exception 34 */ 35 function noException() { 36 return this.valueOf(); 37 } 38 39 /** 40 * Add test cases here 41 */ 42 TryForIn( new TryObject( "hello", throwException, true )); 43 TryForIn( new TryObject( "hola", noException, false )); 44 45 /** 46 * Run the test. 47 */ 48 49 test(); 50 51 /** 52 * This is the object that will be the "this" in a with block. 53 * The check function is either throwExeption() or noException(). 54 * See above. 55 * 56 */ 57 function TryObject( value, fun, exception ) { 58 this.value = value; 59 this.exception = exception; 60 61 this.check = fun; 62 this.valueOf = function () { return this.value; } 63 } 64 65 /** 66 * This function has a for-in statement within a try block. Test cases 67 * are added after the try-catch-finally statement. Within the for-in 68 * block, call a function that can throw an exception. Verify that any 69 * exceptions are properly caught. 70 */ 71 72 function TryForIn( object ) { 73 try { 74 for ( p in object ) { 75 if ( typeof object[p] == "function" ) { 76 result = object[p](); 77 } 78 } 79 } catch ( e ) { 80 result = e; 81 } 82 83 testcases[tc++] = new TestCase( 84 SECTION, 85 "TryForIn( " + object+ " )", 86 (object.exception ? EXCEPTION_STRING +": " + object.value : object.value), 87 result ); 88 89 } 90
