michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: 
michael@0: /**
michael@0:  *  File Name:          try-006.js
michael@0:  *  ECMA Section:
michael@0:  *  Description:        The try statement
michael@0:  *
michael@0:  *  Throw an exception from within a With block in a try block.  Verify
michael@0:  *  that any expected exceptions are caught.
michael@0:  *
michael@0:  *  Author:             christine@netscape.com
michael@0:  *  Date:               11 August 1998
michael@0:  */
michael@0: var SECTION = "try-006";
michael@0: var VERSION = "ECMA_2";
michael@0: var TITLE   = "The try statement";
michael@0: 
michael@0: startTest();
michael@0: writeHeaderToLog( SECTION + " "+ TITLE);
michael@0: 
michael@0: /**
michael@0:  *  This is the "check" function for test objects that will
michael@0:  *  throw an exception.
michael@0:  */
michael@0: function throwException() {
michael@0:   throw EXCEPTION_STRING +": " + this.valueOf();
michael@0: }
michael@0: var EXCEPTION_STRING = "Exception thrown:";
michael@0: 
michael@0: /**
michael@0:  *  This is the "check" function for test objects that do not
michael@0:  *  throw an exception
michael@0:  */
michael@0: function noException() {
michael@0:   return this.valueOf();
michael@0: }
michael@0: 
michael@0: /**
michael@0:  *  Add test cases here
michael@0:  */
michael@0: TryWith( new TryObject( "hello", throwException, true ));
michael@0: TryWith( new TryObject( "hola",  noException, false ));
michael@0: 
michael@0: /**
michael@0:  *  Run the test.
michael@0:  */
michael@0: 
michael@0: test();
michael@0: 
michael@0: /**
michael@0:  *  This is the object that will be the "this" in a with block.
michael@0:  */
michael@0: function TryObject( value, fun, exception ) {
michael@0:   this.value = value;
michael@0:   this.exception = exception;
michael@0: 
michael@0:   this.valueOf = new Function ( "return this.value" );
michael@0:   this.check = fun;
michael@0: }
michael@0: 
michael@0: /**
michael@0:  *  This function has the try block that has a with block within it.
michael@0:  *  Test cases are added in this function.  Within the with block, the
michael@0:  *  object's "check" function is called.  If the test object's exception
michael@0:  *  property is true, we expect the result to be the exception value.
michael@0:  *  If exception is false, then we expect the result to be the value of
michael@0:  *  the object.
michael@0:  */
michael@0: function TryWith( object ) {
michael@0:   try {
michael@0:     with ( object ) {
michael@0:       result = check();
michael@0:     }
michael@0:   } catch ( e ) {
michael@0:     result = e;
michael@0:   }
michael@0: 
michael@0:   new TestCase(
michael@0:     SECTION,
michael@0:     "TryWith( " + object.value +" )",
michael@0:     (object.exception ? EXCEPTION_STRING +": " + object.valueOf() : object.valueOf()),
michael@0:     result );
michael@0: }