pjs/js/tests/ecma_2/Statements/try-009.js

62 строки
1.5 KiB
JavaScript

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/**
* File Name: try-009.js
* ECMA Section:
* Description: The try statement
*
* This test has a try block within a while block. Verify that an exception
* breaks out of the while. I don't really know why this is an interesting
* test case but Mike Shaver had two of these so what the hey.
*
* Author: christine@netscape.com
* Date: 11 August 1998
*/
var SECTION = "try-009";
var VERSION = "ECMA_2";
var TITLE = "The try statement: try in a while block";
startTest();
writeHeaderToLog( SECTION + " "+ TITLE);
var EXCEPTION_STRING = "Exception thrown: ";
var NO_EXCEPTION_STRING = "No exception thrown: ";
TryInWhile( new TryObject( "hello", ThrowException, true ) );
TryInWhile( new TryObject( "aloha", NoException, false ));
test();
function TryObject( value, throwFunction, result ) {
this.value = value;
this.thrower = throwFunction;
this.result = result;
}
function ThrowException() {
throw EXCEPTION_STRING + this.value;
}
function NoException() {
return NO_EXCEPTION_STRING + this.value;
}
function TryInWhile( object ) {
result = null;
while ( true ) {
try {
object.thrower();
result = NO_EXCEPTION_STRING + object.value;
break;
} catch ( e ) {
result = e;
break;
}
}
new TestCase(
SECTION,
"( "+ object +".thrower() )",
(object.result
? EXCEPTION_STRING + object.value :
NO_EXCEPTION_STRING + object.value),
result );
}