pjs/js/tests/ecma_2/Statements/try-006.js

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2.2 KiB
JavaScript

/**
* File Name: try-006.js
* ECMA Section:
* Description: The try statement
*
* Throw an exception from within a With block in a try block. Verify
* that any expected exceptions are caught.
*
* Author: christine@netscape.com
* Date: 11 August 1998
*/
var SECTION = "try-006";
var VERSION = "ECMA_2";
var TITLE = "The try statement";
startTest();
writeHeaderToLog( SECTION + " "+ TITLE);
var tc = 0;
var testcases = new Array();
/**
* This is the "check" function for test objects that will
* throw an exception.
*/
function throwException() {
throw EXCEPTION_STRING +": " + this.valueOf();
}
var EXCEPTION_STRING = "Exception thrown:";
/**
* This is the "check" function for test objects that do not
* throw an exception
*/
function noException() {
return this.valueOf();
}
/**
* Add test cases here
*/
TryWith( new TryObject( "hello", throwException, true ));
TryWith( new TryObject( "hola", noException, false ));
/**
* Run the test.
*/
test();
/**
* This is the object that will be the "this" in a with block.
*/
function TryObject( value, fun, exception ) {
this.value = value;
this.exception = exception;
this.valueOf = new Function ( "return this.value" );
this.check = fun;
}
/**
* This function has the try block that has a with block within it.
* Test cases are added in this function. Within the with block, the
* object's "check" function is called. If the test object's exception
* property is true, we expect the result to be the exception value.
* If exception is false, then we expect the result to be the value of
* the object.
*/
function TryWith( object ) {
try {
with ( object ) {
result = check();
}
} catch ( e ) {
result = e;
}
testcases[tc++] = new TestCase(
SECTION,
"TryWith( " + object.value +" )",
(object.exception ? EXCEPTION_STRING +": " + object.valueOf() : object.valueOf()),
result );
}