src/third_party/mozjs-45/js/src/tests/ecma_2/Statements/try-001.js

/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */


/**
 *  File Name:          try-001.js
 *  ECMA Section:
 *  Description:        The try statement
 *
 *  This test contains try, catch, and finally blocks.  An exception is
 *  sometimes thrown by a function called from within the try block.
 *
 *
 *  Author:             christine@netscape.com
 *  Date:               11 August 1998
 */
var SECTION = "";
var VERSION = "ECMA_2";
var TITLE   = "The try statement";

startTest();
writeHeaderToLog( SECTION + " "+ TITLE);

var INVALID_JAVA_INTEGER_VALUE = "Invalid value for java.lang.Integer constructor";

TryNewJavaInteger( "3.14159", INVALID_JAVA_INTEGER_VALUE );
TryNewJavaInteger( NaN, INVALID_JAVA_INTEGER_VALUE );
TryNewJavaInteger( 0,  0 );
TryNewJavaInteger( -1, -1 );
TryNewJavaInteger( 1,  1 );
TryNewJavaInteger( Infinity, Infinity );

test();

/**
 *  Check to see if the input is valid for java.lang.Integer. If it is
 *  not valid, throw INVALID_JAVA_INTEGER_VALUE.  If input is valid,
 *  return Number( v )
 *
 */

function newJavaInteger( v ) {
  value = Number( v );
  if ( Math.floor(value) != value || isNaN(value) ) {
    throw ( INVALID_JAVA_INTEGER_VALUE );
  } else {
    return value;
  }
}

/**
 *  Call newJavaInteger( value ) from within a try block.  Catch any
 *  exception, and store it in result.  Verify that we got the right
 *  return value from newJavaInteger in cases in which we do not expect
 *  exceptions, and that we got the exception in cases where an exception
 *  was expected.
 */
function TryNewJavaInteger( value, expect ) {
  var finalTest = false;

  try {
    result = newJavaInteger( value );
  } catch ( e ) {
    result = String( e );
  } finally {
    finalTest = true;
  }
  new TestCase(
    SECTION,
    "newJavaValue( " + value +" )",
    expect,
    result);

  new TestCase(
    SECTION,
    "newJavaValue( " + value +" ) hit finally block",
    true,
    finalTest);

}