tests/mozilla/ecma_2/Statements/try-001.js

   1 /**
   2  *  File Name:          try-001.js
   3  *  ECMA Section:
   4  *  Description:        The try statement
   5  *
   6  *  This test contains try, catch, and finally blocks.  An exception is
   7  *  sometimes thrown by a function called from within the try block.
   8  *
   9  *  This test doesn't actually make any LiveConnect calls.
  10  *
  11  *
  12  *  Author:             christine@netscape.com
  13  *  Date:               11 August 1998
  14  */
  15     var SECTION = "";
  16     var VERSION = "ECMA_2";
  17     var TITLE   = "The try statement";
  18
  19     startTest();
  20     writeHeaderToLog( SECTION + " "+ TITLE);
  21
  22     var tc = 0;
  23     var testcases = new Array();
  24
  25     var INVALID_JAVA_INTEGER_VALUE = "Invalid value for java.lang.Integer constructor";
  26
  27     TryNewJavaInteger( "3.14159", INVALID_JAVA_INTEGER_VALUE );
  28     TryNewJavaInteger( NaN, INVALID_JAVA_INTEGER_VALUE );
  29     TryNewJavaInteger( 0,  0 );
  30     TryNewJavaInteger( -1, -1 );
  31     TryNewJavaInteger( 1,  1 );
  32     TryNewJavaInteger( Infinity, Infinity );
  33
  34     test();
  35
  36     /**
  37      *  Check to see if the input is valid for java.lang.Integer. If it is
  38      *  not valid, throw INVALID_JAVA_INTEGER_VALUE.  If input is valid,
  39      *  return Number( v )
  40      *
  41      */
  42
  43     function newJavaInteger( v ) {
  44         value = Number( v );
  45         if ( Math.floor(value) != value || isNaN(value) ) {
  46             throw ( INVALID_JAVA_INTEGER_VALUE );
  47         } else {
  48             return value;
  49         }
  50     }
  51
  52     /**
  53      *  Call newJavaInteger( value ) from within a try block.  Catch any
  54      *  exception, and store it in result.  Verify that we got the right
  55      *  return value from newJavaInteger in cases in which we do not expect
  56      *  exceptions, and that we got the exception in cases where an exception
  57      *  was expected.
  58      */
  59     function TryNewJavaInteger( value, expect ) {
  60         var finalTest = false;
  61
  62         try {
  63             result = newJavaInteger( value );
  64         } catch ( e ) {
  65             result = String( e );
  66         } finally {
  67             finalTest = true;
  68         }
  69             testcases[tc++] = new TestCase(
  70                 SECTION,
  71                 "newJavaValue( " + value +" )",
  72                 expect,
  73                 result);
  74
  75             testcases[tc++] = new TestCase(
  76                 SECTION,
  77                 "newJavaValue( " + value +" ) hit finally block",
  78                 true,
  79                 finalTest);
  80
  81     }
  82