[jboss-jira] [JBoss JIRA] Updated: (JBRULES-3112) Shift operator differs between Java and MVEL

[Geoffrey De Smet (JIRA)]

     [ https://issues.jboss.org/browse/JBRULES-3112?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Geoffrey De Smet updated JBRULES-3112:
--------------------------------------

    Fix Version/s: 5.3.0.Final
                       (was: 5.3.0.CR1)


> Shift operator differs between Java and MVEL
> --------------------------------------------
>
>                 Key: JBRULES-3112
>                 URL: https://issues.jboss.org/browse/JBRULES-3112
>             Project: Drools
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: drools-compiler (expert)
>    Affects Versions: 5.2.0.Final
>            Reporter: Wolfgang Laun
>            Assignee: Mark Proctor
>            Priority: Critical
>             Fix For: 5.3.0.Final
>
>
> The following DRL file can be run without and with "dialect 'mvel'"; in the latter case rules 2 and 4 do not fire, otherwise all 4 rules fire.
> *** Using dialect Java ***
> test1 1 << 65552 = 10000
> test1 1 << 65536 = 1
> test1 1 << 65568 = 1
> test2 1 << 4294967296 = 1
> test2 1 << 65536 = 1
> test2 1 << 65552 = 10000
> test2 1 << 65568 = 1
> test3 1 << 4294967296 = 1
> test3 1 << 65536 = 1
> test3 1 << 65552 = 10000
> test4 1 << 65552 = 10000
> test4 1 << 65536 = 1
> *** Using dialect MVEL ***
> test1 1 << 65552 = 10000
> test1 1 << 65536 = 1
> test1 1 << 65568 = 1
> test3 1 << 4294967296 = 1
> test3 1 << 65536 = 1
> test3 1 << 65552 = 10000
> === DRL ===
> # dialect "mvel"
> rule kickOff
> when
> then
>     insert( Integer.valueOf( 1 ) );
>     insert( Long.valueOf( 1 ) );
>     insert( Integer.valueOf( 65552 ) );   // 0x10010
>     insert( Long.valueOf( 65552 ) );
>     insert( Integer.valueOf( 65568 ) );   // 0x10020
>     insert( Long.valueOf( 65568 ) );
>     insert( Integer.valueOf( 65536  ) );  // 0x10000
>     insert( Long.valueOf( 65536L ) );
>     insert( Long.valueOf( 4294967296L ) );  // 0x100000000L
> end
> rule test1
> salience -1
> when
>    $a: Integer( $one:   intValue == 1 )
>    $b: Integer( $shift: intValue )
>    $c: Integer( $i: intValue, intValue == ($one << $shift ) )
> then
>     System.out.println( "test1 " + $a + " << " + $b + " = " + Integer.toHexString( $c ) );
> end
> rule test2
> salience -2
> when
>    $a: Integer( $one:   intValue == 1 )
>    $b:  Long   ( $shift: longValue )
>    $c: Integer( $i: intValue, intValue == ($one << $shift ) )
> then
>     System.out.println( "test2 " + $a + " << " + $b + " = " + Integer.toHexString( $c ) );
> end
> rule test3
> salience -3
> when
>    $a: Long   ( $one:   longValue == 1 )
>    $b: Long   ( $shift: longValue )
>    $c: Integer( $i: intValue, intValue == ($one << $shift ) )
> then
>     System.out.println( "test3 " + $a + " << " + $b + " = " + Integer.toHexString( $c ) );
> end
> rule test4
> salience -4
> when
>    $a: Long   ( $one:   longValue == 1 )
>    $b: Integer( $shift: intValue )
>    $c: Integer( $i: intValue, intValue == ($one << $shift ) )
> then
>     System.out.println( "test4 " + $a + " << " + $b + " = " + Integer.toHexString( $c ) );
> end

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