WITH REPORT;
PROCEDURE C54A42D IS
USE REPORT ;
BEGIN
TEST( "C54A42D" , "TEST THAT A CASE_STATEMENT CORRECTLY HANDLES" &
" A FEW ALTERNATIVES COVERING A LARGE RANGE" &
" OF INTEGERS" );
DECLARE
NUMBER : CONSTANT := 2000 ;
LITEXPR : CONSTANT := NUMBER + 2000 ;
STATCON : CONSTANT INTEGER := 2001 ;
DYNVAR : INTEGER := IDENT_INT( 0 );
DYNCON : CONSTANT INTEGER := IDENT_INT( 1 );
BEGIN
CASE INTEGER'(-4000) IS
WHEN 1..2000 => FAILED("WRONG ALTERNATIVE F1");
WHEN INTEGER'FIRST..0=> NULL ;
WHEN 2001 => FAILED("WRONG ALTERNATIVE F3");
WHEN 2002..INTEGER'LAST=>FAILED("WRONG ALTERNATIVE F4");
END CASE;
CASE INTEGER'(NUMBER) IS
WHEN 1..2000 => NULL ;
WHEN INTEGER'FIRST..0=> FAILED("WRONG ALTERNATIVE G2");
WHEN 2001 => FAILED("WRONG ALTERNATIVE G3");
WHEN 2002..INTEGER'LAST=>FAILED("WRONG ALTERNATIVE G4");
END CASE;
CASE IDENT_INT(LITEXPR) IS
WHEN 1..2000 => FAILED("WRONG ALTERNATIVE H1");
WHEN INTEGER'FIRST..0=> FAILED("WRONG ALTERNATIVE H2");
WHEN 2001 => FAILED("WRONG ALTERNATIVE H3");
WHEN 2002..INTEGER'LAST=>NULL ;
END CASE;
CASE STATCON IS
WHEN 1..2000 => FAILED("WRONG ALTERNATIVE I1");
WHEN INTEGER'FIRST..0=> FAILED("WRONG ALTERNATIVE I2");
WHEN 2001 => NULL ;
WHEN 2002..INTEGER'LAST=>FAILED("WRONG ALTERNATIVE I4");
END CASE;
CASE DYNVAR IS
WHEN 1..2000 => FAILED("WRONG ALTERNATIVE J1");
WHEN INTEGER'FIRST..0=> NULL ;
WHEN 2001 => FAILED("WRONG ALTERNATIVE J3");
WHEN 2002..INTEGER'LAST=>FAILED("WRONG ALTERNATIVE J4");
END CASE;
CASE DYNCON IS
WHEN 1..2000 => NULL ;
WHEN INTEGER'FIRST..0=> FAILED("WRONG ALTERNATIVE K2");
WHEN 2001 => FAILED("WRONG ALTERNATIVE K3");
WHEN 2002..INTEGER'LAST=>FAILED("WRONG ALTERNATIVE K4");
END CASE;
END ;
RESULT ;
END C54A42D ;