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-- C34001F.ADA

--                             Grant of Unlimited Rights

--

--     Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,

--     F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained 

--     unlimited rights in the software and documentation contained herein.

--     Unlimited rights are defined in DFAR 252.227-7013(a)(19).  By making 

--     this public release, the Government intends to confer upon all 

--     recipients unlimited rights  equal to those held by the Government.  

--     These rights include rights to use, duplicate, release or disclose the 

--     released technical data and computer software in whole or in part, in 

--     any manner and for any purpose whatsoever, and to have or permit others 

--     to do so.

--

--                                    DISCLAIMER

--

--     ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR

--     DISCLOSED ARE AS IS.  THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED 

--     WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE

--     SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE 

--     OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A

--     PARTICULAR PURPOSE OF SAID MATERIAL.

--*

-- FOR DERIVED BOOLEAN TYPES:

--   CHECK THAT ALL VALUES OF THE PARENT (BASE) TYPE ARE PRESENT FOR THE

--   DERIVED (BASE) TYPE WHEN THE DERIVED TYPE DEFINITION IS

--   CONSTRAINED.

--   CHECK THAT ANY CONSTRAINT IMPOSED ON THE PARENT SUBTYPE IS ALSO

--   IMPOSED ON THE DERIVED SUBTYPE.

-- JRK 8/20/86

WITH REPORT; USE REPORT;

PROCEDURE C34001F IS

     SUBTYPE PARENT IS BOOLEAN;

     TYPE T IS NEW PARENT RANGE

               PARENT'VAL (IDENT_INT (PARENT'POS (FALSE))) ..

               PARENT'VAL (IDENT_INT (PARENT'POS (FALSE)));

     SUBTYPE SUBPARENT IS PARENT RANGE TRUE .. TRUE;

     TYPE S IS NEW SUBPARENT;

     X : T;

     Y : S;

BEGIN

     TEST ("C34001F", "CHECK THAT ALL VALUES OF THE PARENT (BASE) " &

                      "TYPE ARE PRESENT FOR THE DERIVED (BASE) TYPE " &

                      "WHEN THE DERIVED TYPE DEFINITION IS " &

                      "CONSTRAINED.  ALSO CHECK THAT ANY CONSTRAINT " &

                      "IMPOSED ON THE PARENT SUBTYPE IS ALSO IMPOSED " &

                      "ON THE DERIVED SUBTYPE.  CHECK FOR DERIVED " &

                      "BOOLEAN TYPES");

     -- CHECK THAT BASE TYPE VALUES NOT IN THE SUBTYPE ARE PRESENT.

     IF T'BASE'FIRST /= FALSE OR T'BASE'LAST /= TRUE OR

        S'BASE'FIRST /= FALSE OR S'BASE'LAST /= TRUE THEN

          FAILED ("INCORRECT 'BASE'FIRST OR 'BASE'LAST");

     END IF;

     IF T'PRED (TRUE) /= FALSE OR T'SUCC (FALSE) /= TRUE OR

        S'PRED (TRUE) /= FALSE OR S'SUCC (FALSE) /= TRUE THEN

          FAILED ("INCORRECT 'PRED OR 'SUCC");

     END IF;

     -- CHECK THE DERIVED SUBTYPE CONSTRAINT.

     IF T'FIRST /= FALSE OR T'LAST /= FALSE OR

        S'FIRST /= TRUE  OR S'LAST /= TRUE  THEN

          FAILED ("INCORRECT 'FIRST OR 'LAST");

     END IF;

     BEGIN

          X := FALSE;

          Y := TRUE;

          IF NOT PARENT (X) /= PARENT (Y) THEN  -- USE X AND Y.

               FAILED ("INCORRECT CONVERSION TO PARENT");

          END IF;

     EXCEPTION

          WHEN OTHERS =>

               FAILED ("EXCEPTION RAISED BY OK ASSIGNMENT");

     END;

     BEGIN

          X := TRUE;

          FAILED ("CONSTRAINT_ERROR NOT RAISED -- X := TRUE");

          IF X = TRUE THEN  -- USE X.

               COMMENT ("X ALTERED -- X := TRUE");

          END IF;

     EXCEPTION

          WHEN CONSTRAINT_ERROR =>

               NULL;

          WHEN OTHERS =>

               FAILED ("WRONG EXCEPTION RAISED -- X := TRUE");

     END;

     BEGIN

          Y := FALSE;

          FAILED ("CONSTRAINT_ERROR NOT RAISED -- Y := FALSE");

          IF Y = FALSE THEN  -- USE Y.

               COMMENT ("Y ALTERED -- Y := FALSE");

          END IF;

     EXCEPTION

          WHEN CONSTRAINT_ERROR =>

               NULL;

          WHEN OTHERS =>

               FAILED ("WRONG EXCEPTION RAISED -- Y := FALSE");

     END;

     RESULT;

END C34001F;