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-- C64105B.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.

--*

-- CHECK THAT CONSTRAINT_ERROR IS NOT RAISED FOR ACCESS PARAMETERS

--   IN THE FOLLOWING CIRCUMSTANCES:

--       (1) BEFORE THE CALL, WHEN AN IN OR IN OUT ACTUAL ACCESS

--           PARAMETER HAS VALUE NULL, BUT WITH CONSTRAINTS DIFFERENT 

--           FROM THE FORMAL PARAMETER.

--       (2)

--       (3)

--   SUBTESTS ARE:

--       (A) CASE 1, IN MODE, STATIC ONE DIMENSIONAL BOUNDS.

--       (B) CASE 1, IN OUT MODE, DYNAMIC RECORD DISCRIMINANTS.

--       (C) CASE (A), BUT ACTUAL PARAMETER IS A TYPE CONVERSION.

--       (D) CASE (B), BUT ACTUAL PARAMETER IS A TYPE CONVERSION.

-- JRK 3/20/81

-- SPS 10/26/82

-- CPP 8/6/84

WITH REPORT;

PROCEDURE C64105B IS

     USE REPORT;

BEGIN

     TEST ("C64105B", "CHECK THAT CONSTRAINT_ERROR IS NOT RAISED " &

           "BEFORE THE CALL, WHEN AN IN OR IN OUT ACTUAL ACCESS " &

           "PARAMETER HAS VALUE NULL, BUT WITH CONSTRAINTS DIFFERENT " &

           "FROM THE FORMAL PARAMETER" );

     --------------------------------------------------

     DECLARE -- (A)

          TYPE E IS (E1, E2, E3, E4);

          TYPE T IS ARRAY (E RANGE <>) OF INTEGER;

          TYPE A IS ACCESS T;

          SUBTYPE SA IS A(E2..E4);

          V : A (E1..E2) := NULL;

          PROCEDURE P (X : SA ) IS

          BEGIN

               NULL;

          EXCEPTION

               WHEN OTHERS =>

                    FAILED ("EXCEPTION RAISED IN PROCEDURE - (A)");

          END P;

     BEGIN -- (A)

          P (V);

     EXCEPTION

          WHEN OTHERS =>

               FAILED ("EXCEPTION RAISED - (A)");

     END; -- (A)

     --------------------------------------------------

     DECLARE -- (B)

          TYPE ARR IS ARRAY (CHARACTER RANGE <>) OF INTEGER;

          TYPE T (B : BOOLEAN := FALSE; C : CHARACTER := 'A') IS

               RECORD

                    I : INTEGER;

                    CASE B IS

                         WHEN FALSE =>

                              J : INTEGER;

                         WHEN TRUE =>

                              A : ARR ('A' .. C);

                    END CASE;

               END RECORD;

          TYPE A IS ACCESS T;

          SUBTYPE SA IS A(TRUE, 'C');

          V : A (IDENT_BOOL(FALSE), IDENT_CHAR('B')) := NULL;

          PROCEDURE P (X : IN OUT SA ) IS

          BEGIN

               NULL;

          EXCEPTION

               WHEN OTHERS =>

                    FAILED ("EXCEPTION RAISED IN PROCEDURE - (B)");

          END P;

     BEGIN -- (B)

          P (V);

     EXCEPTION

          WHEN OTHERS =>

               FAILED ("EXCEPTION RAISED - (B)");

     END; -- (B)

     --------------------------------------------------

     DECLARE -- (C)

          TYPE E IS (E1, E2, E3, E4);

          TYPE T IS ARRAY (E RANGE <>) OF INTEGER;

          TYPE A IS ACCESS T;

          SUBTYPE SA IS A(E2..E4);

          V : A (E1..E2) := NULL;

          PROCEDURE P (X : SA ) IS

          BEGIN

               NULL;

          EXCEPTION

               WHEN OTHERS =>

                    FAILED ("EXCEPTION RAISED IN PROCEDURE - (C)");

          END P;

     BEGIN -- (C)

          P (SA(V));

     EXCEPTION

          WHEN OTHERS =>

               FAILED ("EXCEPTION RAISED - (C)");

     END; -- (C)

     --------------------------------------------------

     DECLARE -- (D)

          TYPE ARR IS ARRAY (CHARACTER RANGE <>) OF INTEGER;

          TYPE T (B : BOOLEAN := FALSE; C : CHARACTER := 'A') IS

               RECORD

                    I : INTEGER;

                    CASE B IS

                         WHEN FALSE =>

                              J : INTEGER;

                         WHEN TRUE =>

                              A : ARR ('A' .. C);

                    END CASE;

               END RECORD;

          TYPE A IS ACCESS T;

          SUBTYPE SA IS A(TRUE, 'C');

          V : A (IDENT_BOOL(FALSE), IDENT_CHAR('B')) := NULL;

          PROCEDURE P (X : IN OUT SA ) IS

          BEGIN

               NULL;

          EXCEPTION

               WHEN OTHERS =>

                    FAILED ("EXCEPTION RAISED IN PROCEDURE - (D)");

          END P;

     BEGIN -- (D)

          P (SA(V));

     EXCEPTION

          WHEN OTHERS =>

               FAILED ("EXCEPTION RAISED - (D)");

     END; -- (D)

     --------------------------------------------------

     RESULT;

END C64105B;