c48007b.ada

来自「用于进行gcc测试」· ADA 代码 · 共 134 行

-- C48007B.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 ALLOCATORS OF THE FORM "NEW T", CHECK THAT CONSTRAINT_ERROR IS
-- RAISED IF T IS A CONSTRAINED TYPE WITH DISCRIMINANTS (RECORD, PRIVATE
-- OR LIMITED) AND AT LEAST ONE DISCRIMINANT VALUE SPECIFIED FOR T DOES
-- NOT EQUAL THE CORRESPONDING VALUE SPECIFIED FOR THE ALLOCATOR'S BASE
-- TYPE.

-- EG  08/10/84

WITH REPORT;

PROCEDURE C48007B IS

     USE REPORT;

BEGIN

     TEST("C48007B","FOR ALLOCATORS OF THE FORM 'NEW T' CHECK " &
                    "THAT CONSTRAINT_ERROR IS RAISED WHEN "     &
                    "APPROPRIATE - CONSTRAINED TYPE WITH "      &
                    "DISCRIMINANT");

     DECLARE

          TYPE UR(A, B : INTEGER) IS
               RECORD
                    C : INTEGER;
               END RECORD;

          PACKAGE P IS

               TYPE UP(A, B : INTEGER) IS PRIVATE;
               TYPE UL(A, B : INTEGER) IS LIMITED PRIVATE;

          PRIVATE

               TYPE UP(A, B : INTEGER) IS
                    RECORD
                         C : INTEGER;
                    END RECORD;
               TYPE UL(A, B : INTEGER) IS
                    RECORD
                         C : INTEGER;
                    END RECORD;

          END P;

          USE P;

          SUBTYPE CR IS UR(1, 2);
          SUBTYPE CP IS UP(12, 13);
          SUBTYPE CL IS UL(4, 4);

          TYPE A_UR IS ACCESS UR(1, 9);
          TYPE A_UP IS ACCESS UP(9, 13);
          TYPE A_UL IS ACCESS UL(4, 9);

          VUR : A_UR;
          VUP : A_UP;
          VUL : A_UL;

     BEGIN

          BEGIN -- CR

               VUR := NEW CR;
               FAILED("NO EXCEPTION RAISED - CR");

          EXCEPTION

               WHEN CONSTRAINT_ERROR =>
                    NULL;
               WHEN OTHERS =>
                    FAILED("WRONG EXCEPTION RAISED - CR");

          END;

          BEGIN -- CP

               VUP := NEW CP;
               FAILED("NO EXCEPTION RAISED - CP");

          EXCEPTION

               WHEN CONSTRAINT_ERROR =>
                    NULL;
               WHEN OTHERS =>
                    FAILED("WRONG EXCEPTION RAISED - CP");

          END;

          BEGIN -- CL

               VUL := NEW CL;
               FAILED("NO EXCEPTION RAISED - CL");

          EXCEPTION

               WHEN CONSTRAINT_ERROR =>
                    NULL;
               WHEN OTHERS =>
                    FAILED("WRONG EXCEPTION RAISED - CL");

          END;

     END;

     RESULT;

END C48007B;