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-- C54A13D.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.

--*

-- OBJECTIVE:

--     CHECK THAT IF A CASE EXPRESSION IS A FUNCTION INVOCATION,

--     ATTRIBUTE, STATIC EXPRESSION, OR ONE OF THESE IN PARENTHESES,

--     THEN ANY VALUE OF THE EXPRESSION'S BASE TYPE MAY APPEAR AS A

--     CHOICE.

-- HISTORY:

--     BCB 07/19/88  CREATED ORIGINAL TEST.

--     PWN 02/02/95  REMOVED INCONSISTENCIES WITH ADA 9X.

--     GJD 11/15/95  REMOVED ADA 95 INCOMPATIBLE ALTERNATIVE IN FIRST CASE.

WITH REPORT; USE REPORT;

PROCEDURE C54A13D IS

     SUBTYPE INT IS INTEGER RANGE -100 .. 100;

     CONS : CONSTANT INT := 0;

     C : INT;

     TYPE ENUM IS (ONE, TWO, THREE, FOUR, FIVE, SIX);

     SUBTYPE SUBENUM IS ENUM RANGE THREE .. FOUR;

     FUNCTION FUNC RETURN INT IS

     BEGIN

          RETURN 0;

     END FUNC;

BEGIN

     TEST ("C54A13D", "CHECK THAT IF A CASE EXPRESSION IS A FUNCTION " &

                      "INVOCATION, ATTRIBUTE, STATIC EXPRESSION, OR " &

                      "ONE OF THESE IN PARENTHESES, THEN ANY VALUE " &

                      "OF THE EXPRESSION'S BASE TYPE MAY APPEAR AS " &

                      "A CHOICE");

     CASE FUNC IS

          WHEN 0 => C := IDENT_INT (5);

          WHEN 100 => C := IDENT_INT (10);

          WHEN OTHERS => C := IDENT_INT (20);

     END CASE;

     IF NOT EQUAL (C,5) THEN

          FAILED ("IMPROPER CHOICE FOR CASE EXPRESSION WHICH IS A " &

                  "FUNCTION INVOCATION - 1");

     END IF;

     CASE (FUNC) IS

          WHEN 0 => C := IDENT_INT (25);

          WHEN 100 => C := IDENT_INT (50);

          WHEN -3000 => C := IDENT_INT (75);

          WHEN OTHERS => C := IDENT_INT (90);

     END CASE;

     IF NOT EQUAL (C,25) THEN

          FAILED ("IMPROPER CHOICE FOR CASE EXPRESSION WHICH IS A " &

                  "FUNCTION INVOCATION - 2");

     END IF;

     CASE SUBENUM'FIRST IS

          WHEN ONE => C := IDENT_INT (100);

          WHEN TWO => C := IDENT_INT (99);

          WHEN THREE => C := IDENT_INT (98);

          WHEN FOUR => C := IDENT_INT (97);

          WHEN FIVE => C := IDENT_INT (96);

          WHEN SIX => C := IDENT_INT (95);

     END CASE;

     IF NOT EQUAL (C,98) THEN

          FAILED ("IMPROPER CHOICE FOR CASE EXPRESSION WHICH IS AN " &

                  "ATTRIBUTE - 1");

     END IF;

     CASE (SUBENUM'FIRST) IS

          WHEN ONE => C := IDENT_INT (90);

          WHEN TWO => C := IDENT_INT (89);

          WHEN THREE => C := IDENT_INT (88);

          WHEN FOUR => C := IDENT_INT (87);

          WHEN FIVE => C := IDENT_INT (86);

          WHEN SIX => C := IDENT_INT (85);

     END CASE;

     IF NOT EQUAL (C,88) THEN

          FAILED ("IMPROPER CHOICE FOR CASE EXPRESSION WHICH IS AN " &

                  "ATTRIBUTE - 2");

     END IF;

     CASE CONS * 1 IS

          WHEN 0 => C := IDENT_INT (1);

          WHEN 100 => C := IDENT_INT (2);

          WHEN -3000 => C := IDENT_INT (3);

          WHEN OTHERS => C := IDENT_INT (4);

     END CASE;

     IF NOT EQUAL (C,1) THEN

          FAILED ("IMPROPER CHOICE FOR CASE EXPRESSION WHICH IS A " &

                  "STATIC EXPRESSION - 1");

     END IF;

     CASE (CONS * 1) IS

          WHEN 0 => C := IDENT_INT (10);

          WHEN 100 => C := IDENT_INT (20);

          WHEN -3000 => C := IDENT_INT (30);

          WHEN OTHERS => C := IDENT_INT (40);

     END CASE;

     IF NOT EQUAL (C,10) THEN

          FAILED ("IMPROPER CHOICE FOR CASE EXPRESSION WHICH IS A " &

                  "STATIC EXPRESSION - 2");

     END IF;

     RESULT;

END C54A13D;