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-- C87B19A.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 OVERLOADING RESOLUTION USES THE RULE THAT:

--

--     SIMPLE EXPRESSIONS AND RANGE BOUNDS OF VARIANT CHOICES MUST MATCH

--     THE TYPE OF THE DISCRIMINANT'S EXPLICIT TYPEMARK.

--HISTORY:

--     DSJ 06/15/83 CREATED ORIGINAL TEST.

--     DHH 10/20/87 SHORTENED LINES CONTAINING MORE THAN 72 CHARACTERS.

WITH REPORT; USE REPORT;

PROCEDURE C87B19A IS

     TYPE COLOR  IS (YELLOW, RED, BLUE, GREEN, BROWN);

     TYPE SCHOOL IS (YALE, HARVARD, PRINCETON, BROWN, STANFORD);

     TYPE COOK   IS (BROIL, BAKE, BROWN, TOAST, FRY);

     TYPE MIXED  IS (GREEN, BROWN, YALE, BAKE, BLUE, FRY);

     RATING : INTEGER := 0;

     FUNCTION OK RETURN BOOLEAN IS

     BEGIN

          RATING := RATING + 1;

          RETURN FALSE;

     END OK;

     FUNCTION ERR RETURN BOOLEAN IS

     BEGIN

          FAILED ("VARIANT CHOICES MUST MATCH TYPE OF DISCRIMINANT");

          RETURN FALSE;

     END ERR;

BEGIN

     TEST ("C87B19A","OVERLOADED EXPRESSIONS AND RANGE BOUNDS" &

           " OF VARIANT CHOICES");

     DECLARE

          TYPE REC (X : MIXED := BROWN) IS

               RECORD

                    CASE X IS

                         WHEN GREEN .. BROWN  => NULL;

                         WHEN BLUE            => NULL;

                         WHEN FRY             => NULL;

                         WHEN YALE            => NULL;

                         WHEN OTHERS          => NULL;

                    END CASE;

               END RECORD;

          R1 : REC (X => FRY);

          R2 : REC (X => BLUE);

          R3 : REC (X => BAKE);

          R4 : REC (X => YALE);

          R5 : REC (X => BROWN);

          R6 : REC (X => GREEN);

     BEGIN

          IF MIXED'POS(R1.X) /= 5 THEN

             FAILED ("VARIANT CHOICES MUST MATCH TYPE OF " &

                     "DISCRIMINANT-R1");

          END IF;

          IF MIXED'POS(R2.X) /= 4 THEN

             FAILED ("VARIANT CHOICES MUST MATCH TYPE OF " &

                     "DISCRIMINANT-R2");

          END IF;

          IF MIXED'POS(R3.X) /= 3 THEN

             FAILED ("VARIANT CHOICES MUST MATCH TYPE OF " &

                     "DISCRIMINANT-R3");

          END IF;

          IF MIXED'POS(R4.X) /= 2 THEN

             FAILED ("VARIANT CHOICES MUST MATCH TYPE OF " &

                     "DISCRIMINANT-R4");

          END IF;

          IF MIXED'POS(R5.X) /= 1 THEN

             FAILED ("VARIANT CHOICES MUST MATCH TYPE OF " &

                     "DISCRIMINANT-R5");

          END IF;

          IF MIXED'POS(R6.X) /= 0 THEN

             FAILED ("VARIANT CHOICES MUST MATCH TYPE OF " &

                     "DISCRIMINANT-R6");

          END IF;

     END;

     RESULT;

END C87B19A;