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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;