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-- C87B17A.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 OVERLOADING RESOLUTION USES THE RULE THAT:

-- THE INITIALIZATION EXPRESSION FOR A DEFAULT DISCRIMINANT

-- IN A TYPE DECLARATION MUST MATCH THE DISCRIMINANT'S EXPLICIT

-- TYPEMARK.

--

-- THE THREE KINDS OF TYPE DECLARATIONS TESTED HERE ARE:

--

--    (A): RECORD TYPE.

--    (B): PRIVATE TYPE.

--    (C): INCOMPLETE RECORD TYPE.

-- TRH  18 JUNE 82

WITH REPORT; USE REPORT;

PROCEDURE C87B17A IS

     TYPE WHOLE  IS NEW INTEGER RANGE 0..INTEGER'LAST;

     TYPE CITRUS IS (LEMON, LIME, ORANGE);

     TYPE HUE    IS (RED, ORANGE, YELLOW);

     FUNCTION F1 (X, Y : INTEGER) RETURN INTEGER IS

     BEGIN

          RETURN -1;

     END F1;

     FUNCTION F1 (X, Y : WHOLE) RETURN WHOLE IS

     BEGIN

          RETURN 0;

     END F1;

     FUNCTION F1 (X, Y : INTEGER) RETURN HUE IS

     BEGIN

          RETURN ORANGE;

     END F1;

     FUNCTION F1 (X, Y : INTEGER) RETURN CITRUS IS

     BEGIN

          RETURN ORANGE;

     END F1;

BEGIN

     TEST ("C87B17A","OVERLOADED INITIALIZATION EXPRESSIONS" &

           " IN DEFAULT DISCRIMINANTS");

     DECLARE

          FUNCTION "+" (X, Y : INTEGER) RETURN INTEGER

               RENAMES F1;

          FUNCTION "+" (X, Y : WHOLE)   RETURN WHOLE

               RENAMES F1;

          FUNCTION "+" (X, Y : INTEGER) RETURN HUE

               RENAMES F1;

          FUNCTION "+" (X, Y : INTEGER) RETURN CITRUS

               RENAMES F1;

          TYPE REC1 (I1 : INTEGER := 0 + 0; H1 : HUE := F1 (0, 0) ) IS

               RECORD

                    NULL;

               END RECORD;

          PACKAGE PVT IS

               TYPE REC2 (H2 : HUE := ORANGE; W2 : WHOLE := 0 + 0 )

                    IS PRIVATE;

          PRIVATE

               TYPE REC2 (H2 : HUE := ORANGE; W2 : WHOLE := 0 + 0 ) IS

                    RECORD

                         NULL;

                    END RECORD;

          END PVT;

          USE PVT;

          TYPE REC3 (C1 : CITRUS := ORANGE; W1 : WHOLE := "+" (0, 0));

          TYPE LINK IS ACCESS REC3;

          TYPE REC3 (C1 : CITRUS := ORANGE; W1 : WHOLE := "+" (0, 0)) IS

               RECORD

                    NULL;

               END RECORD;

          R1 : REC1;

          R2 : REC2;

          R3 : REC3;

     BEGIN

          IF R1.I1 /= -1 OR HUE'POS (R1.H1) /= 1 THEN

             FAILED ("(A): RESOLUTION INCORRECT FOR RECORD TYPES");

          END IF;

          IF HUE'POS (R2.H2) /=  1 OR R2.W2 /= 0 THEN

             FAILED ("(B): RESOLUTION INCORRECT FOR PRIVATE TYPES");

          END IF;

          IF CITRUS'POS (R3.C1) /= 2 OR R3.W1 /= 0 THEN

             FAILED ("(C): RESOLUTION INCORRECT FOR INCOMPLETE" &

                     " RECORD TYPES");

          END IF;

     END;

     RESULT;

END C87B17A;