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-- C34007U.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 DERIVED ACCESS TYPES WHOSE DESIGNATED TYPE IS A PRIVATE TYPE

-- WITH DISCRIMINANTS:

--   CHECK THAT ALL VALUES OF THE PARENT (BASE) TYPE ARE PRESENT FOR THE

--   DERIVED (BASE) TYPE WHEN THE DERIVED TYPE DEFINITION IS

--   CONSTRAINED.

--   CHECK THAT ANY CONSTRAINT IMPOSED ON THE PARENT SUBTYPE IS ALSO

--   IMPOSED ON THE DERIVED SUBTYPE.

-- JRK 9/30/86

WITH REPORT; USE REPORT;

PROCEDURE C34007U IS

     SUBTYPE COMPONENT IS INTEGER;

     PACKAGE PKG_D IS

          SUBTYPE LENGTH IS NATURAL RANGE 0 .. 10;

          TYPE DESIGNATED (B : BOOLEAN := TRUE; L : LENGTH := 1) IS

                          PRIVATE;

          FUNCTION CREATE ( B : BOOLEAN;

                            L : LENGTH;

                            I : INTEGER;

                            S : STRING;

                            C : COMPONENT;

                            F : FLOAT

                          ) RETURN DESIGNATED;

     PRIVATE

          TYPE DESIGNATED (B : BOOLEAN := TRUE; L : LENGTH := 1) IS

               RECORD

                    I : INTEGER := 2;

                    CASE B IS

                         WHEN TRUE =>

                              S : STRING (1 .. L) := (1 .. L => 'A');

                              C : COMPONENT := 2;

                         WHEN FALSE =>

                              F : FLOAT := 5.0;

                    END CASE;

               END RECORD;

     END PKG_D;

     USE PKG_D;

     PACKAGE PKG_P IS

          TYPE PARENT IS ACCESS DESIGNATED;

          FUNCTION CREATE ( B : BOOLEAN;

                            L : LENGTH;

                            I : INTEGER;

                            S : STRING;

                            C : COMPONENT;

                            F : FLOAT;

                            X : PARENT  -- TO RESOLVE OVERLOADING.

                          ) RETURN PARENT;

     END PKG_P;

     USE PKG_P;

     TYPE T IS NEW PARENT (IDENT_BOOL (TRUE), IDENT_INT (3));

     SUBTYPE SUBPARENT IS PARENT (TRUE, 3);

     TYPE S IS NEW SUBPARENT;

     X : T := NEW DESIGNATED (TRUE, 3);

     Y : S := NEW DESIGNATED (TRUE, 3);

     PACKAGE BODY PKG_D IS

          FUNCTION CREATE

             ( B : BOOLEAN;

               L : LENGTH;

               I : INTEGER;

               S : STRING;

               C : COMPONENT;

               F : FLOAT

             ) RETURN DESIGNATED

          IS

          BEGIN

               CASE B IS

                    WHEN TRUE =>

                         RETURN (TRUE, L, I, S, C);

                    WHEN FALSE =>

                         RETURN (FALSE, L, I, F);

               END CASE;

          END CREATE;

     END PKG_D;

     PACKAGE BODY PKG_P IS

          FUNCTION CREATE

             ( B : BOOLEAN;

               L : LENGTH;

               I : INTEGER;

               S : STRING;

               C : COMPONENT;

               F : FLOAT;

               X : PARENT

             ) RETURN PARENT

          IS

          BEGIN

               RETURN NEW DESIGNATED'(CREATE (B, L, I, S, C, F));

          END CREATE;

     END PKG_P;

BEGIN

     TEST ("C34007U", "CHECK THAT ALL VALUES OF THE PARENT (BASE) " &

                      "TYPE ARE PRESENT FOR THE DERIVED (BASE) TYPE " &

                      "WHEN THE DERIVED TYPE DEFINITION IS " &

                      "CONSTRAINED.  ALSO CHECK THAT ANY CONSTRAINT " &

                      "IMPOSED ON THE PARENT SUBTYPE IS ALSO IMPOSED " &

                      "ON THE DERIVED SUBTYPE.  CHECK FOR DERIVED " &

                      "ACCESS TYPES WHOSE DESIGNATED TYPE IS A " &

                      "PRIVATE TYPE WITH DISCRIMINANTS");

     -- CHECK THAT BASE TYPE VALUES NOT IN THE SUBTYPE ARE PRESENT.

     IF CREATE (FALSE, 2, 3, "WW", 5, 6.0, X) . ALL /=

        CREATE (FALSE, 2, 3, "ZZ", 7, 6.0) OR

        CREATE (FALSE, 2, 3, "WW", 5, 6.0, Y) . ALL /=

        CREATE (FALSE, 2, 3, "ZZ", 7, 6.0) THEN

          FAILED ("CAN'T CREATE BASE TYPE VALUES OUTSIDE THE SUBTYPE");

     END IF;

     IF CREATE (FALSE, 2, 3, "ZZ", 5, 6.0, X) IN T OR

        CREATE (FALSE, 2, 3, "ZZ", 5, 6.0, Y) IN S THEN

          FAILED ("INCORRECT ""IN""");

     END IF;

     -- CHECK THE DERIVED SUBTYPE CONSTRAINT.

     IF X.B /= TRUE OR X.L /= 3 OR

        Y.B /= TRUE OR Y.L /= 3 THEN

          FAILED ("INCORRECT SELECTION OF DISCRIMINANT VALUES");

     END IF;

     BEGIN

          X := NEW DESIGNATED'(CREATE (TRUE, 3, 1, "ABC", 4, 1.0));

          Y := NEW DESIGNATED'(CREATE (TRUE, 3, 1, "ABC", 4, 1.0));

          IF PARENT (X) = PARENT (Y) OR  -- USE X AND Y.

             X.ALL /= Y.ALL THEN

               FAILED ("INCORRECT ALLOCATOR OR CONVERSION TO PARENT");

          END IF;

     EXCEPTION

          WHEN OTHERS =>

               FAILED ("EXCEPTION RAISED BY OK ASSIGNMENT");

     END;

     BEGIN

          X := NEW DESIGNATED'(CREATE (FALSE, 3, 2, "ZZZ", 5, 6.0));

          FAILED ("CONSTRAINT_ERROR NOT RAISED -- " &

                  "X := NEW DESIGNATED'" &

                  "(CREATE (FALSE, 3, 2, ""ZZZ"", 5, 6.0))");

          IF X = NULL OR ELSE

             X.ALL = CREATE (FALSE, 3, 2, "ZZZ", 5, 6.0) THEN  -- USE X.

               COMMENT ("X ALTERED -- " &

                        "X := NEW DESIGNATED'" &

                        "(CREATE (FALSE, 3, 2, ""ZZZ"", 5, 6.0))");

          END IF;

     EXCEPTION

          WHEN CONSTRAINT_ERROR =>

               NULL;

          WHEN OTHERS =>

               FAILED ("WRONG EXCEPTION RAISED -- " &

                       "X := NEW DESIGNATED'" &

                       "(CREATE (FALSE, 3, 2, ""ZZZ"", 5, 6.0))");

     END;

     BEGIN

          X := NEW DESIGNATED'(CREATE (TRUE, 4, 2, "ZZZZ", 6, 7.0));

          FAILED ("CONSTRAINT_ERROR NOT RAISED -- " &

                  "X := NEW DESIGNATED'" &

                  "(CREATE (TRUE, 4, 2, ""ZZZZ"", 6, 7.0))");

          IF X = NULL OR ELSE

             X.ALL = CREATE (TRUE, 4, 2, "ZZZZ", 6, 7.0) THEN  -- USE X.

               COMMENT ("X ALTERED -- " &

                        "X := NEW DESIGNATED'" &

                        "(CREATE (TRUE, 4, 2, ""ZZZZ"", 6, 7.0))");

          END IF;

     EXCEPTION

          WHEN CONSTRAINT_ERROR =>

               NULL;

          WHEN OTHERS =>

               FAILED ("WRONG EXCEPTION RAISED -- " &

                       "X := NEW DESIGNATED'" &

                       "(CREATE (TRUE, 4, 2, ""ZZZZ"", 6, 7.0))");

     END;

     BEGIN

          Y := NEW DESIGNATED'(CREATE (FALSE, 3, 2, "ZZZ", 5, 6.0));

          FAILED ("CONSTRAINT_ERROR NOT RAISED -- " &

                  "Y := NEW DESIGNATED'" &

                  "(CREATE (FALSE, 3, 2, ""ZZZ"", 5, 6.0))");

          IF Y = NULL OR ELSE

             Y.ALL = CREATE (FALSE, 3, 2, "ZZZ", 5, 6.0) THEN  -- USE Y.

               COMMENT ("Y ALTERED -- " &

                        "Y := NEW DESIGNATED'" &

                        "(CREATE (FALSE, 3, 2, ""ZZZ"", 5, 6.0))");

          END IF;

     EXCEPTION

          WHEN CONSTRAINT_ERROR =>

               NULL;

          WHEN OTHERS =>

               FAILED ("WRONG EXCEPTION RAISED -- " &

                       "Y := NEW DESIGNATED'" &

                       "(CREATE (FALSE, 3, 2, ""ZZZ"", 5, 6.0))");

     END;

     BEGIN

          Y := NEW DESIGNATED'(CREATE (TRUE, 4, 2, "ZZZZ", 6, 7.0));

          FAILED ("CONSTRAINT_ERROR NOT RAISED -- " &

                  "Y := NEW DESIGNATED'" &

                  "(CREATE (TRUE, 4, 2, ""ZZZZ"", 6, 7.0))");

          IF Y = NULL OR ELSE

             Y.ALL = CREATE (TRUE, 4, 2, "ZZZZ", 6, 7.0) THEN  -- USE Y.

               COMMENT ("Y ALTERED -- " &

                        "Y := NEW DESIGNATED'" &

                        "(CREATE (TRUE, 4, 2, ""ZZZZ"", 6, 7.0))");

          END IF;

     EXCEPTION

          WHEN CONSTRAINT_ERROR =>

               NULL;

          WHEN OTHERS =>

               FAILED ("WRONG EXCEPTION RAISED -- " &

                       "Y := NEW DESIGNATED'" &

                       "(CREATE (TRUE, 4, 2, ""ZZZZ"", 6, 7.0))");

     END;

     RESULT;

END C34007U;