Subversion Repositories openrisc_2011-10-31

-- C34006F.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:

--     FOR DERIVED RECORD TYPES WITH DISCRIMINANTS AND WITH NON-LIMITED

--     COMPONENT TYPES:

--     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.

-- HISTORY:

--     JRK 9/22/86  CREATED ORIGINAL TEST.

WITH REPORT; USE REPORT;

PROCEDURE C34006F IS

     SUBTYPE COMPONENT IS INTEGER;

     PACKAGE PKG IS

          MAX_LEN : CONSTANT := 10;

          SUBTYPE LENGTH IS NATURAL RANGE 0 .. MAX_LEN;

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

               RECORD

                    I : INTEGER;

                    CASE B IS

                         WHEN TRUE =>

                              S : STRING (1 .. L);

                              C : COMPONENT;

                         WHEN FALSE =>

                              F : FLOAT := 5.0;

                    END CASE;

               END RECORD;

          FUNCTION CREATE ( B : BOOLEAN;

                            L : LENGTH;

                            I : INTEGER;

                            S : STRING;

                            C : COMPONENT;

                            F : FLOAT;

                            X : PARENT  -- TO RESOLVE OVERLOADING.

                          ) RETURN PARENT;

     END PKG;

     USE PKG;

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

     SUBTYPE SUBPARENT IS PARENT (TRUE, 3);

     TYPE S IS NEW SUBPARENT;

     X : T := (TRUE, 3, 2, "AAA", 2);

     Y : S := (TRUE, 3, 2, "AAA", 2);

     PACKAGE BODY PKG IS

          FUNCTION CREATE

             ( B : BOOLEAN;

               L : LENGTH;

               I : INTEGER;

               S : STRING;

               C : COMPONENT;

               F : FLOAT;

               X : PARENT

             ) RETURN PARENT

          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;

BEGIN

     TEST ("C34006F", "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 " &

                      "RECORD TYPES WITH DISCRIMINANTS AND WITH " &

                      "NON-LIMITED COMPONENT TYPES");

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

     BEGIN

          IF CREATE (FALSE, 2, 3, "ZZ", 5, 6.0, X) /=

             (FALSE, 2, 3, 6.0) OR

             CREATE (FALSE, 2, 3, "ZZ", 5, 6.0, Y) /=

             (FALSE, 2, 3, 6.0) THEN

               FAILED ("CAN'T CREATE BASE TYPE VALUES OUTSIDE THE " &

                       "SUBTYPE");

          END IF;

     EXCEPTION

          WHEN CONSTRAINT_ERROR =>

               FAILED ("CALL TO CREATE RAISED CONSTRAINT_ERROR - 1");

          WHEN OTHERS =>

               FAILED ("CALL TO CREATE RAISED EXCEPTION - 1");

     END;

     BEGIN

          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;

     EXCEPTION

          WHEN CONSTRAINT_ERROR =>

               FAILED ("CALL TO CREATE RAISED CONSTRAINT_ERROR - 2");

          WHEN OTHERS =>

               FAILED ("CALL TO CREATE RAISED EXCEPTION - 2");

     END;

     -- 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;

     IF NOT X'CONSTRAINED OR NOT Y'CONSTRAINED THEN

          FAILED ("INCORRECT 'CONSTRAINED");

     END IF;

     BEGIN

          X := (TRUE, 3, 1, "ABC", 4);

          Y := (TRUE, 3, 1, "ABC", 4);

          IF PARENT (X) /= PARENT (Y) THEN  -- USE X AND Y.

               FAILED ("INCORRECT CONVERSION TO PARENT");

          END IF;

     EXCEPTION

          WHEN OTHERS =>

               FAILED ("EXCEPTION RAISED BY OK ASSIGNMENT");

     END;

     BEGIN

          X := (FALSE, 3, 2, 6.0);

          FAILED ("CONSTRAINT_ERROR NOT RAISED -- " &

                  "X := (FALSE, 3, 2, 6.0)");

          IF X = (FALSE, 3, 2, 6.0) THEN  -- USE X.

               COMMENT ("X ALTERED -- X := (FALSE, 3, 2, 6.0)");

          END IF;

     EXCEPTION

          WHEN CONSTRAINT_ERROR =>

               NULL;

          WHEN OTHERS =>

               FAILED ("WRONG EXCEPTION RAISED -- " &

                       "X := (FALSE, 3, 2, 6.0)");

     END;

     BEGIN

          X := (TRUE, 4, 2, "ZZZZ", 6);

          FAILED ("CONSTRAINT_ERROR NOT RAISED -- " &

                  "X := (TRUE, 4, 2, ""ZZZZ"", 6)");

          IF X = (TRUE, 4, 2, "ZZZZ", 6) THEN  -- USE X.

               COMMENT ("X ALTERED -- X := (TRUE, 4, 2, ""ZZZZ"", 6)");

          END IF;

     EXCEPTION

          WHEN CONSTRAINT_ERROR =>

               NULL;

          WHEN OTHERS =>

               FAILED ("WRONG EXCEPTION RAISED -- " &

                       "X := (TRUE, 4, 2, ""ZZZZ"", 6)");

     END;

     BEGIN

          Y := (FALSE, 3, 2, 6.0);

          FAILED ("CONSTRAINT_ERROR NOT RAISED -- " &

                  "Y := (FALSE, 3, 2, 6.0)");

          IF Y = (FALSE, 3, 2, 6.0) THEN  -- USE Y.

               COMMENT ("Y ALTERED -- Y := (FALSE, 3, 2, 6.0)");

          END IF;

     EXCEPTION

          WHEN CONSTRAINT_ERROR =>

               NULL;

          WHEN OTHERS =>

               FAILED ("WRONG EXCEPTION RAISED -- " &

                       "Y := (FALSE, 3, 2, 6.0)");

     END;

     BEGIN

          Y := (TRUE, 4, 2, "ZZZZ", 6);

          FAILED ("CONSTRAINT_ERROR NOT RAISED -- " &

                  "Y := (TRUE, 4, 2, ""ZZZZ"", 6)");

          IF Y = (TRUE, 4, 2, "ZZZZ", 6) THEN  -- USE Y.

               COMMENT ("Y ALTERED -- Y := (TRUE, 4, 2, ""ZZZZ"", 6)");

          END IF;

     EXCEPTION

          WHEN CONSTRAINT_ERROR =>

               NULL;

          WHEN OTHERS =>

               FAILED ("WRONG EXCEPTION RAISED -- " &

                       "Y := (TRUE, 4, 2, ""ZZZZ"", 6)");

     END;

     RESULT;

END C34006F;