| -- C34006L.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 A LIMITED |
| -- COMPONENT TYPE: |
| |
| -- 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 08/26/87 CREATED ORIGINAL TEST. |
| |
| WITH REPORT; USE REPORT; |
| |
| PROCEDURE C34006L IS |
| |
| PACKAGE PKG_L IS |
| |
| TYPE LP IS LIMITED PRIVATE; |
| |
| FUNCTION CREATE (X : INTEGER) RETURN LP; |
| |
| FUNCTION EQUAL (X, Y : LP) RETURN BOOLEAN; |
| |
| PROCEDURE ASSIGN (X : OUT LP; Y : LP); |
| |
| C2 : CONSTANT LP; |
| C4 : CONSTANT LP; |
| C5 : CONSTANT LP; |
| C6 : CONSTANT LP; |
| |
| PRIVATE |
| |
| TYPE LP IS NEW INTEGER; |
| |
| C2 : CONSTANT LP := 2; |
| C4 : CONSTANT LP := 4; |
| C5 : CONSTANT LP := 5; |
| C6 : CONSTANT LP := 6; |
| |
| END PKG_L; |
| |
| USE PKG_L; |
| |
| SUBTYPE COMPONENT IS LP; |
| |
| PACKAGE PKG_P IS |
| |
| MAX_LEN : CONSTANT := 10; |
| |
| SUBTYPE LENGTH IS NATURAL RANGE 0 .. MAX_LEN; |
| |
| TYPE PARENT (B : BOOLEAN := TRUE; L : LENGTH := 3) IS |
| RECORD |
| I : INTEGER := 2; |
| CASE B IS |
| WHEN TRUE => |
| S : STRING (1 .. L) := (1 .. L => 'A'); |
| 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; |
| |
| FUNCTION EQUAL (X, Y : PARENT) RETURN BOOLEAN; |
| |
| FUNCTION AGGR ( B : BOOLEAN; |
| L : LENGTH; |
| I : INTEGER; |
| S : STRING; |
| C : COMPONENT |
| ) RETURN PARENT; |
| |
| FUNCTION AGGR ( B : BOOLEAN; |
| L : LENGTH; |
| I : INTEGER; |
| F : FLOAT |
| ) 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; |
| Y : S; |
| |
| PACKAGE BODY PKG_L IS |
| |
| FUNCTION CREATE (X : INTEGER) RETURN LP IS |
| BEGIN |
| RETURN LP (IDENT_INT (X)); |
| END CREATE; |
| |
| FUNCTION EQUAL (X, Y : LP) RETURN BOOLEAN IS |
| BEGIN |
| RETURN X = Y; |
| END EQUAL; |
| |
| PROCEDURE ASSIGN (X : OUT LP; Y : LP) IS |
| BEGIN |
| X := Y; |
| END ASSIGN; |
| |
| END PKG_L; |
| |
| PACKAGE BODY PKG_P IS |
| |
| FUNCTION CREATE |
| ( B : BOOLEAN; |
| L : LENGTH; |
| I : INTEGER; |
| S : STRING; |
| C : COMPONENT; |
| F : FLOAT; |
| X : PARENT |
| ) RETURN PARENT |
| IS |
| A : PARENT (B, L); |
| BEGIN |
| A.I := I; |
| CASE B IS |
| WHEN TRUE => |
| A.S := S; |
| ASSIGN (A.C, C); |
| WHEN FALSE => |
| A.F := F; |
| END CASE; |
| RETURN A; |
| END CREATE; |
| |
| FUNCTION EQUAL (X, Y : PARENT) RETURN BOOLEAN IS |
| BEGIN |
| IF X.B /= Y.B OR X.L /= Y.L OR X.I /= Y.I THEN |
| RETURN FALSE; |
| END IF; |
| CASE X.B IS |
| WHEN TRUE => |
| RETURN X.S = Y.S AND EQUAL (X.C, Y.C); |
| WHEN FALSE => |
| RETURN X.F = Y.F; |
| END CASE; |
| END EQUAL; |
| |
| FUNCTION AGGR |
| ( B : BOOLEAN; |
| L : LENGTH; |
| I : INTEGER; |
| S : STRING; |
| C : COMPONENT |
| ) RETURN PARENT |
| IS |
| RESULT : PARENT (B, L); |
| BEGIN |
| RESULT.I := I; |
| RESULT.S := S; |
| ASSIGN (RESULT.C, C); |
| RETURN RESULT; |
| END AGGR; |
| |
| FUNCTION AGGR |
| ( B : BOOLEAN; |
| L : LENGTH; |
| I : INTEGER; |
| F : FLOAT |
| ) RETURN PARENT |
| IS |
| RESULT : PARENT (B, L); |
| BEGIN |
| RESULT.I := I; |
| RESULT.F := F; |
| RETURN RESULT; |
| END AGGR; |
| |
| END PKG_P; |
| |
| PROCEDURE ASSIGN (X : IN OUT T; Y : T) IS |
| BEGIN |
| X.I := Y.I; |
| X.S := Y.S; |
| ASSIGN (X.C, Y.C); |
| END ASSIGN; |
| |
| PROCEDURE ASSIGN (X : IN OUT S; Y : S) IS |
| BEGIN |
| X.I := Y.I; |
| X.S := Y.S; |
| ASSIGN (X.C, Y.C); |
| END ASSIGN; |
| |
| BEGIN |
| TEST ("C34006L", "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 A " & |
| "LIMITED COMPONENT TYPE"); |
| |
| ASSIGN (X.C, CREATE (2)); |
| ASSIGN (Y.C, C2); |
| |
| -- CHECK THAT BASE TYPE VALUES NOT IN THE SUBTYPE ARE PRESENT. |
| |
| IF NOT EQUAL (CREATE (FALSE, 2, 3, "ZZ", C5, 6.0, X), |
| AGGR (FALSE, 2, 3, 6.0)) OR |
| NOT EQUAL (CREATE (FALSE, 2, 3, "ZZ", C5, 6.0, Y), |
| AGGR (FALSE, 2, 3, 6.0)) THEN |
| FAILED ("CAN'T CREATE BASE TYPE VALUES OUTSIDE THE SUBTYPE"); |
| END IF; |
| |
| IF CREATE (FALSE, 2, 3, "ZZ", C5, 6.0, X) IN T OR |
| CREATE (FALSE, 2, 3, "ZZ", C5, 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; |
| |
| IF NOT X'CONSTRAINED OR NOT Y'CONSTRAINED THEN |
| FAILED ("INCORRECT 'CONSTRAINED"); |
| END IF; |
| |
| BEGIN |
| ASSIGN (X, AGGR (TRUE, 3, 1, "ABC", C4)); |
| ASSIGN (Y, AGGR (TRUE, 3, 1, "ABC", C4)); |
| IF NOT EQUAL (PARENT (X), PARENT (Y)) THEN -- USE X AND Y. |
| FAILED ("INCORRECT CONVERSION TO PARENT"); |
| END IF; |
| EXCEPTION |
| WHEN OTHERS => |
| FAILED ("EXCEPTION RAISED BY OK ASSIGN CALL"); |
| END; |
| |
| BEGIN |
| ASSIGN (X, AGGR (FALSE, 3, 2, 6.0)); |
| FAILED ("CONSTRAINT_ERROR NOT RAISED -- " & |
| "ASSIGN (X, AGGR (FALSE, 3, 2, 6.0))"); |
| IF EQUAL (X, AGGR (FALSE, 3, 2, 6.0)) THEN -- USE X. |
| COMMENT ("X ALTERED -- " & |
| "ASSIGN (X, AGGR (FALSE, 3, 2, 6.0))"); |
| END IF; |
| EXCEPTION |
| WHEN CONSTRAINT_ERROR => |
| NULL; |
| WHEN OTHERS => |
| FAILED ("WRONG EXCEPTION RAISED -- " & |
| "ASSIGN (X, AGGR (FALSE, 3, 2, 6.0))"); |
| END; |
| |
| BEGIN |
| ASSIGN (X, AGGR (TRUE, 4, 2, "ZZZZ", C6)); |
| FAILED ("CONSTRAINT_ERROR NOT RAISED -- " & |
| "ASSIGN (X, AGGR (TRUE, 4, 2, ""ZZZZ"", C6))"); |
| IF EQUAL (X, AGGR (TRUE, 4, 2, "ZZZZ", C6)) THEN -- USE X. |
| COMMENT ("X ALTERED -- " & |
| "ASSIGN (X, AGGR (TRUE, 4, 2, ""ZZZZ"", C6))"); |
| END IF; |
| EXCEPTION |
| WHEN CONSTRAINT_ERROR => |
| NULL; |
| WHEN OTHERS => |
| FAILED ("WRONG EXCEPTION RAISED -- " & |
| "ASSIGN (X, AGGR (TRUE, 4, 2, ""ZZZZ"", C6))"); |
| END; |
| |
| BEGIN |
| ASSIGN (Y, AGGR (FALSE, 3, 2, 6.0)); |
| FAILED ("CONSTRAINT_ERROR NOT RAISED -- " & |
| "ASSIGN (Y, AGGR (FALSE, 3, 2, 6.0))"); |
| IF EQUAL (Y, AGGR (FALSE, 3, 2, 6.0)) THEN -- USE Y. |
| COMMENT ("Y ALTERED -- " & |
| "ASSIGN (Y, AGGR (FALSE, 3, 2, 6.0))"); |
| END IF; |
| EXCEPTION |
| WHEN CONSTRAINT_ERROR => |
| NULL; |
| WHEN OTHERS => |
| FAILED ("WRONG EXCEPTION RAISED -- " & |
| "ASSIGN (Y, AGGR (FALSE, 3, 2, 6.0))"); |
| END; |
| |
| BEGIN |
| ASSIGN (Y, AGGR (TRUE, 4, 2, "ZZZZ", C6)); |
| FAILED ("CONSTRAINT_ERROR NOT RAISED -- " & |
| "ASSIGN (Y, AGGR (TRUE, 4, 2, ""ZZZZ"", C6))"); |
| IF EQUAL (Y, AGGR (TRUE, 4, 2, "ZZZZ", C6)) THEN -- USE Y. |
| COMMENT ("Y ALTERED -- " & |
| "ASSIGN (Y, AGGR (TRUE, 4, 2, ""ZZZZ"", C6))"); |
| END IF; |
| EXCEPTION |
| WHEN CONSTRAINT_ERROR => |
| NULL; |
| WHEN OTHERS => |
| FAILED ("WRONG EXCEPTION RAISED -- " & |
| "ASSIGN (Y, AGGR (TRUE, 4, 2, ""ZZZZ"", C6))"); |
| END; |
| |
| RESULT; |
| END C34006L; |
