| -- C34005R.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 ONE-DIMENSIONAL ARRAY TYPES WHOSE COMPONENT TYPE IS A |
| -- LIMITED 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 08/19/87 CREATED ORIGINAL TEST. |
| -- VCL 07/01/88 ADDED EXCEPTION HANDLERS TO CATCH INCORRECT TYPE |
| -- CONVERSIONS TO DERIVED SUBTYPES. |
| |
| WITH REPORT; USE REPORT; |
| |
| PROCEDURE C34005R IS |
| |
| PACKAGE PKG_L IS |
| |
| TYPE LP IS LIMITED PRIVATE; |
| |
| FUNCTION CREATE (X : INTEGER) RETURN LP; |
| |
| FUNCTION VALUE (X : LP) RETURN INTEGER; |
| |
| FUNCTION EQUAL (X, Y : LP) RETURN BOOLEAN; |
| |
| PROCEDURE ASSIGN (X : OUT LP; Y : LP); |
| |
| C1 : CONSTANT LP; |
| C2 : CONSTANT LP; |
| C3 : CONSTANT LP; |
| C4 : CONSTANT LP; |
| C5 : CONSTANT LP; |
| |
| PRIVATE |
| |
| TYPE LP IS NEW INTEGER; |
| |
| C1 : CONSTANT LP := 1; |
| C2 : CONSTANT LP := 2; |
| C3 : CONSTANT LP := 3; |
| C4 : CONSTANT LP := 4; |
| C5 : CONSTANT LP := 5; |
| |
| END PKG_L; |
| |
| USE PKG_L; |
| |
| SUBTYPE COMPONENT IS LP; |
| |
| PACKAGE PKG_P IS |
| |
| FIRST : CONSTANT := 0; |
| LAST : CONSTANT := 100; |
| |
| SUBTYPE INDEX IS INTEGER RANGE FIRST .. LAST; |
| |
| TYPE PARENT IS ARRAY (INDEX RANGE <>) OF COMPONENT; |
| |
| FUNCTION CREATE ( F, L : INDEX; |
| C : COMPONENT; |
| DUMMY : PARENT -- TO RESOLVE OVERLOADING. |
| ) RETURN PARENT; |
| |
| FUNCTION EQUAL (X, Y : PARENT) RETURN BOOLEAN; |
| |
| FUNCTION AGGR (X, Y : COMPONENT) RETURN PARENT; |
| |
| FUNCTION AGGR (W, X, Y, Z : COMPONENT) RETURN PARENT; |
| |
| END PKG_P; |
| |
| USE PKG_P; |
| |
| TYPE T IS NEW PARENT (IDENT_INT (5) .. IDENT_INT (7)); |
| |
| SUBTYPE SUBPARENT IS PARENT (5 .. 7); |
| |
| 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 VALUE (X : LP) RETURN INTEGER IS |
| BEGIN |
| RETURN INTEGER (X); |
| END VALUE; |
| |
| 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 |
| ( F, L : INDEX; |
| C : COMPONENT; |
| DUMMY : PARENT |
| ) RETURN PARENT |
| IS |
| A : PARENT (F .. L); |
| B : COMPONENT; |
| BEGIN |
| ASSIGN (B, C); |
| FOR I IN F .. L LOOP |
| ASSIGN (A (I), B); |
| ASSIGN (B, CREATE (VALUE (B) + 1)); |
| END LOOP; |
| RETURN A; |
| END CREATE; |
| |
| FUNCTION EQUAL (X, Y : PARENT) RETURN BOOLEAN IS |
| BEGIN |
| IF X'LENGTH /= Y'LENGTH THEN |
| RETURN FALSE; |
| ELSE FOR I IN X'RANGE LOOP |
| IF NOT EQUAL (X (I), |
| Y (I - X'FIRST + Y'FIRST)) THEN |
| RETURN FALSE; |
| END IF; |
| END LOOP; |
| END IF; |
| RETURN TRUE; |
| END EQUAL; |
| |
| FUNCTION AGGR (X, Y : COMPONENT) RETURN PARENT IS |
| RESULT : PARENT (INDEX'FIRST .. INDEX'FIRST + 1); |
| BEGIN |
| ASSIGN (RESULT (INDEX'FIRST ), X); |
| ASSIGN (RESULT (INDEX'FIRST + 1), Y); |
| RETURN RESULT; |
| END AGGR; |
| |
| FUNCTION AGGR (W, X, Y, Z : COMPONENT) RETURN PARENT IS |
| RESULT : PARENT (INDEX'FIRST .. INDEX'FIRST + 3); |
| BEGIN |
| ASSIGN (RESULT (INDEX'FIRST ), W); |
| ASSIGN (RESULT (INDEX'FIRST + 1), X); |
| ASSIGN (RESULT (INDEX'FIRST + 2), Y); |
| ASSIGN (RESULT (INDEX'FIRST + 3), Z); |
| RETURN RESULT; |
| END AGGR; |
| |
| END PKG_P; |
| |
| PROCEDURE ASSIGN (X : IN OUT T; Y : T) IS |
| BEGIN |
| FOR I IN X'RANGE LOOP |
| ASSIGN (X (I), Y (I)); |
| END LOOP; |
| END ASSIGN; |
| |
| PROCEDURE ASSIGN (X : IN OUT S; Y : S) IS |
| BEGIN |
| FOR I IN X'RANGE LOOP |
| ASSIGN (X (I), Y (I)); |
| END LOOP; |
| END ASSIGN; |
| |
| BEGIN |
| TEST ("C34005R", "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 " & |
| "ONE-DIMENSIONAL ARRAY TYPES WHOSE COMPONENT " & |
| "TYPE IS A LIMITED TYPE"); |
| |
| ASSIGN (X (IDENT_INT (5)), CREATE (2)); |
| ASSIGN (X (IDENT_INT (6)), CREATE (3)); |
| ASSIGN (X (IDENT_INT (7)), CREATE (4)); |
| |
| ASSIGN (Y (5), C2); |
| ASSIGN (Y (6), C3); |
| ASSIGN (Y (7), C4); |
| |
| -- CHECK THAT BASE TYPE VALUES NOT IN THE SUBTYPE ARE PRESENT. |
| |
| BEGIN |
| IF NOT EQUAL (CREATE (2, 3, C4, X), AGGR (C4, C5)) THEN |
| FAILED ("CANNOT CREATE BASE TYPE VALUES OUTSIDE " & |
| "OF THE SUBTYPE T"); |
| END IF; |
| EXCEPTION |
| WHEN OTHERS => |
| FAILED ("EXCEPTION RAISED WHILE CHECKING BASE TYPE " & |
| "VALUES OUTSIDE OF THE SUBTYPE T"); |
| END; |
| |
| BEGIN |
| IF NOT EQUAL (CREATE (2, 3, C4, Y), AGGR (C4, C5)) THEN |
| FAILED ("CANNOT CREATE BASE TYPE VALUES OUTSIDE " & |
| "OF THE SUBTYPE S"); |
| END IF; |
| EXCEPTION |
| WHEN OTHERS => |
| FAILED ("EXCEPTION RAISED WHILE CHECKING BASE TYPE " & |
| "VALUES OUTSIDE OF THE SUBTYPE S"); |
| END; |
| |
| BEGIN |
| IF NOT EQUAL (X(IDENT_INT (6)..IDENT_INT (7)), |
| AGGR (C3, C4)) THEN |
| FAILED ("INCORRECT SLICE OF X (VALUE)"); |
| END IF; |
| EXCEPTION |
| WHEN OTHERS => |
| FAILED ("EXCEPTION RAISED WHILE CHECKING SLICE OF X"); |
| END; |
| |
| BEGIN |
| IF NOT EQUAL (AGGR (C3, C4), |
| Y(IDENT_INT (6)..IDENT_INT (7))) THEN |
| FAILED ("INCORRECT SLICE OF Y (VALUE)"); |
| END IF; |
| EXCEPTION |
| WHEN OTHERS => |
| FAILED ("EXCEPTION RAISED WHILE CHECKING SLICE OF Y"); |
| END; |
| |
| -- CHECK THE DERIVED SUBTYPE CONSTRAINT. |
| |
| IF T'FIRST /= 5 OR T'LAST /= 7 OR |
| S'FIRST /= 5 OR S'LAST /= 7 THEN |
| FAILED ("INCORRECT 'FIRST OR 'LAST"); |
| END IF; |
| |
| BEGIN |
| ASSIGN (X, CREATE (5, 7, C1, X)); |
| ASSIGN (Y, CREATE (5, 7, C1, Y)); |
| 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 (C1, C2)); |
| FAILED ("CONSTRAINT_ERROR NOT RAISED -- " & |
| "ASSIGN (X, AGGR (C1, C2))"); |
| IF EQUAL (X, AGGR (C1, C2)) THEN -- USE X. |
| COMMENT ("X ALTERED -- ASSIGN (X, AGGR (C1, C2))"); |
| END IF; |
| EXCEPTION |
| WHEN CONSTRAINT_ERROR => |
| NULL; |
| WHEN OTHERS => |
| FAILED ("WRONG EXCEPTION RAISED -- " & |
| "ASSIGN (X, AGGR (C1, C2))"); |
| END; |
| |
| BEGIN |
| ASSIGN (X, AGGR (C1, C2, C3, C4)); |
| FAILED ("CONSTRAINT_ERROR NOT RAISED -- " & |
| "ASSIGN (X, AGGR (C1, C2, C3, C4))"); |
| IF EQUAL (X, AGGR (C1, C2, C3, C4)) THEN -- USE X. |
| COMMENT ("X ALTERED -- " & |
| "ASSIGN (X, AGGR (C1, C2, C3, C4))"); |
| END IF; |
| EXCEPTION |
| WHEN CONSTRAINT_ERROR => |
| NULL; |
| WHEN OTHERS => |
| FAILED ("WRONG EXCEPTION RAISED -- " & |
| "ASSIGN (X, AGGR (C1, C2, C3, C4))"); |
| END; |
| |
| BEGIN |
| ASSIGN (Y, AGGR (C1, C2)); |
| FAILED ("CONSTRAINT_ERROR NOT RAISED -- " & |
| "ASSIGN (Y, AGGR (C1, C2))"); |
| IF EQUAL (Y, AGGR (C1, C2)) THEN -- USE Y. |
| COMMENT ("Y ALTERED -- ASSIGN (Y, AGGR (C1, C2))"); |
| END IF; |
| EXCEPTION |
| WHEN CONSTRAINT_ERROR => |
| NULL; |
| WHEN OTHERS => |
| FAILED ("WRONG EXCEPTION RAISED -- " & |
| "ASSIGN (Y, AGGR (C1, C2))"); |
| END; |
| |
| BEGIN |
| ASSIGN (Y, AGGR (C1, C2, C3, C4)); |
| FAILED ("CONSTRAINT_ERROR NOT RAISED -- " & |
| "ASSIGN (Y, AGGR (C1, C2, C3, C4))"); |
| IF EQUAL (Y, AGGR (C1, C2, C3, C4)) THEN -- USE Y. |
| COMMENT ("Y ALTERED -- " & |
| "ASSIGN (Y, AGGR (C1, C2, C3, C4))"); |
| END IF; |
| EXCEPTION |
| WHEN CONSTRAINT_ERROR => |
| NULL; |
| WHEN OTHERS => |
| FAILED ("WRONG EXCEPTION RAISED -- " & |
| "ASSIGN (Y, AGGR (C1, C2, C3, C4))"); |
| END; |
| |
| RESULT; |
| END C34005R; |