| -- CDA201E.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: |
| -- CHECK THAT UNCHECKED_CONVERSION CAN BE INSTANTIATED FOR THE |
| -- CONVERSION OF AN ENUMERATION TYPE WITH A REPRESENTATION CLAUSE TO |
| -- INTEGER. |
| |
| -- HISTORY: |
| -- JET 09/23/88 CREATED ORIGINAL TEST. |
| -- DHH 05/17/89 CHANGED FROM '.DEP' TEST TO '.ADA' TEST. |
| -- RJW 02/28/90 ADDED SIZE CLAUSE FOR TYPE STOOGE. |
| -- LDC 09/20/90 ADDED CHECK FOR CONVERSION FROM INT TO STOOGE, |
| -- ADDED COMMENT WHEN SIZES AREN'T EQUAL. |
| |
| WITH REPORT; USE REPORT; |
| WITH UNCHECKED_CONVERSION; |
| PROCEDURE CDA201E IS |
| |
| TYPE STOOGE IS (CURLY, MOE, LARRY); |
| FOR STOOGE USE (CURLY => -5, MOE => 13, LARRY => 127); |
| FOR STOOGE'SIZE USE 8; |
| |
| TYPE INT IS RANGE -128 .. 127; |
| FOR INT'SIZE USE 8; |
| |
| I : INT := 0; |
| NAME : STOOGE := CURLY; |
| |
| FUNCTION E_TO_I IS NEW UNCHECKED_CONVERSION(STOOGE, INT); |
| FUNCTION I_TO_E IS NEW UNCHECKED_CONVERSION(INT, STOOGE); |
| |
| FUNCTION ID(E : STOOGE) RETURN STOOGE IS |
| BEGIN |
| RETURN STOOGE'VAL(STOOGE'POS(E) + IDENT_INT(0)); |
| END ID; |
| |
| FUNCTION ID_INT (X : INT) RETURN INT IS |
| A : INTEGER := IDENT_INT(3); |
| BEGIN |
| IF EQUAL (A, IDENT_INT(3)) THEN -- ALWAYS EQUAL. |
| RETURN X; -- ALWAYS EXECUTED. |
| END IF; |
| RETURN 0; -- NEVER EXECUTED. |
| END ID_INT; |
| |
| BEGIN |
| TEST ("CDA201E", "CHECK THAT UNCHECKED_CONVERSION CAN BE " & |
| "INSTANTIATED FOR THE CONVERSION OF AN " & |
| "ENUMERATION TYPE WITH A REPRESENTATION " & |
| "CLAUSE TO INTEGER"); |
| |
| IF I'SIZE /= NAME'SIZE THEN |
| COMMENT( "UNCHECKED_CONVERSION MIGHT BE INSTANTIATED WITH " & |
| "DIFFERNT SIZES"); |
| END IF; |
| |
| BEGIN |
| I := E_TO_I(ID(CURLY)); |
| IF I /= -5 THEN |
| FAILED ("INCORRECT VALUE OF CURLY: " & INT'IMAGE(I)); |
| END IF; |
| |
| I := E_TO_I(ID(MOE)); |
| IF I /= 13 THEN |
| FAILED ("INCORRECT VALUE OF MOE: " & INT'IMAGE(I)); |
| END IF; |
| |
| I := E_TO_I(ID(LARRY)); |
| IF I /= 127 THEN |
| FAILED ("INCORRECT VALUE OF LARRY: " & INT'IMAGE(I)); |
| END IF; |
| EXCEPTION |
| WHEN OTHERS => |
| FAILED ("UNEXPECTED EXCEPTION RAISED BY CONVERSION"); |
| END; |
| |
| BEGIN -- 2 |
| NAME := I_TO_E(ID_INT(-5)); |
| IF NAME /= CURLY THEN |
| FAILED ("INCORRECT VALUE OF -5 : " & STOOGE'IMAGE(NAME)); |
| END IF; |
| |
| NAME := I_TO_E(ID_INT(13)); |
| IF NAME /= MOE THEN |
| FAILED ("INCORRECT VALUE OF 13: " & STOOGE'IMAGE(NAME)); |
| END IF; |
| |
| NAME := I_TO_E(ID_INT(127)); |
| IF NAME /= LARRY THEN |
| FAILED ("INCORRECT VALUE OF 127: " & STOOGE'IMAGE(NAME)); |
| END IF; |
| EXCEPTION |
| WHEN OTHERS => |
| FAILED ("UNEXPECTED EXCEPTION RAISED BY CONVERSION - 2"); |
| END; |
| |
| RESULT; |
| END CDA201E; |