c87b42a.ada

用于进行gcc测试

-- C87B42A.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.
--*
-- CHECK THAT OVERLOADING RESOLUTION USES THE RULE THAT:
--
-- A CONDITIONAL EXPRESSION MUST BE OF A BOOLEAN TYPE.
  
-- TRH  27 JULY 82
-- PWN 01/31/95  REMOVED INCONSISTENCIES WITH ADA 9X.
  
WITH REPORT; USE REPORT;
   
PROCEDURE C87B42A IS
 
     TYPE BIT     IS NEW BOOLEAN;
     TYPE BOOLEAN IS (FALSE, TRUE);
     TYPE LIT     IS (FALSE, TRUE);
     TYPE FLAG    IS (PASS, FAIL);
 
     GENERIC 
          TYPE T IS PRIVATE;
          ARG  : IN T;
          STAT : FLAG;
     FUNCTION F1 RETURN T;
 
     FUNCTION F1 RETURN T IS 
     BEGIN
          IF STAT = FAIL THEN 
               FAILED ("CONDITIONAL EXPRESSION MUST BE OF A BOOLEAN" &
                       " TYPE");
          END IF;
          RETURN ARG;
     END F1;
 
     FUNCTION F IS NEW F1 (BOOLEAN, FALSE,  FAIL);
     FUNCTION F IS NEW F1 (BIT,     FALSE,  PASS);
     FUNCTION F IS NEW F1 (LIT,     FALSE,  FAIL);
     FUNCTION F IS NEW F1 (INTEGER,   -11,  FAIL);
     FUNCTION F IS NEW F1 (FLOAT,    +0.0,  FAIL);
    
BEGIN
     TEST ("C87B42A","OVERLOADED CONDITIONAL EXPRESSIONS");
 
     WHILE (F OR NOT F)
     LOOP
          IF (F OR ELSE NOT F) THEN
               NULL;
          END IF;
          EXIT WHEN (F AND NOT F);
          EXIT WHEN (F OR  NOT F);
          EXIT WHEN (F);
          EXIT WHEN (NOT F);
     END LOOP;
 
     RESULT;
END C87B42A;