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-- CB1010A.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 STORAGE_ERROR IS RAISED WHEN STORAGE ALLOCATED TO A TASK
-- IS EXCEEDED.
-- PNH 8/26/85
-- JRK 8/30/85
WITH REPORT; USE REPORT;
PROCEDURE CB1010A IS
N : INTEGER := IDENT_INT (1);
M : INTEGER := IDENT_INT (0);
PROCEDURE OVERFLOW_STACK IS
A : ARRAY (1 .. 1000) OF INTEGER;
BEGIN
N := N + M;
A (N) := M;
IF N > M THEN -- ALWAYS TRUE.
OVERFLOW_STACK;
END IF;
M := A (N); -- TO PREVENT TAIL RECURSION OPTIMIZATION.
END OVERFLOW_STACK;
BEGIN
TEST ("CB1010A", "CHECK THAT STORAGE_ERROR IS RAISED WHEN " &
"STORAGE ALLOCATED TO A TASK IS EXCEEDED");
--------------------------------------------------
COMMENT ("CHECK TASKS THAT DO NOT HANDLE STORAGE_ERROR " &
"PRIOR TO RENDEZVOUS");
DECLARE
TASK T1 IS
ENTRY E1;
END T1;
TASK BODY T1 IS
BEGIN
OVERFLOW_STACK;
FAILED ("TASK T1 NOT TERMINATED BY STACK OVERFLOW");
END T1;
BEGIN
T1.E1;
FAILED ("NO EXCEPTION RAISED BY ENTRY CALL T1.E1");
EXCEPTION
WHEN TASKING_ERROR =>
IF N /= 1 OR M /= 0 THEN
FAILED ("VALUES OF VARIABLES N OR M ALTERED - 1");
END IF;
WHEN OTHERS =>
FAILED ("WRONG EXCEPTION RAISED BY CALL OF ENTRY E1 " &
"OF TERMINATED TASK T1");
END;
--------------------------------------------------
COMMENT ("CHECK TASKS THAT DO HANDLE STORAGE_ERROR PRIOR TO " &
"RENDEZVOUS");
N := IDENT_INT (1);
M := IDENT_INT (0);
DECLARE
TASK T2 IS
ENTRY E2;
END T2;
TASK BODY T2 IS
BEGIN
OVERFLOW_STACK;
FAILED ("EXCEPTION NOT RAISED BY STACK OVERFLOW IN " &
"TASK T2");
EXCEPTION
WHEN STORAGE_ERROR =>
ACCEPT E2;
WHEN OTHERS =>
FAILED ("WRONG EXCEPTION RAISED IN TASK T2 BY " &
"STACK OVERFLOW");
END T2;
BEGIN
T2.E2;
IF N /= 1 OR M /= 0 THEN
FAILED ("VALUES OF VARIABLES N OR M ALTERED - 2");
END IF;
EXCEPTION
WHEN OTHERS =>
FAILED ("EXCEPTION RAISED BY ENTRY CALL T2.E2");
ABORT T2;
END;
--------------------------------------------------
COMMENT ("CHECK TASKS THAT DO NOT HANDLE STORAGE_ERROR " &
"DURING RENDEZVOUS");
N := IDENT_INT (1);
M := IDENT_INT (0);
DECLARE
TASK T3 IS
ENTRY E3A;
ENTRY E3B;
END T3;
TASK BODY T3 IS
BEGIN
ACCEPT E3A DO
OVERFLOW_STACK;
FAILED ("EXCEPTION NOT RAISED IN ACCEPT E3A BY " &
"STACK OVERFLOW");
END E3A;
FAILED ("EXCEPTION NOT PROPOGATED CORRECTLY IN TASK T3");
EXCEPTION
WHEN STORAGE_ERROR =>
ACCEPT E3B;
WHEN OTHERS =>
FAILED ("WRONG EXCEPTION RAISED IN TASK T3 BY " &
"STACK OVERFLOW");
END T3;
BEGIN
T3.E3A;
FAILED ("NO EXCEPTION RAISED BY ENTRY CALL T3.E3A");
EXCEPTION
WHEN STORAGE_ERROR =>
T3.E3B;
IF N /= 1 OR M /= 0 THEN
FAILED ("VALUES OF VARIABLES N OR M ALTERED - 3");
END IF;
WHEN TASKING_ERROR =>
FAILED ("TASKING_ERROR RAISED BY ENTRY CALL T3.E3A " &
"INSTEAD OF STORAGE_ERROR");
ABORT T3;
WHEN OTHERS =>
FAILED ("WRONG EXCEPTION RAISED BY ENTRY CALL T3.E3A");
ABORT T3;
END;
--------------------------------------------------
RESULT;
END CB1010A;
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