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-- C97120B.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 IF A SPECIFIED DELAY IS ZERO OR NEGATIVE AND AN ENTRY CALL
-- IS WAITING AT AN OPEN ALTERNATIVE WHEN THE SELECTIVE WAIT IS
-- EXECUTED, THE CALL IS ACCEPTED.
-- WRG 7/11/86
with Impdef;
WITH REPORT; USE REPORT;
PROCEDURE C97120B IS
ZERO, NEG : DURATION := 1.0;
BEGIN
TEST ("C97120B", "CHECK THAT IF A SPECIFIED DELAY IS ZERO OR " &
"NEGATIVE AND AN ENTRY CALL IS WAITING AT AN " &
"OPEN ALTERNATIVE WHEN THE SELECTIVE WAIT IS " &
"EXECUTED, THE CALL IS ACCEPTED");
IF EQUAL (3, 3) THEN
ZERO := 0.0;
NEG := -1.0;
END IF;
DECLARE
TASK T IS
ENTRY E;
END T;
TASK BODY T IS
BEGIN
WHILE E'COUNT = 0 LOOP
DELAY 1.0 * Impdef.One_Second;
END LOOP;
A: BEGIN
SELECT
WHEN IDENT_BOOL (TRUE) =>
ACCEPT E;
OR
DELAY ZERO * Impdef.One_Second;
FAILED ("ZERO DELAY ALTERNATIVE TAKEN");
ACCEPT E;
END SELECT;
EXCEPTION
WHEN OTHERS =>
FAILED ("EXCEPTION RAISED (A)");
END A;
WHILE E'COUNT = 0 LOOP
DELAY 1.0 * Impdef.One_Second;
END LOOP;
B: BEGIN
SELECT
ACCEPT E;
OR
DELAY NEG;
FAILED ("NEGATIVE DELAY ALTERNATIVE TAKEN");
ACCEPT E;
END SELECT;
EXCEPTION
WHEN OTHERS =>
FAILED ("EXCEPTION RAISED (B)");
END B;
END T;
BEGIN
T.E;
T.E;
END;
RESULT;
END C97120B;
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