-- C974012.A
|
-- C974012.A
|
--
|
--
|
-- Grant of Unlimited Rights
|
-- Grant of Unlimited Rights
|
--
|
--
|
-- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
|
-- 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
|
-- 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 in the software and documentation contained herein.
|
-- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
|
-- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
|
-- this public release, the Government intends to confer upon all
|
-- this public release, the Government intends to confer upon all
|
-- recipients unlimited rights equal to those held by the Government.
|
-- recipients unlimited rights equal to those held by the Government.
|
-- These rights include rights to use, duplicate, release or disclose the
|
-- These rights include rights to use, duplicate, release or disclose the
|
-- released technical data and computer software in whole or in part, in
|
-- 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
|
-- any manner and for any purpose whatsoever, and to have or permit others
|
-- to do so.
|
-- to do so.
|
--
|
--
|
-- DISCLAIMER
|
-- DISCLAIMER
|
--
|
--
|
-- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
|
-- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
|
-- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
|
-- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
|
-- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
|
-- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
|
-- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
|
-- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
|
-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
|
-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
|
-- PARTICULAR PURPOSE OF SAID MATERIAL.
|
-- PARTICULAR PURPOSE OF SAID MATERIAL.
|
--*
|
--*
|
--
|
--
|
-- OBJECTIVE:
|
-- OBJECTIVE:
|
-- Check that the abortable part of an asynchronous select statement is
|
-- Check that the abortable part of an asynchronous select statement is
|
-- aborted if it does not complete before the triggering statement
|
-- aborted if it does not complete before the triggering statement
|
-- completes, where the triggering statement is a call on a protected
|
-- completes, where the triggering statement is a call on a protected
|
-- entry which is queued.
|
-- entry which is queued.
|
--
|
--
|
-- TEST DESCRIPTION:
|
-- TEST DESCRIPTION:
|
-- A fraction of in-line code is simulated. A voltage deficiency causes
|
-- A fraction of in-line code is simulated. A voltage deficiency causes
|
-- the routine to seek an alternate best-cost route on an electrical grid
|
-- the routine to seek an alternate best-cost route on an electrical grid
|
-- system.
|
-- system.
|
--
|
--
|
-- An asynchronous select is used with the triggering alternative being a
|
-- An asynchronous select is used with the triggering alternative being a
|
-- call to a protected entry with a barrier. The abortable part is a
|
-- call to a protected entry with a barrier. The abortable part is a
|
-- routine simulating the lengthy alternate path negotiation. The entry
|
-- routine simulating the lengthy alternate path negotiation. The entry
|
-- barrier would be cleared if the voltage deficiency is rectified before
|
-- barrier would be cleared if the voltage deficiency is rectified before
|
-- the alternate can be found thus nullifying the need for the alternate.
|
-- the alternate can be found thus nullifying the need for the alternate.
|
--
|
--
|
-- The test simulates a return to normal in the middle of the
|
-- The test simulates a return to normal in the middle of the
|
-- negotiation. The barrier is cleared, the triggering alternative
|
-- negotiation. The barrier is cleared, the triggering alternative
|
-- completes first and the abortable part should be aborted.
|
-- completes first and the abortable part should be aborted.
|
--
|
--
|
--
|
--
|
-- CHANGE HISTORY:
|
-- CHANGE HISTORY:
|
-- 06 Dec 94 SAIC ACVC 2.0
|
-- 06 Dec 94 SAIC ACVC 2.0
|
--
|
--
|
--!
|
--!
|
|
|
|
|
with Report;
|
with Report;
|
with ImpDef;
|
with ImpDef;
|
|
|
procedure C974012 is
|
procedure C974012 is
|
|
|
subtype Grid_Path is string(1..21);
|
subtype Grid_Path is string(1..21);
|
subtype Deficiency is integer range 100..1_000; -- in MWh
|
subtype Deficiency is integer range 100..1_000; -- in MWh
|
|
|
New_Path : Grid_Path;
|
New_Path : Grid_Path;
|
Dummy_Deficiency : Deficiency := 520;
|
Dummy_Deficiency : Deficiency := 520;
|
Path_Available : Boolean := false;
|
Path_Available : Boolean := false;
|
|
|
TC_Terminate_Negotiation_Executed : Boolean := false;
|
TC_Terminate_Negotiation_Executed : Boolean := false;
|
TC_Trigger_Completed : Boolean := false;
|
TC_Trigger_Completed : Boolean := false;
|
TC_Negotiation_Completed : Boolean := false;
|
TC_Negotiation_Completed : Boolean := false;
|
|
|
protected Local_Deficit is
|
protected Local_Deficit is
|
procedure Set_Good_Voltage;
|
procedure Set_Good_Voltage;
|
procedure Bad_Voltage;
|
procedure Bad_Voltage;
|
entry Terminate_Negotiation;
|
entry Terminate_Negotiation;
|
private
|
private
|
Good_Voltage : Boolean := false; -- barrier
|
Good_Voltage : Boolean := false; -- barrier
|
end Local_Deficit;
|
end Local_Deficit;
|
|
|
protected body Local_Deficit is
|
protected body Local_Deficit is
|
|
|
procedure Set_Good_Voltage is
|
procedure Set_Good_Voltage is
|
begin
|
begin
|
Good_Voltage := true;
|
Good_Voltage := true;
|
end Set_Good_Voltage;
|
end Set_Good_Voltage;
|
|
|
procedure Bad_Voltage is
|
procedure Bad_Voltage is
|
begin
|
begin
|
Good_Voltage := false;
|
Good_Voltage := false;
|
end Bad_Voltage;
|
end Bad_Voltage;
|
|
|
-- Trigger is queued on this entry with barrier condition
|
-- Trigger is queued on this entry with barrier condition
|
entry Terminate_Negotiation when Good_Voltage is
|
entry Terminate_Negotiation when Good_Voltage is
|
begin
|
begin
|
-- complete the triggering call thus terminating grid_path
|
-- complete the triggering call thus terminating grid_path
|
-- negotiation.
|
-- negotiation.
|
null; --::: stub - signal main board
|
null; --::: stub - signal main board
|
TC_Terminate_Negotiation_Executed := true; -- show path traversal
|
TC_Terminate_Negotiation_Executed := true; -- show path traversal
|
end Terminate_Negotiation;
|
end Terminate_Negotiation;
|
|
|
end Local_Deficit;
|
end Local_Deficit;
|
|
|
|
|
-- Routine to find the most cost effective grid path for this
|
-- Routine to find the most cost effective grid path for this
|
-- particular deficiency at this particular time
|
-- particular deficiency at this particular time
|
--
|
--
|
procedure Path_Negotiation (Requirement : in Deficiency;
|
procedure Path_Negotiation (Requirement : in Deficiency;
|
Best_Path : out Grid_Path ) is
|
Best_Path : out Grid_Path ) is
|
|
|
Dummy_Path : Grid_Path := "NYC.425_NY.227_NH.132";
|
Dummy_Path : Grid_Path := "NYC.425_NY.227_NH.132";
|
Match : Deficiency := Report.Ident_Int (Requirement);
|
Match : Deficiency := Report.Ident_Int (Requirement);
|
|
|
begin
|
begin
|
--
|
--
|
null; --::: stub
|
null; --::: stub
|
--
|
--
|
-- Simulate a lengthy path negotiation
|
-- Simulate a lengthy path negotiation
|
for i in 1..5 loop
|
for i in 1..5 loop
|
delay ImpDef.Minimum_Task_Switch;
|
delay ImpDef.Minimum_Task_Switch;
|
-- Part of the way through the negotiation simulate some external
|
-- Part of the way through the negotiation simulate some external
|
-- event returning the voltage to acceptable level
|
-- event returning the voltage to acceptable level
|
if i = 3 then
|
if i = 3 then
|
Local_Deficit.Set_Good_Voltage; -- clear the barrier
|
Local_Deficit.Set_Good_Voltage; -- clear the barrier
|
end if;
|
end if;
|
end loop;
|
end loop;
|
|
|
Best_Path := Dummy_Path;
|
Best_Path := Dummy_Path;
|
TC_Negotiation_Completed := true;
|
TC_Negotiation_Completed := true;
|
|
|
end Path_Negotiation;
|
end Path_Negotiation;
|
|
|
|
|
|
|
begin
|
begin
|
|
|
Report.Test ("C974012", "Asynchronous Select: Trigger is queued on a " &
|
Report.Test ("C974012", "Asynchronous Select: Trigger is queued on a " &
|
"protected entry and completes before the " &
|
"protected entry and completes before the " &
|
"abortable part");
|
"abortable part");
|
|
|
-- ::::::::: Fragment of code
|
-- ::::::::: Fragment of code
|
|
|
Local_Deficit.Bad_Voltage; -- Set barrier condition
|
Local_Deficit.Bad_Voltage; -- Set barrier condition
|
|
|
-- For the given voltage deficiency start negotiating the best grid
|
-- For the given voltage deficiency start negotiating the best grid
|
-- path. If voltage returns to acceptable level cancel the negotiation
|
-- path. If voltage returns to acceptable level cancel the negotiation
|
--
|
--
|
select
|
select
|
-- Prepare to terminate the Path_Negotiation if voltage improves
|
-- Prepare to terminate the Path_Negotiation if voltage improves
|
Local_Deficit.Terminate_Negotiation;
|
Local_Deficit.Terminate_Negotiation;
|
TC_Trigger_Completed := true;
|
TC_Trigger_Completed := true;
|
then abort
|
then abort
|
Path_Negotiation (Dummy_Deficiency, New_Path) ;
|
Path_Negotiation (Dummy_Deficiency, New_Path) ;
|
Path_Available := true;
|
Path_Available := true;
|
end select;
|
end select;
|
-- :::::::::
|
-- :::::::::
|
|
|
if not TC_Terminate_Negotiation_Executed or else not
|
if not TC_Terminate_Negotiation_Executed or else not
|
TC_Trigger_Completed then
|
TC_Trigger_Completed then
|
Report.Failed ("Unexpected test path taken");
|
Report.Failed ("Unexpected test path taken");
|
end if;
|
end if;
|
|
|
if Path_Available or else TC_Negotiation_Completed then
|
if Path_Available or else TC_Negotiation_Completed then
|
Report.Failed ("Abortable part was not aborted");
|
Report.Failed ("Abortable part was not aborted");
|
end if;
|
end if;
|
Report.Result;
|
Report.Result;
|
|
|
end C974012;
|
end C974012;
|
|
|
