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Diffstat (limited to 'gcc/testsuite/ada/acats/tests/c9/c954017.a')
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diff --git a/gcc/testsuite/ada/acats/tests/c9/c954017.a b/gcc/testsuite/ada/acats/tests/c9/c954017.a new file mode 100644 index 000000000..a5447a756 --- /dev/null +++ b/gcc/testsuite/ada/acats/tests/c9/c954017.a @@ -0,0 +1,184 @@ +-- C954017.A +-- +-- 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 when an exception is raised in the rendezvous of a task +-- that was called by a requeue the exception is propagated to the +-- original caller and that the requeuing task is unaffected. +-- +-- TEST DESCRIPTION: +-- The Intermediate task requeues a call from the Original_Caller to the +-- Receiver. While the Receiver is in the accept body for this +-- rendezvous a Constraint_Error exception is raised. Check that the +-- exception is propagated to the Original_Caller, that the Receiver's +-- normal exception logic is employed and that the Intermediate task +-- is undisturbed. +-- There are several delay loops in this test any one of which could +-- cause it to hang (and thus fail). +-- +-- +-- CHANGE HISTORY: +-- 06 Dec 94 SAIC ACVC 2.0 +-- 25 Nov 95 SAIC Fixed shared global variable problem for +-- ACVC 2.0.1 +-- +--! + +with Report; +with ImpDef; + + +procedure C954017 is + + TC_Original_Caller_Complete : Boolean := false; + TC_Intermediate_Complete : Boolean := false; + TC_Receiver_Complete : Boolean := false; + TC_Exception : Exception; + + + protected type Shared_Boolean (Initial_Value : Boolean := False) is + procedure Set_True; + procedure Set_False; + function Value return Boolean; + private + Current_Value : Boolean := Initial_Value; + end Shared_Boolean; + + protected body Shared_Boolean is + procedure Set_True is + begin + Current_Value := True; + end Set_True; + + procedure Set_False is + begin + Current_Value := False; + end Set_False; + + function Value return Boolean is + begin + return Current_Value; + end Value; + end Shared_Boolean; + + TC_Exception_Process_Complete : Shared_Boolean (False); + + task Original_Caller is + entry Start; + end Original_Caller; + + task Intermediate is + entry Input; + end Intermediate; + + task Receiver is + entry Input; + end Receiver; + + + task body Original_Caller is + begin + accept Start; -- wait for the trigger from Main + + Intermediate.Input; + Report.Failed ("Exception not propagated to Original_Caller"); + + exception + when TC_Exception => + TC_Original_Caller_Complete := true; -- Expected behavior + when others => + Report.Failed ("Unexpected Exception in Original_Caller task"); + end Original_Caller; + + + task body Intermediate is + begin + accept Input do + -- Within this accept call another task + requeue Receiver.Input with abort; + end Input; + + -- Wait for Main to ensure that the exception housekeeping is finished + while not TC_Exception_Process_Complete.Value loop + delay ImpDef.Minimum_Task_Switch; + end loop; + + TC_Intermediate_Complete := true; + + exception + when others => + Report.Failed ("Unexpected exception in Intermediate task"); + end Intermediate; + + + task body Receiver is + -- + begin + accept Input do + null; -- the user code for the rendezvous is stubbed out + + -- Test Control: Raise an exception in the destination task which + -- should then be propagated + raise TC_Exception; + + end Input; + exception + when TC_Exception => + TC_Receiver_Complete := true; -- expected behavior + when others => + Report.Failed ("Unexpected Exception in Receiver Task"); + end Receiver; + + +begin + + Report.Test ("C954017", "Requeue: exception processing"); + + Original_Caller.Start; -- Start the test after the Report.Test + + -- Wait for the whole of the exception process to complete + while not ( Original_Caller'terminated and Receiver'terminated ) loop + delay ImpDef.Minimum_Task_Switch; + end loop; + + -- Inform the Intermediate task that the process is complete to allow + -- it to continue to completion itself + TC_Exception_Process_Complete.Set_True; + + -- Wait for everything to settle before reporting the result + while not ( Intermediate'terminated ) loop + delay ImpDef.Minimum_Task_Switch; + end loop; + + + if not ( TC_Original_Caller_Complete and + TC_Intermediate_Complete and + TC_Receiver_Complete) then + Report.Failed ("Proper paths not traversed"); + end if; + + Report.Result; + +end C954017; |