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Diffstat (limited to 'gcc-4.9/gcc/testsuite/ada/acats/tests/c9/c940016.a')
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diff --git a/gcc-4.9/gcc/testsuite/ada/acats/tests/c9/c940016.a b/gcc-4.9/gcc/testsuite/ada/acats/tests/c9/c940016.a new file mode 100644 index 000000000..2226eefb4 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/ada/acats/tests/c9/c940016.a @@ -0,0 +1,211 @@ +-- C940016.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. +--* +-- +-- TEST OBJECTIVE: +-- Check that an Unchecked_Deallocation of a protected object +-- performs the required finalization on the protected object. +-- +-- TEST DESCRIPTION: +-- Test that finalization takes place when an Unchecked_Deallocation +-- deallocates a protected object with queued callers. +-- Try protected objects that have no other finalization code and +-- protected objects with user defined finalization. +-- +-- +-- CHANGE HISTORY: +-- 16 Jan 96 SAIC ACVC 2.1 +-- 10 Jul 96 SAIC Fixed race condition noted by reviewers. +-- +--! + + +with Ada.Finalization; +package C940016_0 is + Verbose : constant Boolean := False; + Finalization_Occurred : Boolean := False; + + type Has_Finalization is new Ada.Finalization.Limited_Controlled with + record + Placeholder : Integer; + end record; + procedure Finalize (Object : in out Has_Finalization); +end C940016_0; + + +with Report; +with ImpDef; +package body C940016_0 is + procedure Finalize (Object : in out Has_Finalization) is + begin + delay ImpDef.Clear_Ready_Queue; + Finalization_Occurred := True; + if Verbose then + Report.Comment ("in Finalize"); + end if; + end Finalize; +end C940016_0; + + + +with Report; +with Ada.Finalization; +with C940016_0; +with Ada.Unchecked_Deallocation; +with ImpDef; + +procedure C940016 is + Verbose : constant Boolean := C940016_0.Verbose; + +begin + + Report.Test ("C940016", "Check that Unchecked_Deallocation of a" & + " protected object finalizes the" & + " protected object"); + + First_Check: declare + protected type Semaphore is + entry Wait; + procedure Signal; + private + Count : Integer := 0; + end Semaphore; + protected body Semaphore is + entry Wait when Count > 0 is + begin + Count := Count - 1; + end Wait; + + procedure Signal is + begin + Count := Count + 1; + end Signal; + end Semaphore; + + type pSem is access Semaphore; + procedure Zap_Semaphore is new + Ada.Unchecked_Deallocation (Semaphore, pSem); + Sem_Ptr : pSem := new Semaphore; + + -- positive confirmation that Blocker got the exception + Ok : Boolean := False; + + task Blocker; + + task body Blocker is + begin + Sem_Ptr.Wait; + Report.Failed ("Program_Error not raised in waiting task"); + exception + when Program_Error => + Ok := True; + if Verbose then + Report.Comment ("Blocker received Program_Error"); + end if; + when others => + Report.Failed ("Wrong exception in Blocker"); + end Blocker; + + begin -- First_Check + -- wait for Blocker to get blocked on the semaphore + delay ImpDef.Clear_Ready_Queue; + Zap_Semaphore (Sem_Ptr); + -- make sure Blocker has time to complete + delay ImpDef.Clear_Ready_Queue * 2; + if not Ok then + Report.Failed ("finalization not properly performed"); + -- Blocker is probably hung so kill it + abort Blocker; + end if; + end First_Check; + + + Second_Check : declare + -- here we want to check that the raising of Program_Error + -- occurs before the other finalization actions. + protected type Semaphore is + entry Wait; + procedure Signal; + private + Count : Integer := 0; + Component : C940016_0.Has_Finalization; + end Semaphore; + protected body Semaphore is + entry Wait when Count > 0 is + begin + Count := Count - 1; + end Wait; + + procedure Signal is + begin + Count := Count + 1; + end Signal; + end Semaphore; + + type pSem is access Semaphore; + procedure Zap_Semaphore is new + Ada.Unchecked_Deallocation (Semaphore, pSem); + Sem_Ptr : pSem := new Semaphore; + + -- positive confirmation that Blocker got the exception + Ok : Boolean := False; + + task Blocker; + + task body Blocker is + begin + Sem_Ptr.Wait; + Report.Failed ("Program_Error not raised in waiting task 2"); + exception + when Program_Error => + Ok := True; + if C940016_0.Finalization_Occurred then + Report.Failed ("wrong order for finalization 2"); + elsif Verbose then + Report.Comment ("Blocker received Program_Error 2"); + end if; + when others => + Report.Failed ("Wrong exception in Blocker 2"); + end Blocker; + + begin -- Second_Check + -- wait for Blocker to get blocked on the semaphore + delay ImpDef.Clear_Ready_Queue; + Zap_Semaphore (Sem_Ptr); + -- make sure Blocker has time to complete + delay ImpDef.Clear_Ready_Queue * 2; + if not Ok then + Report.Failed ("finalization not properly performed 2"); + -- Blocker is probably hung so kill it + abort Blocker; + end if; + if not C940016_0.Finalization_Occurred then + Report.Failed ("user defined finalization didn't happen"); + end if; + end Second_Check; + + + Report.Result; + +end C940016; |