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Diffstat (limited to 'gcc-4.9/gcc/testsuite/ada/acats/tests/cb/cb20001.a')
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1 files changed, 228 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/ada/acats/tests/cb/cb20001.a b/gcc-4.9/gcc/testsuite/ada/acats/tests/cb/cb20001.a new file mode 100644 index 000000000..ccfad52e4 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/ada/acats/tests/cb/cb20001.a @@ -0,0 +1,228 @@ +-- CB20001.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 exceptions can be handled in accept bodies, and that a +-- task object that has an exception handled in an accept body is still +-- viable for future use. +-- +-- TEST DESCRIPTION: +-- Declare a task that has exception handlers within an accept +-- statement in the task body. Declare a task object, and make entry +-- calls with data that will cause various exceptions to be raised +-- by the accept statement. Ensure that the exceptions are: +-- 1) raised and handled locally in the accept body +-- 2) raised in the accept body and handled/reraised to be handled +-- by the task body +-- 3) raised in the accept body and propagated to the calling +-- procedure. +-- +-- +-- CHANGE HISTORY: +-- 06 Dec 94 SAIC ACVC 2.0 +-- +--! + +with Report; + +package CB20001_0 is + + Incorrect_Data, + Location_Error, + Off_Screen_Data : exception; + + TC_Handled_In_Accept, + TC_Reraised_In_Accept, + TC_Handled_In_Task_Block, + TC_Handled_In_Caller : boolean := False; + + type Location_Type is range 0 .. 2000; + + task type Submarine_Type is + entry Contact (Location : in Location_Type); + end Submarine_Type; + + Current_Position : Location_Type := 0; + +end CB20001_0; + + + --=================================================================-- + + +package body CB20001_0 is + + + task body Submarine_Type is + begin + loop + + Task_Block: + begin + select + accept Contact (Location : in Location_Type) do + if Location > 1000 then + raise Off_Screen_Data; + elsif (Location > 500) and (Location <= 1000) then + raise Location_Error; + elsif (Location > 100) and (Location <= 500) then + raise Incorrect_Data; + else + Current_Position := Location; + end if; + exception + when Off_Screen_Data => + TC_Handled_In_Accept := True; + when Location_Error => + TC_Reraised_In_Accept := True; + raise; -- Reraise the Location_Error exception + -- in the task block. + end Contact; + or + terminate; + end select; + + exception + + when Off_Screen_Data => + TC_Handled_In_Accept := False; + Report.Failed ("Off_Screen_Data exception " & + "improperly handled in task block"); + + when Location_Error => + TC_Handled_In_Task_Block := True; + end Task_Block; + + end loop; + + exception + + when Location_Error | Off_Screen_Data => + TC_Handled_In_Accept := False; + TC_Handled_In_Task_Block := False; + Report.Failed ("Exception improperly propagated out to task body"); + when others => + null; + end Submarine_Type; + +end CB20001_0; + + + --=================================================================-- + + +with CB20001_0; +with Report; +with ImpDef; + +procedure CB20001 is + + package Submarine_Tracking renames CB20001_0; + + Trident : Submarine_Tracking.Submarine_Type; -- Declare task + Sonar_Contact : Submarine_Tracking.Location_Type; + + TC_LEB_Error, + TC_Main_Handler_Used : Boolean := False; + +begin + + Report.Test ("CB20001", "Check that exceptions can be handled " & + "in accept bodies"); + + + Off_Screen_Block: + begin + Sonar_Contact := 1500; + Trident.Contact (Sonar_Contact); -- Cause Off_Screen_Data exception + -- to be raised and handled in a task + -- accept body. + exception + when Submarine_Tracking.Off_Screen_Data => + TC_Main_Handler_Used := True; + Report.Failed ("Off_Screen_Data exception improperly handled " & + "in calling procedure"); + when others => + Report.Failed ("Exception handled unexpectedly in " & + "Off_Screen_Block"); + end Off_Screen_Block; + + + Location_Error_Block: + begin + Sonar_Contact := 700; + Trident.Contact (Sonar_Contact); -- Cause Location_Error exception + -- to be raised in task accept body, + -- propogated to a task block, and + -- handled there. Corresponding + -- exception propagated here also. + Report.Failed ("Expected exception not raised"); + exception + when Submarine_Tracking.Location_Error => + TC_LEB_Error := True; + when others => + Report.Failed ("Exception handled unexpectedly in " & + "Location_Error_Block"); + end Location_Error_Block; + + + Incorrect_Data_Block: + begin + Sonar_Contact := 200; + Trident.Contact (Sonar_Contact); -- Cause Incorrect_Data exception + -- to be raised in task accept body, + -- propogated to calling procedure. + Report.Failed ("Expected exception not raised"); + exception + when Submarine_Tracking.Incorrect_Data => + Submarine_Tracking.TC_Handled_In_Caller := True; + when others => + Report.Failed ("Exception handled unexpectedly in " & + "Incorrect_Data_Block"); + end Incorrect_Data_Block; + + + if TC_Main_Handler_Used or + not (Submarine_Tracking.TC_Handled_In_Caller and -- Check to see that + Submarine_Tracking.TC_Handled_In_Task_Block and -- all exceptions + Submarine_Tracking.TC_Handled_In_Accept and -- were handled in + Submarine_Tracking.TC_Reraised_In_Accept and -- proper locations. + TC_LEB_Error) + then + Report.Failed ("Exceptions handled in incorrect locations"); + end if; + + if Integer(Submarine_Tracking.Current_Position) /= 0 then + Report.Failed ("Variable incorrectly written in task processing"); + end if; + + delay ImpDef.Minimum_Task_Switch; + if Trident'Callable then + Report.Failed ("Task didn't terminate with exception propagation"); + end if; + + Report.Result; + +end CB20001; |