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+-- C974014.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 if the triggering alternative of an asynchronous select 
+--      statement is a delay and the abortable part completes before the delay
+--      expires then the delay is cancelled and the optional statements in the
+--      triggering part are not performed.  In particular, check the case of
+--      the ATC in non-tasking code.
+--
+-- TEST DESCRIPTION:
+--      A fraction of in-line code is simulated.  An asynchronous select
+--      is used with a triggering delay of several minutes.  The abortable
+--      part, which is simulating a very lengthy, time consuming procedure
+--      actually returns almost immediately thus ensuring that it completes
+--      first.  At the conclusion, if a substantial amount of time has passed
+--      the delay is assumed not to have been cancelled. 
+--      (based on example in LRM 9.7.4)
+--
+--
+-- CHANGE HISTORY:
+--      06 Dec 94   SAIC    ACVC 2.0
+--
+--!
+
+
+with Report;
+with Ada.Calendar;
+         
+procedure C974014 is
+
+   function "-" (Left, Right : Ada.Calendar.Time)
+                              return Duration      renames Ada.Calendar."-";
+
+   TC_Start_Time      : Ada.Calendar.Time := Ada.Calendar.Clock;
+   TC_Elapsed_Time    : duration;
+
+   Maximum_Allowable_Time : duration := 300.0; -- for Calculate_Gamma_Function
+
+begin
+
+   Report.Test ("C974014", "ATC: When abortable part completes before " &
+                             "a triggering delay, check that the delay " &
+                             "is cancelled & optional statements " &
+                             "are not performed"); 
+
+   declare  -- encapsulate test code
+
+      type Gamma_Index is digits 5;   -- float precision
+
+      -- (These two fields are assumed filled elsewhere)
+      Input_Field, Result_of_Beta : Gamma_Index;   
+
+      -- Notify and take corrective action in the event that
+      -- the procedure Calculate_Gamma_Function does not converge.
+      --
+      procedure Non_Convergent is
+      begin
+         null;  -- stub
+
+         Report.Failed ("Optional statements in triggering part" &
+                                    " were performed");       
+      end Non_Convergent;
+
+
+      --  This is a very time consuming calculation.  It is possible,
+      --  that, with certain parameters, it will not converge.  If it
+      --  runs for more than Maximum_Allowable_Time it is considered
+      --  not to be convergent and should be aborted.
+      --
+      Procedure Calculate_Gamma_Function (X, Y : Gamma_Index) is
+      begin
+         null;  -- Stub
+         --
+      end Calculate_Gamma_Function;
+
+   begin  -- declare
+
+      -- .....  Isolated segment of inline code
+
+      -- Now Print Gamma Function (abort and display if not convergent)
+      --
+      select
+         delay Maximum_Allowable_Time;  -- for Calculate_Gamma_Function
+         Non_Convergent;   -- Display error and flag result as failed
+
+      then abort
+         Calculate_Gamma_Function (Input_Field, Result_of_Beta);
+      end select;
+
+      -- .....  End of Isolated segment of inline code
+
+   end; -- declare
+   
+   TC_Elapsed_Time := Ada.Calendar.Clock - TC_Start_Time;
+
+   -- Note: We are not checking for "cancellation within a reasonable time",
+   -- we are checking for cancellation/non-cancellation of the delay.  We
+   -- use a number which, if exceeded, means that the delay was not
+   -- cancelled and has proceeded to  full term.
+   --
+   if ( TC_Elapsed_Time > Maximum_Allowable_Time/2 ) then
+      -- Test time exceeds a reasonable value.
+      Report.Failed ("Triggering delay statement was not cancelled");
+   end if;
+
+
+   Report.Result;
+
+end C974014;