-- C974009.A
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-- C974009.A
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--
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--
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-- Grant of Unlimited Rights
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-- Grant of Unlimited Rights
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--
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--
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-- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
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-- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
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-- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
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-- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
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-- unlimited rights in the software and documentation contained herein.
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-- unlimited rights in the software and documentation contained herein.
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-- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
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-- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
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-- this public release, the Government intends to confer upon all
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-- this public release, the Government intends to confer upon all
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-- recipients unlimited rights equal to those held by the Government.
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-- recipients unlimited rights equal to those held by the Government.
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-- These rights include rights to use, duplicate, release or disclose the
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-- These rights include rights to use, duplicate, release or disclose the
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-- released technical data and computer software in whole or in part, in
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-- released technical data and computer software in whole or in part, in
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-- any manner and for any purpose whatsoever, and to have or permit others
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-- any manner and for any purpose whatsoever, and to have or permit others
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-- to do so.
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-- to do so.
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--
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--
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-- DISCLAIMER
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-- DISCLAIMER
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--
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--
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-- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
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-- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
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-- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
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-- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
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-- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
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-- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
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-- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
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-- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
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-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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-- PARTICULAR PURPOSE OF SAID MATERIAL.
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-- PARTICULAR PURPOSE OF SAID MATERIAL.
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--*
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--*
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--
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--
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-- OBJECTIVE:
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-- OBJECTIVE:
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-- Check that the abortable part of an asynchronous select statement
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-- Check that the abortable part of an asynchronous select statement
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-- is not started if the triggering statement is a task entry call,
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-- is not started if the triggering statement is a task entry call,
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-- the entry call is not queued and the entry call completes by
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-- the entry call is not queued and the entry call completes by
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-- propagating an exception.
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-- propagating an exception.
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--
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--
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-- Check that the exception is properly propagated to the asynchronous
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-- Check that the exception is properly propagated to the asynchronous
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-- select statement and thus the sequence of statements of the triggering
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-- select statement and thus the sequence of statements of the triggering
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-- alternative is not executed after the abortable part is left.
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-- alternative is not executed after the abortable part is left.
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--
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--
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-- Check that the exception propagated by the entry call is re-raised
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-- Check that the exception propagated by the entry call is re-raised
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-- immediately following the asynchronous select.
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-- immediately following the asynchronous select.
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--
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--
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-- TEST DESCRIPTION:
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-- TEST DESCRIPTION:
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--
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--
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-- Use a small subset of the base Automated teller machine simulation
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-- Use a small subset of the base Automated teller machine simulation
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-- which is shown in greater detail in other tests of this series.
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-- which is shown in greater detail in other tests of this series.
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-- Declare a main procedure containing an asynchronous select with a task
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-- Declare a main procedure containing an asynchronous select with a task
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-- entry call as triggering statement. Force the task to be waiting at
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-- entry call as triggering statement. Force the task to be waiting at
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-- the accept statement so that the call is not queued and the rendezvous
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-- the accept statement so that the call is not queued and the rendezvous
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-- is executed immediately. Simulate an unexpected exception in the
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-- is executed immediately. Simulate an unexpected exception in the
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-- rendezvous. Use stripped down versions of called procedures to check
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-- rendezvous. Use stripped down versions of called procedures to check
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-- the correct path in the test.
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-- the correct path in the test.
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--
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--
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--
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--
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-- CHANGE HISTORY:
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-- CHANGE HISTORY:
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-- 06 Dec 94 SAIC ACVC 2.0
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-- 06 Dec 94 SAIC ACVC 2.0
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--
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--
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--!
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--!
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package C974009_0 is -- Automated teller machine abstraction.
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package C974009_0 is -- Automated teller machine abstraction.
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Propagated_From_Task : exception;
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Propagated_From_Task : exception;
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Transaction_Canceled : exception;
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Transaction_Canceled : exception;
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type Key_Enum is (None, Cancel, Deposit, Withdraw);
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type Key_Enum is (None, Cancel, Deposit, Withdraw);
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type Card_Number_Type is private;
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type Card_Number_Type is private;
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type Card_PIN_Type is private;
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type Card_PIN_Type is private;
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type ATM_Card_Type is private;
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type ATM_Card_Type is private;
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task type ATM_Keyboard_Task is
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task type ATM_Keyboard_Task is
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entry Cancel_Pressed;
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entry Cancel_Pressed;
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end ATM_Keyboard_Task;
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end ATM_Keyboard_Task;
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procedure Validate_Card (Card : in ATM_Card_Type);
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procedure Validate_Card (Card : in ATM_Card_Type);
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procedure Perform_Transaction (Card : in ATM_Card_Type);
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procedure Perform_Transaction (Card : in ATM_Card_Type);
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private
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private
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type Card_Number_Type is range 1 .. 9999;
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type Card_Number_Type is range 1 .. 9999;
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type Card_PIN_Type is range 100 .. 999;
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type Card_PIN_Type is range 100 .. 999;
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type ATM_Card_Type is record
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type ATM_Card_Type is record
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Number : Card_Number_Type;
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Number : Card_Number_Type;
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PIN : Card_PIN_Type;
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PIN : Card_PIN_Type;
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end record;
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end record;
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end C974009_0;
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end C974009_0;
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--==================================================================--
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--==================================================================--
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with Report;
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with Report;
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package body C974009_0 is
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package body C974009_0 is
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-- One of these gets created as "Keyboard" for each transaction
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-- One of these gets created as "Keyboard" for each transaction
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--
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--
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task body ATM_Keyboard_Task is
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task body ATM_Keyboard_Task is
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Key_Pressed : Key_Enum := None;
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Key_Pressed : Key_Enum := None;
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begin
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begin
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accept Cancel_Pressed do -- queued entry call.
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accept Cancel_Pressed do -- queued entry call.
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null; --:::: stub, user code for cancel
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null; --:::: stub, user code for cancel
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-- Now simulate an unexpected exception arising in the
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-- Now simulate an unexpected exception arising in the
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-- user code
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-- user code
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raise Propagated_From_Task; -- Propagate an exception.
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raise Propagated_From_Task; -- Propagate an exception.
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end Cancel_Pressed;
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end Cancel_Pressed;
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Report.Failed ("Exception not propagated in ATM_Keyboard_Task");
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Report.Failed ("Exception not propagated in ATM_Keyboard_Task");
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exception
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exception
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when Propagated_From_Task =>
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when Propagated_From_Task =>
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null; -- This is the expected test behavior
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null; -- This is the expected test behavior
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when others =>
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when others =>
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Report.Failed ("Unexpected Exception in ATM_Keyboard_Task");
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Report.Failed ("Unexpected Exception in ATM_Keyboard_Task");
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end ATM_Keyboard_Task;
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end ATM_Keyboard_Task;
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procedure Validate_Card (Card : in ATM_Card_Type) is
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procedure Validate_Card (Card : in ATM_Card_Type) is
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begin
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begin
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Report.Failed ("Abortable part was executed");
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Report.Failed ("Abortable part was executed");
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end Validate_Card;
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end Validate_Card;
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procedure Perform_Transaction (Card : in ATM_Card_Type) is
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procedure Perform_Transaction (Card : in ATM_Card_Type) is
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begin
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begin
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Report.Failed ("Exception not re-raised immediately following " &
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Report.Failed ("Exception not re-raised immediately following " &
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"asynchronous select");
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"asynchronous select");
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end Perform_Transaction;
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end Perform_Transaction;
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end C974009_0;
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end C974009_0;
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--==================================================================--
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--==================================================================--
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with Report;
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with Report;
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with ImpDef;
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with ImpDef;
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with C974009_0; -- Automated teller machine abstraction.
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with C974009_0; -- Automated teller machine abstraction.
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use C974009_0;
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use C974009_0;
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procedure C974009 is
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procedure C974009 is
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Card_Data : ATM_Card_Type;
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Card_Data : ATM_Card_Type;
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begin -- Main program.
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begin -- Main program.
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Report.Test ("C974009", "Asynchronous Select: Trigger is a call to a " &
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Report.Test ("C974009", "Asynchronous Select: Trigger is a call to a " &
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"task entry, is not queued and is completed " &
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"task entry, is not queued and is completed " &
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"first by an exception");
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"first by an exception");
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begin
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begin
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declare
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declare
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-- Create the task for this transaction
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-- Create the task for this transaction
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Keyboard : C974009_0.ATM_Keyboard_Task;
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Keyboard : C974009_0.ATM_Keyboard_Task;
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begin
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begin
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-- Ensure task is waiting a the accept so the call is not queued
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-- Ensure task is waiting a the accept so the call is not queued
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-- This is the time required to activate another task and allow it
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-- This is the time required to activate another task and allow it
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-- to run to its first accept statement
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-- to run to its first accept statement
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--
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--
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delay ImpDef.Switch_To_New_Task;
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delay ImpDef.Switch_To_New_Task;
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-- --
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-- --
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-- Asynchronous select is tested here --
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-- Asynchronous select is tested here --
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-- --
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-- --
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select
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select
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Keyboard.Cancel_Pressed;
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Keyboard.Cancel_Pressed;
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raise Transaction_Canceled; -- Should not be executed.
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raise Transaction_Canceled; -- Should not be executed.
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then abort
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then abort
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Validate_Card (Card_Data); -- Keyboard.Cancel_Pressed is accepted
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Validate_Card (Card_Data); -- Keyboard.Cancel_Pressed is accepted
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-- and propagates an exception before
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-- and propagates an exception before
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-- this call is executed
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-- this call is executed
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end select;
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end select;
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-- The propagated exception is re-raised here.
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-- The propagated exception is re-raised here.
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Perform_Transaction(Card_Data); -- Should not be reached.
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Perform_Transaction(Card_Data); -- Should not be reached.
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exception
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exception
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when Transaction_Canceled =>
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when Transaction_Canceled =>
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Report.Failed ("Triggering alternative sequence of statements " &
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Report.Failed ("Triggering alternative sequence of statements " &
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"executed");
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"executed");
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when Propagated_From_Task =>
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when Propagated_From_Task =>
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null; -- This is the expected test path
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null; -- This is the expected test path
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when others =>
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when others =>
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Report.Failed ("Wrong exception raised");
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Report.Failed ("Wrong exception raised");
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end;
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end;
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exception
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exception
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when others =>
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when others =>
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Report.Failed ("Unexpected exception raised");
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Report.Failed ("Unexpected exception raised");
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end;
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end;
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Report.Result;
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Report.Result;
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end C974009;
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end C974009;
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