-- CXA8001.A
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-- CXA8001.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 all elements to be transferred to a sequential file of
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-- Check that all elements to be transferred to a sequential file of
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-- mode Append_File will be placed following the last element currently
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-- mode Append_File will be placed following the last element currently
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-- in the file.
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-- in the file.
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-- Check that it is possible to append data to a file that has been
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-- Check that it is possible to append data to a file that has been
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-- previously appended to.
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-- previously appended to.
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-- Check that the predefined procedure Write will place an element after
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-- Check that the predefined procedure Write will place an element after
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-- the last element in the file in mode Append_File.
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-- the last element in the file in mode Append_File.
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--
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--
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-- TEST DESCRIPTION:
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-- TEST DESCRIPTION:
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-- This test implements a sequential file system that has the capability
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-- This test implements a sequential file system that has the capability
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-- to store data records at the end of a file. Initially, the file is
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-- to store data records at the end of a file. Initially, the file is
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-- opened with mode Out_File, and data is written to the file. The file
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-- opened with mode Out_File, and data is written to the file. The file
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-- is closed, then reopened with mode Append_File. An additional record
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-- is closed, then reopened with mode Append_File. An additional record
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-- is written, and again the file is closed. The file is then reopened,
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-- is written, and again the file is closed. The file is then reopened,
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-- again with mode Append_File, and another record is written to the
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-- again with mode Append_File, and another record is written to the
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-- file.
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-- file.
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-- The file is closed again, the reopened with mode In_File, and the data
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-- The file is closed again, the reopened with mode In_File, and the data
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-- in the file is read and checked for proper ordering within the file.
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-- in the file is read and checked for proper ordering within the file.
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--
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--
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-- An expected common usage of Append_File mode would be in the opening
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-- An expected common usage of Append_File mode would be in the opening
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-- of a file that currently contains data. Likewise, the reopening of
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-- of a file that currently contains data. Likewise, the reopening of
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-- files in Append_Mode that have been previously appended to for the
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-- files in Append_Mode that have been previously appended to for the
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-- addition of more data would be frequently encountered. This test
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-- addition of more data would be frequently encountered. This test
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-- attempts to simulate both situations. (Of course, in an actual user
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-- attempts to simulate both situations. (Of course, in an actual user
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-- environment, the open/write/close processing would be performed using
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-- environment, the open/write/close processing would be performed using
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-- looping structures, rather than the straight-line processing displayed
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-- looping structures, rather than the straight-line processing displayed
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-- here.)
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-- here.)
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--
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--
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-- APPLICABILITY CRITERIA:
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-- APPLICABILITY CRITERIA:
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-- Applicable to all systems capable of supporting IO operations on
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-- Applicable to all systems capable of supporting IO operations on
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-- external Sequential_IO files.
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-- external Sequential_IO files.
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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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-- 27 Feb 97 PWB.CTA Allowed for non-support of some IO operations
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-- 27 Feb 97 PWB.CTA Allowed for non-support of some IO operations
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--!
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--!
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with Sequential_IO;
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with Sequential_IO;
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with Report;
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with Report;
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procedure CXA8001 is
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procedure CXA8001 is
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-- Declare data types and objects to be stored in the file.
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-- Declare data types and objects to be stored in the file.
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subtype Name_Type is String (1 .. 10);
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subtype Name_Type is String (1 .. 10);
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type Tickets is range 0 .. 1000;
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type Tickets is range 0 .. 1000;
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type Order_Type is record
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type Order_Type is record
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Name : Name_Type;
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Name : Name_Type;
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No_of_Tickets : Tickets;
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No_of_Tickets : Tickets;
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end record;
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end record;
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package Order_IO is new Sequential_IO (Order_Type); -- Declare Seq_IO
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package Order_IO is new Sequential_IO (Order_Type); -- Declare Seq_IO
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-- package,
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-- package,
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Order_File : Order_IO.File_Type; -- and file object.
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Order_File : Order_IO.File_Type; -- and file object.
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Order_Filename : constant String :=
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Order_Filename : constant String :=
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Report.Legal_File_Name ( Nam => "CXA8001" );
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Report.Legal_File_Name ( Nam => "CXA8001" );
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Incomplete : exception;
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Incomplete : exception;
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begin
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begin
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Report.Test ("CXA8001", "Check that all elements to be transferred to a " &
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Report.Test ("CXA8001", "Check that all elements to be transferred to a " &
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"sequential file of mode Append_File will be " &
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"sequential file of mode Append_File will be " &
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"placed following the last element currently " &
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"placed following the last element currently " &
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"in the file");
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"in the file");
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Test_for_Sequential_IO_Support:
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Test_for_Sequential_IO_Support:
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begin
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begin
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-- An implementation that does not support Sequential_IO in a particular
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-- An implementation that does not support Sequential_IO in a particular
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-- environment will raise Use_Error or Name_Error on calls to various
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-- environment will raise Use_Error or Name_Error on calls to various
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-- Sequential_IO operations. This block statement encloses a call to
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-- Sequential_IO operations. This block statement encloses a call to
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-- Create, which should produce an exception in a non-supportive
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-- Create, which should produce an exception in a non-supportive
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-- environment. These exceptions will be handled to produce a
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-- environment. These exceptions will be handled to produce a
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-- Not_Applicable result.
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-- Not_Applicable result.
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Order_IO.Create (File => Order_File, -- Create Sequential_IO file
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Order_IO.Create (File => Order_File, -- Create Sequential_IO file
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Mode => Order_IO.Out_File, -- with mode Out_File.
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Mode => Order_IO.Out_File, -- with mode Out_File.
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Name => Order_Filename);
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Name => Order_Filename);
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exception
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exception
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when Order_IO.Use_Error | Order_IO.Name_Error =>
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when Order_IO.Use_Error | Order_IO.Name_Error =>
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Report.Not_Applicable
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Report.Not_Applicable
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( "Files not supported - Create as Out_File for Sequential_IO" );
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( "Files not supported - Create as Out_File for Sequential_IO" );
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raise Incomplete;
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raise Incomplete;
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end Test_for_Sequential_IO_Support;
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end Test_for_Sequential_IO_Support;
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Operational_Test_Block:
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Operational_Test_Block:
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declare
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declare
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-- Assign values into the component fields of the data objects.
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-- Assign values into the component fields of the data objects.
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Buyer_1 : constant Order_Type := ("John Smith", 3);
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Buyer_1 : constant Order_Type := ("John Smith", 3);
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Buyer_2 : constant Order_Type :=
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Buyer_2 : constant Order_Type :=
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(Name => "Jane Jones", No_of_Tickets => 2);
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(Name => "Jane Jones", No_of_Tickets => 2);
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Buyer_3 : Order_Type := ("Mike Brown", 5);
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Buyer_3 : Order_Type := ("Mike Brown", 5);
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begin
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begin
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Order_IO.Write (File => Order_File, -- Write initial data item
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Order_IO.Write (File => Order_File, -- Write initial data item
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Item => Buyer_1); -- to file.
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Item => Buyer_1); -- to file.
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Order_IO.Close (File => Order_File); -- Close file.
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Order_IO.Close (File => Order_File); -- Close file.
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--
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--
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-- Enter additional data records into the file. (Append to a file of
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-- Enter additional data records into the file. (Append to a file of
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-- previous mode Out_File).
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-- previous mode Out_File).
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--
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--
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Order_IO.Open (Order_File, -- Open Sequential_IO file
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Order_IO.Open (Order_File, -- Open Sequential_IO file
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Order_IO.Append_File, -- with mode Append_File.
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Order_IO.Append_File, -- with mode Append_File.
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Order_Filename);
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Order_Filename);
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Order_IO.Write (Order_File, Buyer_2); -- Write second data item
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Order_IO.Write (Order_File, Buyer_2); -- Write second data item
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-- to file.
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-- to file.
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Order_IO.Close (File => Order_File); -- Close file.
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Order_IO.Close (File => Order_File); -- Close file.
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-- Check to determine whether file is actually closed.
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-- Check to determine whether file is actually closed.
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begin
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begin
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Order_IO.Write (Order_File, Buyer_2);
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Order_IO.Write (Order_File, Buyer_2);
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Report.Failed("Exception not raised on Write to Closed file");
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Report.Failed("Exception not raised on Write to Closed file");
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exception
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exception
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when Order_IO.Status_Error => null; -- Expected exception.
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when Order_IO.Status_Error => null; -- Expected exception.
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when others =>
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when others =>
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Report.Failed("Incorrect exception on Write to Closed file");
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Report.Failed("Incorrect exception on Write to Closed file");
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end;
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end;
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--
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--
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-- The following code segment demonstrates appending data to a file
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-- The following code segment demonstrates appending data to a file
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-- that has been previously appended to.
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-- that has been previously appended to.
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--
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--
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Order_IO.Open (Order_File, -- Open Sequential_IO file
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Order_IO.Open (Order_File, -- Open Sequential_IO file
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Order_IO.Append_File, -- with mode Append_File.
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Order_IO.Append_File, -- with mode Append_File.
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Order_Filename );
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Order_Filename );
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Order_IO.Write (Order_File, Buyer_3); -- Write third data item
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Order_IO.Write (Order_File, Buyer_3); -- Write third data item
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-- to file.
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-- to file.
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Order_IO.Close (File => Order_File); -- Close file.
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Order_IO.Close (File => Order_File); -- Close file.
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Test_Verification_Block:
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Test_Verification_Block:
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declare
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declare
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TC_Order1, TC_Order2, TC_Order3 : Order_Type;
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TC_Order1, TC_Order2, TC_Order3 : Order_Type;
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begin
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begin
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Order_IO.Open (Order_File, -- Open Sequential_IO file
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Order_IO.Open (Order_File, -- Open Sequential_IO file
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Order_IO.In_File, -- with mode In_File.
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Order_IO.In_File, -- with mode In_File.
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Order_Filename );
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Order_Filename );
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Order_IO.Read (File => Order_File, -- Read records from file.
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Order_IO.Read (File => Order_File, -- Read records from file.
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Item => TC_Order1);
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Item => TC_Order1);
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Order_IO.Read (Order_File, TC_Order2);
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Order_IO.Read (Order_File, TC_Order2);
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Order_IO.Read (Order_File, TC_Order3);
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Order_IO.Read (Order_File, TC_Order3);
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-- Compare the contents of each with the individual data items.
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-- Compare the contents of each with the individual data items.
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-- If items read from file do not match the items placed into
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-- If items read from file do not match the items placed into
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-- the file, in the appropriate order, then fail.
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-- the file, in the appropriate order, then fail.
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if ((TC_Order1 /= Buyer_1) or
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if ((TC_Order1 /= Buyer_1) or
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(TC_Order2.Name /= Buyer_2.Name) or
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(TC_Order2.Name /= Buyer_2.Name) or
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(TC_Order2.No_of_Tickets /= Buyer_2.No_of_Tickets) or
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(TC_Order2.No_of_Tickets /= Buyer_2.No_of_Tickets) or
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not ((TC_Order3.Name = "Mike Brown") and
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not ((TC_Order3.Name = "Mike Brown") and
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(TC_Order3.No_of_Tickets = 5))) then
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(TC_Order3.No_of_Tickets = 5))) then
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Report.Failed ("Incorrect appending of record data in file");
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Report.Failed ("Incorrect appending of record data in file");
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end if;
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end if;
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-- Check to determine that no more than three data records were
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-- Check to determine that no more than three data records were
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-- actually written to the file.
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-- actually written to the file.
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if not Order_IO.End_Of_File (Order_File) then
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if not Order_IO.End_Of_File (Order_File) then
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Report.Failed("File not empty after three reads");
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Report.Failed("File not empty after three reads");
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end if;
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end if;
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exception
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exception
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when Order_IO.End_Error => -- If three items not in
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when Order_IO.End_Error => -- If three items not in
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-- file (data overwritten),
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-- file (data overwritten),
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-- then fail.
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-- then fail.
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Report.Failed ("Incorrect number of record elements in file");
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Report.Failed ("Incorrect number of record elements in file");
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when others =>
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when others =>
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Report.Failed ("Error raised during data verification");
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Report.Failed ("Error raised during data verification");
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end Test_Verification_Block;
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end Test_Verification_Block;
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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("Exception raised during Sequential_IO processing");
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Report.Failed("Exception raised during Sequential_IO processing");
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end Operational_Test_Block;
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end Operational_Test_Block;
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Deletion:
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Deletion:
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begin
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begin
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-- Check that file is open prior to deleting it.
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-- Check that file is open prior to deleting it.
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if Order_IO.Is_Open(Order_File) then
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if Order_IO.Is_Open(Order_File) then
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Order_IO.Delete (Order_File);
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Order_IO.Delete (Order_File);
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else
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else
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Order_IO.Open(Order_File, Order_IO.In_File, Order_Filename);
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Order_IO.Open(Order_File, Order_IO.In_File, Order_Filename);
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Order_IO.Delete (Order_File);
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Order_IO.Delete (Order_File);
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end if;
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end if;
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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
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Report.Failed
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( "Delete not properly implemented for Sequential_IO" );
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( "Delete not properly implemented for Sequential_IO" );
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end Deletion;
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end Deletion;
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Report.Result;
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Report.Result;
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exception
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exception
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when Incomplete =>
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when Incomplete =>
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Report.Result;
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Report.Result;
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when others =>
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when others =>
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Report.Failed ( "Unexpected exception" );
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Report.Failed ( "Unexpected exception" );
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Report.Result;
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Report.Result;
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end CXA8001;
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end CXA8001;
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