-- CXA8003.A
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-- CXA8003.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 Append_File mode has not been added to package Direct_IO.
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-- Check that Append_File mode has not been added to package Direct_IO.
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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 uses a procedure to change the mode of an existing Direct_IO
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-- This test uses a procedure to change the mode of an existing Direct_IO
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-- file. The file descriptor is passed as a parameter, along with a
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-- file. The file descriptor is passed as a parameter, along with a
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-- numeric indicator for the new mode. Based on the numeric parameter,
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-- numeric indicator for the new mode. Based on the numeric parameter,
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-- a Direct_IO.Reset is performed using a File_Mode'Value transformation
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-- a Direct_IO.Reset is performed using a File_Mode'Value transformation
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-- of a string constant into a File_Mode value. An attempt to reset a
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-- of a string constant into a File_Mode value. An attempt to reset a
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-- Direct_IO file to mode Append_File should cause an Constraint_Error
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-- Direct_IO file to mode Append_File should cause an Constraint_Error
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-- to be raised, as Append_File mode has not been added to Direct_IO in
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-- to be raised, as Append_File mode has not been added to Direct_IO in
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-- Ada 9X.
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-- Ada 9X.
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--
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--
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-- APPLICABILITY CRITERIA:
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-- APPLICABILITY CRITERIA:
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-- This test is applicable to all implementations supporting Direct_IO
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-- This test is applicable to all implementations supporting Direct_IO
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-- files.
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-- 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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-- 19 Feb 97 PWB.CTA Allowed for non-support of Reset for certain
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-- 19 Feb 97 PWB.CTA Allowed for non-support of Reset for certain
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-- modes.
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-- modes.
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--!
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--!
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with Direct_IO;
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with Direct_IO;
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with Report;
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with Report;
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procedure CXA8003 is
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procedure CXA8003 is
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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 ("CXA8003", "Check that Append_File mode has not " &
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Report.Test ("CXA8003", "Check that Append_File mode has not " &
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"been added to package Direct_IO");
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"been added to package Direct_IO");
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Test_for_Direct_IO_Support:
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Test_for_Direct_IO_Support:
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declare
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declare
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subtype String_Data_Type is String (1 .. 20);
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subtype String_Data_Type is String (1 .. 20);
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type Numeric_Data_Type is range 1 .. 512;
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type Numeric_Data_Type is range 1 .. 512;
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type Composite_Data_Type is array (1 .. 3) of String_Data_Type;
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type Composite_Data_Type is array (1 .. 3) of String_Data_Type;
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type File_Data_Type is record
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type File_Data_Type is record
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Data_Field_1 : String_Data_Type;
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Data_Field_1 : String_Data_Type;
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Data_Field_2 : Numeric_Data_Type;
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Data_Field_2 : Numeric_Data_Type;
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Data_Field_3 : Composite_Data_Type;
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Data_Field_3 : Composite_Data_Type;
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end record;
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end record;
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package Dir_IO is new Direct_IO (File_Data_Type);
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package Dir_IO is new Direct_IO (File_Data_Type);
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Data_File : Dir_IO.File_Type;
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Data_File : Dir_IO.File_Type;
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Dir_Filename : constant String := Report.Legal_File_Name;
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Dir_Filename : constant String := Report.Legal_File_Name;
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begin
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begin
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-- An application creates a text file with mode Out_File.
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-- An application creates a text file with mode Out_File.
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-- Use_Error will be raised if Direct_IO operations or external
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-- Use_Error will be raised if Direct_IO operations or external
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-- files are not supported.
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-- files are not supported.
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Dir_IO.Create (Data_File,
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Dir_IO.Create (Data_File,
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Dir_IO.Out_File,
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Dir_IO.Out_File,
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Dir_Filename);
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Dir_Filename);
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Change_File_Mode:
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Change_File_Mode:
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declare
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declare
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TC_Append_Test_Executed : Boolean := False;
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TC_Append_Test_Executed : Boolean := False;
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type Mode_Selection_Type is ( A, I, IO, O );
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type Mode_Selection_Type is ( A, I, IO, O );
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procedure Change_Mode (File : in out Dir_IO.File_Type;
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procedure Change_Mode (File : in out Dir_IO.File_Type;
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To : in Mode_Selection_Type) is
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To : in Mode_Selection_Type) is
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begin
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begin
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case To is
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case To is
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when A =>
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when A =>
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TC_Append_Test_Executed := True;
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TC_Append_Test_Executed := True;
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Dir_IO.Reset
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Dir_IO.Reset
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(File, Dir_IO.File_Mode'Value("Append_File"));
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(File, Dir_IO.File_Mode'Value("Append_File"));
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when I =>
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when I =>
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begin
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begin
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Dir_IO.Reset
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Dir_IO.Reset
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(File, Dir_IO.File_Mode'Value("In_File"));
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(File, Dir_IO.File_Mode'Value("In_File"));
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exception
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exception
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when Dir_IO.Use_Error =>
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when Dir_IO.Use_Error =>
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Report.Not_Applicable
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Report.Not_Applicable
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("Reset to In_File not supported: Direct_IO");
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("Reset to In_File not supported: Direct_IO");
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raise Incomplete;
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raise Incomplete;
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end;
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end;
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when IO =>
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when IO =>
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begin
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begin
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Dir_IO.Reset
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Dir_IO.Reset
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(File, Dir_IO.File_Mode'Value("Inout_File"));
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(File, Dir_IO.File_Mode'Value("Inout_File"));
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exception
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exception
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when Dir_IO.Use_Error =>
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when Dir_IO.Use_Error =>
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Report.Not_Applicable
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Report.Not_Applicable
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("Reset to InOut_File not supported: Direct_IO");
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("Reset to InOut_File not supported: Direct_IO");
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raise Incomplete;
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raise Incomplete;
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end;
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end;
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when O =>
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when O =>
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begin
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begin
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Dir_IO.Reset
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Dir_IO.Reset
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(File, Dir_IO.File_Mode'Value("Out_File"));
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(File, Dir_IO.File_Mode'Value("Out_File"));
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exception
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exception
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when Dir_IO.Use_Error =>
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when Dir_IO.Use_Error =>
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Report.Not_Applicable
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Report.Not_Applicable
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("Reset to Out_File not supported: Direct_IO");
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("Reset to Out_File not supported: Direct_IO");
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raise Incomplete;
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raise Incomplete;
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end;
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end;
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end case;
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end case;
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end Change_Mode;
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end Change_Mode;
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begin
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begin
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-- At some point in the processing, the application may call a
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-- At some point in the processing, the application may call a
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-- procedure to change the mode of the file (perhaps for
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-- procedure to change the mode of the file (perhaps for
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-- additional data entry, data verification, etc.). It is at
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-- additional data entry, data verification, etc.). It is at
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-- this point that a use of Append_File mode for a Direct_IO
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-- this point that a use of Append_File mode for a Direct_IO
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-- file would cause an exception.
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-- file would cause an exception.
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for I in reverse Mode_Selection_Type loop
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for I in reverse Mode_Selection_Type loop
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Change_Mode (Data_File, I);
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Change_Mode (Data_File, I);
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Report.Comment
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Report.Comment
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("Mode changed to " &
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("Mode changed to " &
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Dir_IO.File_Mode'Image (Dir_IO.Mode (Data_File)));
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Dir_IO.File_Mode'Image (Dir_IO.Mode (Data_File)));
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end loop;
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end loop;
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Report.Failed("No error raised on change to Append_File mode");
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Report.Failed("No error raised on change to Append_File mode");
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exception
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exception
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-- A handler has been provided in the application, which
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-- A handler has been provided in the application, which
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-- handles the constraint error, allowing processing to
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-- handles the constraint error, allowing processing to
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-- continue.
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-- continue.
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when Constraint_Error =>
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when Constraint_Error =>
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if TC_Append_Test_Executed then
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if TC_Append_Test_Executed then
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Report.Comment ("Constraint_Error correctly raised on " &
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Report.Comment ("Constraint_Error correctly raised on " &
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"attempted Append_File mode selection " &
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"attempted Append_File mode selection " &
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"for a Direct_IO file");
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"for a Direct_IO file");
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else
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else
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Report.Failed ("Append test was not executed");
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Report.Failed ("Append test was not executed");
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end if;
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end if;
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when Incomplete => raise;
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when Incomplete => raise;
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when others => Report.Failed ("Unexpected exception raised");
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when others => Report.Failed ("Unexpected exception raised");
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end Change_File_Mode;
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end Change_File_Mode;
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Final_Block:
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Final_Block:
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begin
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begin
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if Dir_IO.Is_Open (Data_File) then
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if Dir_IO.Is_Open (Data_File) then
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Dir_IO.Delete (Data_File);
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Dir_IO.Delete (Data_File);
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else
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else
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Dir_IO.Open (Data_File, Dir_IO.In_File, Dir_Filename);
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Dir_IO.Open (Data_File, Dir_IO.In_File, Dir_Filename);
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Dir_IO.Delete (Data_File);
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Dir_IO.Delete (Data_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 ("Delete not properly supported: Direct_IO");
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Report.Failed ("Delete not properly supported: Direct_IO");
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end Final_Block;
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end Final_Block;
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exception
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exception
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-- Since Use_Error or Name_Error can be raised if, for the
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-- Since Use_Error or Name_Error can be raised if, for the
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-- specified mode, the environment does not support Direct_IO
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-- specified mode, the environment does not support Direct_IO
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-- operations, the following handlers are included:
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-- operations, the following handlers are included:
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when Dir_IO.Name_Error =>
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when Dir_IO.Name_Error =>
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Report.Not_Applicable("Name_Error raised on Direct IO Create");
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Report.Not_Applicable("Name_Error raised on Direct IO Create");
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when Dir_IO.Use_Error =>
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when Dir_IO.Use_Error =>
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Report.Not_Applicable("Use_Error raised on Direct IO Create");
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Report.Not_Applicable("Use_Error raised on Direct IO Create");
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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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("Unexpected exception raised on Direct IO Create");
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("Unexpected exception raised on Direct IO Create");
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end Test_for_Direct_IO_Support;
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end Test_for_Direct_IO_Support;
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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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end CXA8003;
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end CXA8003;
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