-- CXAA018.A
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-- CXAA018.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 subprograms defined in the package Text_IO.Modular_IO
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-- Check that the subprograms defined in the package Text_IO.Modular_IO
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-- provide correct results.
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-- provide correct results.
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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 checks that the subprograms defined in the
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-- This test checks that the subprograms defined in the
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-- Ada.Text_IO.Modular_IO package provide correct results.
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-- Ada.Text_IO.Modular_IO package provide correct results.
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-- A modular type is defined and used to instantiate the generic
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-- A modular type is defined and used to instantiate the generic
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-- package Ada.Text_IO.Modular_IO. Values of the modular type are
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-- package Ada.Text_IO.Modular_IO. Values of the modular type are
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-- written to a Text_IO file, and to a series of string variables, using
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-- written to a Text_IO file, and to a series of string variables, using
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-- different versions of the procedure Put from the instantiated IO
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-- different versions of the procedure Put from the instantiated IO
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-- package. These modular data items are retrieved from the file and
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-- package. These modular data items are retrieved from the file and
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-- string variables using the appropriate instantiated version of
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-- string variables using the appropriate instantiated version of
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-- procedure Get. A variety of Base and Width parameter values are
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-- procedure Get. A variety of Base and Width parameter values are
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-- used in the procedure calls.
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-- used in the procedure calls.
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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 that support Text_IO
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-- This test is applicable to all implementations that support Text_IO
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-- processing and external files.
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-- processing and external 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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-- 03 Jul 95 SAIC Initial prerelease version.
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-- 03 Jul 95 SAIC Initial prerelease version.
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-- 01 May 96 SAIC Incorporated reviewer comments for ACVC 2.1.
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-- 01 May 96 SAIC Incorporated reviewer comments for ACVC 2.1.
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--
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--
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--!
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--!
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with Ada.Text_IO;
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with Ada.Text_IO;
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with System;
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with System;
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with Report;
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with Report;
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procedure CXAA018 is
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procedure CXAA018 is
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begin
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begin
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Report.Test ("CXAA018", "Check that the subprograms defined in " &
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Report.Test ("CXAA018", "Check that the subprograms defined in " &
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"the package Text_IO.Modular_IO provide " &
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"the package Text_IO.Modular_IO provide " &
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"correct results");
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"correct results");
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Test_for_Text_IO_Support:
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Test_for_Text_IO_Support:
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declare
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declare
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Data_File : Ada.Text_IO.File_Type;
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Data_File : Ada.Text_IO.File_Type;
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Data_Filename : constant String := Report.Legal_File_Name;
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Data_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 in mode Out_File, with the
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-- An application creates a text file in mode Out_File, with the
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-- intention of entering modular data into the file as appropriate.
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-- intention of entering modular data into the file as appropriate.
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-- In the event that the particular environment where the application
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-- In the event that the particular environment where the application
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-- is running does not support Text_IO, Use_Error or Name_Error will be
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-- is running does not support Text_IO, Use_Error or Name_Error will be
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-- raised on calls to Text_IO operations. Either of these exceptions
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-- raised on calls to Text_IO operations. Either of these exceptions
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-- will be handled to produce a Not_Applicable result.
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-- will be handled to produce a Not_Applicable result.
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Ada.Text_IO.Create (File => Data_File,
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Ada.Text_IO.Create (File => Data_File,
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Mode => Ada.Text_IO.Out_File,
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Mode => Ada.Text_IO.Out_File,
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Name => Data_Filename);
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Name => Data_Filename);
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Test_Block:
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Test_Block:
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declare
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declare
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type Mod_Type is mod System.Max_Binary_Modulus;
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type Mod_Type is mod System.Max_Binary_Modulus;
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-- Max_Binary_Modulus must be at least 2**16, which would result
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-- Max_Binary_Modulus must be at least 2**16, which would result
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-- in a base range of 0..65535 (zero to one less than the given
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-- in a base range of 0..65535 (zero to one less than the given
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-- modulus) for this modular type.
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-- modulus) for this modular type.
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package Mod_IO is new Ada.Text_IO.Modular_IO(Mod_Type);
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package Mod_IO is new Ada.Text_IO.Modular_IO(Mod_Type);
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use Ada.Text_IO, Mod_IO;
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use Ada.Text_IO, Mod_IO;
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use type Mod_Type;
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use type Mod_Type;
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Number_Of_Modular_Items : constant := 6;
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Number_Of_Modular_Items : constant := 6;
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Number_Of_Error_Items : constant := 1;
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Number_Of_Error_Items : constant := 1;
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TC_Modular : Mod_Type;
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TC_Modular : Mod_Type;
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TC_Last_Character_Read : Positive;
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TC_Last_Character_Read : Positive;
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Modular_Array : array (1..Number_Of_Modular_Items) of Mod_Type :=
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Modular_Array : array (1..Number_Of_Modular_Items) of Mod_Type :=
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( 0, 97, 255, 1025, 12097, 65535 );
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( 0, 97, 255, 1025, 12097, 65535 );
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procedure Load_File (The_File : in out Ada.Text_IO.File_Type) is
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procedure Load_File (The_File : in out Ada.Text_IO.File_Type) is
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begin
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begin
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-- This procedure does not create, open, or close the data file;
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-- This procedure does not create, open, or close the data file;
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-- The_File file object must be Open at this point.
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-- The_File file object must be Open at this point.
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-- This procedure is designed to load Modular_Type data into a
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-- This procedure is designed to load Modular_Type data into a
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-- data file.
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-- data file.
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--
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--
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-- Use the Modular_IO procedure Put to enter modular data items
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-- Use the Modular_IO procedure Put to enter modular data items
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-- into the data file.
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-- into the data file.
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for i in 1..Number_Of_Modular_Items loop
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for i in 1..Number_Of_Modular_Items loop
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-- Use default Base parameter of 10.
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-- Use default Base parameter of 10.
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Mod_IO.Put(File => Data_File,
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Mod_IO.Put(File => Data_File,
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Item => Modular_Array(i),
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Item => Modular_Array(i),
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Width => 6,
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Width => 6,
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Base => Mod_IO.Default_Base);
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Base => Mod_IO.Default_Base);
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end loop;
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end loop;
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-- Enter data into the file such that on the corresponding "Get"
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-- Enter data into the file such that on the corresponding "Get"
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-- of this data, Data_Error must be raised. This value is outside
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-- of this data, Data_Error must be raised. This value is outside
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-- the base range of Modular_Type.
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-- the base range of Modular_Type.
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-- Text_IO is used to enter the value in the file.
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-- Text_IO is used to enter the value in the file.
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for i in 1..Number_Of_Error_Items loop
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for i in 1..Number_Of_Error_Items loop
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Ada.Text_IO.Put(The_File, "-10");
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Ada.Text_IO.Put(The_File, "-10");
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end loop;
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end loop;
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end Load_File;
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end Load_File;
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procedure Process_File(The_File : in out Ada.Text_IO.File_Type) is
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procedure Process_File(The_File : in out Ada.Text_IO.File_Type) is
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begin
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begin
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-- This procedure does not create, open, or close the data file;
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-- This procedure does not create, open, or close the data file;
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-- The_File file object must be Open at this point.
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-- The_File file object must be Open at this point.
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-- Use procedure Get (for Files) to extract the modular data from
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-- Use procedure Get (for Files) to extract the modular data from
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-- the Text_IO file.
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-- the Text_IO file.
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for i in 1..Number_Of_Modular_Items loop
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for i in 1..Number_Of_Modular_Items loop
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Mod_IO.Get(The_File, TC_Modular, Width => 6);
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Mod_IO.Get(The_File, TC_Modular, Width => 6);
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if TC_Modular /= Modular_Array(i) then
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if TC_Modular /= Modular_Array(i) then
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Report.Failed("Incorrect modular data read from file " &
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Report.Failed("Incorrect modular data read from file " &
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"data item #" & Integer'Image(i));
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"data item #" & Integer'Image(i));
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end if;
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end if;
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end loop;
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end loop;
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-- The final item in the Data_File is a modular value that is
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-- The final item in the Data_File is a modular value that is
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-- outside the base range 0..Num'Last. This value should raise
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-- outside the base range 0..Num'Last. This value should raise
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-- Data_Error on an attempt to "Get" it from the file.
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-- Data_Error on an attempt to "Get" it from the file.
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for i in 1..Number_Of_Error_Items loop
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for i in 1..Number_Of_Error_Items loop
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begin
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begin
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Mod_IO.Get(The_File, TC_Modular, Mod_IO.Default_Width);
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Mod_IO.Get(The_File, TC_Modular, Mod_IO.Default_Width);
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Report.Failed
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Report.Failed
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("Exception Data_Error not raised when Get " &
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("Exception Data_Error not raised when Get " &
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"was used to read modular data outside base " &
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"was used to read modular data outside base " &
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"range of type, item # " &
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"range of type, item # " &
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Integer'Image(i));
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Integer'Image(i));
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exception
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exception
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when Ada.Text_IO.Data_Error =>
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when Ada.Text_IO.Data_Error =>
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null; -- OK, expected exception.
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null; -- OK, expected exception.
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when others =>
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when others =>
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Report.Failed("Unexpected exception raised when Get " &
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Report.Failed("Unexpected exception raised when Get " &
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"was used to read modular data outside " &
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"was used to read modular data outside " &
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"base range of type from Data_File, " &
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"base range of type from Data_File, " &
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"data item #" & Integer'Image(i));
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"data item #" & Integer'Image(i));
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end;
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end;
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end loop;
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end loop;
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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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("Unexpected exception raised in Process_File");
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("Unexpected exception raised in Process_File");
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end Process_File;
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end Process_File;
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begin -- Test_Block.
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begin -- Test_Block.
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-- Place modular values into data file.
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-- Place modular values into data file.
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Load_File(Data_File);
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Load_File(Data_File);
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Ada.Text_IO.Close(Data_File);
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Ada.Text_IO.Close(Data_File);
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-- Read modular values from data file.
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-- Read modular values from data file.
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Ada.Text_IO.Open(Data_File, Ada.Text_IO.In_File, Data_Filename);
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Ada.Text_IO.Open(Data_File, Ada.Text_IO.In_File, Data_Filename);
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Process_File(Data_File);
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Process_File(Data_File);
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-- Verify versions of Modular_IO procedures Put and Get for Strings.
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-- Verify versions of Modular_IO procedures Put and Get for Strings.
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Modular_IO_in_Strings:
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Modular_IO_in_Strings:
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declare
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declare
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TC_String_Array : array (1..Number_Of_Modular_Items)
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TC_String_Array : array (1..Number_Of_Modular_Items)
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of String(1..30) := (others =>(others => ' '));
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of String(1..30) := (others =>(others => ' '));
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begin
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begin
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-- Place modular values into strings using the Procedure Put,
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-- Place modular values into strings using the Procedure Put,
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-- Use a variety of different "Base" parameter values.
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-- Use a variety of different "Base" parameter values.
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-- Note: This version of Put uses the length of the given
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-- Note: This version of Put uses the length of the given
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-- string as the value of the "Width" parameter.
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-- string as the value of the "Width" parameter.
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for i in 1..2 loop
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for i in 1..2 loop
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Mod_IO.Put(To => TC_String_Array(i),
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Mod_IO.Put(To => TC_String_Array(i),
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Item => Modular_Array(i),
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Item => Modular_Array(i),
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Base => Mod_IO.Default_Base);
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Base => Mod_IO.Default_Base);
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end loop;
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end loop;
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for i in 3..4 loop
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for i in 3..4 loop
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Mod_IO.Put(TC_String_Array(i),
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Mod_IO.Put(TC_String_Array(i),
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Modular_Array(i),
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Modular_Array(i),
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Base => 2);
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Base => 2);
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end loop;
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end loop;
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for i in 5..6 loop
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for i in 5..6 loop
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Mod_IO.Put(TC_String_Array(i), Modular_Array(i), 16);
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Mod_IO.Put(TC_String_Array(i), Modular_Array(i), 16);
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end loop;
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end loop;
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-- Get modular values from strings using the Procedure Get.
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-- Get modular values from strings using the Procedure Get.
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-- Compare with expected modular values.
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-- Compare with expected modular values.
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for i in 1..Number_Of_Modular_Items loop
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for i in 1..Number_Of_Modular_Items loop
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Mod_IO.Get(From => TC_String_Array(i),
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Mod_IO.Get(From => TC_String_Array(i),
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Item => TC_Modular,
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Item => TC_Modular,
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Last => TC_Last_Character_Read);
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Last => TC_Last_Character_Read);
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if TC_Modular /= Modular_Array(i) then
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if TC_Modular /= Modular_Array(i) then
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Report.Failed("Incorrect modular data value obtained " &
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Report.Failed("Incorrect modular data value obtained " &
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"from String following use of Procedures " &
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"from String following use of Procedures " &
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"Put and Get from Strings, Modular_Array " &
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"Put and Get from Strings, Modular_Array " &
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"item #" & Integer'Image(i));
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"item #" & Integer'Image(i));
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end if;
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end if;
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end loop;
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end loop;
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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 during the " &
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Report.Failed("Unexpected exception raised during the " &
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"evaluation of Put and Get for Strings");
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"evaluation of Put and Get for Strings");
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end Modular_IO_in_Strings;
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end Modular_IO_in_Strings;
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exception
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exception
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when others => Report.Failed ("Exception raised in Test_Block");
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when others => Report.Failed ("Exception raised in Test_Block");
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end Test_Block;
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end Test_Block;
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-- Delete the external file.
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-- Delete the external file.
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if Ada.Text_IO.Is_Open(Data_File) then
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if Ada.Text_IO.Is_Open(Data_File) then
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Ada.Text_IO.Delete(Data_File);
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Ada.Text_IO.Delete(Data_File);
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else
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else
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Ada.Text_IO.Open(Data_File,
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Ada.Text_IO.Open(Data_File,
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Ada.Text_IO.In_File,
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Ada.Text_IO.In_File,
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Data_Filename);
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Data_Filename);
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Ada.Text_IO.Delete(Data_File);
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Ada.Text_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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|
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-- Since Use_Error can be raised if, for the specified mode,
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-- Since Use_Error can be raised if, for the specified mode,
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-- the environment does not support Text_IO operations, the
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-- the environment does not support Text_IO operations, the
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-- following handlers are included:
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-- following handlers are included:
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when Ada.Text_IO.Use_Error =>
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when Ada.Text_IO.Use_Error =>
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Report.Not_Applicable ("Use_Error raised on Text_IO Create");
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Report.Not_Applicable ("Use_Error raised on Text_IO Create");
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when Ada.Text_IO.Name_Error =>
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when Ada.Text_IO.Name_Error =>
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Report.Not_Applicable ("Name_Error raised on Text_IO Create");
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Report.Not_Applicable ("Name_Error raised on Text_IO Create");
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when others =>
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when others =>
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Report.Failed ("Unexpected exception raised on text file Create");
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Report.Failed ("Unexpected exception raised on text file Create");
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end Test_for_Text_IO_Support;
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end Test_for_Text_IO_Support;
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Report.Result;
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Report.Result;
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end CXAA018;
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end CXAA018;
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