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|
-- CXAA008.A
--
-- Grant of Unlimited Rights
--
-- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
-- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
-- unlimited rights in the software and documentation contained herein.
-- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
-- this public release, the Government intends to confer upon all
-- recipients unlimited rights equal to those held by the Government.
-- These rights include rights to use, duplicate, release or disclose the
-- released technical data and computer software in whole or in part, in
-- any manner and for any purpose whatsoever, and to have or permit others
-- to do so.
--
-- DISCLAIMER
--
-- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
-- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
-- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
-- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
-- PARTICULAR PURPOSE OF SAID MATERIAL.
--*
--
-- OBJECTIVE:
-- Check that the capabilities provided in instantiations of the
-- Ada.Text_IO.Fixed_IO package operate correctly when the mode of
-- the file is Append_File. Check that Fixed_IO procedures Put and Get
-- properly transfer fixed point data to/from data files that are in
-- Append_File mode. Check that the formatting parameters available in
-- the package can be used and modified successfully in the appending and
-- retrieval of data.
--
-- TEST DESCRIPTION:
-- This test simulates order processing, with data values being written
-- to a file, in a specific format, using Fixed_IO. Validation is done
-- on this process by reading the data values from the file, and
-- comparing them for equality with the values originally written to
-- the file.
--
-- This test verifies issues of create in Append_File mode, appending to
-- a file previously appended to, resetting to Append_File mode,
-- resetting from Append_File mode to In_File mode, as well as a
-- variety of Text_IO and Fixed_IO predefined subprograms.
--
-- APPLICABILITY CRITERIA:
-- This test is applicable only to implementations that support text
-- files.
--
--
-- CHANGE HISTORY:
-- 06 Dec 94 SAIC ACVC 2.0
-- 25 Feb 97 PWB.CTA Allowed for non-support of some IO operations
--!
with Ada.Text_IO;
with Report;
procedure CXAA008 is
use Ada;
Inventory_File : Text_IO.File_Type;
Inventory_Filename : constant String :=
Report.Legal_File_Name ( Nam => "CXAA008" );
Incomplete : exception;
begin
Report.Test ("CXAA008", "Check that the capabilities of " &
"Text_IO.Fixed_IO operate correctly for files " &
"with mode Append_File");
Test_for_Text_IO_Support:
begin
-- An implementation that does not support Text_IO in a particular
-- environment will raise Use_Error on calls to various
-- Text_IO operations. This block statement encloses a call to
-- Create, which should raise the exception in a non-supportive
-- environment. This exception will be handled to produce a
-- Not_Applicable result.
Text_IO.Create (File => Inventory_File,
Mode => Text_IO.Append_File,
Name => Inventory_Filename);
exception
when Text_IO.Use_Error | Text_IO.Name_Error =>
Report.Not_Applicable
( "Files not supported - Create with Append_File for Text_IO" );
raise Incomplete;
end Test_For_Text_IO_Support;
Operational_Test_Block:
declare
Daily_Orders_Received : constant Natural := 4;
type Item_Type is delta 0.1 range 0.0 .. 5000.0;
type Cost_Type is delta 0.01 range 0.0 .. 10_000.0;
type Profit_Type is delta 0.01 range -100.0 .. 1000.0;
type Product_Type is record
Item_Number : Item_Type := 0.0;
Unit_Cost : Cost_Type := 0.00;
Percent_Markup : Profit_Type := 0.00;
end record;
type Inventory_Type is
array (1 .. Daily_Orders_Received) of Product_Type;
Daily_Inventory : Inventory_Type := (( 1.0, 1.75, 50.00),
( 155.0, 20.00, -5.50),
(3343.5, 2.50, 126.50),
(4986.0, 180.00, 31.75));
package Item_IO is new Text_IO.Fixed_IO (Item_Type);
package Cost_IO is new Text_IO.Fixed_IO (Cost_Type);
package Markup_IO is new Text_IO.Fixed_IO (Profit_Type);
function TC_Mode_Selection (Selector : Integer)
return Text_IO.File_Mode is
begin
case Selector is
when 1 => return Text_IO.In_File;
when 2 => return Text_IO.Out_File;
when others => return Text_IO.Append_File;
end case;
end TC_Mode_Selection;
-- The following function simulates the addition of inventory item
-- information into a data file. Boolean status of True is returned
-- if all of the data entry was successful, False otherwise.
function Update_Inventory (The_List : Inventory_Type)
return Boolean is
begin
for I in 1 .. Daily_Orders_Received loop
Item_IO.Put (Inventory_File, The_List(I).Item_Number);
Cost_IO.Put (Inventory_File, The_List(I).Unit_Cost, 10, 4, 0);
Markup_IO.Put(File => Inventory_File,
Item => The_List(I).Percent_Markup,
Fore => 6,
Aft => 3,
Exp => 2);
Text_IO.New_Line (Inventory_File);
end loop;
return (True); -- Return a Status value.
exception
when others => return False;
end Update_Inventory;
begin
-- This code section simulates a receiving department maintaining a
-- data file containing information on items that have been ordered
-- and received.
-- Whenever items are received, the file is reset to Append_File
-- mode. Data is taken from an inventory list and entered into the
-- file, in specific format.
Reset1:
begin -- Reset to
Text_IO.Reset (Inventory_File, -- Append mode.
TC_Mode_Selection (Report.Ident_Int(3)));
exception
when Text_IO.Use_Error =>
Report.Not_Applicable
( "Reset to Append_File not supported for Text_IO" );
end Reset1;
-- Enter data.
if not Update_Inventory (The_List => Daily_Inventory) then
Report.Failed ("Exception occurred during inventory update");
raise Incomplete;
end if;
Test_Verification_Block:
declare
TC_Item : Item_Type;
TC_Cost : Cost_Type;
TC_Markup : Profit_Type;
TC_Item_Count : Natural := 0;
begin
Reset2:
begin
Text_IO.Reset (Inventory_File, Text_IO.In_File); -- Reset for
-- reading.
exception
when Text_IO.Use_Error =>
Report.Not_Applicable
( "Reset to In_File not supported for Text_IO" );
raise Incomplete;
end Reset2;
while not Text_IO.End_Of_File (Inventory_File) loop
Item_IO.Get (Inventory_File, TC_Item);
Cost_IO.Get (Inventory_File, TC_Cost);
Markup_IO.Get (File => Inventory_File,
Item => TC_Markup,
Width => 0);
Text_IO.Skip_Line (Inventory_File);
TC_Item_Count := TC_Item_Count + 1;
-- Verify all of the data fields read from the file. Compare
-- with the values that were originally entered into the file.
if (TC_Item /= Daily_Inventory(TC_Item_Count).Item_Number) then
Report.Failed ("Error in Item_Number read from file");
end if;
if (TC_Cost /= Daily_Inventory(TC_Item_Count).Unit_Cost) then
Report.Failed ("Error in Unit_Cost read from file");
end if;
if not (TC_Markup =
Daily_Inventory(TC_Item_Count).Percent_Markup) then
Report.Failed ("Error in Percent_Markup read from file");
end if;
end loop;
if (TC_Item_Count /= Daily_Orders_Received) then
Report.Failed ("Incorrect number of records read from file");
end if;
exception
when Incomplete =>
raise;
when others =>
Report.Failed ("Error raised during data verification");
end Test_Verification_Block;
exception
when Incomplete =>
raise;
when others =>
Report.Failed ("Exception in Text_IO.Fixed_IO processing");
end Operational_Test_Block;
Final_Block:
begin
-- Delete the external file.
if Text_IO.Is_Open (Inventory_File) then
Text_IO.Delete (Inventory_File);
else
Text_IO.Open (Inventory_File, Text_IO.In_File, Inventory_Filename);
Text_IO.Delete (Inventory_File);
end if;
exception
when others =>
Report.Failed ( "Delete not properly implemented for Text_IO" );
end Final_Block;
Report.Result;
exception
when Incomplete =>
Report.Result;
when others =>
Report.Failed ( "Unexpected exception" );
Report.Result;
end CXAA008;
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