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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
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tree976dc5ab7fddf506dadce60ae936f43f58787092 /gcc/testsuite/ada/acats/tests/cxa/cxaa009.a
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+-- CXAA009.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.Float_IO package operate correctly when the mode of
+-- the file is Append_File. Check that Float_IO procedures Put and Get
+-- properly transfer floating 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 is designed to simulate an environment where a data file
+-- that holds floating point information is created, written to, and
+-- closed. In the future, the file can be reopened in Append_File mode,
+-- additional data can be appended to it, and then closed. This process
+-- of Open/Append/Close can be repeated as necessary. All data written
+-- to the file is verified for accuracy when retrieved from the file.
+--
+-- This test verifies issues of create in Append_File mode, appending to
+-- a file previously appended to, opening in Append_File mode, resetting
+-- from Append_File mode to In_File mode, as well as a variety of Text_IO
+-- and Float_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 CXAA009 is
+
+ use Ada;
+ Loan_File : Text_IO.File_Type;
+ Loan_Filename : constant String :=
+ Report.Legal_File_Name ( Nam => "CXAA009" );
+ Incomplete : exception;
+
+begin
+
+ Report.Test ("CXAA009", "Check that the capabilities of " &
+ "Text_IO.Float_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 => Loan_File, -- Create in
+ Mode => Text_IO.Out_File, -- Out_File mode.
+ Name => Loan_Filename);
+
+ exception
+
+ when Text_IO.Use_Error | Text_IO.Name_Error =>
+ Report.Not_Applicable
+ ( "Files not supported - Create as Out_File for Text_IO" );
+ raise Incomplete;
+
+ end Test_for_Text_IO_Support;
+
+ Operational_Test_Block:
+ declare
+ Total_Loans_Outstanding : constant Natural := 3;
+ Transaction_Status : Boolean := False;
+
+ type Account_Balance_Type is digits 6 range 0.0 .. 1.0E6;
+ type Loan_Balance_Type is digits 6;
+ type Interest_Rate_Type is digits 4 range 0.0 .. 30.00;
+
+ type Loan_Info_Type is record
+ Account_Balance : Account_Balance_Type := 0.00;
+ Loan_Balance : Loan_Balance_Type := 0.00;
+ Loan_Interest_Rate : Interest_Rate_Type := 0.00;
+ end record;
+
+ Home_Refinance_Loan : Loan_Info_Type :=
+ (14_500.00, 135_000.00, 6.875);
+ Line_Of_Credit_Loan : Loan_Info_Type :=
+ ( 5490.00, -3000.00, 13.75);
+ Small_Business_Loan : Loan_Info_Type :=
+ (Account_Balance => 45_000.00,
+ Loan_Balance => 10_500.00,
+ Loan_Interest_Rate => 5.875);
+
+ package Acct_IO is new Text_IO.Float_IO (Account_Balance_Type);
+ package Loan_IO is new Text_IO.Float_IO (Loan_Balance_Type);
+ package Rate_IO is new Text_IO.Float_IO (Interest_Rate_Type);
+
+
+ -- The following procedure performs the addition of loan information
+ -- into a data file. Boolean status of True is returned if all of
+ -- the data entry was successful, False otherwise.
+ -- This demonstrates use of Float_IO using a variety of data formats.
+
+ procedure Update_Loan_Info (The_File : in out Text_IO.File_Type;
+ The_Loan : in Loan_Info_Type;
+ Status : out Boolean ) is
+ begin
+ Acct_IO.Put (The_File, The_Loan.Account_Balance);
+ Loan_IO.Put (The_File, The_Loan.Loan_Balance, 15, 2, 0);
+ Rate_IO.Put (File => The_File,
+ Item => The_Loan.Loan_Interest_Rate,
+ Fore => 6,
+ Aft => 3,
+ Exp => 0);
+ Text_IO.New_Line (The_File);
+ Status := True;
+ exception
+ when others => Status := False;
+ end Update_Loan_Info;
+
+
+ begin
+
+ -- This code section simulates a bank maintaining a data file
+ -- containing information on loans that have been made.
+ -- The scenario:
+ -- The loan file was created in Out_File mode.
+ -- Some number of data records are added.
+ -- The file is closed.
+ -- The file is subsequently reopened in Append_File mode.
+ -- Data is appended to the file.
+ -- The file is closed.
+ -- Repeat the Open/Append/Close process as required.
+ -- Verify data in the file.
+ -- etc.
+
+ Update_Loan_Info(Loan_File, Home_Refinance_Loan, Transaction_Status);
+
+ if not Transaction_Status then
+ Report.Failed ("Failure in update of first loan data");
+ end if;
+
+ Text_IO.Close (Loan_File);
+
+ -- When subsequent data items are to be added to the file, the file
+ -- is opened in Append_File mode.
+
+ Text_IO.Open (Loan_File, -- Open with
+ Text_IO.Append_File, -- Append mode.
+ Loan_Filename);
+
+ Update_Loan_Info(Loan_File, Line_Of_Credit_Loan, Transaction_Status);
+
+ if not Transaction_Status then
+ Report.Failed("Failure in update of first loan data");
+ end if;
+
+ Text_IO.Close(Loan_File);
+
+ -- To add additional data to the file, the file
+ -- is again opened in Append_File mode (appending to a file
+ -- previously appended to).
+
+ Text_IO.Open (Loan_File, -- Open with
+ Text_IO.Append_File, -- Append mode.
+ Loan_Filename);
+
+ Update_Loan_Info(Loan_File, Small_Business_Loan, Transaction_Status);
+
+ if not Transaction_Status then
+ Report.Failed("Failure in update of first loan data");
+ end if;
+
+ Test_Verification_Block:
+ declare
+ type Ledger_Type is
+ array (1 .. Total_Loans_Outstanding) of Loan_Info_Type;
+ TC_Bank_Ledger : Ledger_Type;
+ TC_Item_Count : Natural := 0;
+ begin
+
+ Reset1:
+ begin
+ Text_IO.Reset (Loan_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 Reset1;
+
+ while not Text_IO.End_Of_File (Loan_File) loop
+ TC_Item_Count := TC_Item_Count + 1;
+ Acct_IO.Get (Loan_File,
+ TC_Bank_Ledger(TC_Item_Count).Account_Balance);
+ Loan_IO.Get (Loan_File,
+ TC_Bank_Ledger(TC_Item_Count).Loan_Balance,
+ 0);
+ Rate_IO.Get(File => Loan_File,
+ Item =>
+ TC_Bank_Ledger(TC_Item_Count).Loan_Interest_Rate,
+ Width => 0);
+ Text_IO.Skip_Line(Loan_File);
+
+ end loop;
+
+ -- Verify all of the data fields read from the file. Compare
+ -- with the values that were originally entered into the file.
+
+ if (TC_Bank_Ledger(1) /= Home_Refinance_Loan) or
+ (TC_Bank_Ledger(2) /= Line_Of_Credit_Loan) or
+ (TC_Bank_Ledger(3) /= Small_Business_Loan) then
+ Report.Failed("Error in data read from file");
+ end if;
+
+ if (TC_Item_Count /= Total_Loans_Outstanding) 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.Float_IO processing");
+ end Operational_Test_Block;
+
+ Final_Block:
+ begin
+ -- Delete the external file.
+ if Text_IO.Is_Open(Loan_File) then
+ Text_IO.Delete(Loan_File);
+ else
+ Text_IO.Open(Loan_File, Text_IO.In_File, Loan_Filename);
+ Text_IO.Delete(Loan_File);
+ end if;
+
+ exception
+
+ when Text_IO.Use_Error =>
+ 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 CXAA009;