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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
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /gcc/testsuite/ada/acats/tests/cxa/cxaa011.a
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+-- CXAA011.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 operations of Text_IO.Enumeration_IO perform correctly
+-- on files of Append_File mode, for instantiations using
+-- enumeration types. Check that Enumeration_IO procedures Put and Get
+-- properly transfer enumeration data to/from data files.
+-- Check that the formatting parameters available in the package can
+-- be used and modified successfully in the storage and retrieval of data.
+--
+-- TEST DESCRIPTION:
+-- This test is designed to simulate an environment where a data file
+-- that holds enumeration type information is reset from it current mode
+-- to allow the appending of data to the end of the This process
+-- of Reset/Write 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 resetting a file created in Out_File mode
+-- to Append_File mode, resetting from Append_File mode to In_File mode,
+-- as well as a variety of Text_IO and Enumeration_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 CXAA011 is
+ use Ada;
+
+ Status_Log : Text_IO.File_Type;
+ Status_Log_Filename : constant String :=
+ Report.Legal_File_Name ( Nam => "CXAA011" );
+ Incomplete : exception;
+
+begin
+
+ Report.Test ("CXAA011", "Check that the operations of " &
+ "Text_IO.Enumeration_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 => Status_Log,
+ Mode => Text_IO.Out_File,
+ Name => Status_Log_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
+
+ type Days_In_Week is (Monday, Tuesday, Wednesday, Thursday, Friday,
+ Saturday, Sunday);
+ type Hours_In_Day is (A0000, A0600, P1200, P0600); -- Six hour
+ -- blocks.
+ type Status_Type is (Operational, Off_Line);
+
+ type Status_Record_Type is record
+ Day : Days_In_Week;
+ Hour : Hours_In_Day;
+ Status : Status_Type;
+ end record;
+
+ Morning_Reading : Status_Record_Type :=
+ (Wednesday, A0600, Operational);
+ Evening_Reading : Status_Record_Type :=
+ (Saturday, P0600, Off_Line);
+
+ package Day_IO is new Text_IO.Enumeration_IO (Days_In_Week);
+ package Hours_IO is new Text_IO.Enumeration_IO (Hours_In_Day);
+ package Status_IO is new Text_IO.Enumeration_IO (Status_Type);
+
+
+ -- The following function simulates the hourly recording of equipment
+ -- status.
+
+ function Record_Status (Reading : Status_Record_Type)
+ return Boolean is
+ use Text_IO; -- To provide visibility to type Type_Set and
+ -- enumeration literal Upper_Case.
+ begin
+ Day_IO.Put (File => Status_Log,
+ Item => Reading.Day,
+ Set => Type_Set'(Upper_Case));
+ Hours_IO.Put (Status_Log, Reading.Hour, 7);
+ Status_IO.Put (Status_Log, Reading.Status,
+ Width => 8, Set => Lower_Case);
+ Text_IO.New_Line (Status_Log);
+ return (True);
+ exception
+ when others => return False;
+ end Record_Status;
+
+ begin
+
+ -- The usage scenario intended is as follows:
+ -- File is created.
+ -- Unrelated/unknown file processing occurs.
+ -- On six hour intervals, file is reset to Append_File mode.
+ -- Data is appended to file.
+ -- Unrelated/unknown file processing resumes.
+ -- Reset/Append process is repeated.
+
+ Reset1:
+ begin
+ Text_IO.Reset (Status_Log, -- Reset to
+ Text_IO.Append_File); -- Append mode.
+ exception
+ when Text_IO.Use_Error =>
+ Report.Not_Applicable
+ ( "Reset to Append_File not supported for Text_IO" );
+ raise Incomplete;
+ end Reset1;
+
+ Day_IO.Default_Width := Days_In_Week'Width + 5; -- Default values
+ -- are modifiable.
+
+ if not Record_Status (Morning_Reading) then -- Enter data.
+ Report.Failed ("Exception occurred during data file update");
+ end if;
+
+ Reset2:
+ begin
+ Text_IO.Reset (Status_Log, -- Reset to
+ Text_IO.Append_File); -- Append mode.
+ exception
+ when Text_IO.Use_Error =>
+ Report.Not_Applicable
+ ( "Reset to Append_File not supported for Text_IO" );
+ raise Incomplete;
+ end Reset2;
+
+ if not Record_Status (Evening_Reading) then -- Enter data.
+ Report.Failed ("Exception occurred during data file update");
+ end if;
+
+ Test_Verification_Block:
+ declare
+ TC_Reading1 : Status_Record_Type;
+ TC_Reading2 : Status_Record_Type;
+ begin
+
+ Reset3:
+ begin
+ Text_IO.Reset (Status_Log, 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 Reset3;
+
+ Day_IO.Get (Status_Log, TC_Reading1.Day); -- Read data from
+ Hours_IO.Get (Status_Log, TC_Reading1.Hour); -- first record.
+ Status_IO.Get (Status_Log, TC_Reading1.Status);
+ Text_IO.Skip_Line (Status_Log);
+
+ -- Verify the data read from the file. Compare with the
+ -- record that was originally entered into the file.
+
+ if (TC_Reading1 /= Morning_Reading) then
+ Report.Failed ("Data error on reading first record");
+ end if;
+
+ Day_IO.Get (Status_Log, TC_Reading2.Day); -- Read data from
+ Hours_IO.Get (Status_Log, TC_Reading2.Hour); -- second record.
+ Status_IO.Get (Status_Log, TC_Reading2.Status);
+ Text_IO.Skip_Line (Status_Log);
+
+ -- Verify all of the data fields read from the file. Compare
+ -- with the values that were originally entered into the file.
+
+ if (TC_Reading2.Day /= Evening_Reading.Day) or
+ (TC_Reading2.Hour /= Evening_Reading.Hour) or
+ (TC_Reading2.Status /= Evening_Reading.Status) then
+ Report.Failed ("Data error on reading second record");
+ 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.Enumeration_IO processing");
+ end Operational_Test_Block;
+
+ Final_Block:
+ begin
+ -- Delete the external file.
+ if Text_IO.Is_Open (Status_Log) then
+ Text_IO.Delete (Status_Log);
+ else
+ Text_IO.Open (Status_Log, Text_IO.Out_File, Status_Log_Filename);
+ Text_IO.Delete (Status_Log);
+ 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 CXAA011;