-- CXAC005.A
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-- CXAC005.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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-- The Ada Conformity Assessment Authority (ACAA) holds unlimited
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-- The Ada Conformity Assessment Authority (ACAA) holds unlimited
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-- rights in the software and documentation contained herein. Unlimited
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-- rights in the software and documentation contained herein. Unlimited
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-- rights are the same as those granted by the U.S. Government for older
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-- rights are the same as those granted by the U.S. Government for older
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-- parts of the Ada Conformity Assessment Test Suite, and are defined
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-- parts of the Ada Conformity Assessment Test Suite, and are defined
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-- in DFAR 252.227-7013(a)(19). By making this public release, the ACAA
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-- in DFAR 252.227-7013(a)(19). By making this public release, the ACAA
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-- intends to confer upon all recipients unlimited rights equal to those
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-- intends to confer upon all recipients unlimited rights equal to those
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-- held by the ACAA. These rights include rights to use, duplicate,
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-- held by the ACAA. These rights include rights to use, duplicate,
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-- release or disclose the released technical data and computer software
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-- release or disclose the released technical data and computer software
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-- in whole or in part, in any manner and for any purpose whatsoever, and
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-- in whole or in part, in any manner and for any purpose whatsoever, and
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-- to have or permit others to do so.
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-- to have or permit others 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 stream file positioning work as specified. (Defect Report
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-- Check that stream file positioning work as specified. (Defect Report
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-- 8652/0055).
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-- 8652/0055).
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--
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--
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-- CHANGE HISTORY:
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-- CHANGE HISTORY:
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-- 12 FEB 2001 PHL Initial version.
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-- 12 FEB 2001 PHL Initial version.
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-- 14 MAR 2001 RLB Readied for release; fixed Not_Applicable check
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-- 14 MAR 2001 RLB Readied for release; fixed Not_Applicable check
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-- to terminate test gracefully.
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-- to terminate test gracefully.
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--
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--
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--!
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--!
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with Ada.Streams.Stream_Io;
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with Ada.Streams.Stream_Io;
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use Ada.Streams;
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use Ada.Streams;
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with Ada.Exceptions;
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with Ada.Exceptions;
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use Ada.Exceptions;
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use Ada.Exceptions;
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with Report;
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with Report;
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use Report;
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use Report;
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procedure CXAC005 is
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procedure CXAC005 is
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Incomplete : exception;
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Incomplete : exception;
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|
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procedure TC_Assert (Condition : Boolean; Message : String) is
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procedure TC_Assert (Condition : Boolean; Message : String) is
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begin
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begin
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if not Condition then
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if not Condition then
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Failed (Message);
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Failed (Message);
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end if;
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end if;
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end TC_Assert;
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end TC_Assert;
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|
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package Checked_Stream_Io is
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package Checked_Stream_Io is
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|
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type File_Type (Max_Size : Stream_Element_Count) is limited private;
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type File_Type (Max_Size : Stream_Element_Count) is limited private;
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function Stream_Io_File (File : File_Type) return Stream_Io.File_Type;
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function Stream_Io_File (File : File_Type) return Stream_Io.File_Type;
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|
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procedure Create (File : in out File_Type;
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procedure Create (File : in out File_Type;
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Mode : in Stream_Io.File_Mode := Stream_Io.Out_File;
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Mode : in Stream_Io.File_Mode := Stream_Io.Out_File;
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Name : in String := "";
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Name : in String := "";
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Form : in String := "");
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Form : in String := "");
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|
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procedure Open (File : in out File_Type;
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procedure Open (File : in out File_Type;
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Mode : in Stream_Io.File_Mode;
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Mode : in Stream_Io.File_Mode;
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Name : in String;
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Name : in String;
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Form : in String := "");
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Form : in String := "");
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|
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procedure Close (File : in out File_Type);
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procedure Close (File : in out File_Type);
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procedure Delete (File : in out File_Type);
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procedure Delete (File : in out File_Type);
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|
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procedure Reset (File : in out File_Type;
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procedure Reset (File : in out File_Type;
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Mode : in Stream_Io.File_Mode);
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Mode : in Stream_Io.File_Mode);
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procedure Reset (File : in out File_Type);
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procedure Reset (File : in out File_Type);
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|
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procedure Read (File : in out File_Type;
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procedure Read (File : in out File_Type;
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Item : out Stream_Element_Array;
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Item : out Stream_Element_Array;
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Last : out Stream_Element_Offset;
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Last : out Stream_Element_Offset;
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From : in Stream_Io.Positive_Count);
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From : in Stream_Io.Positive_Count);
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|
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procedure Read (File : in out File_Type;
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procedure Read (File : in out File_Type;
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Item : out Stream_Element_Array;
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Item : out Stream_Element_Array;
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Last : out Stream_Element_Offset);
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Last : out Stream_Element_Offset);
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|
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procedure Write (File : in out File_Type;
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procedure Write (File : in out File_Type;
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Item : in Stream_Element_Array;
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Item : in Stream_Element_Array;
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To : in Stream_Io.Positive_Count);
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To : in Stream_Io.Positive_Count);
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|
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procedure Write (File : in out File_Type;
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procedure Write (File : in out File_Type;
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Item : in Stream_Element_Array);
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Item : in Stream_Element_Array);
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procedure Set_Index (File : in out File_Type;
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procedure Set_Index (File : in out File_Type;
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To : in Stream_Io.Positive_Count);
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To : in Stream_Io.Positive_Count);
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function Index (File : in File_Type) return Stream_Io.Positive_Count;
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function Index (File : in File_Type) return Stream_Io.Positive_Count;
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|
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procedure Set_Mode (File : in out File_Type;
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procedure Set_Mode (File : in out File_Type;
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Mode : in Stream_Io.File_Mode);
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Mode : in Stream_Io.File_Mode);
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private
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private
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type File_Type (Max_Size : Stream_Element_Count) is
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type File_Type (Max_Size : Stream_Element_Count) is
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record
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record
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File : Stream_Io.File_Type;
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File : Stream_Io.File_Type;
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Index : Stream_Io.Positive_Count;
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Index : Stream_Io.Positive_Count;
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Contents :
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Contents :
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Stream_Element_Array
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Stream_Element_Array
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(Stream_Element_Offset (Ident_Int (1)) .. Max_Size);
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(Stream_Element_Offset (Ident_Int (1)) .. Max_Size);
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end record;
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end record;
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end Checked_Stream_Io;
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end Checked_Stream_Io;
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package body Checked_Stream_Io is
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package body Checked_Stream_Io is
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use Stream_Io;
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use Stream_Io;
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function Stream_Io_File (File : File_Type) return Stream_Io.File_Type is
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function Stream_Io_File (File : File_Type) return Stream_Io.File_Type is
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begin
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begin
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return File.File;
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return File.File;
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end Stream_Io_File;
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end Stream_Io_File;
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procedure Create (File : in out File_Type;
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procedure Create (File : in out File_Type;
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Mode : in Stream_Io.File_Mode := Stream_Io.Out_File;
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Mode : in Stream_Io.File_Mode := Stream_Io.Out_File;
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Name : in String := "";
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Name : in String := "";
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Form : in String := "") is
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Form : in String := "") is
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begin
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begin
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Stream_Io.Create (File.File, Mode, Name, Form);
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Stream_Io.Create (File.File, Mode, Name, Form);
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File.Index := Stream_Io.Index (File.File);
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File.Index := Stream_Io.Index (File.File);
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if Mode = Append_File then
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if Mode = Append_File then
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TC_Assert (File.Index = Stream_Io.Size (File.File) + 1,
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TC_Assert (File.Index = Stream_Io.Size (File.File) + 1,
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"Index /= Size + 1 -- Create - Append_File");
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"Index /= Size + 1 -- Create - Append_File");
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else
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else
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TC_Assert (File.Index = 1, "Index /= 1 -- Create - " &
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TC_Assert (File.Index = 1, "Index /= 1 -- Create - " &
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File_Mode'Image (Mode));
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File_Mode'Image (Mode));
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end if;
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end if;
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end Create;
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end Create;
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procedure Open (File : in out File_Type;
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procedure Open (File : in out File_Type;
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Mode : in Stream_Io.File_Mode;
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Mode : in Stream_Io.File_Mode;
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Name : in String;
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Name : in String;
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Form : in String := "") is
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Form : in String := "") is
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begin
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begin
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Stream_Io.Open (File.File, Mode, Name, Form);
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Stream_Io.Open (File.File, Mode, Name, Form);
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File.Index := Stream_Io.Index (File.File);
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File.Index := Stream_Io.Index (File.File);
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if Mode = Append_File then
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if Mode = Append_File then
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TC_Assert (File.Index = Stream_Io.Size (File.File) + 1,
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TC_Assert (File.Index = Stream_Io.Size (File.File) + 1,
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"Index /= Size + 1 -- Open - Append_File");
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"Index /= Size + 1 -- Open - Append_File");
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else
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else
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TC_Assert (File.Index = 1, "Index /= 1 -- Open - " &
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TC_Assert (File.Index = 1, "Index /= 1 -- Open - " &
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File_Mode'Image (Mode));
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File_Mode'Image (Mode));
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end if;
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end if;
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end Open;
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end Open;
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procedure Close (File : in out File_Type) is
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procedure Close (File : in out File_Type) is
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begin
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begin
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Stream_Io.Close (File.File);
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Stream_Io.Close (File.File);
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end Close;
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end Close;
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procedure Delete (File : in out File_Type) is
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procedure Delete (File : in out File_Type) is
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begin
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begin
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Stream_Io.Delete (File.File);
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Stream_Io.Delete (File.File);
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end Delete;
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end Delete;
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procedure Reset (File : in out File_Type;
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procedure Reset (File : in out File_Type;
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Mode : in Stream_Io.File_Mode) is
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Mode : in Stream_Io.File_Mode) is
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begin
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begin
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Stream_Io.Reset (File.File, Mode);
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Stream_Io.Reset (File.File, Mode);
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File.Index := Stream_Io.Index (File.File);
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File.Index := Stream_Io.Index (File.File);
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if Mode = Append_File then
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if Mode = Append_File then
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TC_Assert (File.Index = Stream_Io.Size (File.File) + 1,
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TC_Assert (File.Index = Stream_Io.Size (File.File) + 1,
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"Index /= Size + 1 -- Reset - Append_File");
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"Index /= Size + 1 -- Reset - Append_File");
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else
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else
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TC_Assert (File.Index = 1, "Index /= 1 -- Reset - " &
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TC_Assert (File.Index = 1, "Index /= 1 -- Reset - " &
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File_Mode'Image (Mode));
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File_Mode'Image (Mode));
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end if;
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end if;
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end Reset;
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end Reset;
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procedure Reset (File : in out File_Type) is
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procedure Reset (File : in out File_Type) is
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begin
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begin
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Reset (File, Stream_Io.Mode (File.File));
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Reset (File, Stream_Io.Mode (File.File));
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end Reset;
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end Reset;
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procedure Read (File : in out File_Type;
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procedure Read (File : in out File_Type;
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Item : out Stream_Element_Array;
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Item : out Stream_Element_Array;
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Last : out Stream_Element_Offset;
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Last : out Stream_Element_Offset;
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From : in Stream_Io.Positive_Count) is
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From : in Stream_Io.Positive_Count) is
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begin
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begin
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Set_Index (File, From);
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Set_Index (File, From);
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Read (File, Item, Last);
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Read (File, Item, Last);
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end Read;
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end Read;
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procedure Read (File : in out File_Type;
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procedure Read (File : in out File_Type;
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Item : out Stream_Element_Array;
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Item : out Stream_Element_Array;
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Last : out Stream_Element_Offset) is
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Last : out Stream_Element_Offset) is
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Index : constant Stream_Element_Offset :=
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Index : constant Stream_Element_Offset :=
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Stream_Element_Offset (File.Index);
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Stream_Element_Offset (File.Index);
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begin
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begin
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Stream_Io.Read (File.File, Item, Last);
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Stream_Io.Read (File.File, Item, Last);
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if Last < Item'Last then
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if Last < Item'Last then
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TC_Assert (Item (Item'First .. Last) =
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TC_Assert (Item (Item'First .. Last) =
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File.Contents (Index .. Index + Last - Item'First),
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File.Contents (Index .. Index + Last - Item'First),
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"Incorrect data read from file - 1");
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"Incorrect data read from file - 1");
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TC_Assert (Count (Index + Last - Item'First) =
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TC_Assert (Count (Index + Last - Item'First) =
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Stream_Io.Size (File.File),
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Stream_Io.Size (File.File),
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"Read stopped before end of file");
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"Read stopped before end of file");
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File.Index := Count (Index + Last - Item'First) + 1;
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File.Index := Count (Index + Last - Item'First) + 1;
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else
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else
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TC_Assert (Item = File.Contents (Index .. Index + Item'Length - 1),
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TC_Assert (Item = File.Contents (Index .. Index + Item'Length - 1),
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"Incorrect data read from file - 2");
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"Incorrect data read from file - 2");
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File.Index := File.Index + Item'Length;
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File.Index := File.Index + Item'Length;
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end if;
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end if;
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end Read;
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end Read;
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|
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procedure Write (File : in out File_Type;
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procedure Write (File : in out File_Type;
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Item : in Stream_Element_Array;
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Item : in Stream_Element_Array;
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To : in Stream_Io.Positive_Count) is
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To : in Stream_Io.Positive_Count) is
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begin
|
begin
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Set_Index (File, To);
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Set_Index (File, To);
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Write (File, Item);
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Write (File, Item);
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end Write;
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end Write;
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|
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procedure Write (File : in out File_Type;
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procedure Write (File : in out File_Type;
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Item : in Stream_Element_Array) is
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Item : in Stream_Element_Array) is
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Index : constant Stream_Element_Offset :=
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Index : constant Stream_Element_Offset :=
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Stream_Element_Offset (File.Index);
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Stream_Element_Offset (File.Index);
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begin
|
begin
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Stream_Io.Write (File.File, Item);
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Stream_Io.Write (File.File, Item);
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File.Contents (Index .. Index + Item'Length - 1) := Item;
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File.Contents (Index .. Index + Item'Length - 1) := Item;
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File.Index := File.Index + Item'Length;
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File.Index := File.Index + Item'Length;
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TC_Assert (File.Index = Stream_Io.Index (File.File),
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TC_Assert (File.Index = Stream_Io.Index (File.File),
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"Write failed to move the index");
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"Write failed to move the index");
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end Write;
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end Write;
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|
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procedure Set_Index (File : in out File_Type;
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procedure Set_Index (File : in out File_Type;
|
To : in Stream_Io.Positive_Count) is
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To : in Stream_Io.Positive_Count) is
|
begin
|
begin
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Stream_Io.Set_Index (File.File, To);
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Stream_Io.Set_Index (File.File, To);
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File.Index := Stream_Io.Index (File.File);
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File.Index := Stream_Io.Index (File.File);
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TC_Assert (File.Index = To, "Set_Index failed");
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TC_Assert (File.Index = To, "Set_Index failed");
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end Set_Index;
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end Set_Index;
|
|
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function Index (File : in File_Type) return Stream_Io.Positive_Count is
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function Index (File : in File_Type) return Stream_Io.Positive_Count is
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New_Index : constant Count := Stream_Io.Index (File.File);
|
New_Index : constant Count := Stream_Io.Index (File.File);
|
begin
|
begin
|
TC_Assert (New_Index = File.Index, "Index changed unexpectedly");
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TC_Assert (New_Index = File.Index, "Index changed unexpectedly");
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return New_Index;
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return New_Index;
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end Index;
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end Index;
|
|
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procedure Set_Mode (File : in out File_Type;
|
procedure Set_Mode (File : in out File_Type;
|
Mode : in Stream_Io.File_Mode) is
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Mode : in Stream_Io.File_Mode) is
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Old_Index : constant Count := File.Index;
|
Old_Index : constant Count := File.Index;
|
begin
|
begin
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Stream_Io.Set_Mode (File.File, Mode);
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Stream_Io.Set_Mode (File.File, Mode);
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File.Index := Stream_Io.Index (File.File);
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File.Index := Stream_Io.Index (File.File);
|
if Mode = Append_File then
|
if Mode = Append_File then
|
TC_Assert (File.Index = Stream_Io.Size (File.File) + 1,
|
TC_Assert (File.Index = Stream_Io.Size (File.File) + 1,
|
"Index /= Size + 1 -- Set_Mode - Append_File");
|
"Index /= Size + 1 -- Set_Mode - Append_File");
|
else
|
else
|
TC_Assert (File.Index = Old_Index, "Set_Mode changed the index");
|
TC_Assert (File.Index = Old_Index, "Set_Mode changed the index");
|
end if;
|
end if;
|
end Set_Mode;
|
end Set_Mode;
|
|
|
end Checked_Stream_Io;
|
end Checked_Stream_Io;
|
|
|
package Csio renames Checked_Stream_Io;
|
package Csio renames Checked_Stream_Io;
|
|
|
F : Csio.File_Type (100);
|
F : Csio.File_Type (100);
|
S : Stream_Element_Array (1 .. 10);
|
S : Stream_Element_Array (1 .. 10);
|
Last : Stream_Element_Offset;
|
Last : Stream_Element_Offset;
|
|
|
begin
|
begin
|
|
|
Test ("CXAC005", "Check that stream file positioning work as specified");
|
Test ("CXAC005", "Check that stream file positioning work as specified");
|
|
|
declare
|
declare
|
Name : constant String := Legal_File_Name;
|
Name : constant String := Legal_File_Name;
|
begin
|
begin
|
begin
|
begin
|
Csio.Create (F, Name => Name);
|
Csio.Create (F, Name => Name);
|
exception
|
exception
|
when others =>
|
when others =>
|
Not_Applicable ("Files not supported - Creation with Out_File for Stream_IO");
|
Not_Applicable ("Files not supported - Creation with Out_File for Stream_IO");
|
raise Incomplete;
|
raise Incomplete;
|
end;
|
end;
|
|
|
for I in Stream_Element range 1 .. 10 loop
|
for I in Stream_Element range 1 .. 10 loop
|
Csio.Write (F, ((1 => I + 2)));
|
Csio.Write (F, ((1 => I + 2)));
|
end loop;
|
end loop;
|
Csio.Write (F, (1 .. 15 => 11));
|
Csio.Write (F, (1 .. 15 => 11));
|
Csio.Write (F, (1 .. 15 => 12), To => 15);
|
Csio.Write (F, (1 .. 15 => 12), To => 15);
|
|
|
Csio.Reset (F);
|
Csio.Reset (F);
|
|
|
for I in Stream_Element range 1 .. 10 loop
|
for I in Stream_Element range 1 .. 10 loop
|
Csio.Write (F, (1 => I));
|
Csio.Write (F, (1 => I));
|
end loop;
|
end loop;
|
Csio.Write (F, (1 .. 15 => 13));
|
Csio.Write (F, (1 .. 15 => 13));
|
Csio.Write (F, (1 .. 15 => 14), To => 15);
|
Csio.Write (F, (1 .. 15 => 14), To => 15);
|
Csio.Write (F, (1 => 90));
|
Csio.Write (F, (1 => 90));
|
|
|
Csio.Set_Mode (F, Stream_Io.In_File);
|
Csio.Set_Mode (F, Stream_Io.In_File);
|
|
|
Csio.Read (F, S, Last);
|
Csio.Read (F, S, Last);
|
Csio.Read (F, S, Last, From => 3);
|
Csio.Read (F, S, Last, From => 3);
|
Csio.Read (F, S, Last, From => 28);
|
Csio.Read (F, S, Last, From => 28);
|
|
|
Csio.Set_Mode (F, Stream_Io.Append_File);
|
Csio.Set_Mode (F, Stream_Io.Append_File);
|
Csio.Write (F, (1 .. 5 => 88));
|
Csio.Write (F, (1 .. 5 => 88));
|
|
|
Csio.Close (F);
|
Csio.Close (F);
|
|
|
Csio.Open (F, Name => Name, Mode => Stream_Io.Append_File);
|
Csio.Open (F, Name => Name, Mode => Stream_Io.Append_File);
|
Csio.Write (F, (1 .. 3 => 33));
|
Csio.Write (F, (1 .. 3 => 33));
|
|
|
Csio.Set_Mode (F, Stream_Io.In_File);
|
Csio.Set_Mode (F, Stream_Io.In_File);
|
Csio.Read (F, S, Last, From => 20);
|
Csio.Read (F, S, Last, From => 20);
|
Csio.Read (F, S, Last);
|
Csio.Read (F, S, Last);
|
Csio.Reset (F, Stream_Io.Out_File);
|
Csio.Reset (F, Stream_Io.Out_File);
|
|
|
Csio.Write (F, (1 .. 9 => 99));
|
Csio.Write (F, (1 .. 9 => 99));
|
|
|
-- Check the contents of the entire file.
|
-- Check the contents of the entire file.
|
declare
|
declare
|
S : Stream_Element_Array
|
S : Stream_Element_Array
|
(1 .. Stream_Element_Offset
|
(1 .. Stream_Element_Offset
|
(Stream_Io.Size (Csio.Stream_Io_File (F))));
|
(Stream_Io.Size (Csio.Stream_Io_File (F))));
|
begin
|
begin
|
Csio.Reset (F, Stream_Io.In_File);
|
Csio.Reset (F, Stream_Io.In_File);
|
Csio.Read (F, S, Last);
|
Csio.Read (F, S, Last);
|
end;
|
end;
|
|
|
Csio.Delete (F);
|
Csio.Delete (F);
|
end;
|
end;
|
|
|
Result;
|
Result;
|
exception
|
exception
|
when Incomplete =>
|
when Incomplete =>
|
Report.Result;
|
Report.Result;
|
when E:others =>
|
when E:others =>
|
Report.Failed ("Unexpected exception raised - " & Exception_Name (E) &
|
Report.Failed ("Unexpected exception raised - " & Exception_Name (E) &
|
" - " & Exception_Message (E));
|
" - " & Exception_Message (E));
|
Report.Result;
|
Report.Result;
|
|
|
end CXAC005;
|
end CXAC005;
|
|
|
|
|
