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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/cxaa003.a
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+-- CXAA003.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 procedures New_Page, Set_Line, Set_Col, and New_Line
+-- subprograms perform properly on a text file reset (from Out_File)
+-- with mode Append_File.
+-- Check that the attributes Page, Line, and Column are all set to 1
+-- following the reset of a text file with mode Append_File.
+-- Check that the functions Page, Line, and Col perform properly on a
+-- text file reset with mode Append_File.
+-- Check that the procedures Put and Put_Line perform properly on text
+-- files reset with mode Append_File.
+-- Check that the procedure Set_Line sets the current line number to
+-- the value specified by the parameter "To" for text files reset with
+-- mode Append_File. Check that Set_Line has no effect if the specified
+-- line equals the current line.
+-- Check that the procedure Set_Col sets the current column number to
+-- the value specified by the parameter "To" for text files reset with
+-- mode Append_File.
+--
+-- TEST DESCRIPTION:
+-- This test is designed to simulate the text processing that could
+-- occur with files that have been created in Out_File mode,
+-- and then reset to Append_File mode.
+-- Various calls to Text_IO formatting subprograms are called to properly
+-- position text appended to a document. The text content and position
+-- are subsequently verified for accuracy.
+--
+-- APPLICABILITY CRITERIA:
+-- This test is applicable only to implementations that support text
+-- files.
+--
+--
+-- CHANGE HISTORY:
+-- 06 Dec 94 SAIC ACVC 2.0
+-- 24 Feb 97 PWB.CTA Allowed for non-support of some IO operations.
+--!
+
+with Ada.Text_IO;
+with Report;
+
+procedure CXAA003 is
+ use Ada;
+ Data_File : Text_IO.File_Type;
+ Data_Filename : constant String :=
+ Report.Legal_File_Name ( Nam => "CXAA003" );
+ Incomplete : exception;
+
+begin
+
+ Report.Test ("CXAA003", "Check that page, line, and column formatting " &
+ "subprograms perform properly on text files " &
+ "reset 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 => Data_File,
+ Mode => Text_IO.Out_File,
+ Name => Data_Filename);
+ exception
+ when Text_IO.Use_Error | Text_IO.Name_Error =>
+ Report.Not_Applicable
+ ( "Text files not supported - Create as Out_File" );
+ raise Incomplete;
+ end Test_for_Text_IO_Support;
+
+ Operational_Test_Block:
+ declare
+
+ Default_Position : constant Text_IO.Positive_Count := 1;
+
+ Section_Header : constant String := "IX. ";
+ Glossary_Title : constant String := "GLOSSARY";
+ Glossary_Content : constant String := "TBD";
+
+ -- The following procedure simulates the addition of a Glossary page
+ -- to an existing text file that has been reset with mode
+ -- Append_File.
+
+ procedure Position_Glossary_Text
+ (The_File : in out Text_IO.File_Type) is
+ use Text_IO; -- To provide visibility to the "/=" operator.
+ begin
+
+ -- Test control code.
+ -- Verify initial page value.
+ if (Text_IO.Page (The_File) /= Default_Position) then
+ Report.Failed ("Incorrect default page number");
+ end if;
+ -- Verify initial line number.
+ if (Text_IO.Line (The_File) /= Default_Position) then
+ Report.Failed ("Incorrect default line number");
+ end if;
+ -- Verify initial column number.
+ if (Text_IO.Col (The_File) /= Default_Position) then
+ Report.Failed ("Incorrect default column number");
+ end if;
+ -- Simulated usage code. Set new page/line positions.
+ Text_IO.New_Page (The_File);
+ Text_IO.New_Page (The_File);
+ Text_IO.New_Line (File => The_File, Spacing => 1);
+
+ -- Test control code.
+ if (Integer(Text_IO.Page(The_File)) /=
+ Report.Ident_Int(3)) or else
+ (Integer(Text_IO.Line (The_File)) /=
+ Report.Ident_Int(2)) then
+ Report.Failed ("Incorrect results from page/line positioning");
+ end if;
+
+ -- Simulated usage code. Position title of Glossary.
+ Text_IO.Put (The_File, Section_Header);
+ Text_IO.Put_Line (The_File, Glossary_Title);
+ -- Set line to the current line.
+ Text_IO.Set_Line (File => The_File, To => 3);
+
+ -- Test control code.
+ if (Integer(Text_IO.Page (The_File)) /= Report.Ident_Int(3)) or
+ (Integer(Text_IO.Line (The_File)) /= Report.Ident_Int(3)) or
+ (Integer(Text_IO.Col (The_File)) /= Report.Ident_Int(1)) then
+ Report.Failed ("Set_Line failed for current line");
+ end if;
+
+ -- Simulated usage code.
+ Text_IO.Set_Line (File => The_File, To => 4); -- Set new
+ Text_IO.Set_Col (File => The_File, To => 10); -- position.
+
+ -- Test control code.
+ if (Integer(Text_IO.Line (The_File)) /= Report.Ident_Int(4)) or
+ (Integer(Text_IO.Col (The_File)) /= Report.Ident_Int(10)) then
+ Report.Failed
+ ("Incorrect results from line/column positioning");
+ end if;
+
+ -- Simulated usage code. -- Position
+ Text_IO.Put_Line (The_File, Glossary_Content); -- content of
+ -- Glossary.
+ end Position_Glossary_Text;
+
+
+ begin
+
+ -- In the scenario, data is added to the file here.
+ Text_IO.Put_Line (File => Data_File, Item => "Some optional data");
+
+ -- This code section simulates a scenario that could occur in a
+ -- text processing environment. Text is to be appended to an
+ -- existing document:
+ -- The file is reset to append mode.
+ -- A procedure is called to perform the positioning and placement
+ -- of text.
+ -- The position on the appended page is set, verified, and text is
+ -- placed in the file.
+ --
+ -- Note: The text file has been originally created in Out_File
+ -- mode, and has subsequently been reset to Append_File mode.
+
+ Reset1:
+ begin
+ -- Reset has effect of calling New_Page.
+ Text_IO.Reset (Data_File, Text_IO.Append_File);
+ exception
+ when Text_IO.Use_Error =>
+ Report.Not_Applicable
+ ( "Reset to Append_File not supported for Text_IO" );
+ raise Incomplete;
+ end Reset1;
+
+ Position_Glossary_Text (The_File => Data_File);
+
+ Test_Verification_Block:
+ declare
+ TC_Page, TC_Line, TC_Column : Text_IO.Positive_Count;
+ TC_Position : Natural := 0;
+ Blanks : constant String :=
+ " ";
+ TC_String : String (1 .. 15) := Blanks;
+ begin
+ Reset2:
+ begin
+ Text_IO.Reset (Data_File, Text_IO.In_File);
+ exception
+ when Text_IO.Use_Error =>
+ Report.Not_Applicable
+ ( "Reset to In_File not supported for Text_IO" );
+ raise Incomplete;
+ end Reset2;
+
+ Text_IO.Skip_Page (Data_File);
+ Text_IO.Skip_Page (Data_File);
+
+ -- If the Reset to Append_File mode actually put a page terminator
+ -- on the file, as allowed (but not required) by RM A.10.2(4), then
+ -- we are now on page 3, an empty page. We'll need to skip one more.
+
+ if Text_IO.End_Of_Page (Data_File) then
+ Text_IO.Skip_Page (Data_File);
+ end if;
+
+ -- Now we're on the Glossary page.
+
+ -- Loop to the second line
+ for I in 1 .. 2 loop -- and read the contents.
+ Text_IO.Get_Line (Data_File, TC_String, TC_Position);
+ end loop;
+ if (TC_Position /= 13) or else -- Verify the title line.
+ (TC_String (1..2) /= "IX") or else
+ (TC_String (3..13) /= (". " & Glossary_Title)) then
+ Report.Failed ("Incorrect positioning of title line");
+ end if;
+
+ TC_String := Blanks; -- Clear string.
+ -- Loop to the fourth line
+ for I in 3 .. 4 loop -- and read the contents.
+ Text_IO.Get_Line (Data_File, TC_String, TC_Position);
+ end loop;
+
+ if (TC_Position /= 12) or -- Verify the contents.
+ (TC_String (8..12) /= " " & Glossary_Content) then
+ Report.Failed ("Incorrect positioning of contents line");
+ 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 raised during Text_IO processing");
+
+ end Operational_Test_Block;
+
+ Final_Block:
+ begin
+ -- Delete the external file.
+ if Text_IO.Is_Open (Data_File) then
+ Text_IO.Delete (Data_File);
+ else
+ Text_IO.Open (Data_File, Text_IO.In_File, Data_Filename);
+ Text_IO.Delete (Data_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 CXAA003;