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diff --git a/gcc/testsuite/ada/acats/tests/cxa/cxa8003.a b/gcc/testsuite/ada/acats/tests/cxa/cxa8003.a
new file mode 100644
index 000000000..cf9b5e075
--- /dev/null
+++ b/gcc/testsuite/ada/acats/tests/cxa/cxa8003.a
@@ -0,0 +1,214 @@
+-- CXA8003.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 Append_File mode has not been added to package Direct_IO.
+--
+-- TEST DESCRIPTION:
+--      This test uses a procedure to change the mode of an existing Direct_IO
+--      file.  The file descriptor is passed as a parameter, along with a
+--      numeric indicator for the new mode.  Based on the numeric parameter,
+--      a Direct_IO.Reset is performed using a File_Mode'Value transformation
+--      of a string constant into a File_Mode value.  An attempt to reset a 
+--      Direct_IO file to mode Append_File should cause an Constraint_Error
+--      to be raised, as Append_File mode has not been added to Direct_IO in
+--      Ada 9X.
+--
+-- APPLICABILITY CRITERIA: 
+--      This test is applicable to all implementations supporting Direct_IO
+--      files.
+--
+--       
+-- CHANGE HISTORY:
+--      06 Dec 94   SAIC    ACVC 2.0
+--      19 Feb 97   PWB.CTA Allowed for non-support of Reset for certain 
+--                  modes.
+--!
+
+with Direct_IO;
+with Report;
+
+procedure CXA8003 is
+   Incomplete : exception;
+      begin
+
+         Report.Test ("CXA8003", "Check that Append_File mode has not " &
+                                 "been added to package Direct_IO");
+
+         Test_for_Direct_IO_Support:
+         declare
+
+            subtype String_Data_Type    is String (1 .. 20);
+            type    Numeric_Data_Type   is range 1 .. 512;
+            type    Composite_Data_Type is array (1 .. 3) of String_Data_Type;
+
+            type File_Data_Type is record
+               Data_Field_1 : String_Data_Type;
+               Data_Field_2 : Numeric_Data_Type;
+               Data_Field_3 : Composite_Data_Type;
+            end record;
+
+            package Dir_IO is new Direct_IO (File_Data_Type);
+
+            Data_File    : Dir_IO.File_Type;
+            Dir_Filename : constant String := Report.Legal_File_Name;
+
+         begin
+
+            -- An application creates a text file with mode Out_File.  
+            -- Use_Error will be raised if Direct_IO operations or external 
+            -- files are not supported.
+
+            Dir_IO.Create (Data_File, 
+                           Dir_IO.Out_File, 
+                           Dir_Filename);
+
+            Change_File_Mode:
+            declare
+
+               TC_Append_Test_Executed : Boolean := False;
+
+               type Mode_Selection_Type is ( A, I, IO, O );
+
+      
+               procedure Change_Mode (File : in out Dir_IO.File_Type;
+                                      To   : in     Mode_Selection_Type) is
+               begin
+                  case To is
+                     when A  => 
+                        TC_Append_Test_Executed := True;
+                        Dir_IO.Reset 
+                          (File, Dir_IO.File_Mode'Value("Append_File"));
+                     when I  => 
+                        begin
+                          Dir_IO.Reset 
+                            (File, Dir_IO.File_Mode'Value("In_File"));
+                        exception
+                          when Dir_IO.Use_Error =>
+                            Report.Not_Applicable
+                              ("Reset to In_File not supported: Direct_IO");
+                            raise Incomplete;
+                        end;
+                     when IO => 
+                        begin
+                          Dir_IO.Reset 
+                            (File, Dir_IO.File_Mode'Value("Inout_File"));
+                        exception
+                          when Dir_IO.Use_Error =>
+                            Report.Not_Applicable
+                              ("Reset to InOut_File not supported: Direct_IO");
+                            raise Incomplete;
+                        end;
+                     when O  => 
+                       begin
+                         Dir_IO.Reset 
+                           (File, Dir_IO.File_Mode'Value("Out_File"));
+                        exception
+                          when Dir_IO.Use_Error =>
+                            Report.Not_Applicable
+                              ("Reset to Out_File not supported: Direct_IO");
+                            raise Incomplete;
+                        end;
+                  end case;
+               end Change_Mode;
+
+
+            begin
+
+              -- At some point in the processing, the application may call a 
+              -- procedure to change the mode of the file (perhaps for 
+              -- additional data entry, data verification, etc.).  It is at 
+              -- this point that a use of Append_File mode for a Direct_IO 
+              -- file would cause an exception.
+
+               for I in reverse Mode_Selection_Type loop
+                  Change_Mode (Data_File, I);
+                  Report.Comment 
+                    ("Mode changed to " & 
+                     Dir_IO.File_Mode'Image (Dir_IO.Mode (Data_File)));
+               end loop;
+
+               Report.Failed("No error raised on change to Append_File mode");
+
+            exception
+
+               -- A handler has been provided in the application, which 
+               -- handles the constraint error, allowing processing to 
+               -- continue.
+
+               when Constraint_Error => 
+
+                  if TC_Append_Test_Executed then 
+                     Report.Comment ("Constraint_Error correctly raised on " &
+                                     "attempted Append_File mode selection " &
+                                     "for a Direct_IO file");
+                  else
+                     Report.Failed ("Append test was not executed");
+                  end if;
+
+               when Incomplete => raise;
+
+               when others  => Report.Failed ("Unexpected exception raised");
+
+            end Change_File_Mode;
+
+            Final_Block:
+            begin
+              if Dir_IO.Is_Open (Data_File) then
+                 Dir_IO.Delete (Data_File);
+              else
+                 Dir_IO.Open (Data_File, Dir_IO.In_File, Dir_Filename);
+                 Dir_IO.Delete (Data_File);
+              end if;
+            exception
+              when others =>
+                Report.Failed ("Delete not properly supported: Direct_IO");
+            end Final_Block;
+
+         exception
+
+            -- Since Use_Error or Name_Error can be raised if, for the 
+            -- specified mode, the environment does not support Direct_IO 
+            -- operations, the following handlers are included:
+
+            when Dir_IO.Name_Error =>
+               Report.Not_Applicable("Name_Error raised on Direct IO Create");
+
+            when Dir_IO.Use_Error  =>
+               Report.Not_Applicable("Use_Error raised on Direct IO Create");
+
+            when others            =>
+               Report.Failed 
+                 ("Unexpected exception raised on Direct IO Create");
+
+         end Test_for_Direct_IO_Support;
+
+         Report.Result;
+
+exception
+  when Incomplete =>
+    Report.Result;
+
+end CXA8003;