gcc/testsuite/gnat.dg/test_enum_io.adb

   1 --  { dg-do run }
   2
   3 with Ada.Text_IO;
   4 use  Ada.Text_IO;
   5
   6 procedure Test_Enum_IO is
   7
   8   type Enum is (Literal);
   9   package Enum_IO is new Enumeration_IO (Enum);
  10   use Enum_IO;
  11
  12   File : File_Type;
  13   Value: Enum;
  14   Rest : String (1 ..30);
  15   Last : Natural;
  16
  17 begin
  18
  19   Create (File, Mode => Out_File);
  20   Put_Line (File, "Literax0000000l note the 'l' at the end");
  21
  22   Reset (File, Mode => In_File);
  23   Get (File, Value);
  24   Get_Line (File, Rest, Last);
  25
  26   Close (File);
  27
  28   Put_Line (Enum'Image (Value) & Rest (1 .. Last));
  29   raise Program_Error;
  30
  31 exception
  32   when Data_Error => null;
  33 end Test_Enum_IO;