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------------------------------------------------------------------------------
-- Copyright (c) 2015, Natacha Porté                                        --
-- Copyright (c) 2015-2017, Natacha Porté                                   --
--                                                                          --
-- Permission to use, copy, modify, and distribute this software for any    --
-- purpose with or without fee is hereby granted, provided that the above   --
-- copyright notice and this permission notice appear in all copies.        --
--                                                                          --
-- THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES --
-- WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF         --
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   begin
      declare
         procedure Check (Value : in String; Expected : in Boolean := True);

         Image : constant String := "Expression 1";
         Exp : constant Caches.Reference := Test_Tools.To_S_Expression
           ("(or is-empty (starts-with Hi)"
            & "(is BY) (case-insensitive (is HELLO))"
            & "(and (contains 1:.) (contains-any-of 1:! 1:?))"
            & "(case-insensitive (or (contains aLiCe)"
            & " (case-sensitive (contains Bob))))"
            & "(not is-ascii))");

         procedure Check (Value : in String; Expected : in Boolean := True) is
         begin
            Check (Test, Value, Exp, Image, Expected);
         end Check;
      begin
         Check ("");
         Check ("A", False);
         Check ("Hi, my name is John.");
         Check ("Hello, my name is John.", False);
         Check ("Hello. My name is John!");
         Check ("Hello. My name is John?");
         Check ("Alice and Bob");
         Check ("BOBBY!", False);
         Check ("AlicE and Malory");
         Check ("©");
         Check ("BY");
         Check ("By", False);
         Check ("Hello");
         Check ("Hell", False);
      end;
   exception
      when Error : others => Test.Report_Exception (Error);
   end Basic_Usage;


   procedure Fallbacks (Report : in out NT.Reporter'Class) is