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|
-- Abstract :
--
-- Test OpenToken.Recognizer.Based_Integer
--
-- Copyright (C) 2006 Stephen Leake. All Rights Reserved.
--
-- This program is free software; you can redistribute it and/or
-- modify it under terms of the GNU General Public License as
-- published by the Free Software Foundation; either version 3, or (at
-- your option) any later version. This program is distributed in the
-- hope that it will be useful, but WITHOUT ANY WARRANTY; without even
-- the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
-- PURPOSE. See the GNU General Public License for more details. You
-- should have received a copy of the GNU General Public License
-- distributed with this program; see file COPYING. If not, write to
-- the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
-- MA 02111-1307, USA.
--
with Ada.Command_Line;
with Ada.Exceptions;
with Ada.Text_IO; use Ada.Text_IO;
with OpenToken.Recognizer.Based_Integer; use OpenToken.Recognizer.Based_Integer;
procedure Recognizer_Based_Integer_Test
is
Recognizer : Instance := Get;
procedure Test
(Item : in String;
Expect_Match : in Boolean;
Comment : in String)
is
-- Analyze all of Item, compare final Verdict to Expect_Match.
use OpenToken.Recognizer;
Verdict : Analysis_Verdict;
Last : Integer := Item'First;
begin
Clear (Recognizer);
loop
Analyze (Recognizer, Item (Last), Verdict);
exit when Last = Item'Last or Verdict = Failed;
Last := Last + 1;
end loop;
if Expect_Match then
if Verdict = Failed then
Ada.Command_Line.Set_Exit_Status (Ada.Command_Line.Failure);
Put_Line (Comment & "...failed");
else
Put_Line (Comment & "...passed");
end if;
else
-- not Expect_Match
if Verdict = Failed then
Put_Line (Comment & "...passed");
else
Ada.Command_Line.Set_Exit_Status (Ada.Command_Line.Failure);
Put_Line (Comment & "...failed");
end if;
end if;
exception
when E : others =>
Put_Line
(Comment & "...failed due to exception. " &
Ada.Exceptions.Exception_Name (E) &
": " & Ada.Exceptions.Exception_Message (E));
end Test;
procedure Test_Syntax
(Item : in String;
Comment : in String;
Expected : in String)
is
-- Assume Item contains one more character after valid
-- based_integer; compare matched string to Expected.
use OpenToken.Recognizer;
Verdict : Analysis_Verdict;
Last : Integer := Item'First;
begin
Clear (Recognizer);
loop
Analyze (Recognizer, Item (Last), Verdict);
exit when Last = Item'Last or Verdict = Failed;
Last := Last + 1;
end loop;
if Verdict = Matches then
Ada.Command_Line.Set_Exit_Status (Ada.Command_Line.Failure);
Put_Line (Comment & " ... failed (matched extra stuff)");
else
if Expected = Item (Item'First .. Last - 1) then
Put_Line (Comment & "...passed");
else
Put_Line (Comment & "...failed; got '" & Item (Item'First .. Last - 1) & "'");
end if;
end if;
exception
when E : others =>
Put_Line
(Comment & "...failed due to exception. " &
Ada.Exceptions.Exception_Name (E) &
": " & Ada.Exceptions.Exception_Message (E));
end Test_Syntax;
begin
Test
(Item => "1234",
Expect_Match => True,
Comment => "simple integer");
Test_Syntax
(Item => "1234;",
Expected => "1234",
Comment => "trailing syntax");
Test
(Item => "-1234",
Expect_Match => True,
Comment => "negative integer");
Test_Syntax
(Item => "10#1234#;",
Expected => "10#1234#",
Comment => "base 10");
Test
(Item => "1234#;",
Expect_Match => False,
Comment => "trailing #");
Test
(Item => "10#-1234#",
Expect_Match => False,
Comment => "bad negative");
Test_Syntax
(Item => "-10#1234#)",
Expected => "-10#1234#",
Comment => "base 10, negative");
Test
(Item => "16#12AF#",
Expect_Match => True,
Comment => "base 16");
Test
(Item => "16_#12AF#",
Expect_Match => False,
Comment => "bad base 16");
Test
(Item => "2#1200#",
Expect_Match => False,
Comment => "base 2, fail");
Test
(Item => "2#100#",
Expect_Match => True,
Comment => "base 2, pass");
Test
(Item => " -- A comment :",
Expect_Match => False,
Comment => "Ada comment");
end Recognizer_Based_Integer_Test;
|
