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212 | --
-- ZanyBlue, an Ada library and framework for finite element analysis.
--
-- Copyright (c) 2016, Michael Rohan <mrohan@zanyblue.com>
-- All rights reserved.
--
-- Redistribution and use in source and binary forms, with or without
-- modification, are permitted provided that the following conditions
-- are met:
--
-- * Redistributions of source code must retain the above copyright
-- notice, this list of conditions and the following disclaimer.
--
-- * Redistributions in binary form must reproduce the above copyright
-- notice, this list of conditions and the following disclaimer in the
-- documentation and/or other materials provided with the distribution.
--
-- * Neither the name of ZanyBlue nor the names of its contributors may
-- be used to endorse or promote products derived from this software
-- without specific prior written permission.
--
-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-- "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-- HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-- SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
-- TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-- LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
--
with Ada.Strings.Wide_Unbounded;
package body ZanyBlue.Test.Text.Codecs.Decoding is
--------------------
-- Check_Decoding --
--------------------
procedure Check_Decoding (T : in out Test_Case'Class;
CS : Codecs_Type;
WCh : Unicode_Character;
Ch : Character) is
pragma Warnings (Off);
Decoded : constant String := CS.Decode ("" & Ch);
ECh : Unicode_Character;
begin
WAssert (T, Decoded'Length = 1,
CS.Name & " wrong length for single char ("
& Natural'Wide_Image (Decoded'Length)
& ")");
ECh := Decoded (Decoded'First);
WAssert (T, ECh = WCh,
CS.Name & " wrong char for single char "
& " ["
& Natural'Wide_Image (Unicode_Character'Pos (ECh))
& "] /= ["
& Natural'Wide_Image (Character'Pos (Ch))
& "]");
end Check_Decoding;
--------------------
-- Check_Decoding --
--------------------
procedure Check_Decoding (T : in out Test_Case'Class;
CS : Codecs_Type;
WCh : Unicode_Character;
Ch1 : Character;
Ch2 : Character) is
pragma Warnings (Off);
Decoded : constant String := CS.Decode ("" & Ch1 & Ch2);
ECh : Unicode_Character;
begin
WAssert (T, Decoded'Length = 1,
CS.Name & " wrong length for double char ("
& Natural'Wide_Image (Decoded'Length)
& ")");
ECh := Decoded (Decoded'First);
WAssert (T, ECh = WCh,
CS.Name & " wrong char for first char "
& " ["
& Natural'Wide_Image (Unicode_Character'Pos (ECh))
& "] /= ["
& Natural'Wide_Image (Unicode_Character'Pos (WCh))
& "]");
end Check_Decoding;
--------------------
-- Check_Decoding --
--------------------
procedure Check_Decoding (T : in out Test_Case'Class;
CS : Codecs_Type;
WCP : Natural;
CP : Natural) is
begin
Check_Decoding (T, CS, Unicode_Character'Val (WCP), Character'Val (CP));
end Check_Decoding;
--------------------
-- Check_Decoding --
--------------------
procedure Check_Decoding (T : in out Test_Case'Class;
CS : Codecs_Type;
WCP : Natural;
CP1 : Natural;
CP2 : Natural) is
begin
Check_Decoding (T, CS, Unicode_Character'Val (WCP),
Character'Val (CP1), Character'Val (CP2));
end Check_Decoding;
--------------------
-- Check_Decoding --
--------------------
procedure Check_Decoding (T : in out Test_Case'Class;
CS : Codecs_Type;
WCh : Unicode_Character;
CP1 : Natural;
CP2 : Natural) is
begin
Check_Decoding (T, CS, Unicode_Character'Pos (WCh), CP1, CP2);
end Check_Decoding;
--------------------
-- Check_Decoding --
--------------------
procedure Check_Decoding (T : in out Test_Case'Class;
Codecs : Codecs_Type;
Expect : String;
Source : String) is
function Get_Char (S : String;
Index : Natural) return Unicode_Character;
function Hex4 (Ch : Unicode_Character) return String;
Hex_Digits : constant String := "0123456789ABCDEF";
--------------
-- Get_Char --
--------------
function Get_Char (S : String;
Index : Natural) return Unicode_Character is
begin
if Index <= S'Length then
return S (S'First + Index - 1);
else
return 'X';
end if;
end Get_Char;
----------
-- Hex4 --
----------
function Hex4 (Ch : Unicode_Character) return String is
Code_Point : Natural := Unicode_Character'Pos (Ch);
Result : String (1 .. 4) := (others => '0');
begin
for I in Result'Range loop
declare
Hex_Index : constant Natural := (Code_Point rem 16) + 1;
begin
Result (Result'Last - I + 1) := Hex_Digits (Hex_Index);
Code_Point := Code_Point / 16;
end;
end loop;
return Result;
end Hex4;
use Ada.Strings.Wide_Unbounded;
Decoded : constant String := Codecs.Decode (Source);
Message : Unbounded_Wide_String;
Printing : Boolean := False;
begin
for I in 1 .. Integer'Max (Decoded'Length, Expect'Length) loop
declare
E_Ch : constant Unicode_Character := Get_Char (Expect, I);
D_Ch : constant Unicode_Character := Get_Char (Decoded, I);
begin
if E_Ch /= D_Ch then
Printing := True;
end if;
if Printing then
Append (Message, " [");
Append (Message, E_Ch);
Append (Message, " ");
Append (Message, Hex4 (E_Ch));
if E_Ch /= D_Ch then
Append (Message, " /= ");
else
Append (Message, " = ");
end if;
Append (Message, D_Ch);
Append (Message, " ");
Append (Message, Hex4 (D_Ch));
Append (Message, "]");
end if;
end;
end loop;
WAssert (T, Decoded = Expect, To_Wide_String (Message));
end Check_Decoding;
end ZanyBlue.Test.Text.Codecs.Decoding;
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