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156 | -----------------------------------------------------------------------
-- util-streams-tests -- Unit tests for encoding buffered streams
-- Copyright (C) 2017, 2018, 2019 Stephane Carrez
-- Written by Stephane Carrez (Stephane.Carrez@gmail.com)
--
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
--
-- http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
-----------------------------------------------------------------------
with Util.Test_Caller;
with Util.Streams.Files;
with Util.Streams.Texts;
with Util.Streams.Base64;
with Util.Streams.AES;
with Ada.IO_Exceptions;
with Ada.Streams.Stream_IO;
package body Util.Streams.Tests is
use Util.Streams.Files;
use Ada.Streams.Stream_IO;
package Caller is new Util.Test_Caller (Test, "Streams");
generic
Mode : in Util.Encoders.AES.AES_Mode;
Label : in String;
procedure Test_AES_Mode (T : in out Test);
procedure Test_AES (T : in out Test;
Item : in String;
Count : in Positive;
Mode : in Util.Encoders.AES.AES_Mode;
Label : in String) is
Reader : aliased Util.Streams.Texts.Reader_Stream;
Decipher : aliased Util.Streams.AES.Decoding_Stream;
Cipher : aliased Util.Streams.AES.Encoding_Stream;
Print : Util.Streams.Texts.Print_Stream;
Key : Util.Encoders.Secret_Key
:= Util.Encoders.Create ("0123456789abcdef0123456789abcdef");
begin
-- Print -> Cipher -> Decipher
Decipher.Initialize (64 * 1024);
Decipher.Set_Key (Key, Mode);
Cipher.Initialize (Decipher'Access, 1024);
Cipher.Set_Key (Key, Mode);
Print.Initialize (Cipher'Access);
for I in 1 .. Count loop
Print.Write (Item);
end loop;
Print.Flush;
Util.Tests.Assert_Equals (T,
Item'Length * Count,
Decipher.Get_Size,
Label & ": decipher buffer has the wrong size mode");
-- Read content in Decipher
Reader.Initialize (Decipher);
for I in 1 .. Count loop
declare
L : String (Item'Range) := (others => ' ');
begin
for J in L'Range loop
Reader.Read (L (J));
end loop;
Util.Tests.Assert_Equals (T, Item, L, Label & ": wrong value");
exception
when Ada.IO_Exceptions.Data_Error =>
Util.Tests.Assert_Equals (T, Item, L, Label & ": wrong value (DATA error)");
end;
end loop;
end Test_AES;
procedure Test_AES_Mode (T : in out Test) is
begin
for I in 1 .. 128 loop
Test_AES (T, "a", I, Mode, Label);
end loop;
for I in 1 .. 128 loop
Test_AES (T, "ab", I, Mode, Label);
end loop;
for I in 1 .. 128 loop
Test_AES (T, "abc", I, Mode, Label);
end loop;
end Test_AES_Mode;
procedure Test_AES_ECB is
new Test_AES_Mode (Mode => Util.Encoders.AES.ECB, Label => "AES-ECB");
procedure Test_AES_CBC is
new Test_AES_Mode (Mode => Util.Encoders.AES.CBC, Label => "AES-CBC");
procedure Test_AES_PCBC is
new Test_AES_Mode (Mode => Util.Encoders.AES.PCBC, Label => "AES-PCBC");
procedure Test_AES_CFB is
new Test_AES_Mode (Mode => Util.Encoders.AES.PCBC, Label => "AES-CFB");
procedure Test_AES_OFB is
new Test_AES_Mode (Mode => Util.Encoders.AES.PCBC, Label => "AES-OFB");
procedure Test_AES_CTR is
new Test_AES_Mode (Mode => Util.Encoders.AES.PCBC, Label => "AES-CTR");
procedure Test_Base64_Stream (T : in out Test) is
Stream : aliased File_Stream;
Buffer : aliased Util.Streams.Base64.Encoding_Stream;
Print : Util.Streams.Texts.Print_Stream;
Path : constant String := Util.Tests.Get_Test_Path ("regtests/result/test-stream.b64");
Expect : constant String := Util.Tests.Get_Path ("regtests/expect/test-stream.b64");
begin
Print.Initialize (Output => Buffer'Access, Size => 5);
Buffer.Initialize (Output => Stream'Access,
Size => 1024);
Stream.Create (Mode => Out_File, Name => Path);
for I in 1 .. 32 loop
Print.Write ("abcd");
Print.Write (" fghij");
Print.Write (ASCII.LF);
end loop;
Print.Flush;
Stream.Close;
Util.Tests.Assert_Equal_Files (T => T,
Expect => Expect,
Test => Path,
Message => "Base64 stream");
end Test_Base64_Stream;
procedure Add_Tests (Suite : in Util.Tests.Access_Test_Suite) is
begin
Caller.Add_Test (Suite, "Test Util.Streams.Base64.Write, Read",
Test_Base64_Stream'Access);
Caller.Add_Test (Suite, "Test Util.Streams.AES (AES-ECB)",
Test_AES_ECB'Access);
Caller.Add_Test (Suite, "Test Util.Streams.AES (AES-CBC)",
Test_AES_CBC'Access);
Caller.Add_Test (Suite, "Test Util.Streams.AES (AES-PCBC)",
Test_AES_PCBC'Access);
Caller.Add_Test (Suite, "Test Util.Streams.AES (AES-CFB)",
Test_AES_CFB'Access);
Caller.Add_Test (Suite, "Test Util.Streams.AES (AES-OFB)",
Test_AES_OFB'Access);
Caller.Add_Test (Suite, "Test Util.Streams.AES (AES-CTR)",
Test_AES_CTR'Access);
end Add_Tests;
end Util.Streams.Tests;
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