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Split tests for CRC16 in IBM and CCITT.

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This commit is contained in:
Natalia Portillo
2020-11-10 21:57:08 +00:00
parent 88daa75714
commit 274531314e
2 changed files with 140 additions and 13 deletions
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25
Aaru.Tests/Checksums/CRC16.cs → Aaru.Tests/Checksums/CRC16CCITT.cs
View File

@@ -2,7 +2,7 @@
// Aaru Data Preservation Suite
// ----------------------------------------------------------------------------
//
// Filename : CRC16.cs
// Filename : CRC16CCITT.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Aaru unit testing.
@@ -28,25 +28,24 @@
using System.IO;
using Aaru.Checksums;
using Aaru.CommonTypes.Interfaces;
using NUnit.Framework;
namespace Aaru.Tests.Checksums
{
[TestFixture]
public class Crc16
public class Crc16Ccitt
{
static readonly byte[] _expectedEmpty =
{
0x00, 0x00
0xFF, 0xFF
};
static readonly byte[] _expectedRandom =
{
0x2d, 0x6d
0x36, 0x40
};
[Test]
public void Crc16EmptyData()
public void Crc16CcittEmptyData()
{
byte[] data = new byte[1048576];
@@ -61,7 +60,7 @@ namespace Aaru.Tests.Checksums
}
[Test]
public void Crc16EmptyFile()
public void Crc16CcittEmptyFile()
{
byte[] result =
CRC16CCITTContext.File(Path.Combine(Consts.TEST_FILES_ROOT, "Checksum test files", "empty"));
@@ -70,7 +69,7 @@ namespace Aaru.Tests.Checksums
}
[Test]
public void Crc16EmptyInstance()
public void Crc16CcittEmptyInstance()
{
byte[] data = new byte[1048576];
@@ -80,14 +79,14 @@ namespace Aaru.Tests.Checksums
fs.Read(data, 0, 1048576);
fs.Close();
fs.Dispose();
IChecksum ctx = new CRC16CCITTContext();
var ctx = new CRC16CCITTContext();
ctx.Update(data);
byte[] result = ctx.Final();
Assert.AreEqual(_expectedEmpty, result);
}
[Test]
public void Crc16RandomData()
public void Crc16CcittRandomData()
{
byte[] data = new byte[1048576];
@@ -102,7 +101,7 @@ namespace Aaru.Tests.Checksums
}
[Test]
public void Crc16RandomFile()
public void Crc16CcittRandomFile()
{
byte[] result =
CRC16CCITTContext.File(Path.Combine(Consts.TEST_FILES_ROOT, "Checksum test files", "random"));
@@ -111,7 +110,7 @@ namespace Aaru.Tests.Checksums
}
[Test]
public void Crc16RandomInstance()
public void Crc16CcittRandomInstance()
{
byte[] data = new byte[1048576];
@@ -121,7 +120,7 @@ namespace Aaru.Tests.Checksums
fs.Read(data, 0, 1048576);
fs.Close();
fs.Dispose();
IChecksum ctx = new CRC16CCITTContext();
var ctx = new CRC16CCITTContext();
ctx.Update(data);
byte[] result = ctx.Final();
Assert.AreEqual(_expectedRandom, result);

128
Aaru.Tests/Checksums/CRC16IBM.cs Normal file
View File

@@ -0,0 +1,128 @@
// /***************************************************************************
// Aaru Data Preservation Suite
// ----------------------------------------------------------------------------
//
// Filename : CRC16IBM.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Aaru unit testing.
//
// --[ License ] --------------------------------------------------------------
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, 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
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
// Copyright © 2011-2020 Natalia Portillo
// ****************************************************************************/
using System.IO;
using Aaru.Checksums;
using Aaru.CommonTypes.Interfaces;
using NUnit.Framework;
namespace Aaru.Tests.Checksums
{
[TestFixture]
public class Crc16Ibm
{
static readonly byte[] _expectedEmpty =
{
0x00, 0x00
};
static readonly byte[] _expectedRandom =
{
0x2d, 0x6d
};
[Test]
public void Crc16IbmEmptyData()
{
byte[] data = new byte[1048576];
var fs = new FileStream(Path.Combine(Consts.TEST_FILES_ROOT, "Checksum test files", "empty"), FileMode.Open,
FileAccess.Read);
fs.Read(data, 0, 1048576);
fs.Close();
fs.Dispose();
CRC16IBMContext.Data(data, out byte[] result);
Assert.AreEqual(_expectedEmpty, result);
}
[Test]
public void Crc16IbmEmptyFile()
{
byte[] result = CRC16IBMContext.File(Path.Combine(Consts.TEST_FILES_ROOT, "Checksum test files", "empty"));
Assert.AreEqual(_expectedEmpty, result);
}
[Test]
public void Crc16IbmEmptyInstance()
{
byte[] data = new byte[1048576];
var fs = new FileStream(Path.Combine(Consts.TEST_FILES_ROOT, "Checksum test files", "empty"), FileMode.Open,
FileAccess.Read);
fs.Read(data, 0, 1048576);
fs.Close();
fs.Dispose();
IChecksum ctx = new CRC16IBMContext();
ctx.Update(data);
byte[] result = ctx.Final();
Assert.AreEqual(_expectedEmpty, result);
}
[Test]
public void Crc16IbmRandomData()
{
byte[] data = new byte[1048576];
var fs = new FileStream(Path.Combine(Consts.TEST_FILES_ROOT, "Checksum test files", "random"),
FileMode.Open, FileAccess.Read);
fs.Read(data, 0, 1048576);
fs.Close();
fs.Dispose();
CRC16IBMContext.Data(data, out byte[] result);
Assert.AreEqual(_expectedRandom, result);
}
[Test]
public void Crc16IbmRandomFile()
{
byte[] result = CRC16IBMContext.File(Path.Combine(Consts.TEST_FILES_ROOT, "Checksum test files", "random"));
Assert.AreEqual(_expectedRandom, result);
}
[Test]
public void Crc16IbmRandomInstance()
{
byte[] data = new byte[1048576];
var fs = new FileStream(Path.Combine(Consts.TEST_FILES_ROOT, "Checksum test files", "random"),
FileMode.Open, FileAccess.Read);
fs.Read(data, 0, 1048576);
fs.Close();
fs.Dispose();
IChecksum ctx = new CRC16IBMContext();
ctx.Update(data);
byte[] result = ctx.Final();
Assert.AreEqual(_expectedRandom, result);
}
}
}