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Added tests for checksums.

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This commit is contained in:
Natalia Portillo
2017-06-29 22:09:41 +01:00
parent 334cc66a53
commit 29738d6dec
18 changed files with 449 additions and 218 deletions
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76
DiscImageChef.Tests/Checksums/CRC16.cs
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@@ -36,12 +36,84 @@
// ****************************************************************************/
// //$Id$
using System;
namespace Checksums
using NUnit.Framework;
using DiscImageChef.Checksums;
using System.IO;
namespace DiscImageChef.Tests.Checksums
{
[TestFixture]
public class CRC16
{
public CRC16()
static readonly byte[] ExpectedEmpty = { 0x00, 0x00 };
static readonly byte[] ExpectedRandom = { 0x2d, 0x6d };
[Test]
public void CRC16EmptyFile()
{
byte[] result = CRC16Context.File(Path.Combine(Consts.TestFilesRoot, "checksums", "empty"));
Assert.AreEqual(ExpectedEmpty, result);
}
[Test]
public void CRC16EmptyData()
{
byte[] data = new byte[1048576];
FileStream fs = new FileStream(Path.Combine(Consts.TestFilesRoot, "checksums", "empty"), FileMode.Open, FileAccess.Read);
fs.Read(data, 0, 1048576);
fs.Close();
fs.Dispose();
CRC16Context.Data(data, out byte[] result);
Assert.AreEqual(ExpectedEmpty, result);
}
[Test]
public void CRC16EmptyInstance()
{
byte[] data = new byte[1048576];
FileStream fs = new FileStream(Path.Combine(Consts.TestFilesRoot, "checksums", "empty"), FileMode.Open, FileAccess.Read);
fs.Read(data, 0, 1048576);
fs.Close();
fs.Dispose();
CRC16Context ctx = new CRC16Context();
ctx.Init();
ctx.Update(data);
byte[] result = ctx.Final();
Assert.AreEqual(ExpectedEmpty, result);
}
[Test]
public void CRC16RandomFile()
{
byte[] result = CRC16Context.File(Path.Combine(Consts.TestFilesRoot, "checksums", "random"));
Assert.AreEqual(ExpectedRandom, result);
}
[Test]
public void CRC16RandomData()
{
byte[] data = new byte[1048576];
FileStream fs = new FileStream(Path.Combine(Consts.TestFilesRoot, "checksums", "random"), FileMode.Open, FileAccess.Read);
fs.Read(data, 0, 1048576);
fs.Close();
fs.Dispose();
CRC16Context.Data(data, out byte[] result);
Assert.AreEqual(ExpectedRandom, result);
}
[Test]
public void CRC16RandomInstance()
{
byte[] data = new byte[1048576];
FileStream fs = new FileStream(Path.Combine(Consts.TestFilesRoot, "checksums", "random"), FileMode.Open, FileAccess.Read);
fs.Read(data, 0, 1048576);
fs.Close();
fs.Dispose();
CRC16Context ctx = new CRC16Context();
ctx.Init();
ctx.Update(data);
byte[] result = ctx.Final();
Assert.AreEqual(ExpectedRandom, result);
}
}
}