public void StringHashTest()
{
var data1 = @"D:\Sysinternals\ProcDump.exe";
var data2 = @"D:\Sysinternals\ProcExp.exe";
var procDumpChecksum = new Hash(data1);
var procExpChecksum = new Hash(data2);
var procDumpChecksum2 = new Hash(data1);
var procExpChecksum2 = new Hash(data2);
Assert.IsNotNull(procDumpChecksum);
Assert.IsNotNull(procExpChecksum);
Assert.AreNotEqual(procDumpChecksum, procExpChecksum);
Assert.AreEqual(procDumpChecksum, procDumpChecksum2);
Assert.AreEqual(procExpChecksum, procExpChecksum2);
}
public void FileHashTest()
{
using (FileStream data1 = new FileStream(@"D:\Sysinternals\ProcDump.exe", FileMode.Open, FileAccess.Read), data2 = new FileStream(@"D:\Sysinternals\ProcExp.exe", FileMode.Open, FileAccess.Read))
{
var procDumpChecksum = new Hash(data1);
var procExpChecksum = new Hash(data2);
data1.Position = 0;
data2.Position = 0;
var procDumpChecksum2 = new Hash(data1);
var procExpChecksum2 = new Hash(data2);
Assert.IsNotNull(procDumpChecksum);
Assert.IsNotNull(procExpChecksum);
Assert.AreNotEqual(procDumpChecksum, procExpChecksum);
Assert.AreEqual(procDumpChecksum, procDumpChecksum2);
Assert.AreEqual(procExpChecksum, procExpChecksum2);
}
}
public void HashInstanceTest()
{
// var emptyHash = new Hash(); // should fail -- no hash without input data allowed
var stringHash = new Hash("test"); // should hold md5 of "test" string
byte[] testHashValue = stringHash.Value; // should return byte[] value
Assert.AreEqual(testHashValue.Length, 16);
string testHashString = stringHash.ToString(); // should return string representing value
Assert.AreEqual(testHashString, "c8059e2ec7419f590e79d7f1b774bfe6");
stringHash = new byte[] { 0xde, 0xad, 0xbe, 0xb0 }; // stringHash now holds this byte[]
Assert.AreEqual(stringHash.ToString(), "deadbeb0");
stringHash = "deadbeef"; // stringHash now holds this value
Assert.AreEqual(stringHash.ToString(), "deadbeef");
testHashValue = stringHash.Value; // should return { 0xde, 0xad, 0xbe, 0xef }
Assert.AreEqual(testHashValue.Length, 4);
}
protected override Hash GenerateID()
{
Hash id = null;
if (string.IsNullOrEmpty(CommandLine) || !File.Exists(Path.GetFullPath(CommandLine)))
{
id = base.GenerateID();
}
else
{
using (var stream = File.OpenRead(Path.GetFullPath(CommandLine)))
{
id = new Hash(stream);
}
}
return id;
}
