public void Write()
{
string path = GetFile();
StdFileStream fs = new StdFileStream(path, FileMode.Open);
Assert.AreEqual(0, fs.Length);
Assert.AreEqual(0, fs.Position);
fs.Write(new byte[] { 100, 103, 103, 104, 105 }, 0, 5);
Assert.AreEqual(5, fs.Length);
Assert.AreEqual(5, fs.Position);
fs.Position = 2;
Assert.AreEqual(2, fs.Position);
fs.Write(new byte[] { 100, 103, 103, 104, 105 }, 1, 2);
Assert.AreEqual(5, fs.Length);
Assert.AreEqual(4, fs.Position);
fs.Write(new byte[] { 100, 103, 103, 104, 105 }, 1, 2);
Assert.AreEqual(6, fs.Length);
Assert.AreEqual(6, fs.Position);
fs.Close();
}
public void Read()
{
byte[] buffer = new byte[1024];
string path = GetFile();
StdFileStream fs = new StdFileStream(path, FileMode.Open);
fs.Write(new byte[] { 100, 102, 103, 104, 105, 106, 107, 108 }, 0, 8);
fs.Position = 0;
Assert.AreEqual(2, fs.Read(buffer, 0, 2));
Assert.AreEqual(new byte[] { 100, 102 }, buffer.Take(2));
Assert.AreEqual(5, fs.Read(buffer, 2, 5));
Assert.AreEqual(new byte[] { 100, 102, 103, 104, 105, 106, 107 }, buffer.Take(7));
Assert.AreEqual(1, fs.Read(buffer, 1, 5));
Assert.AreEqual(new byte[] { 100, 108, 103, 104, 105, 106, 107 }, buffer.Take(7));
Assert.AreEqual(0, fs.Read(buffer, 0, 5));
fs.Close();
}
public StdFileStream BuildFile(long length)
{
string path = GetFile();
StdFileStream fs = new StdFileStream(path, FileMode.Open);
try
{
byte[] buffer = new byte[4096];
long remaining = length;
while (remaining > 0)
{
fs.Write(buffer, 0, (int)Math.Min(remaining, buffer.Length));
remaining -= buffer.Length;
}
return fs;
}
catch
{
fs.Close();
throw;
}
}
public StdFileStream BuildFile(long length)
{
string path = GetFile();
StdFileStream fs = new StdFileStream(path, FileMode.Open);
try
{
byte[] buffer = new byte[4096];
long remaining = length;
while (remaining > 0)
{
fs.Write(buffer, 0, (int)Math.Min(remaining, buffer.Length));
remaining -= buffer.Length;
}
return(fs);
}
catch
{
fs.Close();
throw;
}
}
public void Write()
{
string path = GetFile();
StdFileStream fs = new StdFileStream(path, FileMode.Open);
Assert.AreEqual(0, fs.Length);
Assert.AreEqual(0, fs.Position);
fs.Write(new byte[] { 100, 103, 103, 104, 105 }, 0, 5);
Assert.AreEqual(5, fs.Length);
Assert.AreEqual(5, fs.Position);
fs.Position = 2;
Assert.AreEqual(2, fs.Position);
fs.Write(new byte[] { 100, 103, 103, 104, 105 }, 1, 2);
Assert.AreEqual(5, fs.Length);
Assert.AreEqual(4, fs.Position);
fs.Write(new byte[] { 100, 103, 103, 104, 105 }, 1, 2);
Assert.AreEqual(6, fs.Length);
Assert.AreEqual(6, fs.Position);
fs.Close();
}
public void Read()
{
byte[] buffer = new byte[1024];
string path = GetFile();
StdFileStream fs = new StdFileStream(path, FileMode.Open);
fs.Write(new byte[] { 100, 102, 103, 104, 105, 106, 107, 108 }, 0, 8);
fs.Position = 0;
Assert.AreEqual(2, fs.Read(buffer, 0, 2));
Assert.AreEqual(new byte[] { 100, 102 }, buffer.Take(2));
Assert.AreEqual(5, fs.Read(buffer, 2, 5));
Assert.AreEqual(new byte[] { 100, 102, 103, 104, 105, 106, 107 }, buffer.Take(7));
Assert.AreEqual(1, fs.Read(buffer, 1, 5));
Assert.AreEqual(new byte[] { 100, 108, 103, 104, 105, 106, 107 }, buffer.Take(7));
Assert.AreEqual(0, fs.Read(buffer, 0, 5));
fs.Close();
}