public void ReadBytePastEndOfStream ()
{
string path = TempFolder + Path.DirectorySeparatorChar + "temp";
DeleteFile (path);
using (StdioFileStream stream = new StdioFileStream (path, FileMode.OpenOrCreate, FileAccess.Read)) {
stream.Seek (0, SeekOrigin.End);
Assert.AreEqual (-1, stream.ReadByte (), "ReadByte");
stream.Close ();
}
}
public void TestFlushNotOwningHandle ()
{
string path = Path.Combine (TempFolder, "TestFlushNotOwningHandle");
DeleteFile (path);
StdioFileStream s = new StdioFileStream (path, FileMode.Create);
using (StdioFileStream s2 = new StdioFileStream (s.Handle, FileAccess.Write, false)) {
byte[] buf = new byte [2];
buf [0] = (int)'1';
s2.Write (buf, 0, 1);
}
s.Position = 0;
Assert.AreEqual (s.ReadByte (), (int)'1');
s.Close ();
}
public void TestReadByteVerifyAccessMode ()
{
string path = TempFolder + Path.DirectorySeparatorChar + "temp";
DeleteFile (path);
StdioFileStream stream = null;
try {
stream = new StdioFileStream (path, FileMode.OpenOrCreate, FileAccess.Write);
int readByte = stream.ReadByte ();
} finally {
if (stream != null)
stream.Close();
DeleteFile (path);
}
}
public void TestClose ()
{
#if FALSE
string path = TempFolder + Path.DirectorySeparatorChar + "TestClose";
DeleteFile (path);
StdioFileStream stream = new StdioFileStream (path, FileMode.CreateNew, FileAccess.ReadWrite);
stream.Write (new byte [] {1, 2, 3, 4}, 0, 4);
stream.ReadByte ();
stream.Close ();
try {
stream.ReadByte ();
Assert.Fail ();
} catch (Exception e) {
Assert.AreEqual (typeof (ObjectDisposedException), e.GetType (), "test#01");
}
try {
stream.WriteByte (64);
Assert.Fail ();
} catch (Exception e) {
Assert.AreEqual (typeof (ObjectDisposedException), e.GetType (), "test#02");
}
try {
stream.Flush ();
Assert.Fail ();
} catch (Exception e) {
Assert.AreEqual (typeof (ObjectDisposedException), e.GetType (), "test#03");
}
try {
long l = stream.Length;
Assert.Fail ();
} catch (Exception e) {
Assert.AreEqual (typeof (ObjectDisposedException), e.GetType (), "test#04");
}
try {
long l = stream.Position;
Assert.Fail ();
} catch (Exception e) {
Assert.AreEqual (typeof (ObjectDisposedException), e.GetType (), "test#05");
}
try {
FilePosition fp = stream.FilePosition;
fp.Dispose ();
Assert.Fail ();
} catch (Exception e) {
Assert.AreEqual (typeof (ObjectDisposedException), e.GetType (), "test#05");
}
Assert.AreEqual (false, stream.CanRead, "test#06");
Assert.AreEqual (false, stream.CanSeek, "test#07");
Assert.AreEqual (false, stream.CanWrite, "test#08");
DeleteFile (path);
#endif
}
public void TestSeek ()
{
string path = TempFolder + Path.DirectorySeparatorChar + "TestSeek";
DeleteFile (path);
StdioFileStream stream = new StdioFileStream (path, FileMode.CreateNew, FileAccess.ReadWrite);
stream.Write (new byte[] {1, 2, 3, 4, 5, 6, 7, 8 , 9, 10}, 0, 10);
stream.Seek (5, SeekOrigin.End);
Assert.AreEqual (-1, stream.ReadByte (), "test#01");
stream.Seek (-5, SeekOrigin.End);
Assert.AreEqual (6, stream.ReadByte (), "test#02");
try {
stream.Seek (-11, SeekOrigin.End);
Assert.Fail ();
} catch (Exception e) {
Assert.AreEqual (typeof (IOException), e.GetType (), "test#03");
}
stream.Seek (19, SeekOrigin.Begin);
Assert.AreEqual (-1, stream.ReadByte (), "test#04");
stream.Seek (1, SeekOrigin.Begin);
Assert.AreEqual (2, stream.ReadByte (), "test#05");
stream.Seek (3, SeekOrigin.Current);
Assert.AreEqual (6, stream.ReadByte (), "test#06");
stream.Seek (-2, SeekOrigin.Current);
Assert.AreEqual (5, stream.ReadByte (), "test#07");
stream.Flush ();
// Test that seeks work correctly when seeking inside the buffer
stream.Seek (0, SeekOrigin.Begin);
stream.WriteByte (0);
stream.WriteByte (1);
stream.Seek (0, SeekOrigin.Begin);
byte[] buf = new byte [1];
buf [0] = 2;
stream.Write (buf, 0, 1);
stream.Write (buf, 0, 1);
stream.Flush ();
stream.Seek (0, SeekOrigin.Begin);
Assert.AreEqual (2, stream.ReadByte (), "test#08");
Assert.AreEqual (2, stream.ReadByte (), "test#09");
stream.Close ();
DeleteFile (path);
}
public void Seek ()
{
string path = TempFolder + DSC + "FST.Seek.Test";
DeleteFile (path);
StdioFileStream stream = new StdioFileStream (path, FileMode.CreateNew, FileAccess.ReadWrite);
StdioFileStream stream2 = new StdioFileStream (path, FileMode.Open, FileAccess.ReadWrite);
stream.Write (new byte [] {1, 2, 3, 4, 5, 6, 7, 8, 10}, 0, 9);
Assert.AreEqual (5, stream2.Seek (5, SeekOrigin.Begin), "test#01");
Assert.AreEqual (-1, stream2.ReadByte (), "test#02");
Assert.AreEqual (2, stream2.Seek (-3, SeekOrigin.Current), "test#03");
Assert.AreEqual (-1, stream2.ReadByte (), "test#04");
Assert.AreEqual (12, stream.Seek (3, SeekOrigin.Current), "test#05");
Assert.AreEqual (-1, stream.ReadByte (), "test#06");
Assert.AreEqual (5, stream.Seek (-7, SeekOrigin.Current), "test#07");
Assert.AreEqual (6, stream.ReadByte (), "test#08");
Assert.AreEqual (5, stream2.Seek (5, SeekOrigin.Begin), "test#09");
Assert.AreEqual (6, stream2.ReadByte (), "test#10");
stream.Close ();
stream2.Close ();
DeleteFile (path);
}