public void Write_CountOverflow ()
{
string path = TempFolder + Path.DirectorySeparatorChar + "temp";
DeleteFile (path);
using (StdioFileStream stream = new StdioFileStream (path, FileMode.OpenOrCreate, FileAccess.Write)) {
stream.Write (new byte[0], 1, Int32.MaxValue);
}
}
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 Write_OffsetNegative ()
{
string path = TempFolder + Path.DirectorySeparatorChar + "temp";
DeleteFile (path);
using (StdioFileStream stream = new StdioFileStream (path, FileMode.OpenOrCreate, FileAccess.Write)) {
stream.Write (new byte[0], -1, 1);
}
}
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 TestWriteVerifyAccessMode ()
{
string path = TempFolder + Path.DirectorySeparatorChar + "temp";
DeleteFile (path);
StdioFileStream stream = null;
byte[] buffer;
try {
buffer = Encoding.ASCII.GetBytes ("test");
stream = new StdioFileStream (path, FileMode.OpenOrCreate, FileAccess.Read);
stream.Write (buffer, 0, buffer.Length);
} finally {
if (stream != null)
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);
}
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 PositionAfterWrite ()
{
#if XXX
string path = TempFolder + DSC + "FST.Position.Test";
DeleteFile (path);
StdioFileStream stream = new StdioFileStream (path, FileMode.CreateNew,
FileAccess.ReadWrite);
FilePosition fp;
Assert.AreEqual (0, stream.Position, "test #01");
Assert.AreEqual ("(Mono.Unix.FilePosition 00000000",
(fp = stream.FilePosition).ToString().Substring (0, 32), "test#02");
fp.Dispose ();
byte[] message = new byte[]{
(byte) 'H', (byte) 'e', (byte) 'l', (byte) 'l', (byte) 'o', (byte) ' ',
(byte) 'W', (byte) 'o', (byte) 'r', (byte) 'l', (byte) 'd',
};
stream.Write (message, 0, message.Length);
Assert.AreEqual (11, stream.Position, "test #03");
Assert.AreEqual (message.Length, stream.Position, "test #04");
Assert.AreEqual ("(Mono.Unix.FilePosition 0B000000",
(fp = stream.FilePosition).ToString().Substring (0, 32), "test#04");
fp.Dispose ();
#endif
}
public void Flush ()
{
#if XXX
// This test depends too much on the internal implementation of stdio's FILE
string path = TempFolder + DSC + "StdioFileStreamTest.Flush";
StdioFileStream stream = null;
StdioFileStream stream2 = null;
DeleteFile (path);
try {
stream = new StdioFileStream (path, FileMode.CreateNew, FileAccess.ReadWrite);
stream2 = new StdioFileStream (path, FileMode.Open, FileAccess.ReadWrite);
stream.Write (new byte [] {1, 2, 3, 4, 5}, 0, 5);
byte [] bytes = new byte [5];
stream2.Read (bytes, 0, 5);
Assert.AreEqual (0, bytes [0], "test#01");
Assert.AreEqual (0, bytes [1], "test#02");
Assert.AreEqual (0, bytes [2], "test#03");
Assert.AreEqual (0, bytes [3], "test#04");
stream.Flush ();
stream2.Read (bytes, 0, 5);
Assert.AreEqual (1, bytes [0], "test#05");
Assert.AreEqual (2, bytes [1], "test#06");
Assert.AreEqual (3, bytes [2], "test#07");
Assert.AreEqual (4, bytes [3], "test#08");
} finally {
if (stream != null)
stream.Close ();
if (stream2 != null)
stream2.Close ();
Console.WriteLine ("P: " + path);
//DeleteFile (path);
}
#endif
}
public void Length ()
{
// Test that the Length property takes into account the data
// in the buffer
string path = TempFolder + DSC + "StdioFileStreamTest.Length";
DeleteFile (path);
StdioFileStream stream = new StdioFileStream (path, FileMode.CreateNew);
byte[] outbytes = new byte [] {1, 2, 3, 4};
stream.Write (outbytes, 0, 4);
Assert.AreEqual (stream.Length, 4);
stream.Close ();
}
public void Write ()
{
string path = TempFolder + DSC + "StdioFileStreamTest.Write";
DeleteFile (path);
StdioFileStream stream = new StdioFileStream (path, FileMode.CreateNew, FileAccess.ReadWrite);
byte[] outbytes = new byte [] {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16};
byte[] bytes = new byte [15];
// Check that the data is flushed when we overflow the buffer
// with a large amount of data
stream.Write (outbytes, 0, 5);
stream.Write (outbytes, 5, 10);
stream.Seek (0, SeekOrigin.Begin);
stream.Read (bytes, 0, 15);
for (int i = 0; i < 15; ++i)
Assert.AreEqual (i + 1, bytes [i]);
// Check that the data is flushed when we overflow the buffer
// with a small amount of data
stream.Write (outbytes, 0, 7);
stream.Write (outbytes, 7, 7);
stream.Write (outbytes, 14, 1);
stream.Seek (15, SeekOrigin.Begin);
Array.Clear (bytes, 0, bytes.Length);
stream.Read (bytes, 0, 15);
for (int i = 0; i < 15; ++i)
Assert.AreEqual (i + 1, bytes [i]);
stream.Close ();
}
public void Flush ()
{
string path = TempFolder + DSC + "StdioFileStreamTest.Flush";
StdioFileStream stream = null;
StdioFileStream stream2 = null;
DeleteFile (path);
try {
stream = new StdioFileStream (path, FileMode.CreateNew, FileAccess.ReadWrite);
stream2 = new StdioFileStream (path, FileMode.Open, FileAccess.ReadWrite);
stream.Write (new byte [] {1, 2, 3, 4, 5}, 0, 5);
byte [] bytes = new byte [5];
stream2.Read (bytes, 0, 5);
Assert.AreEqual (0, bytes [0], "test#01");
Assert.AreEqual (0, bytes [1], "test#02");
Assert.AreEqual (0, bytes [2], "test#03");
Assert.AreEqual (0, bytes [3], "test#04");
stream.Flush ();
stream2.Read (bytes, 0, 5);
Assert.AreEqual (1, bytes [0], "test#05");
Assert.AreEqual (2, bytes [1], "test#06");
Assert.AreEqual (3, bytes [2], "test#07");
Assert.AreEqual (4, bytes [3], "test#08");
} finally {
if (stream != null)
stream.Close ();
if (stream2 != null)
stream2.Close ();
DeleteFile (path);
}
}