/// <exception cref="System.IO.IOException"/>
public override int Available()
{
int avail = @in.Available();
if (pos + avail > end)
{
avail = (int)(end - pos);
}
return(avail);
}
public virtual void TestSeekReadClosedFile()
{
bool supportsSeekOnClosedFiles = IsSupported(SupportsSeekOnClosedFile);
instream = GetFileSystem().Open(smallSeekFile);
GetLog().Debug("Stream is of type " + instream.GetType().GetCanonicalName());
instream.Close();
try
{
instream.Seek(0);
if (!supportsSeekOnClosedFiles)
{
NUnit.Framework.Assert.Fail("seek succeeded on a closed stream");
}
}
catch (IOException)
{
}
//expected a closed file
try
{
int data = instream.Available();
NUnit.Framework.Assert.Fail("read() succeeded on a closed stream, got " + data);
}
catch (IOException)
{
}
//expected a closed file
try
{
int data = instream.Read();
NUnit.Framework.Assert.Fail("read() succeeded on a closed stream, got " + data);
}
catch (IOException)
{
}
//expected a closed file
try
{
byte[] buffer = new byte[1];
int result = instream.Read(buffer, 0, 1);
NUnit.Framework.Assert.Fail("read(buffer, 0, 1) succeeded on a closed stream, got "
+ result);
}
catch (IOException)
{
}
//expected a closed file
//what position does a closed file have?
try
{
long offset = instream.GetPos();
}
catch (IOException)
{
}
// its valid to raise error here; but the test is applied to make
// sure there's no other exception like an NPE.
//and close again
instream.Close();
}
/// <exception cref="System.IO.IOException"/>
public override int Available()
{
return(datas.Available() + base.Available());
}