public void Quota()
{
BlockPool pool = new BlockPool(1024, 3, 3, true);
MemoryFile file = new MemoryFile(pool);
using (var s = file.Open(FileAccess.ReadWrite, FileShare.None))
{
Assert.AreEqual(0L, pool.BytesAllocated);
s.Write(new byte[1024]);
Assert.AreEqual(1024L, pool.BytesAllocated);
Assert.AreEqual(2048L, pool.BytesAvailable);
Assert.AreEqual(1024L, s.Length);
s.Write(new byte[1024]);
Assert.AreEqual(2048L, pool.BytesAllocated);
Assert.AreEqual(1024L, pool.BytesAvailable);
Assert.AreEqual(2048L, s.Length);
s.Write(new byte[1024]);
Assert.AreEqual(3072L, s.Length);
Assert.AreEqual(3072L, pool.BytesAllocated);
Assert.AreEqual(0L, pool.BytesAvailable);
try
{
s.Write(new byte[1024]);
Assert.Fail();
} catch (FileSystemExceptionOutOfDiskSpace)
{
}
Assert.AreEqual(3072, s.Length);
try
{
s.WriteByte(3);
Assert.Fail();
}
catch (FileSystemExceptionOutOfDiskSpace)
{
}
Assert.AreEqual(3072, s.Length);
s.SetLength(3071);
Assert.AreEqual(3071, s.Length);
s.WriteByte(3);
Assert.AreEqual(3072, s.Length);
s.SetLength(0L);
Assert.AreEqual(0, s.Length);
Assert.AreEqual(0L, pool.BytesAllocated);
Assert.AreEqual(3072L, pool.BytesAvailable);
s.Write(new byte[1024]);
s.Write(new byte[1024]);
s.Write(new byte[1024]);
Assert.AreEqual(3072L, s.Length);
Assert.AreEqual(3072L, pool.BytesAllocated);
Assert.AreEqual(0L, pool.BytesAvailable);
}
Assert.AreEqual(3072L, pool.BytesAllocated);
Assert.AreEqual(0L, pool.BytesAvailable);
Stream ss = file.Open(FileAccess.ReadWrite, FileShare.ReadWrite);
file.Dispose();
Assert.AreEqual(3072L, pool.BytesAllocated);
Assert.AreEqual(0L, pool.BytesAvailable);
ss.Dispose();
Assert.AreEqual(0L, pool.BytesAllocated);
Assert.AreEqual(3072L, pool.BytesAvailable);
}