public void Quota()
{
// Arrange
PermutationSetup permutation = new PermutationSetup();
permutation.Add(blockpool_3KB);
permutation.Add(case_ms);
permutation.Add(case_decor_ms);
permutation.Add(case_vfs_ms);
permutation.Add(case_vfs_2ms);
// Act & Assert
foreach (Scenario scenario in permutation.Scenarios)
{
using (Run run = scenario.Run().Initialize())
{
IFileSystemDisposable fs = run.Parameters["Class"] as IFileSystemDisposable;
IBlockPool pool = run.Parameters["BlockPool"] as IBlockPool;
fs.CreateDirectory("dir/");
using (var s = fs.Open("dir/file", FileMode.Create, 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);
fs.Delete("dir/", true);
Assert.AreEqual(0L, pool.BytesAllocated);
Assert.AreEqual(3072L, pool.BytesAvailable);
fs.CreateFile("newfile", new byte[3072]);
Assert.AreEqual(3072L, pool.BytesAllocated);
Assert.AreEqual(0L, pool.BytesAvailable);
Stream ss = fs.Open("newfile", FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite);
fs.Delete("newfile");
Assert.AreEqual(3072L, pool.BytesAllocated);
Assert.AreEqual(0L, pool.BytesAvailable);
ss.Dispose();
Assert.AreEqual(0L, pool.BytesAllocated);
Assert.AreEqual(3072L, pool.BytesAvailable);
fs.CreateFile("newfile", new byte[3072]);
Assert.AreEqual(3072L, pool.BytesAllocated);
Assert.AreEqual(0L, pool.BytesAvailable);
fs.Dispose();
Assert.AreEqual(0L, pool.BytesAllocated);
Assert.AreEqual(3072L, pool.BytesAvailable);
}
}
}
public static void Main(string[] args)
{
{
#region Snippet_1a
IFileSystem ram = new MemoryFileSystem();
IFileSystem rom = ram.Decorate(Option.ReadOnly);
#endregion Snippet_1a
}
{
IFileSystem ram = new MemoryFileSystem();
#region Snippet_1b
IFileSystem rom = ram.AsReadOnly();
#endregion Snippet_1b
}
{
IFileSystem ram = new MemoryFileSystem();
#region Snippet_2a
IFileSystem invisible = ram.Decorate(Option.NoOpen);
#endregion Snippet_2a
}
{
IFileSystem ram = new MemoryFileSystem();
#region Snippet_2b
IFileSystem invisible = ram.Decorate(Option.NoBrowse);
#endregion Snippet_2b
}
{
#region Snippet_3
IFileSystem ram = new MemoryFileSystem();
ram.CreateDirectory("tmp/dir/");
ram.CreateFile("tmp/dir/file.txt", new byte[] { 32, 32, 32, 32, 32, 32, 32, 32, 32 });
IFileSystem tmp = ram.Decorate(Option.SubPath("tmp/"));
tmp.PrintTo(Console.Out, format: PrintTree.Format.DefaultPath);
#endregion Snippet_3
}
{
#region Snippet_4a
MemoryFileSystem ram = new MemoryFileSystem();
IFileSystemDisposable rom = ram.Decorate(Option.ReadOnly).AddSourceToBeDisposed();
// Do work ...
rom.Dispose();
#endregion Snippet_4a
}
{
#region Snippet_4b
MemoryFileSystem ram = new MemoryFileSystem();
ram.CreateDirectory("tmp/dir/");
ram.CreateFile("tmp/dir/file.txt", new byte[] { 32, 32, 32, 32, 32, 32, 32, 32, 32 });
IFileSystemDisposable rom = ram.Decorate(Option.ReadOnly).AddDisposable(ram);
// Do work ...
rom.Dispose();
#endregion Snippet_4b
}
{
#region Snippet_4c
// Create ram filesystem
MemoryFileSystem ram = new MemoryFileSystem();
ram.CreateDirectory("tmp/dir/");
ram.CreateFile("tmp/dir/file.txt", new byte[] { 32, 32, 32, 32, 32, 32, 32, 32, 32 });
// Create decorations
IFileSystemDisposable rom = ram.Decorate(Option.ReadOnly).AddDisposable(ram.BelateDispose());
IFileSystemDisposable tmp = ram.Decorate(Option.SubPath("tmp/")).AddDisposable(ram.BelateDispose());
ram.Dispose(); // <- is actually postponed
// Do work ...
// Dispose rom1 and tmp, disposes ram as well
rom.Dispose();
tmp.Dispose();
#endregion Snippet_4c
}
}
public static void Main(string[] args)
{
{
#region Snippet_1
IFileSystem fs = new PhysicalFileProvider(@"C:\Users").ToFileSystem();
#endregion Snippet_1
}
{
#region Snippet_2
IFileProvider fp = new PhysicalFileProvider(@"C:\");
IFileSystem fs = fp.ToFileSystem(
canBrowse: true,
canObserve: true,
canOpen: true);
#endregion Snippet_2
foreach (var line in fs.VisitTree(depth: 2))
{
Console.WriteLine(line);
}
}
{
#region Snippet_3
IFileProvider fp = new PhysicalFileProvider(@"C:\Users");
IFileSystemDisposable filesystem = fp.ToFileSystem().AddDisposable(fp);
#endregion Snippet_3
}
{
#region Snippet_4
IFileSystemDisposable filesystem = new PhysicalFileProvider(@"C:\Users")
.ToFileSystem()
.AddDisposeAction(fs => fs.FileProviderDisposable?.Dispose());
#endregion Snippet_4
}
{
#region Snippet_5
using (var fs = new PhysicalFileProvider(@"C:\Users")
.ToFileSystem()
.AddDisposeAction(f => f.FileProviderDisposable?.Dispose()))
{
fs.Browse("");
// Post pone dispose at end of using()
IDisposable belateDisposeHandle = fs.BelateDispose();
// Start concurrent work
Task.Run(() =>
{
// Do work
Thread.Sleep(100);
fs.GetEntry("");
// Release the belate dispose handle
// FileSystem is actually disposed here
// provided that the using block has exited
// in the main thread.
belateDisposeHandle.Dispose();
});
// using() exists here and starts the dispose fs
}
#endregion Snippet_5
}
{
#region Snippet_6
IFileSystem fs = new PhysicalFileProvider(@"C:\Users").ToFileSystem();
foreach (var line in fs.VisitTree(depth: 2))
{
Console.WriteLine(line);
}
#endregion Snippet_6
}
{
#region Snippet_7
IFileSystem fs = new PhysicalFileProvider(@"C:\Users").ToFileSystem();
IObserver <IEvent> observer = new Observer();
using (IDisposable handle = fs.Observe("**", observer))
{
}
#endregion Snippet_7
}
}
