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);
}
}
}