// expected
/// <exception cref="System.Exception"/>
public virtual void TestSyncFileRange()
{
FileOutputStream fos = new FileOutputStream(new FilePath(TestDir, "testSyncFileRange"
));
try
{
fos.Write(Runtime.GetBytesForString("foo"));
NativeIO.POSIX.Sync_file_range(fos.GetFD(), 0, 1024, NativeIO.POSIX.SyncFileRangeWrite
);
}
catch (NotSupportedException)
{
// no way to verify that this actually has synced,
// but if it doesn't throw, we can assume it worked
// we should just skip the unit test on machines where we don't
// have fadvise support
Assume.AssumeTrue(false);
}
finally
{
fos.Close();
}
try
{
NativeIO.POSIX.Sync_file_range(fos.GetFD(), 0, 1024, NativeIO.POSIX.SyncFileRangeWrite
);
NUnit.Framework.Assert.Fail("Did not throw on bad file");
}
catch (NativeIOException nioe)
{
Assert.Equal(Errno.Ebadf, nioe.GetErrno());
}
}
/// <exception cref="System.Exception"/>
public virtual void TestFstat()
{
FileOutputStream fos = new FileOutputStream(new FilePath(TestDir, "testfstat"));
NativeIO.POSIX.Stat stat = NativeIO.POSIX.GetFstat(fos.GetFD());
fos.Close();
Log.Info("Stat: " + stat.ToString());
string owner = stat.GetOwner();
string expectedOwner = Runtime.GetProperty("user.name");
if (Path.Windows)
{
UserGroupInformation ugi = UserGroupInformation.CreateRemoteUser(expectedOwner);
string adminsGroupString = "Administrators";
if (Arrays.AsList(ugi.GetGroupNames()).Contains(adminsGroupString))
{
expectedOwner = adminsGroupString;
}
}
Assert.Equal(expectedOwner, owner);
NUnit.Framework.Assert.IsNotNull(stat.GetGroup());
Assert.True(!stat.GetGroup().IsEmpty());
Assert.Equal("Stat mode field should indicate a regular file",
NativeIO.POSIX.Stat.SIfreg, stat.GetMode() & NativeIO.POSIX.Stat.SIfmt);
}
/// <exception cref="System.Exception"/>
public virtual void TestFstatClosedFd()
{
FileOutputStream fos = new FileOutputStream(new FilePath(TestDir, "testfstat2"));
fos.Close();
try
{
NativeIO.POSIX.Stat stat = NativeIO.POSIX.GetFstat(fos.GetFD());
}
catch (NativeIOException nioe)
{
Log.Info("Got expected exception", nioe);
Assert.Equal(Errno.Ebadf, nioe.GetErrno());
}
}