[Mono-bugs] [Bug 378229] File.Delete on read-only file should throw System. UnauthorizedAccessException

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https://bugzilla.novell.com/show_bug.cgi?id=378229

User albright at wesay.org added comment
https://bugzilla.novell.com/show_bug.cgi?id=378229#c2





--- Comment #2 from Eric Albright <albright at wesay.org>  2008-04-16 01:53:57 MST ---
"Unlike the Read-only attribute for a file, the Read-only attribute for a
folder is typically ignored by Windows, Windows components and accessories, and
other programs. For example, you can delete, rename, and change a folder with
the Read-only attribute by using Windows Explorer."
http://support.microsoft.com/kb/326549/EN-US/

I am able to set the read-only attribute on a directory and then delete a file
in the directory. Deleting a directory which contains a read-only file is not.

[TestFixture]
public class FileAndDirectoryDelete
{
  string file;
  private string directory;
  [SetUp]
  public void Setup()
  {
    directory = Path.Combine(Path.GetTempPath(), Path.GetRandomFileName());
    Directory.CreateDirectory(directory);
    file = Path.Combine(directory, Path.GetRandomFileName());
    using(StreamWriter stream = File.CreateText(this.file))
    {
      stream.Close();
    }
  }

  [TearDown]
  public void TearDown()
  {
    if (File.Exists(file))
    {
      File.SetAttributes(file, FileAttributes.Normal);
    }
    if (Directory.Exists(directory))
    {
      File.SetAttributes(directory, FileAttributes.Normal);
      Directory.Delete(directory, true);
    }
  }

  [Test]
  [ExpectedException(typeof(UnauthorizedAccessException))]
  public void DirectoryDelete_FileIsReadOnly_Throws()
  {
    File.SetAttributes(file, FileAttributes.ReadOnly);
    Directory.Delete(directory, true);
  }

  [Test]
  public void FileDelete_DirectoryIsReadOnly_FileDeleted()
  {
    File.SetAttributes(directory, FileAttributes.ReadOnly);
    File.Delete(file);
    Assert.IsFalse(File.Exists(file));
  }
}


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