private void OnApplicationExit(object sender, EventArgs e)
{
// Remove custom DNS settings.
_dnsManager.SetDNS();
// Restore the original file before exiting.
_fileUpdater.RestoreTargetFile(_appSetting.HostFilePath);
}
public void FileUpdateUnitTests_RestoreTargetFile()
{
string testFile = DirtyHostFilePath + ".test";
File.Copy(DirtyHostFilePath, testFile);
bool result = _fileUpdater.RestoreTargetFile(testFile);
var content = File.ReadAllText(testFile);
Assert.IsTrue(result);
Assert.IsTrue(!content.Contains("hostname6"));
// Clean up.
File.Delete(testFile);
}