public void TestWriteConcern()
{
var settings = new MongoDatabaseSettings();
Assert.AreEqual(null, settings.WriteConcern);
var writeConcern = WriteConcern.W2;
settings.WriteConcern = writeConcern;
Assert.AreEqual(writeConcern, settings.WriteConcern);
settings.Freeze();
Assert.AreEqual(writeConcern, settings.WriteConcern);
Assert.Throws<InvalidOperationException>(() => { settings.WriteConcern = writeConcern; });
}
}