public void TimeBasedExpiry()
{
DocumentPackageSettingsBuilder builder = DocumentPackageSettingsBuilder.NewDocumentPackageSettings();
DocumentPackageSettings unset = builder.Build();
Assert.IsFalse(unset.DefaultTimeBasedExpiry.HasValue);
DocumentPackageSettings with = builder.WithDefaultTimeBasedExpiry().WithRemainingDays(14).Build();
Assert.IsTrue(with.DefaultTimeBasedExpiry.HasValue);
Assert.IsTrue(with.DefaultTimeBasedExpiry.Value);
Assert.IsTrue(with.RemainingDays.Value == 14);
DocumentPackageSettings without = builder.WithoutDefaultTimeBasedExpiry().Build();
Assert.IsTrue(without.DefaultTimeBasedExpiry.HasValue);
Assert.IsFalse(without.DefaultTimeBasedExpiry.Value);
}