public void Use_NullDescriptor()
{
var builder = new DataProtectionBuilder(new ServiceCollection());
Assert.Throws <ArgumentNullException>(() => DataProtectionBuilderExtensions.Use(builder, null));
}
public void Use_NullBuilder()
{
var descriptor = new ServiceDescriptor(typeof(string), "a");
Assert.Throws <ArgumentNullException>(() => DataProtectionBuilderExtensions.Use(null, descriptor));
}