public void should_stop_generate_ids_when_less_than_ten_years_left_before_timestamp_overflow()
{
var now = DateTime.UtcNow;
var nextTimestamp = now
.AddMilliseconds(2 * Math.Pow(2, MachineIdOffset - 1))
.AddYears(-9);
var clockMock = new Mock <IClock>();
clockMock.SetupSequence(c => c.UtcNow)
.Returns(nextTimestamp);
var snowflake = new Snowflake(clock: clockMock.Object, timestampOffset: now);
snowflake.Invoking(s => s.Next())
.Should().Throw <InvalidOperationException>()
.WithMessage("ID will overflow in less than 10 years.");
}
public void should_ignore_warning_generate_ids_when_less_than_ten_years_left_before_timestamp_overflow()
{
var now = DateTime.UtcNow;
var nextTimestamp = now
.AddMilliseconds(2 * Math.Pow(2, MachineIdOffset - 1))
.AddYears(-9);
var clockMock = new Mock <IClock>();
clockMock.SetupSequence(c => c.UtcNow)
.Returns(nextTimestamp);
var snowflake = new Snowflake(
clock: clockMock.Object,
timestampOffset: now,
ignoreWarning: true);
snowflake.Invoking(s => s.Next())
.Should().NotThrow();
}