public void Verify_that_static_override_exposes_system_when_created_standalone()
{
var now = DateTime.Now;
var newNow = new DateTime(1999, 1, 1);
using (ISystemClock instance = new SystemClock(newNow))
{
Assert.That(instance.Now, Is.GreaterThanOrEqualTo(newNow));
Assert.That(SystemClock.ClockCount, Is.EqualTo(0));
Assert.That(SystemClock.Now, Is.GreaterThanOrEqualTo(now));
}
Assert.That(SystemClock.ClockCount, Is.EqualTo(0));
Assert.That(SystemClock.Now, Is.GreaterThanOrEqualTo(now));
}
/// <summary>
/// Returns the <see cref="DateTime"/> corresponding to <see cref="DateTime.UtcNow"/>
/// plus the <see cref="_difference"/>.
/// </summary>
/// <param name="aClock"></param>
/// <returns></returns>
private static DateTime GetUtcNow(SystemClock aClock)
{
return aClock == null ? DateTime.UtcNow : aClock.GetUtcNow();
}
/// <summary>
/// Returns the <see cref="DateTime"/> corresponding to <see cref="DateTime.Now"/>
/// plus the <see cref="_difference"/>.
/// </summary>
/// <param name="aClock"></param>
/// <returns></returns>
private static DateTime GetNow(SystemClock aClock)
{
return(aClock == null ? DateTime.Now : aClock.GetNow());
}