public static void TestFromNanoseconds(double timeMs)
{
var accurateMs = TimeSpan.FromTicks((long)(timeMs * TimeSpan.TicksPerMillisecond));
Assert.AreEqual(
TimeSpanHelper.FromNanoseconds(timeMs * 1000 * 1000),
accurateMs);
Assert.AreEqual(
accurateMs.TotalNanoseconds(),
timeMs * 1000 * 1000);
}
public static void TestMultiplySuccess(int time, double scale)
{
// Too small for timespan resolution
Assert.AreEqual(
TimeSpan.FromTicks(time * 10000).Multiply(scale),
TimeSpan.FromTicks((long)(time * 10000 * scale)));
// Too small for timespan resolution
Assert.AreEqual(
TimeSpanHelper.FromNanoseconds(time * 10000).Multiply(scale),
TimeSpanHelper.FromNanoseconds(time * 10000 * scale));
// Too small for timespan resolution
Assert.AreEqual(
TimeSpanHelper.FromMicroseconds(time * 10000).Multiply(scale),
TimeSpanHelper.FromMicroseconds(time * 10000 * scale));
// HACK: see https://stackoverflow.com/a/5450495 for explanation
Assert.AreEqual(
Math.Round(TimeSpan.FromMilliseconds(time).Multiply(scale).TotalMilliseconds),
Math.Round(TimeSpan.FromMilliseconds(time * scale).TotalMilliseconds));
Assert.AreEqual(
TimeSpan.FromSeconds(time).Multiply(scale),
TimeSpan.FromSeconds(time * scale));
Assert.AreEqual(
TimeSpan.FromMinutes(time).Multiply(scale),
TimeSpan.FromMinutes(time * scale));
Assert.AreEqual(
TimeSpan.FromHours(time).Multiply(scale),
TimeSpan.FromHours(time * scale));
Assert.AreEqual(
TimeSpan.FromDays(time).Multiply(scale),
TimeSpan.FromDays(time * scale));
}