public void TestTimeService()
{
var wall = TimeService.Wall;
bool ok;
var str = TimeService.CompactDuration(1234567.5);
Assert.AreEqual("342h56m7.5s", str);
ok = TimeService.TryParseDuration(str, out var back);
Assert.AreEqual(1234567.5, back);
Assert.AreEqual("10m", TimeService.CompactDuration(600));
Assert.AreEqual("10s", TimeService.CompactDuration(10));
Assert.AreEqual("100ms", TimeService.CompactDuration(0.1));
ok = TimeService.TryParseDuration("3h2m12s", out var seconds);
var facit = (3 * 60 * 60);
facit += (2 * 60);
facit += 12;
Assert.IsTrue(ok);
Assert.AreEqual(facit, seconds);
ok = TimeService.TryParseDuration("faulty string", out var _);
Assert.IsFalse(ok);
TestParseDuration("8", 8);
TestParseDuration("8s", 8);
TestParseDuration("-10m", -600);
TestParseDuration("0m", 0);
TestParseDuration("1m1s", 61);
TestParseDuration("3h2m12s", (3 * 60 * 60) + (2 * 60) + 12);
TestParseDuration("1.5m", 90);
}