[TestClass]
public class DebounceTests
{
	private static DispatcherQueueTimer _debounceTimer;
	private string _searchedTerm;
	private double _typingInterval = 200;

	[ClassInitialize]
	public static async Task InitializeAsync(TestContext context)
	{
		await ThreadHelper.ExecuteOnUIThread(() =>
		{
			_debounceTimer = DispatcherQueue.GetForCurrentThread().CreateTimer();
		});
	}

	private Task DelayAsync(double milliSeconds) => Task.Delay(TimeSpan.FromMilliseconds(milliSeconds));

	[TestMethod]
	public async Task ShouldTriggerTheLatestAction()
	{
		TriggerDebounce("T");
		await DelayAsync(_typingInterval);

		TriggerDebounce("Te");
		await DelayAsync(_typingInterval);

		TriggerDebounce("Tes");
		await DelayAsync(_typingInterval);

		TriggerDebounce("Test");

		await DelayAsync(800); // Waits debounce time

		_searchedTerm.Should().Be("Test"); // <- Is failing with "T"
	}

	private void TriggerDebounce(string value)
	{
		_debounceTimer.Debounce(() =>
			{
				_searchedTerm = value;
			},
			TimeSpan.FromSeconds(0.6));
	}
}