public Task <int?> AskKPIAsync(int max, int min = 1)
{
var newTcs = new TaskCompletionSource <int?>();
if (System.Threading.Interlocked.CompareExchange(ref _askKpiTcs, newTcs, null) != null)//if _askKpiTcs == null then _askKpiTcs = newTcs; return origianl value of _askKpiTcs
{
throw new InvalidOperationException("only one dialog can be active at a time");
}
var view = new AskKpiView()
{
MinKPI = min, MaxKPI = max
};
void handelClose(object sender, object output)
{
var result = output as AskKPIResult;
var tcs = System.Threading.Interlocked.Exchange(ref _askKpiTcs, null);//_askKpiTcs = null; return original value of _askKpiTcs
view.OnClosed -= handelClose;
if (result == null || result.DialogResult == DialogResult.Cancel)
{
tcs?.SetResult(null);
}
else if (result.IsSTM)
{
tcs?.SetResult(-1);
}
else
{
tcs?.SetResult(result.KPI);
}
}
view.OnClosed += handelClose;
GetCurrentPage().Navigation.PushModalAsync(view);
return(_askKpiTcs.Task);
}
[InlineData("101", 100, 10, 101, null)]//ignore max if less than min
public void CheckInput_test(string input, int minKPI, int maxKPI, int?expectedKpi, string expectedErrorMessage)
{
var result = AskKpiView.CheckInput(input, minKPI, maxKPI, out var errormessage);
if (expectedErrorMessage != null)
{
result.Should().BeNull();
if (expectedErrorMessage == "something")
{
Output.WriteLine(errormessage);
}
else
{
errormessage.Should().Be(expectedErrorMessage);
}
}
if (expectedKpi != null)
{
result.KPI.Should().Be(expectedKpi);
}
}
public void CheckInput_test_stm()
{
var result = AskKpiView.CheckInput("STM", null, null, out var errormessage);
result.IsSTM.Should().BeTrue();
}