public void AggregatingMultiValueConverter_RepeatingLastConverter()
{
IMultiValueConverter target = new AggregatingMultiValueConverter
{
Converters =
{
BinaryOperationConverter.Subtraction,
BinaryOperationConverter.Division,
}
};
var input = new object[] { 9, 3, 2, 3, 2 };
var result = target.Convert(input, null, null, null);
// (((9 - 3) / 2) / 3) / 2
Assert.AreEqual(.5, result);
}
public void AggregatingMultiValueConverter_CascadingMultiConverters()
{
IMultiValueConverter target = new AggregatingMultiValueConverter
{
Converters =
{
BinaryOperationConverter.Subtraction,
BinaryOperationConverter.Division,
ArithmeticMultiValueConverter.Product
}
};
var input = new object[] { 9, 3, 2, 3, 2 };
var result = target.Convert(input, null, null, null);
// ((9 - 3) / 2) * 3 * 2
Assert.AreEqual(18.0, result);
}
public void AggregatingMultiValueConverter_CalculateTimeThreshold_ConditionFails()
{
IMultiValueConverter target = new AggregatingMultiValueConverter
{
Converters =
{
BinaryOperationConverter.Subtraction,
BinaryOperationConverter.LessThan
}
};
var now = DateTime.Now;
var eventTime = now - TimeSpan.FromDays(2.3);
var threshold = TimeSpan.FromDays(2.2);
var result = target.Convert(new object[] { now, eventTime, threshold }, null, null, null);
Assert.AreEqual(false, result);
}
