public void Should_Handle_DataValidation()
{
var data = new Class1 { DoubleValue = 5.6 };
var converter = new Mock<IValueConverter>();
var target = new BindingExpression(new ExpressionObserver(data, "DoubleValue", true), typeof(string));
var result = new List<object>();
target.Subscribe(x => result.Add(x));
target.OnNext(1.2);
target.OnNext("3.4");
target.OnNext("bar");
Assert.Equal(
new[]
{
new BindingNotification("5.6"),
new BindingNotification("1.2"),
new BindingNotification("3.4"),
new BindingNotification(
new InvalidCastException("'bar' is not a valid number."),
BindingErrorType.Error)
},
result);
}
public void Should_Pass_ConverterParameter_To_Convert()
{
var data = new Class1 { DoubleValue = 5.6 };
var converter = new Mock<IValueConverter>();
var target = new BindingExpression(
new ExpressionObserver(data, "DoubleValue"),
typeof(string),
converter.Object,
converterParameter: "foo");
target.Subscribe(_ => { });
converter.Verify(x => x.Convert(5.6, typeof(string), "foo", CultureInfo.CurrentUICulture));
}
