public void Initiate_Should_Not_Enable_Data_Validation_With_BindingPriority_TemplatedParent()
{
var textBlock = new TextBlock
{
DataContext = new Class1(),
};
var target = new Binding(nameof(Class1.Foo)) { Priority = BindingPriority.TemplatedParent };
var instanced = target.Initiate(textBlock, TextBlock.TextProperty, enableDataValidation: true);
var subject = (BindingExpression)instanced.Subject;
object result = null;
subject.Subscribe(x => result = x);
Assert.IsType<string>(result);
}
public void Initiate_Should_Enable_Data_Validation_With_BindingPriority_LocalValue()
{
var textBlock = new TextBlock
{
DataContext = new Class1(),
};
var target = new Binding(nameof(Class1.Foo));
var instanced = target.Initiate(textBlock, TextBlock.TextProperty, enableDataValidation: true);
var subject = (BindingExpression)instanced.Subject;
object result = null;
subject.Subscribe(x => result = x);
Assert.Equal(new BindingNotification("foo"), result);
}
public void Should_Use_DefaultValueConverter_When_No_Converter_Specified()
{
var target = new TextBlock(); ;
var binding = new Binding
{
Path = "Foo",
};
var result = binding.Initiate(target, TextBox.TextProperty).Subject;
Assert.IsType<DefaultValueConverter>(((ExpressionSubject)result).Converter);
}
public void Should_Use_Supplied_Converter()
{
var target = new TextBlock();
var converter = new Mock<IValueConverter>();
var binding = new Binding
{
Converter = converter.Object,
Path = "Foo",
};
var result = binding.Initiate(target, TextBox.TextProperty).Subject;
Assert.Same(converter.Object, ((ExpressionSubject)result).Converter);
}
public void Should_Pass_ConverterParameter_To_Supplied_Converter()
{
var target = new TextBlock();
var converter = new Mock<IValueConverter>();
var binding = new Binding
{
Converter = converter.Object,
ConverterParameter = "foo",
Path = "Bar",
};
var result = binding.Initiate(target, TextBox.TextProperty).Subject;
Assert.Same("foo", ((BindingExpression)result).ConverterParameter);
}