public void BindWithFuncShouldWorkAsExtensionMethodSmokeTest()
{
var vm = new PropertyBindViewModel();
var view = new PropertyBindView()
{
ViewModel = vm
};
view.Bind(vm, x => x.JustADecimal, x => x.SomeTextBox.Text, d => d.ToString(), Decimal.Parse);
}
public void ImplicitBindPlusTypeConversion()
{
var vm = new PropertyBindViewModel();
var view = new PropertyBindView()
{
ViewModel = vm
};
view.Bind(view.ViewModel, x => x.Property2);
vm.Property2 = 42;
Assert.Equal("42", view.Property2.Text);
view.Property2.Text = "7";
Assert.Equal(7, vm.Property2);
}
public void ViewModelNullableToViewNullable()
{
var vm = new PropertyBindViewModel();
var view = new PropertyBindView()
{
ViewModel = vm
};
view.Bind(view.ViewModel, x => x.NullableDouble, x => x.FakeControl.NullableDouble);
Assert.Equal(null, vm.NullableDouble);
view.FakeControl.NullableDouble = 4.0;
Assert.Equal(4.0, vm.NullableDouble);
view.FakeControl.NullableDouble = null;
Assert.Equal(null, vm.NullableDouble);
view.FakeControl.NullableDouble = 0.0;
Assert.Equal(0.0, vm.NullableDouble);
}
public void TwoWayBindToSelectedItemOfItemsControl()
{
var vm = new PropertyBindViewModel();
var view = new PropertyBindView()
{
ViewModel = vm
};
view.FakeItemsControl.ItemsSource = new ObservableCollectionExtended <string>(new[] { "aaa", "bbb", "ccc" });
view.Bind(view.ViewModel, x => x.Property1, x => x.FakeItemsControl.SelectedItem);
Assert.Null(view.FakeItemsControl.SelectedItem);
Assert.Null(vm.Property1);
view.FakeItemsControl.SelectedItem = "aaa";
Assert.Equal("aaa", vm.Property1); // fail
vm.Property1 = "bbb";
Assert.Equal("bbb", view.FakeItemsControl.SelectedItem);
}