public void Set2WayBindings()
{
var nativeView = new MockNativeView();
Assert.AreEqual(null, nativeView.Foo);
Assert.AreEqual(0, nativeView.Bar);
var vm = new MockVMForNativeBinding();
nativeView.SetBindingContext(vm);
var inpc = new MockINPC();
nativeView.SetBinding("Foo", new Binding("FFoo", mode: BindingMode.TwoWay), inpc);
nativeView.SetBinding("Bar", new Binding("BBar", mode: BindingMode.TwoWay), inpc);
Assert.AreEqual(null, nativeView.Foo);
Assert.AreEqual(0, nativeView.Bar);
Assert.AreEqual(null, vm.FFoo);
Assert.AreEqual(0, vm.BBar);
nativeView.Foo = "oof";
inpc.FireINPC(nativeView, "Foo");
nativeView.Bar = -42;
inpc.FireINPC(nativeView, "Bar");
Assert.AreEqual("oof", nativeView.Foo);
Assert.AreEqual(-42, nativeView.Bar);
Assert.AreEqual("oof", vm.FFoo);
Assert.AreEqual(-42, vm.BBar);
vm.FFoo = "foo";
vm.BBar = 42;
Assert.AreEqual("foo", nativeView.Foo);
Assert.AreEqual(42, nativeView.Bar);
Assert.AreEqual("foo", vm.FFoo);
Assert.AreEqual(42, vm.BBar);
}
public void TestConverter2WayWorks()
{
var nativeView = new MockNativeView();
Assert.AreEqual(null, nativeView.Foo);
Assert.AreEqual(0, nativeView.Bar);
var inpc = new MockINPC();
var vm = new MockVMForNativeBinding();
vm.CColor = Color.Red;
var converter = new MockCustomColorConverter();
nativeView.SetBinding("SelectedColor", new Binding("CColor", BindingMode.TwoWay, converter), inpc);
nativeView.SetBindingContext(vm);
Assert.AreEqual(vm.CColor, nativeView.SelectedColor.FormsColor);
var newFormsColor = Color.Blue;
var newColor = new MockNativeColor(newFormsColor);
nativeView.SelectedColor = newColor;
inpc.FireINPC(nativeView, nameof(nativeView.SelectedColor));
Assert.AreEqual(newFormsColor, vm.CColor);
}