private void nativeWritableProperty()
{
var nativePropertyObject = new NativePropertyClass {
nativeProperty = 8
};
var kokoProperty = new NativeWritableProperty <int>(nativePropertyObject, nameof(NativePropertyClass.nativeProperty));
Console.WriteLine(kokoProperty.Value); // 8
kokoProperty.Value = 9;
Console.WriteLine(nativePropertyObject.nativeProperty); // 9
}
public void NonNotifyingPropertyInitialValue()
{
int nativeEvents = 0, kokoEvents = 0;
var myNativeProperty = new MyWritableNonNotifyingNativePropertyClass();
myNativeProperty.GreetingChanged += delegate { nativeEvents++; };
myNativeProperty.Greeting = "hello";
nativeEvents.Should().Be(1);
var kokoProperty = new NativeWritableProperty <string>(myNativeProperty, nameof(myNativeProperty.Greeting), nameof(myNativeProperty.GreetingChanged));
kokoProperty.PropertyChanged += delegate { kokoEvents++; };
kokoProperty.Value.Should().Be("hello");
kokoEvents.Should().Be(0, "not changed while koko property existed yet");
}
public void NonNotifyingPropertyValueSettable()
{
int nativeEvents = 0, kokoEvents = 0;
var myNativeProperty = new MyWritableNonNotifyingNativePropertyClass();
myNativeProperty.Greeting = "hello";
myNativeProperty.GreetingChanged += delegate { nativeEvents++; };
var kokoProperty = new NativeWritableProperty <string>(myNativeProperty, nameof(myNativeProperty.Greeting), nameof(myNativeProperty.GreetingChanged));
kokoProperty.PropertyChanged += delegate { kokoEvents++; };
kokoProperty.Value = "howdy";
kokoProperty.Value.Should().Be("howdy");
kokoEvents.Should().Be(1);
nativeEvents.Should().Be(1);
}
public void WrongPropertyNativeChange()
{
int nativeEvents = 0, kokoEvents = 0;
var myNativeProperty = new MyWritableNativePropertyClass();
myNativeProperty.PropertyChanged += delegate { nativeEvents++; };
myNativeProperty.PartingPhrase = "goodbye";
var kokoProperty = new NativeWritableProperty <string>(myNativeProperty, nameof(myNativeProperty.Greeting));
kokoProperty.PropertyChanged += delegate { kokoEvents++; };
kokoProperty.Value.Should().BeNull();
kokoEvents.Should().Be(0);
myNativeProperty.PartingPhrase = "arrivederci";
kokoProperty.Value.Should().BeNull();
kokoEvents.Should().Be(0);
nativeEvents.Should().Be(2);
}
public void KokoChange()
{
int nativeEvents = 0, kokoEvents = 0;
var myNativeProperty = new MyWritableNativePropertyClass();
myNativeProperty.PropertyChanged += delegate { nativeEvents++; };
myNativeProperty.Greeting = "hello";
var kokoProperty = new NativeWritableProperty <string>(myNativeProperty, nameof(myNativeProperty.Greeting));
kokoProperty.PropertyChanged += delegate { kokoEvents++; };
kokoEvents.Should().Be(0);
kokoProperty.Value.Should().Be("hello");
kokoProperty.Value = "howdy";
kokoProperty.Value.Should().Be("howdy");
myNativeProperty.Greeting.Should().Be("howdy");
kokoEvents.Should().Be(1);
nativeEvents.Should().Be(2);
}
