public void NativeChange()
{
int nativeEvents = 0, kokoEvents = 0;
var myNativeProperty = new MyReadableNativePropertyClass();
myNativeProperty.PropertyChanged += delegate { nativeEvents++; };
myNativeProperty.ChangeGreeting("hello");
var kokoProperty = new NativeReadableProperty <string>(myNativeProperty, nameof(myNativeProperty.Greeting));
kokoProperty.PropertyChanged += delegate { kokoEvents++; };
myNativeProperty.ChangeGreeting("howdy");
kokoProperty.Value.Should().Be("howdy");
kokoEvents.Should().Be(1);
nativeEvents.Should().Be(2);
}
public void WrongProperty()
{
var myNativeProperty = new MyReadableNativePropertyClass();
myNativeProperty.ChangeGreeting("hi");
// ReSharper disable once ObjectCreationAsStatement we want to see the constructor throw an exception
Action thrower = () => new NativeReadableProperty <int>(myNativeProperty, nameof(myNativeProperty.Greeting) + "_wrong");
thrower.Should().Throw <ArgumentException>();
}
public void InitialValue()
{
int nativeEvents = 0, kokoEvents = 0;
var myNativeProperty = new MyReadableNativePropertyClass();
myNativeProperty.PropertyChanged += delegate { nativeEvents++; };
myNativeProperty.ChangeGreeting("hello");
nativeEvents.Should().Be(1);
var kokoProperty = new NativeReadableProperty <string>(myNativeProperty, nameof(myNativeProperty.Greeting));
kokoProperty.PropertyChanged += delegate { kokoEvents++; };
kokoProperty.Value.Should().Be("hello");
kokoEvents.Should().Be(0, "not changed while koko property existed yet");
}