public void ObservableInstanceMethodShouldInvokeMethodWhenInstanceChangesAndRaiseChangedEvent()
{
var methodInfo = typeof(ExampleClass).GetMethod(
"PublicInstanceMethodNoParamsReturnInt32",
BindingFlags.Public | BindingFlags.Instance | BindingFlags.Static);
var instance = new ExampleClass(10);
var changes = new List <int>();
var observableInstanceMethod = new ObservableInstanceMethod <ExampleClass, Int32>(instance, methodInfo);
observableInstanceMethod.Result.Changed.Subscribe((v) => changes.Add(v));
changes.Count.Should().Be(1);
changes[0].Should().Be(10);
observableInstanceMethod.Result.GetValue().Should().Be(10);
instance.GetCallCount(methodInfo.Name).Should().Be(1);
var instance2 = new ExampleClass(20);
observableInstanceMethod.Instance.SetValue(instance2);
changes.Count.Should().Be(2);
changes[0].Should().Be(10);
changes[1].Should().Be(20);
observableInstanceMethod.Result.GetValue().Should().Be(20);
instance.GetCallCount(methodInfo.Name).Should().Be(1);
instance2.GetCallCount(methodInfo.Name).Should().Be(1);
}
public void ObservableInstanceMethodConstructorShouldInvokeMethodOnInstance()
{
var methodInfo = typeof(ExampleClass).GetMethod(
"PublicInstanceMethodNoParamsReturnInt32",
BindingFlags.Public | BindingFlags.Instance | BindingFlags.Static);
var instance = new ExampleClass(10);
var observableInstanceMethod = new ObservableInstanceMethod <ExampleClass, Int32>(instance, methodInfo);
observableInstanceMethod.Result.GetValue().Should().Be(10);
instance.GetCallCount(methodInfo.Name).Should().Be(1);
}
