public void ShouldSetCorrentEventArgsOnChanged()
{
var foo = new Foo();
foo.PropertyChanged += (sender, e) => Assert.AreEqual("Name", e.PropertyName);
NotifiableProperty.Set(foo, x => x.Name, "new name");
}
public void ShouldSetCorrentEventSenderOnChanged()
{
var foo = new Foo();
foo.PropertyChanged += (sender, e) => Assert.AreSame(foo, sender);
NotifiableProperty.Set(foo, x => x.Name, "new name");
}
public void ShouldReturnDefaultIfNoneStored()
{
var foo = new Foo();
var value = NotifiableProperty.Get(foo, x => x.Age);
Assert.AreEqual(0, value);
}
public void ShouldStoreValueForProperty()
{
var foo = new Foo();
NotifiableProperty.Set(foo, x => x.Name, "new name");
var value = NotifiableProperty.Get(foo, x => x.Name);
Assert.AreEqual("new name", value);
}
public void ShouldRaisePropertyChangingEvent()
{
var mock = this.Mocked <IDisposable>();
var foo = new Foo();
foo.PropertyChanging += (sender, e) => mock.Dispose();
NotifiableProperty.Set(foo, x => x.Name, "new name");
Mock.Get(mock).Verify(d => d.Dispose(), Times.Once());
}
public void ShouldDistinguishDifferentTargets()
{
var foo1 = new Foo();
var foo2 = new Foo();
NotifiableProperty.Set(foo1, x => x.Name, "new name");
NotifiableProperty.Set(foo2, x => x.Name, "old name");
var value1 = NotifiableProperty.Get(foo1, x => x.Name);
var value2 = NotifiableProperty.Get(foo2, x => x.Name);
Assert.AreEqual("new name", value1);
Assert.AreEqual("old name", value2);
}
public void ShouldRaiseEventsInCorrectOrder()
{
var callstack = new List <string>();
var foo = new Foo();
foo.PropertyChanging += (sender, e) => callstack.Add("Changing");
foo.PropertyChanged += (sender, e) => callstack.Add("Changed");
NotifiableProperty.Set(foo, x => x.Name, "new name");
Assert.AreElementsSame(
new[] { "Changing", "Changed" },
callstack
);
}
