public void SetProperty_should_add_value_to_store()
{
object instance = new object();
var store = AttachedPropertyStore.FromValue(instance);
store.SetProperty(Prop, instance);
Assert.True(store.TryGetProperty(Prop, out _));
}
public void FromValue_should_create_reusable_store()
{
object instance = new object();
var store1 = AttachedPropertyStore.FromValue(instance);
var store2 = AttachedPropertyStore.FromValue(instance);
Assert.Same(store1, store2);
}
public void TryGetProperty_should_retrieve_value()
{
object instance = new object();
var store = AttachedPropertyStore.FromValue(instance);
store.SetProperty(Prop, instance);
store.TryGetProperty(Prop, out var result);
Assert.Same(instance, result);
}
public void GetEnumerator_should_contain_contents()
{
object instance = new object();
var store = AttachedPropertyStore.FromValue(instance);
store.SetProperty(Prop, instance);
Assert.Equal(new [] {
KeyValuePair.Create(Prop, instance),
}, store.ToArray());
}
public void FromValue_should_throw_on_missing_argument()
{
Assert.Throws <ArgumentNullException>(
() => AttachedPropertyStore.FromValue(null)
);
}