public void PropertyChangedSenderIsCorrectObject()
{
var notifyObject = new ObservableMock();
object sender = null;
notifyObject.PropertyChanged += (s, e) => sender = s;
notifyObject.NotifyProp = "test";
Assert.AreSame(notifyObject, sender);
}
public void PropertyChangedEventArgsHasCorrectPropertyName()
{
var notifyObject = new ObservableMock();
string propertyName = null;
notifyObject.PropertyChanged += (s, e) => propertyName = e.PropertyName;
notifyObject.NotifyProp = "test";
Assert.AreEqual("NotifyProp", propertyName);
}
public void PropertyChangedEventArgsHasOverriddenPropertyName()
{
var notifyObject = new ObservableMock();
string overriddenName = null;
notifyObject.PropertyChanged += (s, e) => overriddenName = e.PropertyName;
notifyObject.NotifyPropOverride = "test";
Assert.AreEqual("OverriddenName", overriddenName);
}
public void PropertyChangedRaisedWhenPropertyChanges()
{
var notifyObject = new ObservableMock();
var propertyChangedRaised = false;
notifyObject.PropertyChanged += (s, e) => propertyChangedRaised = true;
notifyObject.NotifyProp = "test";
Assert.IsTrue(propertyChangedRaised);
}
public void PropertyChangedNotRaisedIfNewValueEqualsOldValue()
{
var notifyObject = new ObservableMock();
var propertyChangedRaised = false;
notifyObject.NotifyProp = "test";
notifyObject.PropertyChanged += (s, e) => propertyChangedRaised = true;
notifyObject.NotifyProp = "test";
Assert.IsFalse(propertyChangedRaised);
}
