public void GettingValueAfterSettingShouldReturnSameValue()
{
var control = new ControlStub();
var expected = "Something";
ControlStub.SomeStringProperty.SetValue(control, expected);
var actual = ControlStub.SomeStringProperty.GetValue(control);
Assert.That(actual,Is.EqualTo(expected));
}
public void SettingValueShouldFirePropertyChangedEvent()
{
var control = new ControlStub();
var eventFired = false;
control.PropertyChanged += (s, e) => eventFired = true;
ControlStub.SomeStringProperty.SetValue(control,"Something");
Assert.That(eventFired,Is.True);
}
public void SettingValueShouldSetItInDependencyObjectPropertyBag()
{
var control = new ControlStub();
var expected = "Something";
ControlStub.SomeStringProperty.SetValue(control,expected);
var actual = control.GetValue(ControlStub.SomeStringProperty.ActualDependencyProperty);
Assert.That(actual,Is.EqualTo(expected));
}
public void SettingValueToNullAfterIthasBeenSetToSomethingElseShouldFirePropertyChangedEvent()
{
var control = new ControlStub();
var eventFireCount = 0;
var valueToSet = "Something";
ControlStub.SomeStringProperty.SetValue(control, valueToSet);
control.PropertyChanged += (s, e) => eventFireCount++;
ControlStub.SomeStringProperty.SetValue(control, null);
Assert.That(eventFireCount, Is.EqualTo(1));
}
public void SettingSameValueTwiceShouldFirePropertyChangedEventOnce()
{
var control = new ControlStub();
var eventFireCount = 0;
control.PropertyChanged += (s, e) => eventFireCount++;
var valueToSet = "Something";
ControlStub.SomeStringProperty.SetValue(control, valueToSet);
ControlStub.SomeStringProperty.SetValue(control, valueToSet);
Assert.That(eventFireCount, Is.EqualTo(1));
}
public void SettingValueInOtherThreadShouldSetValue()
{
var control = new ControlStub();
var expected = "Something";
var waitEvent = new ManualResetEvent(false);
var thread = new Thread(() =>
{
ControlStub.SomeStringProperty.SetValue(control, expected);
waitEvent.Set();
});
thread.Start();
waitEvent.WaitOne();
var actual = ControlStub.SomeStringProperty.GetValue(control);
Assert.That(actual,Is.EqualTo(expected));
}
