public void RaisePropertyChanged_WithExpressionAndMessage_ShouldCallRaisePropertyChangedWithStringAndWithExpression()
{
var testObject = new TestViewModelForPropertyChanged();
var eventWasRaised = false;
var messageWasReceived = false;
testObject.PropertyChanged += (s, e) =>
{
if (e.PropertyName == "BoolPropertyWithExpressionAndMessage")
{
eventWasRaised = true;
}
};
Messenger.Default.Register<PropertyChangedMessage<bool>>(
this,
message =>
{
if (message.PropertyName == "BoolPropertyWithExpressionAndMessage"
&& message.Sender == testObject)
{
messageWasReceived = true;
}
});
Assert.IsFalse(testObject.BoolPropertyWithExpressionAndMessage);
testObject.BoolPropertyWithExpressionAndMessage = true;
Assert.IsTrue(testObject.BoolPropertyWithExpressionAndMessage);
Assert.IsTrue(eventWasRaised);
Assert.IsTrue(messageWasReceived);
Assert.IsTrue(testObject.RaisePropertyChangedWithPropertyNameWasCalled);
Assert.IsTrue(testObject.RaisePropertyChangedWithExpressionWasCalled);
}
public void RaisePropertyChanged_WithExpressionAndMessage_ShouldCallRaisePropertyChangedWithStringAndWithExpression()
{
var testObject = new TestViewModelForPropertyChanged();
var eventWasRaised = false;
var messageWasReceived = false;
testObject.PropertyChanged += (s, e) =>
{
if (e.PropertyName == "BoolPropertyWithExpressionAndMessage")
{
eventWasRaised = true;
}
};
Messenger.Default.Register <PropertyChangedMessage <bool> >(
this,
message =>
{
if (message.PropertyName == "BoolPropertyWithExpressionAndMessage" &&
message.Sender == testObject)
{
messageWasReceived = true;
}
});
Assert.IsFalse(testObject.BoolPropertyWithExpressionAndMessage);
testObject.BoolPropertyWithExpressionAndMessage = true;
Assert.IsTrue(testObject.BoolPropertyWithExpressionAndMessage);
Assert.IsTrue(eventWasRaised);
Assert.IsTrue(messageWasReceived);
Assert.IsTrue(testObject.RaisePropertyChangedWithPropertyNameWasCalled);
Assert.IsTrue(testObject.RaisePropertyChangedWithExpressionWasCalled);
}
public void RaisePropertyChanged_WithExpression_ShouldCallRaisePropertyChangedWithStringAndWithExpression()
{
var testObject = new TestViewModelForPropertyChanged();
var eventWasRaised = false;
testObject.PropertyChanged += (s, e) =>
{
if (e.PropertyName == "BoolPropertyWithExpression")
{
eventWasRaised = true;
}
};
Assert.IsFalse(testObject.BoolPropertyWithExpression);
testObject.BoolPropertyWithExpression = true;
Assert.IsTrue(testObject.BoolPropertyWithExpression);
Assert.IsTrue(eventWasRaised);
Assert.IsTrue(testObject.RaisePropertyChangedWithPropertyNameWasCalled);
Assert.IsTrue(testObject.RaisePropertyChangedWithExpressionWasCalled);
}
public void RaisePropertyChanged_WithSetAndExpression_ShouldCallRaisePropertyChangedWithStringAndWithExpression()
{
var testObject = new TestViewModelForPropertyChanged();
var eventWasRaised = false;
testObject.PropertyChanged += (s, e) =>
{
if (e.PropertyName == "BoolPropertyWithSetAndExpression")
{
eventWasRaised = true;
}
};
Assert.IsFalse(testObject.BoolPropertyWithSetAndExpression);
testObject.BoolPropertyWithSetAndExpression = true;
Assert.IsTrue(testObject.BoolPropertyWithSetAndExpression);
Assert.IsTrue(eventWasRaised);
Assert.IsTrue(testObject.RaisePropertyChangedWithPropertyNameWasCalled);
Assert.IsTrue(testObject.RaisePropertyChangedWithExpressionWasCalled);
}
