public void TakeOffWeight_ValueChanges_RaisesNotifyPropertyChangedEvent()
{
// Setup
var data = new AircraftData();
var viewModel = new AircraftDataTabViewModel(data);
bool propertyChangedTriggered = false;
PropertyChangedEventArgs eventArgs = null;
viewModel.PropertyChanged += (o, e) =>
{
propertyChangedTriggered = true;
eventArgs = e;
};
var random = new Random(21);
double newValue = random.NextDouble();
// Call
viewModel.TakeOffWeight = newValue;
// Assert
Assert.That(propertyChangedTriggered, Is.True);
Assert.That(eventArgs, Is.Not.Null);
Assert.That(eventArgs.PropertyName, Is.EqualTo(nameof(AircraftDataTabViewModel.TakeOffWeight)));
Assert.That(data.TakeOffWeight, Is.EqualTo(newValue));
}
public static void Constructor_ExpectedValues()
{
// Setup
var data = new AircraftData();
// Call
var viewModel = new AircraftDataTabViewModel(data);
// Assert
Assert.That(viewModel, Is.InstanceOf <ITabViewModel>());
Assert.That(viewModel, Is.InstanceOf <ViewModelBase>());
Assert.That(viewModel.TabName, Is.EqualTo("Aircraft data"));
Assert.That(viewModel.TakeOffWeight, Is.EqualTo(data.TakeOffWeight));
Assert.That(viewModel.PitchGradient, Is.EqualTo(data.PitchGradient));
Assert.That(viewModel.MaximumPitchAngle, Is.EqualTo(data.MaximumPitchAngle));
Assert.That(viewModel.WingSurfaceArea, Is.EqualTo(data.WingSurfaceArea));
Assert.That(viewModel.AspectRatio, Is.EqualTo(data.AspectRatio));
Assert.That(viewModel.OswaldFactor, Is.EqualTo(data.OswaldFactor));
Assert.That(viewModel.MaximumLiftCoefficient, Is.EqualTo(data.MaximumLiftCoefficient));
Assert.That(viewModel.LiftCoefficientGradient, Is.EqualTo(data.LiftCoefficientGradient));
Assert.That(viewModel.ZeroLiftAngleOfAttack, Is.EqualTo(data.ZeroLiftAngleOfAttack));
Assert.That(viewModel.RestDragCoefficientWithEngineFailure, Is.EqualTo(data.RestDragCoefficientWithEngineFailure));
Assert.That(viewModel.RestDragCoefficient, Is.EqualTo(data.RestDragCoefficient));
Assert.That(viewModel.RollResistanceCoefficient, Is.EqualTo(data.RollResistanceCoefficient));
Assert.That(viewModel.RollResistanceWithBrakesCoefficient, Is.EqualTo(data.RollResistanceWithBrakesCoefficient));
}
private static void AssertAircraftData(AircraftDataTabViewModel expected,
AircraftData actual)
{
Assert.That(actual.TakeOffWeight, Is.EqualTo(expected.TakeOffWeight));
Assert.That(actual.PitchGradient, Is.EqualTo(expected.PitchGradient));
Assert.That(actual.MaximumPitchAngle, Is.EqualTo(expected.MaximumPitchAngle));
Assert.That(actual.WingSurfaceArea, Is.EqualTo(expected.WingSurfaceArea));
Assert.That(actual.AspectRatio, Is.EqualTo(expected.AspectRatio));
Assert.That(actual.OswaldFactor, Is.EqualTo(expected.OswaldFactor));
Assert.That(actual.MaximumLiftCoefficient, Is.EqualTo(expected.MaximumLiftCoefficient));
Assert.That(actual.LiftCoefficientGradient, Is.EqualTo(expected.LiftCoefficientGradient));
Assert.That(actual.ZeroLiftAngleOfAttack, Is.EqualTo(expected.ZeroLiftAngleOfAttack));
Assert.That(actual.RestDragCoefficientWithEngineFailure, Is.EqualTo(expected.RestDragCoefficientWithEngineFailure));
Assert.That(actual.RestDragCoefficient, Is.EqualTo(expected.RestDragCoefficient));
Assert.That(actual.RollResistanceCoefficient, Is.EqualTo(expected.RollResistanceCoefficient));
Assert.That(actual.RollResistanceWithBrakesCoefficient, Is.EqualTo(expected.RollResistanceWithBrakesCoefficient));
}
private static void SetAircraftData(AircraftDataTabViewModel viewModel, int seed)
{
var random = new Random(seed);
viewModel.TakeOffWeight = random.NextDouble();
viewModel.PitchGradient = random.NextAngle();
viewModel.MaximumPitchAngle = random.NextAngle();
viewModel.WingSurfaceArea = random.NextDouble();
viewModel.AspectRatio = random.NextDouble();
viewModel.OswaldFactor = random.NextDouble();
viewModel.MaximumLiftCoefficient = random.NextDouble();
viewModel.LiftCoefficientGradient = random.NextDouble();
viewModel.ZeroLiftAngleOfAttack = random.NextAngle();
viewModel.RestDragCoefficient = random.NextDouble();
viewModel.RestDragCoefficientWithEngineFailure = random.NextDouble() + viewModel.RestDragCoefficient;
viewModel.RollResistanceCoefficient = random.NextDouble();
viewModel.RollResistanceWithBrakesCoefficient = random.NextDouble() + viewModel.RollResistanceCoefficient;
}
