public void OnePosition_TotalValue()
{
double expectedAmount = 12345.67;
Position pos = new Position { SecurityIdentifier = "foo", Amount = expectedAmount };
Portfolio target = new Portfolio();
target.Positions.Add(pos);
Assert.AreEqual(expectedAmount, target.TotalValue);
}
public void TwoPositions_TotalValue()
{
Position posOne = new Position { SecurityIdentifier = "foo", Amount = 12345.67 };
Position posTwo = new Position { SecurityIdentifier = "bar", Amount = 23456.78 };
double expectedAmount = posOne.Amount + posTwo.Amount;
Portfolio target = new Portfolio();
target.Positions.Add(posOne);
target.Positions.Add(posTwo);
Assert.AreEqual(expectedAmount, target.TotalValue);
}
public void AddingPositionFiresPropertyChangedEvent()
{
Position posOne = new Position { SecurityIdentifier = "foo", Amount = 12345.67 };
Position posTwo = new Position { SecurityIdentifier = "bar", Amount = 23456.78 };
Portfolio target = new Portfolio();
target.Positions.Add(posOne);
List<string> propertyNames = new List<string>();
target.PropertyChanged += (s, e) =>
{
propertyNames.Add(e.PropertyName);
};
target.Positions.Add(posTwo);
Assert.AreEqual(1, propertyNames.Count(), "checking propertyNames Count");
Assert.IsTrue(propertyNames.Contains(String.Empty), "checking that propertyNames contains empty string");
}
public void ChangingPositionAmountInOldCollectionDoesNotFirePropertyChangedEvent()
{
Position posOne = new Position { SecurityIdentifier = "foo", Amount = 12345.67 };
Position posTwo = new Position { SecurityIdentifier = "bar", Amount = 23456.78 };
Position posThree = new Position { SecurityIdentifier = "bletch", Amount = 34567.89 };
ObservableCollection<Position> origPositions = new ObservableCollection<Position>{
posOne,
posTwo
};
ObservableCollection<Position> newPositions = new ObservableCollection<Position> { posThree };
Portfolio target = new Portfolio { Positions = origPositions };
target.Positions = newPositions;
List<string> propertyNames = new List<string>();
target.PropertyChanged += (s, e) =>
{
propertyNames.Add(e.PropertyName);
};
posOne.Amount = 45678.90;
Assert.AreEqual(0, propertyNames.Count(), "checking propertyNames Count");
}
public void ChangingRemovedPositionDoesNotFirePropertyChangedEvent()
{
Position posOne = new Position { SecurityIdentifier = "foo", Amount = 12345.67 };
Position posTwo = new Position { SecurityIdentifier = "bar", Amount = 23456.78 };
Portfolio target = new Portfolio();
target.Positions.Add(posOne);
target.Positions.Add(posTwo);
target.Positions.Remove(posTwo);
List<string> propertyNames = new List<string>();
target.PropertyChanged += (s, e) =>
{
propertyNames.Add(e.PropertyName);
};
posTwo.Amount = 34567.89;
Assert.AreEqual(0, propertyNames.Count(), "checking propertyNames Count");
}
public void ReplacingPositionsCollectionFiresPropertyChangedEvent()
{
Position posOne = new Position { SecurityIdentifier = "foo", Amount = 12345.67 };
Position posTwo = new Position { SecurityIdentifier = "bar", Amount = 23456.78 };
Position posThree = new Position { SecurityIdentifier = "bletch", Amount = 34567.89 };
ObservableCollection<Position> origPositions = new ObservableCollection<Position>{
posOne,
posTwo
};
ObservableCollection<Position> newPositions = new ObservableCollection<Position> { posThree };
Portfolio target = new Portfolio { Positions = origPositions };
List<string> propertyNames = new List<string>();
target.PropertyChanged += (s, e) =>
{
propertyNames.Add(e.PropertyName);
};
target.Positions = newPositions;
Assert.AreEqual(1, propertyNames.Count(), "checking propertyNames Count");
Assert.IsTrue(propertyNames.Contains(String.Empty), "checking that propertyNames contains String.Empty");
}
