public void PlusOperatorCorrectlyIncreasesVolAndPrice()
{
// Arrange
var price1 = 10;
var price2 = 20;
var volume1 = 10;
var volume2 = 10;
var tested = new OpenedPosition {
Price = price1, Volume = volume1
};
var tested2 = new OpenedPosition {
Price = price2, Volume = volume2
};
// Act
tested += tested2;
// Assert
Assert.AreEqual(15, tested.Price);
Assert.AreEqual(20, tested.Volume);
}
public void DecreaseThrowsWhenVolumeLessThenOvned()
{
// Arrange
var price1 = 10;
var volume1 = 10;
var volume2 = 20;
var tested = new OpenedPosition {
Price = price1, Volume = volume1
};
// Act & Assert
Assert.Throws <ArgumentOutOfRangeException>(() => tested.Decrease(volume2));
}
public void DecreaseCorrectlyDecreasesVolWhenNotAllSold()
{
// Arrange
var price1 = 10;
var volume1 = 20;
var volume2 = 10;
var tested = new OpenedPosition {
Price = price1, Volume = volume1
};
// Act
tested.Decrease(volume2);
// Assert
Assert.AreEqual(price1, tested.Price);
Assert.AreEqual(10, tested.Volume);
}
public void IncreaseCorrectlyIncreasesVolAndPrice()
{
// Arrange
var price1 = 10;
var price2 = 20;
var volume1 = 10;
var volume2 = 10;
var tested = new OpenedPosition {
Price = price1, Volume = volume1
};
// Act
tested.Increase(volume2, price2);
// Assert
Assert.AreEqual(15, tested.Price);
Assert.AreEqual(20, tested.Volume);
}
