public void MultiplierProperty_ValidBaseValueAndMultiplier_ReturnsValueFromConstructor()
{
// Arrange
SegmentMultiplier expectedMultiplier = SegmentMultiplier.Triple;
// Act
Dart subject = new Dart(5, expectedMultiplier);
// Assert
Assert.AreEqual(expectedMultiplier, subject.Multiplier, "Multiplier was not the expected value");
}
public void MultiplierProperty_BaseValue0MultiplierNotMiss_ReturnsMiss()
{
// Arrange
SegmentMultiplier expectedMultiplier = SegmentMultiplier.Miss;
// Act
Dart subject = new Dart(0, SegmentMultiplier.Single);
// Assert
Assert.AreEqual(expectedMultiplier, subject.Multiplier, "Multiplier was not the expected value");
}
public void MultiplierProperty_BaseValue25MultiplierTriple_ReturnsDouble()
{
// Arrange
SegmentMultiplier expectedMultiplier = SegmentMultiplier.Double;
// Act
Dart subject = new Dart(25, SegmentMultiplier.Triple);
// Assert
Assert.AreEqual(expectedMultiplier, subject.Multiplier, "Multiplier was not the expected value");
}
/// <summary>
/// Creates an instance of a Dart.
/// </summary>
/// <param name="baseValue">The number of the dart board segment. Can be 0-20 or 25. If multiplier is set to Miss, BaseValue will always be set to 0</param>
/// <param name="multiplier">The scoring multiplier of the scoring area of the dart board segment. If BaseValue is set to 0, then Multiplier will be set to Miss</param>
public Dart(int baseValue, SegmentMultiplier multiplier)
{
if ((0 <= baseValue && 20 >= baseValue) || 25 == baseValue)
{
BaseValue = SegmentMultiplier.Miss == multiplier ? 0 : baseValue;
Multiplier = (0 == BaseValue && SegmentMultiplier.Miss != multiplier) ? SegmentMultiplier.Miss :
(25 == BaseValue && SegmentMultiplier.Triple == multiplier) ? SegmentMultiplier.Double : multiplier;
}
else
{
throw new ArgumentOutOfRangeException("baseValue", "baseValue must be 0 - 20 or 25");
}
}
