public void DistributeUniformRatioToLastIsCorrect()
{
Money amountToDistribute = 0.05M;
// two decimal places
var distributor = new MoneyDistributor(amountToDistribute, FractionReceivers.LastToFirst, RoundingPlaces.Two);
var distribution = distributor.Distribute(0.3M);
Assert.That(3, Is.EqualTo(distribution.Length));
Assert.That(new Money(0.01M), Is.EqualTo(distribution[0]));
Assert.That(new Money(0.02M), Is.EqualTo(distribution[1]));
Assert.That(new Money(0.02M), Is.EqualTo(distribution[2]));
// seven decimal places
distributor = new MoneyDistributor(amountToDistribute,
FractionReceivers.LastToFirst,
RoundingPlaces.Seven);
distribution = distributor.Distribute(0.3M);
Assert.That(3, Is.EqualTo(distribution.Length));
Assert.That(new Money(0.0166666M), Is.EqualTo(distribution[0]));
Assert.That(new Money(0.0166667M), Is.EqualTo(distribution[1]));
Assert.That(new Money(0.0166667M), Is.EqualTo(distribution[2]));
}
public void UniformDistributionMustBeBetween0And1()
{
var distributor = new MoneyDistributor(1.0M, FractionReceivers.LastToFirst, RoundingPlaces.Two);
Assert.Throws <ArgumentOutOfRangeException>(() => distributor.Distribute(0));
Assert.Throws <ArgumentOutOfRangeException>(() => distributor.Distribute(1.1M));
}
public void DistributeUniformRatioToLastIsCorrect()
{
System.Money amountToDistribute = 0.05M;
// two decimal places
MoneyDistributor distributor = new MoneyDistributor(amountToDistribute, FractionReceivers.LastToFirst, RoundingPlaces.Two);
System.Money[] distribution = distributor.Distribute(0.3M);
Assert.AreEqual(3, distribution.Length);
Assert.AreEqual(new System.Money(0.01M), distribution[0]);
Assert.AreEqual(new System.Money(0.02M), distribution[1]);
Assert.AreEqual(new System.Money(0.02M), distribution[2]);
// seven decimal places
distributor = new MoneyDistributor(amountToDistribute,
FractionReceivers.LastToFirst,
RoundingPlaces.Seven);
distribution = distributor.Distribute(0.3M);
Assert.AreEqual(3, distribution.Length);
Assert.AreEqual(new System.Money(0.0166666M), distribution[0]);
Assert.AreEqual(new System.Money(0.0166667M), distribution[1]);
Assert.AreEqual(new System.Money(0.0166667M), distribution[2]);
}
public void DistributeNonuniformRatiosToLastIsCorrect()
{
Money amountToDistribute = 0.05M;
var distributor = new MoneyDistributor(amountToDistribute, FractionReceivers.LastToFirst, RoundingPlaces.Two);
var distribution = distributor.Distribute(0.7M, 0.3M);
Assert.That(2, Is.EqualTo(distribution.Length));
Assert.That(0.03, Is.EqualTo(distribution[0]));
Assert.That(0.02, Is.EqualTo(distribution[1]));
}
public void should_distribute_properly()
{
var entries = new List<TestEntry>() {
new TestEntry(1),
new TestEntry(1),
new TestEntry(1),
}.AsEnumerable();
var adjustments = new MoneyDistributor<TestEntry>(entries)
.GetAdjustments(1, e => e.Total)
.ToList();
adjustments[0].Value.Should().Be(0.33M);
adjustments[1].Value.Should().Be(0.33M);
adjustments[2].Value.Should().Be(0.34M);
}
public void should_distribute_properly()
{
var entries = new List <TestEntry>()
{
new TestEntry(1),
new TestEntry(1),
new TestEntry(1),
}.AsEnumerable();
var adjustments = new MoneyDistributor <TestEntry>(entries)
.GetAdjustments(1, e => e.Total)
.ToList();
adjustments[0].Value.Should().Be(0.33M);
adjustments[1].Value.Should().Be(0.33M);
adjustments[2].Value.Should().Be(0.34M);
}
