public void Calculate_Any_ShouldNotCreateEmptyGroups()
{
var numbers = new[] { 10d };
var unitUnderTest = new FrequencyDistribution(10);
var distribution = unitUnderTest.Calculate(numbers);
Assert.AreEqual(1, distribution.Keys.Count);
}
public void Calculate_MinusNumbers_ShouldApportionCorrectly()
{
var numbers = new[] { -10d };
var unitUnderTest = new FrequencyDistribution(10);
var distribution = unitUnderTest.Calculate(numbers);
Assert.AreEqual(1, distribution[new Tuple <double, double>(-10d, 0d)]);
}
public void Calculate_MultipleOccurences_ShouldApportionCorrectly()
{
var numbers = new[] { 9.9, 0, 1 };
var unitUnderTest = new FrequencyDistribution(10);
var distribution = unitUnderTest.Calculate(numbers);
Assert.AreEqual(3, distribution[new Tuple <double, double>(0d, 10d)]);
}
public void Calculate_HighDecimal_ShouldNotRoundUp()
{
var numbers = new[] { 9.9d };
var unitUnderTest = new FrequencyDistribution(10);
var distribution = unitUnderTest.Calculate(numbers);
Assert.AreEqual(1, distribution[new Tuple <double, double>(0d, 10d)]);
}
public void Calculate_BandingOfTwo_ShouldApportionCorrectly()
{
var numbers = new[] { -1d, 0d, 1d, 2d, 3d };
var unitUnderTest = new FrequencyDistribution(2);
var distribution = unitUnderTest.Calculate(numbers);
Assert.AreEqual(1, distribution[new Tuple <double, double>(-2d, 0d)]);
Assert.AreEqual(2, distribution[new Tuple <double, double>(0d, 2d)]);
Assert.AreEqual(2, distribution[new Tuple <double, double>(2d, 4d)]);
}