public void CalculateDistinctSlices_Overlap_Corect()
{
var input = new int[] { 3, 4, 1, 2, 0, 1, 7, 8, 9 };
var number = new CountDistinctSlices().CalculateDistinctSlices(input);
number.Should().Be(15 + 21 - 3);
}
public void CalculateDistinctSlices_WithMaxMin_ArithmeticSum()
{
var input = new int[] { int.MaxValue, int.MinValue, 0, 3 };
var number = new CountDistinctSlices().CalculateDistinctSlices(input);
number.Should().Be(input.Length * (input.Length + 1) / 2);
}
public void CalculateDistinctSlices_TwoIdentical_2()
{
var input = new int[] { 1, 1 };
var number = new CountDistinctSlices().CalculateDistinctSlices(input);
number.Should().Be(2);
}
public void CalculateDistinctSlices_101_5()
{
var input = new int[] { 1, 0, 1 };
var number = new CountDistinctSlices().CalculateDistinctSlices(input);
number.Should().Be(5);
}
public void CalculateDistinctSlices_One_One()
{
var input = new int[] { 1 };
var number = new CountDistinctSlices().CalculateDistinctSlices(input);
number.Should().Be(input.Length * (input.Length + 1) / 2);
}
public void CalculateDistinctSlices_AllDifferent_ArithmeticSum()
{
var input = new int[] { 1, 2, 3, 4, 5 };
var number = new CountDistinctSlices().CalculateDistinctSlices(input);
number.Should().Be(input.Length * (input.Length + 1) / 2);
}
public void CalculateDistinctSlices_AllTheSame_LengthOfTheInput()
{
var input = new int[] { 1, 1, 1, 1 };
var number = new CountDistinctSlices().CalculateDistinctSlices(input);
number.Should().Be(input.Length);
}
public void CalculateDistinctSlices_Empty_0()
{
var input = new int[0];
var number = new CountDistinctSlices().CalculateDistinctSlices(input);
number.Should().Be(0);
}
public void CalculateDistinctSlices_Sample_9()
{
var input = new int[] { 3, 4, 5, 5, 2 };
var number = new CountDistinctSlices().CalculateDistinctSlices(input);
number.Should().Be(9);
}
public void CalculateDistinctSlices_Random_SomeResult()
{
var random = new Random(DateTime.Now.Millisecond);
var input = Enumerable.Range(1, 20).Select(n => random.Next(1, 10)).ToArray();
var number = new CountDistinctSlices().CalculateDistinctSlices(input);
number.Should().BeGreaterThan(30);
}
