public void SubArraysWithKDistinct_AllUnique_Kis1_SizeOfSource(int k, int delta)
{
var sut = new P0992SubArray();
var size = 20_000;
var source = Enumerable.Range(1, size).ToArray();
sut.SubarraysWithKDistinct(source, k).Should().Be(size - delta);
}
public void SubArraysWithKDistinct_AllTheSame_Kis1_15()
{
var sut = new P0992SubArray();
var source = Enumerable.Repeat(1, 5).ToArray();
sut.SubarraysWithKDistinct(source, 1)
.Should()
.Be(15, "all possible consequent sub array fits in");
}
public void SubArraysWithKDistinct_AllTheSame_Kis2_Zero()
{
var sut = new P0992SubArray();
var source = Enumerable.Repeat(1, 5).ToArray();
sut.SubarraysWithKDistinct(source, 2)
.Should()
.Be(0, "source contains the same number repeated several times," +
" while sub arrays should have exactly 2 different integers");
}
