public void Set_contains_self()
{
var result = new PerfectSum().Calculate(new[] { 8, 30, 20 }, 30);
result.Should().HaveCount(1);
result[0][0].Should().Be(30);
}
public void Sample_one()
{
var result = new PerfectSum().Calculate(new[] { 5, 10, 12, 13, 15, 18 }, 30);
result.Should().HaveCount(3);
result.Should().ContainSingle(x => x.Count == 2 && x[0] == 12 && x[1] == 18);
result.Should().ContainSingle(x => x.Count == 3 && x[0] == 5 && x[1] == 12 && x[2] == 13);
result.Should().ContainSingle(x => x.Count == 3 && x[0] == 5 && x[1] == 10 && x[2] == 15);
}
public void No_match_returns_empty_set()
{
var result = new PerfectSum().Calculate(new[] { 5, 10, 12, 13, 15, 18 }, 1);
result.Should().HaveCount(0);
}
