public void GetCombinations_TwoItemList()
{
Assert.Equal(new[] { Array.Empty <int>(), new[] { 2 }, new[] { 1 }, new[] { 1, 2 } }, TestCaseHelper.GetCombinations(1, 2));
}
public void GetCombinations_EmptyList()
{
Assert.Equal(new[] { Array.Empty <int>() }, TestCaseHelper.GetCombinations(Array.Empty <int>()).ToArray());
}
public void GetCombinations_OneItemList()
{
Assert.Equal(new[] { Array.Empty <int>(), new[] { 1 } }, TestCaseHelper.GetCombinations(1));
}