public void TestWithOneElementArray()
{
var result = new Permutations_46().Permute(new[] { 1 });
Assert.Equal(1, result.Count);
foreach (var l in result)
{
Assert.Equal(1, l.Count);
}
Assert.Equal(1, result[0][0]);
}
public void Test()
{
var result = new Permutations_46().Permute(new[] { 1, 2, 3 });
Assert.Equal(6, result.Count);
foreach (var l in result)
{
Assert.Equal(3, l.Count);
}
Assert.Contains(result, a => a[0] == 1 && a[1] == 2 && a[2] == 3);
Assert.Contains(result, a => a[0] == 1 && a[1] == 3 && a[2] == 2);
Assert.Contains(result, a => a[0] == 2 && a[1] == 1 && a[2] == 3);
Assert.Contains(result, a => a[0] == 2 && a[1] == 3 && a[2] == 1);
Assert.Contains(result, a => a[0] == 3 && a[1] == 2 && a[2] == 1);
Assert.Contains(result, a => a[0] == 3 && a[1] == 1 && a[2] == 2);
}
public void TestWithEmptyArray()
{
var result = new Permutations_46().Permute(new int[0]);
Assert.Equal(0, result.Count);
}
