public void BinaryTree_LevelOrder_Should_Pass()
{
var root = this.CreateTestTree();
var t = new BinaryTree <int>(root);
var result = t.Traverse(TraverseType.LevelOrder);
result.Should().NotBeNull("result should not be null.");
result.Count.Should().Be(7, "Incorrect number of items in result.");
List <int> expected = new List <int> {
1, 2, 3, 4, 5, 6, 7
};
for (int i = 0; i < 7; i++)
{
result[i].Should().Be(expected[i], "Incorrect result at position {0}", i);
}
}