public void Contains_NonEmptyTree_ReturnsCorrectAnswer()
{
var tree = new AaTree <int>();
tree.AddRange(new[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 });
tree.Contains(6).Should().BeTrue();
tree.Contains(999).Should().BeFalse();
}
public void Remove_MultipleKeys_TreeStillValid()
{
var tree = new AaTree <int>();
tree.AddRange(new[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 });
Remove(4).Should().NotThrow();
tree.Contains(4).Should().BeFalse();
tree.Count.Should().Be(9);
Remove(8).Should().NotThrow();
tree.Contains(8).Should().BeFalse();
tree.Count.Should().Be(8);
Remove(1).Should().NotThrow();
tree.Contains(1).Should().BeFalse();
tree.Count.Should().Be(7);
Validate(tree.Root);
Action Remove(int x) => () => tree.Remove(x);
}
public void Add_MultipleKeys_FormsCorrectTree()
{
var tree = new AaTree <int>();
foreach (var elem in new[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 })
{
tree.Add(elem);
tree.Count.Should().Be(elem);
tree.Contains(elem).Should().BeTrue();
}
tree.GetKeysInOrder().SequenceEqual(new[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }).Should().BeTrue();
tree.GetKeysPostOrder().SequenceEqual(new[] { 1, 3, 2, 5, 7, 10, 9, 8, 6, 4 }).Should().BeTrue();
Validate(tree.Root);
}
public void Contains_EmptyTree_ReturnsFalse()
{
var tree = new AaTree <int>();
tree.Contains(999).Should().BeFalse();
}