public void BinarySearchTree_01_Insert_07_After13UnorderedInserts_ToInfixStringCorrect()
{
// Arrange
IBinarySearchTree <int> tree = DSBuilder.CreateBinarySearchTreeIntEmpty();
string expected = "[ [ NIL 3 [ [ NIL 7 NIL ] 8 [ NIL 12 NIL ] ] ] 17 [ [ NIL 24 NIL ] 26 [ NIL 32 [ [ NIL 34 [ [ NIL 37 NIL ] 42 NIL ] ] 45 [ NIL 50 NIL ] ] ] ] ]";
// Act
tree.Insert(17);
tree.Insert(3);
tree.Insert(26);
tree.Insert(8);
tree.Insert(24);
tree.Insert(32);
tree.Insert(7);
tree.Insert(12);
tree.Insert(45);
tree.Insert(34);
tree.Insert(50);
tree.Insert(42);
tree.Insert(37);
string actual = tree.ToInfixString();
// Assert
Assert.AreEqual(expected, actual);
}
public void BinarySearchTree_03_RemoveMin_01_OnEmptyTree()
{
// Arrange
IBinarySearchTree <int> tree = DSBuilder.CreateBinarySearchTreeIntEmpty();
// Act & Assert
Assert.Throws(typeof(BinarySearchTreeEmptyException), () => tree.RemoveMin());
}
public void BinarySearchTree_04_Remove_01_OnEmptyTree()
{
// Arrange
IBinarySearchTree <int> tree = DSBuilder.CreateBinarySearchTreeIntEmpty();
// Act & Assert
Assert.Throws(typeof(BinarySearchTreeElementNotFoundException), () => tree.Remove(1));
}
public void BinarySearchTree_05_ToString_01_OnEmptyTree()
{
// Arrange
IBinarySearchTree <int> tree = DSBuilder.CreateBinarySearchTreeIntEmpty();
string expected = "";
// Act
string actual = tree.ToString();
// Assert
Assert.AreEqual(expected, actual);
}
public void BinarySearchTree_01_Insert_03_After1Insert_HeightEquals0()
{
// Arrange
IBinarySearchTree <int> tree = DSBuilder.CreateBinarySearchTreeIntEmpty();
int expected = 0;
// Act
tree.Insert(3);
int actual = tree.Height();
// Assert
Assert.AreEqual(expected, actual);
}
public void BinarySearchTree_01_Insert_02_After1Insert_SizeEquals1()
{
// Arrange
IBinarySearchTree <int> tree = DSBuilder.CreateBinarySearchTreeIntEmpty();
int expected = 1;
// Act
tree.Insert(3);
int actual = tree.Size();
// Assert
Assert.AreEqual(expected, actual);
}
public void BinarySearchTree_01_Insert_01_After1Insert_IsEmptyReturnsFalse()
{
// Arrange
IBinarySearchTree <int> tree = DSBuilder.CreateBinarySearchTreeIntEmpty();
bool expected = false;
// Act
tree.Insert(3);
bool actual = tree.IsEmpty();
// Assert
Assert.AreEqual(expected, actual);
}
public void BinarySearchTree_01_Insert_06_After3UnorderedInserts_ToInfixStringCorrect()
{
// Arrange
IBinarySearchTree <int> tree = DSBuilder.CreateBinarySearchTreeIntEmpty();
string expected = "[ [ NIL 1 NIL ] 2 [ NIL 3 NIL ] ]";
// Act
tree.Insert(2);
tree.Insert(1);
tree.Insert(3);
string actual = tree.ToInfixString();
// Assert
Assert.AreEqual(expected, actual);
}