public void GenUniqueBST()
{
TreeQ treeQ = new TreeQ();
var roots = treeQ.GenUniqueBST(3);
Assert.That(roots.Count == 5);
}
public void SizeCompletedTree()
{
Tree <int> tree = new Tree <int>
{
Root = new Tree <int> .Node(1)
{
//Left = new Tree<int>.Node(2)
//{
// Left = new Tree<int>.Node(3)
// {
// Left = new Tree<int>.Node(9),
// Right = new Tree<int>.Node(10),
// },
// Right = new Tree<int>.Node(4)
// {
// Left = new Tree<int>.Node(11),
// Right = new Tree<int>.Node(12)
// }
//},
//Right = new Tree<int>.Node(5)
//{
// Left = new Tree<int>.Node(6)
// {
// Left = new Tree<int>.Node(13),
// },
// Right = new Tree<int>.Node(7)
//}
}
};
TreeQ treeQ = new TreeQ();
Assert.IsTrue(treeQ.SizeCompleteBinaryTree(tree.Root) == 1);
}
public void MaxDepthTest()
{
var testClass = new TreeQ();
TreeNode input1 = null;
Assert.AreEqual(0, testClass.MaxDepth(input1), "Testcase 01 Failed");
input1 = new TreeNode(0);
Assert.AreEqual(1, testClass.MaxDepth(input1), "Testcase 02 Failed");
input1 = new TreeNode(0)
{
left = new TreeNode(1), right = new TreeNode(1)
};
Assert.AreEqual(2, testClass.MaxDepth(input1), "Testcase 03 Failed");
input1 = new TreeNode(0)
{
left = new TreeNode(1), right = new TreeNode(1)
{
left = new TreeNode(3), right = new TreeNode(3)
}
};
Assert.AreEqual(3, testClass.MaxDepth(input1), "Testcase 04 Failed");
input1 = new TreeNode(0)
{
right = new TreeNode(1), left = new TreeNode(1)
{
left = new TreeNode(3), right = new TreeNode(3)
}
};
Assert.AreEqual(3, testClass.MaxDepth(input1), "Testcase 05 Failed");
}
public static void InvertTree()
{
BST <int> bst = new BST <int>(int.MinValue, int.MaxValue)
{
Root = new Tree <int> .Node(10)
{
Left = new Tree <int> .Node(5)
{
Left = new Tree <int> .Node(2),
Right = new Tree <int> .Node(7)
{
Left = new Tree <int> .Node(6)
},
},
Right = new Tree <int> .Node(15)
{
Left = new Tree <int> .Node(12)
{
Right = new Tree <int> .Node(13)
},
Right = new Tree <int> .Node(17)
}
}
};
TreeQ treeQ = new TreeQ();
var root = treeQ.InvertTree(bst.Root);
}
public void IsSymeticTreeTest()
{
var testClass = new TreeQ();
var input1 = new TreeNode(0)
{
left = new TreeNode(1), right = new TreeNode(1)
};
Assert.AreEqual(true, testClass.IsSymmetric(input1), "Testcase 01 Failed");
input1 = new TreeNode(0)
{
left = new TreeNode(1), right = new TreeNode(1)
{
left = new TreeNode(3), right = new TreeNode(3)
}
};
Assert.AreEqual(false, testClass.IsSymmetric(input1), "Testcase 02 Failed");
input1 = new TreeNode(0)
{
right = new TreeNode(1), left = new TreeNode(1)
{
left = new TreeNode(3), right = new TreeNode(3)
}
};
Assert.AreEqual(false, testClass.IsSymmetric(input1), "Testcase 03 Failed");
input1 = new TreeNode(0)
{
right = new TreeNode(1), left = new TreeNode(2)
};
Assert.AreEqual(false, testClass.IsSymmetric(input1), "Testcase 04 Failed");
}
public void IsSameTreeTest()
{
var testClass = new TreeQ();
var input1 = new TreeNode(1)
{
left = new TreeNode(2), right = new TreeNode(3)
};
var input2 = new TreeNode(1)
{
left = new TreeNode(2), right = new TreeNode(3)
};
Assert.AreEqual(true, testClass.IsSameTree(input1, input2), "testcase 01 failed");
input1 = new TreeNode(1)
{
left = new TreeNode(2), right = new TreeNode(3)
};
input2 = new TreeNode(1)
{
left = new TreeNode(3), right = new TreeNode(2)
};
Assert.AreEqual(false, testClass.IsSameTree(input1, input2), "testcase 02 failed");
input1 = new TreeNode(1)
{
right = new TreeNode(3)
};
input2 = new TreeNode(1)
{
left = new TreeNode(3)
};
Assert.AreEqual(false, testClass.IsSameTree(input1, input2), "testcase 03 failed");
}
public void SortedArrayToBST()
{
List <int> list = new List <int>()
{
1, 2
};
var root = TreeQ.SortedArrayToBST(list);
}
public void LevelOrderBottomTest()
{
var TestClass = new TreeQ();
var input1 = new TreeNode(0)
{
left = new TreeNode(1), right = new TreeNode(1)
};
var output = TestClass.LevelOrderBottom(input1);
var oCol = output.SelectMany(x => x).ToList();
var expectedOutput = new List <int>()
{
1, 1, 0
};
CollectionAssert.AreEqual(expectedOutput, oCol, "Testcase 01 Failed");
TestClass.treeValueCol = new Dictionary <int, IList <int> >();
input1 = new TreeNode(0)
{
right = new TreeNode(1), left = new TreeNode(1)
{
left = new TreeNode(3), right = new TreeNode(3)
}
};
output = TestClass.LevelOrderBottom(input1);
oCol = oCol = output.SelectMany(x => x).ToList();
expectedOutput = new List <int>()
{
3, 3, 1, 1, 0
};
CollectionAssert.AreEqual(expectedOutput, oCol, "Testcase 02 Failed");
TestClass.treeValueCol = new Dictionary <int, IList <int> >();
input1 = new TreeNode(0)
{
right = new TreeNode(1)
{
left = new TreeNode(4), right = new TreeNode(5)
}, left = new TreeNode(1)
{
left = new TreeNode(3), right = new TreeNode(3)
}
};
output = TestClass.LevelOrderBottom(input1);
oCol = oCol = output.SelectMany(x => x).ToList();
expectedOutput = new List <int>()
{
3, 3, 4, 5, 1, 1, 0
};
CollectionAssert.AreEqual(expectedOutput, oCol, "Testcase 03 Failed");
}
public void ZigZag()
{
Tree <int> tree = new Tree <int>
{
Root = new Tree <int> .Node(1)
{
Left = new Tree <int> .Node(2)
{
Left = new Tree <int> .Node(3),
Right = new Tree <int> .Node(4),
},
Right = new Tree <int> .Node(5)
{
Right = new Tree <int> .Node(6)
}
}
};
var treeQ = new TreeQ();
var res = treeQ.ZigzagLevelOrder(tree.Root);
}
public static void BST()
{
// 10
// 5 15
// 2 7 12 17
// 6 13
BST <int> bst = new BST <int>(int.MinValue, int.MaxValue)
{
Root = new Tree <int> .Node(10)
{
Left = new Tree <int> .Node(5)
{
Left = new Tree <int> .Node(2),
Right = new Tree <int> .Node(7)
{
Left = new Tree <int> .Node(6)
},
},
Right = new Tree <int> .Node(15)
{
Left = new Tree <int> .Node(12)
{
Right = new Tree <int> .Node(13)
},
Right = new Tree <int> .Node(17)
}
}
};
TreeQ treeQ = new TreeQ();
Assert.That(treeQ.isValidBST(bst.Root) == true);
Assert.That(bst.MaxHeight() == 4);
Assert.That(bst.InOrder() == "2,5,6,7,10,12,13,15,17,");
Assert.That(bst.InOrderWithoutRecursive() == "2,5,6,7,10,12,13,15,17,");
Assert.That(bst.Search(13) != null);
Assert.That(bst.Search(100) == null);
Assert.That(bst.SearchRecurcive(13) != null);
Assert.That(bst.SearchRecurcive(100) == null);
var node = bst.Insert(1);
var node1 = bst.InsertRecurcive(3);
bst.InsertRecurcive(20);
bst.InsertRecurcive(25);
Assert.That(bst.MaxHeight() == 5);
// 4
// / \
// 2 5
// 1 5
BST <int> notBST = new BST <int>(int.MinValue, int.MaxValue)
{
Root = new Tree <int> .Node(4)
{
Left = new Tree <int> .Node(2)
{
Left = new Tree <int> .Node(1),
Right = new Tree <int> .Node(5),
},
Right = new Tree <int> .Node(5)
}
};
Assert.That(treeQ.isValidBST(notBST.Root) == false);
}
public void SortedArrayToBSTTest()
{
var testclass = new TreeQ();
var input = new int[] { -10, -3, 0, 5, 9 };
var output = testclass.SortedArrayToBST(input);
}