public static IEnumerable <object[]> GetCases()
{
var root = new BinaryTreeNode(1);
yield return(new object[] { true, root });
var root0 = new BinaryTreeNode(1);
root0.InsertLeft(2);
yield return(new object[] { false, root0 });
var root01 = new BinaryTreeNode(1).InsertRight(3);
yield return(new object[] { true, root01 });
var root02 = new BinaryTreeNode(2);
root02.InsertLeft(1);
root02.InsertRight(10);
yield return(new object[] { true, root02 });
var root2 = new BinaryTreeNode(4);
var l1 = root2.InsertLeft(2);
var r1 = root2.InsertRight(6);
l1.InsertLeft(1);
l1.InsertRight(3);
r1.InsertLeft(5);
r1.InsertRight(7);
yield return(new object[] { true, root2 });
var root3 = new BinaryTreeNode(4);
root3.InsertLeft(2).InsertLeft(1);
root3.InsertRight(5);
yield return(new object[] { true, root3 });
var root4 = new BinaryTreeNode(50);
var l4 = root4.InsertLeft(30);
var r4 = root4.InsertRight(80);
l4.InsertLeft(20);
l4.InsertRight(60);
r4.InsertLeft(70);
r4.InsertRight(90);
yield return(new object[] { false, root4 });
}
public static IEnumerable <object[]> GetTrueCases()
{
var root = new BinaryTreeNode(1);
yield return(new object[] { true, root });
root.InsertLeft(2);
yield return(new object[] { true, root });
root.InsertRight(3);
yield return(new object[] { true, root });
var root2 = new BinaryTreeNode(1);
root2.InsertLeft(2).InsertLeft(3);
yield return(new object[] { false, root2 });
var root3 = new BinaryTreeNode(1);
root3.InsertLeft(2).InsertLeft(3);
root3.InsertRight(5);
yield return(new object[] { true, root3 });
}