public void FindModeTest3()
{
ModeInBinaryTree modeInBinaryTree = new ModeInBinaryTree();
TreeNode node = new TreeNode(2147483647);
int[] res = modeInBinaryTree.FindMode2(node);
Assert.IsTrue(res[0] == 2147483647);
}
public void FindModeTest()
{
ModeInBinaryTree modeInBinaryTree = new ModeInBinaryTree();
TreeNode node2l = new TreeNode(2);
TreeNode node1r = new TreeNode(2, node2l, null);
TreeNode node = new TreeNode(1, null, node1r);
int[] res = modeInBinaryTree.FindMode2(node);
Assert.IsTrue(res[0] == 2);
}