public void FindSecondMinimumValue_1()
{
var root = TestHelper.GenerateTree(new int?[] { 2, 2, 5, null, null, 5, 7 });
var solution = new _0671_SecondMinimumNodeInABinaryTree();
var result = solution.FindSecondMinimumValue(root);
Assert.AreEqual(5, result);
}
public void FindSecondMinimumValue_3()
{
var root = TestHelper.GenerateTree(new int?[] { 2, 2, int.MaxValue });
var solution = new _0671_SecondMinimumNodeInABinaryTree();
var result = solution.FindSecondMinimumValue(root);
Assert.AreEqual(2147483647, result);
}