public void TestWithSingleNodeTree()
{
var algo = new BinaryTreePaths_257();
var root = new TreeNode(10);
var result = algo.BinaryTreePaths(root);
Assert.Single(result);
Assert.Equal("10", result[0]);
}
public void TestWithNormalTree()
{
var algo = new BinaryTreePaths_257();
var root = new TreeNode(10)
{
left = new TreeNode(2)
{
right = new TreeNode(5)
},
right = new TreeNode(3)
};
var result = algo.BinaryTreePaths(root);
Assert.Equal(2, result.Count);
Assert.True(result.ContainsSameElement(new[] { "10->2->5", "10->3" }));
}
