public void Case1()
{
var root = new TreeNode(1);
var sol = new AllBinaryTreePaths();
var allPaths = sol.BinaryTreePaths(root);
Assert.Equal("1", allPaths[0]);
}
public void Case0()
{
var root = new TreeNode(1);
root.left = new TreeNode(2);
root.right = new TreeNode(3);
root.left.right = new TreeNode(5);
var sol = new AllBinaryTreePaths();
var allPaths = sol.BinaryTreePaths(root);
Assert.Equal("1->2->5", allPaths[0]);
Assert.Equal("1->3", allPaths[1]);
}
