Tests

src/main.rs

@@ -1,9 +1,22 @@
-use crate::formula::Formula;
+use crate::{formula::Formula, node::Node};
 
 mod formula;
 mod node;
+#[cfg(test)]
+mod tests;
 
 fn main() {
-    let formula = Formula::new();
-    dbg!(formula.run(vec![1f64]));
+    let mut formula = Formula::new();
+    formula
+        .modify_tree()
+        .insert_node(Node::function(|inputs| inputs.iter().sum(), Some(2)), None);
+    if let Err(x) = formula
+        .modify_tree()
+        .go_down(0)
+        .add_node(Node::number(1f64))
+    {
+        println!("{x}");
+    }
+    formula.display_tree();
+    let results = formula.run(vec![0f64, 1f64, 2f64, 3f64, 4f64, 5f64]);
 }