Update tests

benches/recurse.rs

@@ -0,0 +1,35 @@
+#![feature(test)]
+extern crate rustijvm;
+extern crate test;
+
+use std::sync::{Arc, Mutex};
+use std::io::Cursor;
+use test::Bencher;
+
+fn run_calc(input: &'static str) {
+    let rc = Arc::new(Mutex::new(Cursor::new(Vec::new())));
+    let mut machine = rustijvm::Machine::new_from_file("files/advanced/SimpleCalc.ijvm").unwrap();
+    machine.set_output(rc);
+    machine.set_input(Box::new(input.as_bytes()));
+    machine.run().unwrap();
+}
+
+#[bench]
+fn factorial_2(b: &mut Bencher) {
+    b.iter(|| run_calc("2!?."));
+}
+
+#[bench]
+fn factorial_5(b: &mut Bencher) {
+    b.iter(|| run_calc("5!?."));
+}
+
+#[bench]
+fn factorial_7(b: &mut Bencher) {
+    b.iter(|| run_calc("7!?."));
+}
+
+#[bench]
+fn factorial_10(b: &mut Bencher) {
+    b.iter(|| run_calc("10!?."));
+}