benchmarks

benches/brainfuck.rs

@@ -0,0 +1,37 @@
+#![feature(test)]
+extern crate rustijvm;
+extern crate test;
+
+use std::fs::File;
+use std::rc::Rc;
+use std::sync::Mutex;
+use std::io::{Cursor, Seek, SeekFrom, Read};
+use test::Bencher;
+
+fn run_bfi(file: &str) -> String {
+    let file = File::open(file).expect("Missing bf file");
+    let rc = Rc::new(Mutex::new(Cursor::new(Vec::new())));
+    let mut machine = rustijvm::Machine::new_from_file("files/bonus/bfi.ijvm").unwrap();
+    machine.set_output(rc.clone());
+    machine.set_input(Box::new(file));
+
+    machine.run().unwrap();
+
+    let mut out = rc.lock().unwrap();
+    let mut string = String::new();
+
+    out.seek(SeekFrom::Start(0)).unwrap();
+    out.read_to_string(&mut string).unwrap();
+
+    string
+}
+
+#[bench]
+fn bench_bf_hello_world(b: &mut Bencher) {
+    b.iter(|| run_bfi("files/bonus/brainfuck/hello_world.bf"));
+}
+
+#[bench]
+fn bench_bf_dank(b: &mut Bencher) {
+    b.iter(|| run_bfi("files/bonus/brainfuck/dank.bf"));
+}