micro benchmarks work

benchmarks/micro/src/lib.rs

@@ -1,31 +1,12 @@
-#![feature(test)]
+use rusqlite::ffi::sqlite3_auto_extension;
 
-extern crate test;
-
-pub fn add_two(a: i32) -> i32 {
-    a + 2
+#[link(name = "sqlite_vec0")]
+extern "C" {
+    pub fn sqlite3_vec_init();
 }
 
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use rusqlite::Connection;
-    use test::Bencher;
-
-    #[test]
-    fn it_works() {
-        assert_eq!(4, add_two(2));
-    }
-
-    #[bench]
-    fn bench_add_two(b: &mut Bencher) {
-        let db = Connection::open_in_memory().unwrap();
-        let v: Vec<f32> = vec![0.1, 0.2, 0.3];
-
-        b.iter(|| {
-            let sqlite_version: String = db
-                .query_row("select sqlite_version()", [], |x| x.get(0))
-                .unwrap();
-        });
+pub fn init_vec() {
+    unsafe {
+        sqlite3_auto_extension(Some(std::mem::transmute(sqlite3_vec_init as *const ())));
     }
 }