Add a stress test

tests/lib.rs

@@ -2,6 +2,7 @@ extern crate sqlite;
 extern crate temporary;
 
 use std::path::PathBuf;
+use std::thread;
 use temporary::Directory;
 
 macro_rules! ok(
@@ -55,6 +56,35 @@ fn workflow() {
     }
 }
 
+#[test]
+fn stress() {
+    use sqlite::Binding::*;
+    use sqlite::State;
+
+    let (path, _directory) = setup();
+
+    let database = ok!(sqlite::open(&path));
+    let sql = r#"CREATE TABLE `users` (id INTEGER, name VARCHAR(255), age REAL);"#;
+    ok!(database.execute(sql));
+
+    let guards = (0..100).map(|_| {
+        let path = PathBuf::from(&path);
+        thread::spawn(move || {
+            let mut database = ok!(sqlite::open(&path));
+            ok!(database.set_busy_handler(|_| true));
+            let sql = r#"INSERT INTO `users` (id, name, age) VALUES (?, ?, ?);"#;
+            let mut statement = ok!(database.prepare(sql));
+            ok!(statement.bind(&[Integer(1, 1), Text(2, "Alice"), Float(3, 20.99)]));
+            assert!(ok!(statement.step()) == State::Done);
+            true
+        })
+    }).collect::<Vec<_>>();
+
+    for guard in guards {
+        assert!(guard.join().unwrap());
+    }
+}
+
 fn setup() -> (PathBuf, Directory) {
     let directory = ok!(Directory::new("sqlite"));
     (directory.path().join("database.sqlite3"), directory)