Clone and destructor

Chapter06/src/admin.rs

@@ -41,10 +41,18 @@ pub fn toErrorCode(i: i32) -> ErrorCode {
    }
 }
 
+#[derive(Clone)]
 pub struct AuthorizedSession
 {
    session: *const c_void
 }
+impl Drop for AuthorizedSession {
+   fn drop(&mut self) {
+      unsafe {
+         magic::free_override_session(self.session);
+      }
+   }
+}
 
 pub fn authorize_override() -> Result<AuthorizedSession,ErrorCode> {
    let session = unsafe {

Chapter06/src/lib.rs

@@ -3,3 +3,4 @@ extern crate libc;
 
 mod magic;
 mod admin;
+mod tests;

Chapter06/src/tests/admin.rs

@@ -7,7 +7,7 @@ fn authorize_override() {
       let session = admin::authorize_override().ok();
       assert!(admin::is_override());
    }
-   assert(!admin::is_override());
+   assert!(!admin::is_override());
    assert!(admin::check_error(()).is_ok());
 }
 #[test]
@@ -15,9 +15,9 @@ fn authorize_privileged() {
    admin::reset_state();
    {
       let session = admin::authorize_privileged().ok();
-      assert(admin::is_privileged());
+      assert!(admin::is_privileged());
    }
-   assert(!admin::is_privileged());
+   assert!(!admin::is_privileged());
    assert!(admin::check_error(()).is_ok());
 }
 #[test]
@@ -25,9 +25,9 @@ fn issue_admin_code() {
    admin::reset_state();
    {
       let session = admin::authorize_admin().ok();
-      assert(admin::is_admin());
+      assert!(admin::is_admin());
    }
-   assert(!admin::is_admin());
+   assert!(!admin::is_admin());
    assert!(admin::check_error(()).is_ok());
 }