Test that other backends are still reachable

tests/other.rs

@@ -0,0 +1,21 @@
+///! Test that the core backend is still reachable.
+///! Tests imported from the trussed repo
+mod client;
+
+use trussed::{client::CertificateClient as _, syscall, try_syscall, types::Location::*};
+
+#[test]
+fn certificate_client() {
+    client::get(|client| {
+        let fake_der = &[1u8, 2, 3];
+        let id = syscall!(client.write_certificate(Volatile, fake_der)).id;
+
+        let loaded_der = syscall!(client.read_certificate(id)).der;
+        assert_eq!(loaded_der, fake_der);
+
+        assert!(try_syscall!(client.read_certificate(id)).is_ok());
+        assert!(try_syscall!(client.delete_certificate(id)).is_ok());
+        assert!(try_syscall!(client.read_certificate(id)).is_err());
+        assert!(try_syscall!(client.delete_certificate(id)).is_err());
+    });
+}