Provide access to the status of a Nitrokey Storage

This patch adds a `get_status` method to the `Storage` structure.  The
returned structure `StorageStatus` is based on the structure provided by
libnitrokey.

1 files changed, 10 insertions, 0 deletions

diff --git a/src/tests/device.rs b/src/tests/device.rs
index c2c5336..fed465d 100644
--- a/src/tests/device.rs
+++ b/src/tests/device.rs
@@ -292,3 +292,13 @@ fn lock() {
     assert!(device.lock().is_ok());
     assert_eq!(1, count_nitrokey_block_devices());
 }
+
+#[test]
+#[cfg_attr(not(feature = "test-storage"), ignore)]
+fn get_storage_status() {
+    let device = Storage::connect().unwrap();
+    let status = device.get_status().unwrap();
+
+    assert!(status.serial_number_sd_card > 0);
+    assert!(status.serial_number_smart_card > 0);
+}