cms: ecc-kari support - add From<KeyWrapAlgorithm> for WrappingKey test

Author: nemynm

cms/src/builder/utils/kw.rs

@@ -222,7 +222,7 @@ impl From<KeyWrapper> for Vec<u8> {
 /// - Aes192
 /// - Aes256
 ///
-#[derive(Debug, Clone, Copy)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
 enum WrappingKey {
     /// id-aes128-wrap
     Aes128([u8; 16]),
@@ -330,9 +330,6 @@ mod tests {
         assert_eq!(KeyWrapAlgorithm::Aes256.key_size_in_bits(), 256);
     }
 
-    #[test]
-    fn test_wrappingkey_from_keywrapalgorithm() {}
-
     #[test]
     fn test_algorithmidentifierowned_from_keywrapalgorithm() {
         assert_eq!(
@@ -491,6 +488,22 @@ mod tests {
         assert_eq!(vec[0], 0);
     }
 
+    #[test]
+    fn test_wrappingkey_from_keywrapalgorithm() {
+        assert_eq!(
+            WrappingKey::from(&KeyWrapAlgorithm::Aes128),
+            WrappingKey::Aes128([0u8; 16])
+        );
+        assert_eq!(
+            WrappingKey::from(&KeyWrapAlgorithm::Aes192),
+            WrappingKey::Aes192([0u8; 24])
+        );
+        assert_eq!(
+            WrappingKey::from(&KeyWrapAlgorithm::Aes256),
+            WrappingKey::Aes256([0u8; 32])
+        );
+    }
+
     #[test]
     fn test_wrappingkey_as_mut() {
         let mut key_a128 = WrappingKey::Aes128([0; 16]);