Add missing state test coverage

Signed-off-by: Paul Elliott <paul.elliott@arm.com>
diff --git a/tests/suites/test_suite_psa_crypto.function b/tests/suites/test_suite_psa_crypto.function
index dfd0cfd..5f36230 100644
--- a/tests/suites/test_suite_psa_crypto.function
+++ b/tests/suites/test_suite_psa_crypto.function
@@ -3938,6 +3938,28 @@
 
     psa_aead_abort( &operation );
 
+    /* ------------------------------------------------------- */
+
+    operation = psa_aead_operation_init( );
+
+    PSA_ASSERT( psa_aead_encrypt_setup( &operation, key, alg ) );
+
+    TEST_EQUAL( psa_aead_decrypt_setup( &operation, key, alg ),
+                PSA_ERROR_BAD_STATE );
+
+    psa_aead_abort( &operation );
+
+    /* ------------------------------------------------------- */
+
+    operation = psa_aead_operation_init( );
+
+    PSA_ASSERT( psa_aead_decrypt_setup( &operation, key, alg ) );
+
+    TEST_EQUAL( psa_aead_encrypt_setup( &operation, key, alg ),
+                PSA_ERROR_BAD_STATE );
+
+    psa_aead_abort( &operation );
+
     /* Test for not setting a nonce. */
 
     operation = psa_aead_operation_init( );
@@ -3963,6 +3985,54 @@
 
     psa_aead_abort( &operation );
 
+    /* Test for double generating nonce. */
+
+    operation = psa_aead_operation_init( );
+
+    PSA_ASSERT( psa_aead_encrypt_setup( &operation, key, alg ) );
+
+    PSA_ASSERT( psa_aead_generate_nonce( &operation, nonce_buffer,
+                                         PSA_AEAD_NONCE_MAX_SIZE,
+                                         &nonce_length ) );
+
+    TEST_EQUAL( psa_aead_generate_nonce( &operation, nonce_buffer,
+                                         PSA_AEAD_NONCE_MAX_SIZE,
+                                         &nonce_length ),
+                PSA_ERROR_BAD_STATE );
+
+
+    psa_aead_abort( &operation );
+
+    /* Test for generate nonce then set and vice versa */
+
+    operation = psa_aead_operation_init( );
+
+    PSA_ASSERT( psa_aead_encrypt_setup( &operation, key, alg ) );
+
+    PSA_ASSERT( psa_aead_generate_nonce( &operation, nonce_buffer,
+                                         PSA_AEAD_NONCE_MAX_SIZE,
+                                         &nonce_length ) );
+
+    TEST_EQUAL( psa_aead_set_nonce( &operation, nonce->x, nonce->len ),
+                PSA_ERROR_BAD_STATE );
+
+    psa_aead_abort( &operation );
+
+    /* ------------------------------------------------------- */
+
+    operation = psa_aead_operation_init( );
+
+    PSA_ASSERT( psa_aead_encrypt_setup( &operation, key, alg ) );
+
+    PSA_ASSERT( psa_aead_set_nonce( &operation, nonce->x, nonce->len ) );
+
+    TEST_EQUAL( psa_aead_generate_nonce( &operation, nonce_buffer,
+                                         PSA_AEAD_NONCE_MAX_SIZE,
+                                         &nonce_length ),
+                PSA_ERROR_BAD_STATE );
+
+    psa_aead_abort( &operation );
+
     /* Test for generating nonce in decrypt setup. */
 
     operation = psa_aead_operation_init( );