diff --git a/tests/suites/test_suite_psa_crypto.data b/tests/suites/test_suite_psa_crypto.data
index ecd2149..64cc16c 100644
--- a/tests/suites/test_suite_psa_crypto.data
+++ b/tests/suites/test_suite_psa_crypto.data
@@ -31,6 +31,19 @@
 depends_on:MBEDTLS_AES_C
 import_export:"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef":PSA_KEY_TYPE_AES:PSA_ALG_CTR:PSA_KEY_USAGE_EXPORT:256:0:PSA_SUCCESS:1
 
+PSA import to non empty key slot
+depends_on:MBEDTLS_AES_C
+import_key_nonempty_slot
+
+PSA export empty key slot
+export_invalid_slot:1:PSA_ERROR_EMPTY_SLOT
+
+PSA export out of range key slot - lower bound
+export_invalid_slot:0:PSA_ERROR_INVALID_ARGUMENT
+
+PSA export out of range key slot - upper bound
+export_invalid_slot:(psa_key_slot_t)(-1):PSA_ERROR_INVALID_ARGUMENT
+
 PSA import AES: bad key size
 depends_on:MBEDTLS_AES_C
 import:"0123456789abcdef":PSA_KEY_TYPE_AES:PSA_ERROR_INVALID_ARGUMENT
diff --git a/tests/suites/test_suite_psa_crypto.function b/tests/suites/test_suite_psa_crypto.function
index c46da96..001869e 100644
--- a/tests/suites/test_suite_psa_crypto.function
+++ b/tests/suites/test_suite_psa_crypto.function
@@ -1004,6 +1004,50 @@
 /* END_CASE */
 
 /* BEGIN_CASE */
+void import_key_nonempty_slot( )
+{
+    int slot = 1;
+    psa_key_type_t type = PSA_KEY_TYPE_RAW_DATA;
+    psa_status_t status;
+    const uint8_t data[] = { 0x1, 0x2, 0x3, 0x4, 0x5 };
+    TEST_ASSERT( psa_crypto_init( ) == PSA_SUCCESS );
+
+    /* Import the key */
+    TEST_ASSERT( psa_import_key( slot, type,
+                                 data, sizeof( data ) ) == PSA_SUCCESS );
+
+    /* Import the key again */
+    status = psa_import_key( slot, type, data, sizeof( data ) );
+    TEST_ASSERT( status == PSA_ERROR_OCCUPIED_SLOT );
+
+exit:
+    mbedtls_psa_crypto_free( );
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void export_invalid_slot( int slot, int expected_export_status_arg )
+{
+    psa_status_t status;
+    unsigned char *exported = NULL;
+    size_t export_size = 0;
+    size_t exported_length = INVALID_EXPORT_LENGTH;
+    psa_status_t expected_export_status = expected_export_status_arg;
+
+    TEST_ASSERT( psa_crypto_init( ) == PSA_SUCCESS );
+
+    /* Export the key */
+    status = psa_export_key( slot,
+                             exported, export_size,
+                             &exported_length );
+    TEST_ASSERT( status == expected_export_status );
+
+exit:
+    mbedtls_psa_crypto_free( );
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
 void import_export_public_key( data_t *data,
                                int type_arg,
                                int alg_arg,