2 files changed, 36 insertions, 0 deletions
diff --git a/tests/test-qga.c b/tests/test-qga.c
index 21f44f8915..40af64987a 100644
--- a/tests/test-qga.c
+++ b/tests/test-qga.c
@@ -198,6 +198,26 @@ static void test_qga_ping(gconstpointer fix)
     QDECREF(ret);
 }
 
+static void test_qga_invalid_args(gconstpointer fix)
+{
+    const TestFixture *fixture = fix;
+    QDict *ret, *error;
+    const gchar *class, *desc;
+
+    ret = qmp_fd(fixture->fd, "{'execute': 'guest-ping', "
+                 "'arguments': {'foo': 42 }}");
+    g_assert_nonnull(ret);
+
+    error = qdict_get_qdict(ret, "error");
+    class = qdict_get_try_str(error, "class");
+    desc = qdict_get_try_str(error, "desc");
+
+    g_assert_cmpstr(class, ==, "GenericError");
+    g_assert_cmpstr(desc, ==, "QMP input object member 'foo' is unexpected");
+
+    QDECREF(ret);
+}
+
 static void test_qga_invalid_cmd(gconstpointer fix)
 {
     const TestFixture *fixture = fix;
@@ -911,6 +931,7 @@ int main(int argc, char **argv)
     g_test_add_data_func("/qga/file-write-read", &fix, test_qga_file_write_read);
     g_test_add_data_func("/qga/get-time", &fix, test_qga_get_time);
     g_test_add_data_func("/qga/invalid-cmd", &fix, test_qga_invalid_cmd);
+    g_test_add_data_func("/qga/invalid-args", &fix, test_qga_invalid_args);
     g_test_add_data_func("/qga/fsfreeze-status", &fix,
                          test_qga_fsfreeze_status);
 
diff --git a/tests/test-qmp-commands.c b/tests/test-qmp-commands.c
index 261fd9e313..81cbe545c4 100644
--- a/tests/test-qmp-commands.c
+++ b/tests/test-qmp-commands.c
@@ -106,6 +106,7 @@ static void test_dispatch_cmd(void)
 static void test_dispatch_cmd_failure(void)
 {
     QDict *req = qdict_new();
+    QDict *args = qdict_new();
     QObject *resp;
 
     qdict_put_obj(req, "execute", QOBJECT(qstring_from_str("user_def_cmd2")));
@@ -116,6 +117,20 @@ static void test_dispatch_cmd_failure(void)
 
     qobject_decref(resp);
     QDECREF(req);
+
+    /* check that with extra arguments it throws an error */
+    req = qdict_new();
+    qdict_put(args, "a", qint_from_int(66));
+    qdict_put(req, "arguments", args);
+
+    qdict_put_obj(req, "execute", QOBJECT(qstring_from_str("user_def_cmd")));
+
+    resp = qmp_dispatch(QOBJECT(req));
+    assert(resp != NULL);
+    assert(qdict_haskey(qobject_to_qdict(resp), "error"));
+
+    qobject_decref(resp);
+    QDECREF(req);
 }
 
 static QObject *test_qmp_dispatch(QDict *req)