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-rw-r--r--tests/test-qmp-input-visitor.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/tests/test-qmp-input-visitor.c b/tests/test-qmp-input-visitor.c
index c039806e82..10e00ecbc7 100644
--- a/tests/test-qmp-input-visitor.c
+++ b/tests/test-qmp-input-visitor.c
@@ -279,6 +279,33 @@ static void test_visitor_in_any(TestInputVisitorData *data,
qobject_decref(res);
}
+static void test_visitor_in_null(TestInputVisitorData *data,
+ const void *unused)
+{
+ Visitor *v;
+ Error *err = NULL;
+ char *tmp;
+
+ /*
+ * FIXME: Since QAPI doesn't know the 'null' type yet, we can't
+ * test visit_type_null() by reading into a QAPI struct then
+ * checking that it was populated correctly. The best we can do
+ * for now is ensure that we consumed null from the input, proven
+ * by the fact that we can't re-read the key; and that we detect
+ * when input is not null.
+ */
+
+ v = visitor_input_test_init(data, "{ 'a': null, 'b': '' }");
+ visit_start_struct(v, NULL, NULL, 0, &error_abort);
+ visit_type_null(v, "a", &error_abort);
+ visit_type_str(v, "a", &tmp, &err);
+ g_assert(!tmp);
+ error_free_or_abort(&err);
+ visit_type_null(v, "b", &err);
+ error_free_or_abort(&err);
+ visit_end_struct(v, &error_abort);
+}
+
static void test_visitor_in_union_flat(TestInputVisitorData *data,
const void *unused)
{
@@ -829,6 +856,8 @@ int main(int argc, char **argv)
&in_visitor_data, test_visitor_in_list);
input_visitor_test_add("/visitor/input/any",
&in_visitor_data, test_visitor_in_any);
+ input_visitor_test_add("/visitor/input/null",
+ &in_visitor_data, test_visitor_in_null);
input_visitor_test_add("/visitor/input/union-flat",
&in_visitor_data, test_visitor_in_union_flat);
input_visitor_test_add("/visitor/input/alternate",