A string that represents a double can be long if it is an exponentially
large number.

Signed-off-by: Akihiko Odaki <odaki@rsg.ci.i.u-tokyo.ac.jp>
---
 tests/unit/test-qobject-input-visitor.c  | 2 +-
 tests/unit/test-qobject-output-visitor.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/tests/unit/test-qobject-input-visitor.c b/tests/unit/test-qobject-input-visitor.c
index 84bdcdf702e0..baff9243313c 100644
--- a/tests/unit/test-qobject-input-visitor.c
+++ b/tests/unit/test-qobject-input-visitor.c
@@ -583,7 +583,7 @@ static void test_visitor_in_list_struct(TestInputVisitorData *data,
 
     i = 0;
     for (num_list = arrs->number; num_list; num_list = num_list->next) {
-        char expected[32], actual[32];
+        char expected[318], actual[318];
 
         sprintf(expected, "%.6f", (double)i / 3);
         sprintf(actual, "%.6f", num_list->value);
diff --git a/tests/unit/test-qobject-output-visitor.c b/tests/unit/test-qobject-output-visitor.c
index 407ab9ed505a..ae05a726f775 100644
--- a/tests/unit/test-qobject-output-visitor.c
+++ b/tests/unit/test-qobject-output-visitor.c
@@ -571,7 +571,7 @@ static void test_visitor_out_list_struct(TestOutputVisitorData *data,
     i = 0;
     QLIST_FOREACH_ENTRY(qlist, e) {
         QNum *qvalue = qobject_to(QNum, qlist_entry_obj(e));
-        char expected[32], actual[32];
+        char expected[318], actual[318];
 
         g_assert(qvalue);
         sprintf(expected, "%.6f", (double)i / 3);

-- 
2.52.0