test/librbd: fix -Wsign-compare warnings

Signed-off-by: Kefu Chai <kchai@redhat.com>

diff --git a/src/test/librbd/test_Groups.cc b/src/test/librbd/test_Groups.cc
index 70611496e001608e6753f6ee700fc835992cdd67..4836a97cc45b369a62eb4a14eac4b6a17fdbdbbd 100644 (file)
--- a/src/test/librbd/test_Groups.cc
+++ b/src/test/librbd/test_Groups.cc
@@ -34,7 +34,8 @@ TEST_F(TestGroup, group_create)
   ASSERT_EQ(strlen("mygroup") + 1, size);
 
   char groups[80];
-  ASSERT_EQ(strlen("mygroup") + 1, rbd_group_list(ioctx, groups, &size));
+  ASSERT_EQ(static_cast<size_t>(strlen("mygroup") + 1),
+           rbd_group_list(ioctx, groups, &size));
   ASSERT_STREQ("mygroup", groups);
 
   ASSERT_EQ(0, rbd_group_remove(ioctx, "mygroup"));
@@ -109,7 +110,7 @@ TEST_F(TestGroup, add_image)
   ASSERT_EQ(-ERANGE, rbd_group_image_list(ioctx, group_name, NULL,
                                           sizeof(rbd_group_image_info_t),
                                           &num_images));
-  ASSERT_EQ(1, num_images);
+  ASSERT_EQ(1U, num_images);
 
   rbd_group_image_info_t images[1];
   ASSERT_EQ(1, rbd_group_image_list(ioctx, group_name, images,
@@ -133,7 +134,7 @@ TEST_F(TestGroup, add_image)
   ASSERT_EQ(0, rbd_group_image_list(ioctx, group_name, images,
                                     sizeof(rbd_group_image_info_t),
                                     &num_images));
-  ASSERT_EQ(0, num_images);
+  ASSERT_EQ(0U, num_images);
 
   ASSERT_EQ(0, rbd_group_remove(ioctx, group_name));
 }