| /* GLib testing framework examples and tests |
| * |
| * Copyright © 2018 Endless Mobile, Inc. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General |
| * Public License along with this library; if not, see <http://www.gnu.org/licenses/>. |
| * |
| * Author: Philip Withnall <withnall@endlessm.com> |
| */ |
| |
| #include <glib.h> |
| |
| /* Test that G_STATIC_ASSERT_EXPR can be used as an expression */ |
| static void |
| test_assert_static (void) |
| { |
| G_STATIC_ASSERT (4 == 4); |
| if (G_STATIC_ASSERT_EXPR (1 == 1), sizeof (gchar) == 2) |
| g_assert_not_reached (); |
| } |
| |
| /* Test G_ALIGNOF() gives the same results as the G_STRUCT_OFFSET fallback. This |
| * should be the minimal alignment for the given type. |
| * |
| * This is necessary because the implementation of G_ALIGNOF() varies depending |
| * on the compiler in use. We want all implementations to be consistent. |
| * |
| * In the case that the compiler uses the G_STRUCT_OFFSET fallback, this test |
| * is a no-op. */ |
| static void |
| test_alignof_fallback (void) |
| { |
| #define check_alignof(type) \ |
| g_assert_cmpint (G_ALIGNOF (type), ==, G_STRUCT_OFFSET (struct { char a; type b; }, b)) |
| |
| check_alignof (char); |
| check_alignof (int); |
| check_alignof (float); |
| check_alignof (double); |
| check_alignof (struct { char a; int b; }); |
| } |
| |
| static void |
| test_struct_sizeof_member (void) |
| { |
| G_STATIC_ASSERT (G_SIZEOF_MEMBER (struct { char a; int b; }, a) == sizeof (char)); |
| g_assert_cmpint (G_SIZEOF_MEMBER (struct { char a; int b; }, b), ==, sizeof (int)); |
| } |
| |
| int |
| main (int argc, |
| char *argv[]) |
| { |
| g_test_init (&argc, &argv, NULL); |
| |
| g_test_add_func ("/alignof/fallback", test_alignof_fallback); |
| g_test_add_func ("/assert/static", test_assert_static); |
| g_test_add_func ("/struct/sizeof_member", test_struct_sizeof_member); |
| |
| return g_test_run (); |
| } |