Adding upstream version 255.4.upstream/255.4

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 286 insertions, 0 deletions

diff --git a/src/test/test-list.c b/src/test/test-list.c
new file mode 100644
index 0000000..87f7c7b
--- /dev/null
+++ b/src/test/test-list.c
@@ -0,0 +1,286 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include "alloc-util.h"
+#include "list.h"
+#include "tests.h"
+
+int main(int argc, const char *argv[]) {
+        test_setup_logging(LOG_DEBUG);
+
+        size_t i;
+        typedef struct list_item {
+                LIST_FIELDS(struct list_item, item_list);
+        } list_item;
+        LIST_HEAD(list_item, head);
+        LIST_HEAD(list_item, head2);
+        list_item items[4];
+
+        LIST_HEAD_INIT(head);
+        LIST_HEAD_INIT(head2);
+        assert_se(head == NULL);
+        assert_se(head2 == NULL);
+
+        for (i = 0; i < ELEMENTSOF(items); i++) {
+                LIST_INIT(item_list, &items[i]);
+                assert_se(LIST_JUST_US(item_list, &items[i]));
+                assert_se(LIST_PREPEND(item_list, head, &items[i]) == &items[i]);
+        }
+
+        i = 0;
+        LIST_FOREACH_OTHERS(item_list, cursor, &items[2]) {
+                i++;
+                assert_se(cursor != &items[2]);
+        }
+        assert_se(i == ELEMENTSOF(items)-1);
+
+        i = 0;
+        LIST_FOREACH_OTHERS(item_list, cursor, &items[0]) {
+                i++;
+                assert_se(cursor != &items[0]);
+        }
+        assert_se(i == ELEMENTSOF(items)-1);
+
+        i = 0;
+        LIST_FOREACH_OTHERS(item_list, cursor, &items[3]) {
+                i++;
+                assert_se(cursor != &items[3]);
+        }
+        assert_se(i == ELEMENTSOF(items)-1);
+
+        assert_se(!LIST_JUST_US(item_list, head));
+
+        assert_se(items[0].item_list_next == NULL);
+        assert_se(items[1].item_list_next == &items[0]);
+        assert_se(items[2].item_list_next == &items[1]);
+        assert_se(items[3].item_list_next == &items[2]);
+
+        assert_se(items[0].item_list_prev == &items[1]);
+        assert_se(items[1].item_list_prev == &items[2]);
+        assert_se(items[2].item_list_prev == &items[3]);
+        assert_se(items[3].item_list_prev == NULL);
+
+        list_item *cursor = LIST_FIND_HEAD(item_list, &items[0]);
+        assert_se(cursor == &items[3]);
+
+        cursor = LIST_FIND_TAIL(item_list, &items[3]);
+        assert_se(cursor == &items[0]);
+
+        assert_se(LIST_REMOVE(item_list, head, &items[1]) == &items[1]);
+        assert_se(LIST_JUST_US(item_list, &items[1]));
+
+        assert_se(items[0].item_list_next == NULL);
+        assert_se(items[2].item_list_next == &items[0]);
+        assert_se(items[3].item_list_next == &items[2]);
+
+        assert_se(items[0].item_list_prev == &items[2]);
+        assert_se(items[2].item_list_prev == &items[3]);
+        assert_se(items[3].item_list_prev == NULL);
+
+        assert_se(LIST_INSERT_AFTER(item_list, head, &items[3], &items[1]) == &items[1]);
+        assert_se(items[0].item_list_next == NULL);
+        assert_se(items[2].item_list_next == &items[0]);
+        assert_se(items[1].item_list_next == &items[2]);
+        assert_se(items[3].item_list_next == &items[1]);
+
+        assert_se(items[0].item_list_prev == &items[2]);
+        assert_se(items[2].item_list_prev == &items[1]);
+        assert_se(items[1].item_list_prev == &items[3]);
+        assert_se(items[3].item_list_prev == NULL);
+
+        assert_se(LIST_REMOVE(item_list, head, &items[1]) == &items[1]);
+        assert_se(LIST_JUST_US(item_list, &items[1]));
+
+        assert_se(items[0].item_list_next == NULL);
+        assert_se(items[2].item_list_next == &items[0]);
+        assert_se(items[3].item_list_next == &items[2]);
+
+        assert_se(items[0].item_list_prev == &items[2]);
+        assert_se(items[2].item_list_prev == &items[3]);
+        assert_se(items[3].item_list_prev == NULL);
+
+        assert_se(LIST_INSERT_BEFORE(item_list, head, &items[2], &items[1]) == &items[1]);
+        assert_se(items[0].item_list_next == NULL);
+        assert_se(items[2].item_list_next == &items[0]);
+        assert_se(items[1].item_list_next == &items[2]);
+        assert_se(items[3].item_list_next == &items[1]);
+
+        assert_se(items[0].item_list_prev == &items[2]);
+        assert_se(items[2].item_list_prev == &items[1]);
+        assert_se(items[1].item_list_prev == &items[3]);
+        assert_se(items[3].item_list_prev == NULL);
+
+        assert_se(LIST_REMOVE(item_list, head, &items[0]) == &items[0]);
+        assert_se(LIST_JUST_US(item_list, &items[0]));
+
+        assert_se(items[2].item_list_next == NULL);
+        assert_se(items[1].item_list_next == &items[2]);
+        assert_se(items[3].item_list_next == &items[1]);
+
+        assert_se(items[2].item_list_prev == &items[1]);
+        assert_se(items[1].item_list_prev == &items[3]);
+        assert_se(items[3].item_list_prev == NULL);
+
+        assert_se(LIST_INSERT_BEFORE(item_list, head, &items[3], &items[0]) == &items[0]);
+        assert_se(items[2].item_list_next == NULL);
+        assert_se(items[1].item_list_next == &items[2]);
+        assert_se(items[3].item_list_next == &items[1]);
+        assert_se(items[0].item_list_next == &items[3]);
+
+        assert_se(items[2].item_list_prev == &items[1]);
+        assert_se(items[1].item_list_prev == &items[3]);
+        assert_se(items[3].item_list_prev == &items[0]);
+        assert_se(items[0].item_list_prev == NULL);
+        assert_se(head == &items[0]);
+
+        assert_se(LIST_REMOVE(item_list, head, &items[0]) == &items[0]);
+        assert_se(LIST_JUST_US(item_list, &items[0]));
+
+        assert_se(items[2].item_list_next == NULL);
+        assert_se(items[1].item_list_next == &items[2]);
+        assert_se(items[3].item_list_next == &items[1]);
+
+        assert_se(items[2].item_list_prev == &items[1]);
+        assert_se(items[1].item_list_prev == &items[3]);
+        assert_se(items[3].item_list_prev == NULL);
+
+        assert_se(LIST_INSERT_BEFORE(item_list, head, NULL, &items[0]) == &items[0]);
+        assert_se(items[0].item_list_next == NULL);
+        assert_se(items[2].item_list_next == &items[0]);
+        assert_se(items[1].item_list_next == &items[2]);
+        assert_se(items[3].item_list_next == &items[1]);
+
+        assert_se(items[0].item_list_prev == &items[2]);
+        assert_se(items[2].item_list_prev == &items[1]);
+        assert_se(items[1].item_list_prev == &items[3]);
+        assert_se(items[3].item_list_prev == NULL);
+
+        assert_se(LIST_REMOVE(item_list, head, &items[0]) == &items[0]);
+        assert_se(LIST_JUST_US(item_list, &items[0]));
+
+        assert_se(items[2].item_list_next == NULL);
+        assert_se(items[1].item_list_next == &items[2]);
+        assert_se(items[3].item_list_next == &items[1]);
+
+        assert_se(items[2].item_list_prev == &items[1]);
+        assert_se(items[1].item_list_prev == &items[3]);
+        assert_se(items[3].item_list_prev == NULL);
+
+        assert_se(LIST_REMOVE(item_list, head, &items[1]) == &items[1]);
+        assert_se(LIST_JUST_US(item_list, &items[1]));
+
+        assert_se(items[2].item_list_next == NULL);
+        assert_se(items[3].item_list_next == &items[2]);
+
+        assert_se(items[2].item_list_prev == &items[3]);
+        assert_se(items[3].item_list_prev == NULL);
+
+        assert_se(LIST_REMOVE(item_list, head, &items[2]) == &items[2]);
+        assert_se(LIST_JUST_US(item_list, &items[2]));
+        assert_se(LIST_JUST_US(item_list, head));
+
+        assert_se(LIST_REMOVE(item_list, head, &items[3]) == &items[3]);
+        assert_se(LIST_JUST_US(item_list, &items[3]));
+
+        assert_se(head == NULL);
+
+        for (i = 0; i < ELEMENTSOF(items); i++) {
+                assert_se(LIST_JUST_US(item_list, &items[i]));
+                assert_se(LIST_APPEND(item_list, head, &items[i]) == &items[i]);
+        }
+
+        assert_se(!LIST_JUST_US(item_list, head));
+
+        assert_se(items[0].item_list_next == &items[1]);
+        assert_se(items[1].item_list_next == &items[2]);
+        assert_se(items[2].item_list_next == &items[3]);
+        assert_se(items[3].item_list_next == NULL);
+
+        assert_se(items[0].item_list_prev == NULL);
+        assert_se(items[1].item_list_prev == &items[0]);
+        assert_se(items[2].item_list_prev == &items[1]);
+        assert_se(items[3].item_list_prev == &items[2]);
+
+        for (i = 0; i < ELEMENTSOF(items); i++)
+                assert_se(LIST_REMOVE(item_list, head, &items[i]) == &items[i]);
+
+        assert_se(head == NULL);
+
+        for (i = 0; i < ELEMENTSOF(items) / 2; i++) {
+                LIST_INIT(item_list, &items[i]);
+                assert_se(LIST_JUST_US(item_list, &items[i]));
+                assert_se(LIST_PREPEND(item_list, head, &items[i]) == &items[i]);
+        }
+
+        for (i = ELEMENTSOF(items) / 2; i < ELEMENTSOF(items); i++) {
+                LIST_INIT(item_list, &items[i]);
+                assert_se(LIST_JUST_US(item_list, &items[i]));
+                assert_se(LIST_PREPEND(item_list, head2, &items[i]) == &items[i]);
+        }
+
+        assert_se(items[0].item_list_next == NULL);
+        assert_se(items[1].item_list_next == &items[0]);
+        assert_se(items[2].item_list_next == NULL);
+        assert_se(items[3].item_list_next == &items[2]);
+
+        assert_se(items[0].item_list_prev == &items[1]);
+        assert_se(items[1].item_list_prev == NULL);
+        assert_se(items[2].item_list_prev == &items[3]);
+        assert_se(items[3].item_list_prev == NULL);
+
+        assert_se(LIST_JOIN(item_list, head2, head) == head2);
+        assert_se(head == NULL);
+
+        assert_se(items[0].item_list_next == NULL);
+        assert_se(items[1].item_list_next == &items[0]);
+        assert_se(items[2].item_list_next == &items[1]);
+        assert_se(items[3].item_list_next == &items[2]);
+
+        assert_se(items[0].item_list_prev == &items[1]);
+        assert_se(items[1].item_list_prev == &items[2]);
+        assert_se(items[2].item_list_prev == &items[3]);
+        assert_se(items[3].item_list_prev == NULL);
+
+        assert_se(LIST_JOIN(item_list, head, head2) == head);
+        assert_se(head2 == NULL);
+        assert_se(head);
+
+        for (i = 0; i < ELEMENTSOF(items); i++)
+                assert_se(LIST_REMOVE(item_list, head, &items[i]) == &items[i]);
+
+        assert_se(head == NULL);
+
+        assert_se(LIST_PREPEND(item_list, head, items + 0) == items + 0);
+        assert_se(LIST_PREPEND(item_list, head, items + 1) == items + 1);
+        assert_se(LIST_PREPEND(item_list, head, items + 2) == items + 2);
+
+        assert_se(LIST_POP(item_list, head) == items + 2);
+        assert_se(LIST_POP(item_list, head) == items + 1);
+        assert_se(LIST_POP(item_list, head) == items + 0);
+        assert_se(LIST_POP(item_list, head) == NULL);
+
+        /* No-op on an empty list */
+
+        LIST_CLEAR(item_list, head, free);
+
+        /* A non-empty list is cleared */
+
+        assert_se(LIST_PREPEND(item_list, head, new0(list_item, 1)));
+        assert_se(LIST_PREPEND(item_list, head, new0(list_item, 1)));
+
+        LIST_CLEAR(item_list, head, free);
+
+        assert_se(head == NULL);
+
+        /* A list can be cleared partially */
+
+        assert_se(LIST_PREPEND(item_list, head, new0(list_item, 1)));
+        assert_se(LIST_PREPEND(item_list, head, new0(list_item, 1)));
+        assert_se(LIST_PREPEND(item_list, head, items + 0) == items + 0);
+
+        LIST_CLEAR(item_list, head->item_list_next, free);
+
+        assert_se(head == items + 0);
+        assert_se(head->item_list_next == NULL);
+
+        return 0;
+}