From 118a9053f04d0e215bb3fe20562990cc73ae69a2 Mon Sep 17 00:00:00 2001 From: Tavian Barnes Date: Fri, 31 May 2024 11:55:50 -0400 Subject: list: New SLIST_SPLICE() macro --- tests/list.c | 97 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 97 insertions(+) create mode 100644 tests/list.c (limited to 'tests/list.c') diff --git a/tests/list.c b/tests/list.c new file mode 100644 index 0000000..e14570f --- /dev/null +++ b/tests/list.c @@ -0,0 +1,97 @@ +// Copyright © Tavian Barnes +// SPDX-License-Identifier: 0BSD + +#include "prelude.h" +#include "tests.h" +#include "list.h" + +struct item { + int n; + struct item *next; +}; + +struct list { + struct item *head; + struct item **tail; +}; + +static bool check_list_items(struct list *list, int *array, size_t size) { + struct item **cur = &list->head; + for (size_t i = 0; i < size; ++i) { + if (!bfs_check(*cur != NULL)) { + return false; + } + int n = (*cur)->n; + if (!bfs_check(n == array[i], "%d != %d", n, array[i])) { + return false; + } + cur = &(*cur)->next; + } + + if (!bfs_check(*cur == NULL)) { + return false; + } + if (!bfs_check(list->tail == cur)) { + return false; + } + + return true; +} + +#define ARRAY(...) (int[]){ __VA_ARGS__ }, countof((int[]){ __VA_ARGS__ }) +#define EMPTY() NULL, 0 + +bool check_list(void) { + struct list l1; + SLIST_INIT(&l1); + bfs_verify(check_list_items(&l1, EMPTY())); + + struct list l2; + SLIST_INIT(&l2); + bfs_verify(check_list_items(&l2, EMPTY())); + + SLIST_EXTEND(&l1, &l2); + bfs_verify(check_list_items(&l1, EMPTY())); + + struct item i10 = { .n = 10 }; + SLIST_APPEND(&l1, &i10); + bfs_verify(check_list_items(&l1, ARRAY(10))); + + SLIST_EXTEND(&l1, &l2); + bfs_verify(check_list_items(&l1, ARRAY(10))); + + SLIST_SPLICE(&l1, &l1.head, &l2); + bfs_verify(check_list_items(&l1, ARRAY(10))); + + struct item i20 = { .n = 20 }; + SLIST_PREPEND(&l2, &i20); + bfs_verify(check_list_items(&l2, ARRAY(20))); + + SLIST_EXTEND(&l1, &l2); + bfs_verify(check_list_items(&l1, ARRAY(10, 20))); + bfs_verify(check_list_items(&l2, EMPTY())); + + struct item i15 = { .n = 15 }; + SLIST_APPEND(&l2, &i15); + SLIST_SPLICE(&l1, &i10.next, &l2); + bfs_verify(check_list_items(&l1, ARRAY(10, 15, 20))); + bfs_verify(check_list_items(&l2, EMPTY())); + + SLIST_EXTEND(&l1, &l2); + bfs_verify(check_list_items(&l1, ARRAY(10, 15, 20))); + + SLIST_SPLICE(&l1, &i10.next, &l2); + bfs_verify(check_list_items(&l1, ARRAY(10, 15, 20))); + + SLIST_SPLICE(&l1, &l1.head, &l2); + bfs_verify(check_list_items(&l1, ARRAY(10, 15, 20))); + + struct item i11 = { .n = 11 }; + struct item i12 = { .n = 12 }; + SLIST_APPEND(&l2, &i11); + SLIST_APPEND(&l2, &i12); + SLIST_SPLICE(&l1, &l1.head->next, &l2); + bfs_verify(check_list_items(&l1, ARRAY(10, 11, 12, 15, 20))); + + return true; +} -- cgit v1.2.3