396 lines
10 KiB
C
396 lines
10 KiB
C
/**
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* Copyright © 2011 Red Hat, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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/* Test relies on assert() */
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#undef NDEBUG
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#include <dix-config.h>
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#include <X11/Xlib.h>
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#include <list.h>
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#include <string.h>
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#include <assert.h>
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#include <stdlib.h>
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#include "tests-common.h"
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struct parent {
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int a;
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struct xorg_list children;
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int b;
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};
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struct child {
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int foo;
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int bar;
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struct xorg_list node;
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};
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static void
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test_xorg_list_init(void)
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{
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struct parent parent, tmp;
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memset(&parent, 0, sizeof(parent));
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parent.a = 0xa5a5a5;
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parent.b = ~0xa5a5a5;
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tmp = parent;
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xorg_list_init(&parent.children);
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/* test we haven't touched anything else. */
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assert(parent.a == tmp.a);
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assert(parent.b == tmp.b);
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assert(xorg_list_is_empty(&parent.children));
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}
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static void
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test_xorg_list_add(void)
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{
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struct parent parent = { 0 };
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struct child child[3];
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struct child *c;
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xorg_list_init(&parent.children);
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xorg_list_add(&child[0].node, &parent.children);
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assert(!xorg_list_is_empty(&parent.children));
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c = xorg_list_first_entry(&parent.children, struct child, node);
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assert(memcmp(c, &child[0], sizeof(struct child)) == 0);
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/* note: xorg_list_add prepends */
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xorg_list_add(&child[1].node, &parent.children);
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c = xorg_list_first_entry(&parent.children, struct child, node);
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assert(memcmp(c, &child[1], sizeof(struct child)) == 0);
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xorg_list_add(&child[2].node, &parent.children);
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c = xorg_list_first_entry(&parent.children, struct child, node);
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assert(memcmp(c, &child[2], sizeof(struct child)) == 0);
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}
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static void
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test_xorg_list_append(void)
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{
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struct parent parent = { 0 };
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struct child child[3];
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struct child *c;
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int i;
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xorg_list_init(&parent.children);
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xorg_list_append(&child[0].node, &parent.children);
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assert(!xorg_list_is_empty(&parent.children));
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c = xorg_list_first_entry(&parent.children, struct child, node);
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assert(memcmp(c, &child[0], sizeof(struct child)) == 0);
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c = xorg_list_last_entry(&parent.children, struct child, node);
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assert(memcmp(c, &child[0], sizeof(struct child)) == 0);
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xorg_list_append(&child[1].node, &parent.children);
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c = xorg_list_first_entry(&parent.children, struct child, node);
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assert(memcmp(c, &child[0], sizeof(struct child)) == 0);
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c = xorg_list_last_entry(&parent.children, struct child, node);
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assert(memcmp(c, &child[1], sizeof(struct child)) == 0);
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xorg_list_append(&child[2].node, &parent.children);
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c = xorg_list_first_entry(&parent.children, struct child, node);
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assert(memcmp(c, &child[0], sizeof(struct child)) == 0);
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c = xorg_list_last_entry(&parent.children, struct child, node);
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assert(memcmp(c, &child[2], sizeof(struct child)) == 0);
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i = 0;
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xorg_list_for_each_entry(c, &parent.children, node) {
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assert(memcmp(c, &child[i++], sizeof(struct child)) == 0);
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}
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}
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static void
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test_xorg_list_del(void)
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{
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struct parent parent = { 0 };
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struct child child[2];
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struct child *c;
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xorg_list_init(&parent.children);
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xorg_list_add(&child[0].node, &parent.children);
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assert(!xorg_list_is_empty(&parent.children));
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xorg_list_del(&parent.children);
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assert(xorg_list_is_empty(&parent.children));
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xorg_list_add(&child[0].node, &parent.children);
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xorg_list_del(&child[0].node);
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assert(xorg_list_is_empty(&parent.children));
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xorg_list_add(&child[0].node, &parent.children);
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xorg_list_add(&child[1].node, &parent.children);
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c = xorg_list_first_entry(&parent.children, struct child, node);
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assert(memcmp(c, &child[1], sizeof(struct child)) == 0);
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/* delete first node */
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xorg_list_del(&child[1].node);
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assert(!xorg_list_is_empty(&parent.children));
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assert(xorg_list_is_empty(&child[1].node));
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c = xorg_list_first_entry(&parent.children, struct child, node);
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assert(memcmp(c, &child[0], sizeof(struct child)) == 0);
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/* delete last node */
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xorg_list_add(&child[1].node, &parent.children);
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xorg_list_del(&child[0].node);
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c = xorg_list_first_entry(&parent.children, struct child, node);
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assert(memcmp(c, &child[1], sizeof(struct child)) == 0);
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/* delete list head */
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xorg_list_add(&child[0].node, &parent.children);
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xorg_list_del(&parent.children);
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assert(xorg_list_is_empty(&parent.children));
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assert(!xorg_list_is_empty(&child[0].node));
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assert(!xorg_list_is_empty(&child[1].node));
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}
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static void
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test_xorg_list_for_each(void)
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{
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struct parent parent = { 0 };
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struct child child[3];
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struct child *c;
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int i = 0;
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xorg_list_init(&parent.children);
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xorg_list_add(&child[2].node, &parent.children);
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xorg_list_add(&child[1].node, &parent.children);
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xorg_list_add(&child[0].node, &parent.children);
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xorg_list_for_each_entry(c, &parent.children, node) {
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assert(memcmp(c, &child[i], sizeof(struct child)) == 0);
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i++;
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}
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/* foreach on empty list */
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xorg_list_del(&parent.children);
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assert(xorg_list_is_empty(&parent.children));
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xorg_list_for_each_entry(c, &parent.children, node) {
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assert(0); /* we must not get here */
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}
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}
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struct foo {
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char a;
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struct foo *next;
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char b;
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};
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static void
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test_nt_list_init(void)
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{
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struct foo foo;
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foo.a = 10;
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foo.b = 20;
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nt_list_init(&foo, next);
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assert(foo.a == 10);
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assert(foo.b == 20);
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assert(foo.next == NULL);
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assert(nt_list_next(&foo, next) == NULL);
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}
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static void
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test_nt_list_append(void)
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{
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int i;
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struct foo *foo = calloc(10, sizeof(struct foo));
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struct foo *item;
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for (item = foo, i = 1; i <= 10; i++, item++) {
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item->a = i;
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item->b = i * 2;
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nt_list_init(item, next);
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if (item != foo)
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nt_list_append(item, foo, struct foo, next);
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}
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/* Test using nt_list_next */
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for (item = foo, i = 1; i <= 10; i++, item = nt_list_next(item, next)) {
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assert(item->a == i);
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assert(item->b == i * 2);
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}
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/* Test using nt_list_for_each_entry */
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i = 1;
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nt_list_for_each_entry(item, foo, next) {
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assert(item->a == i);
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assert(item->b == i * 2);
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i++;
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}
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assert(i == 11);
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free(foo);
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}
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static void
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test_nt_list_insert(void)
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{
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int i;
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struct foo *foo = calloc(10, sizeof(struct foo));
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struct foo *item;
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foo->a = 1;
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foo->b = 2;
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nt_list_init(foo, next);
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for (item = &foo[1], i = 10; i > 1; i--, item++) {
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item->a = i;
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item->b = i * 2;
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nt_list_init(item, next);
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nt_list_insert(item, foo, struct foo, next);
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}
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/* Test using nt_list_next */
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for (item = foo, i = 1; i <= 10; i++, item = nt_list_next(item, next)) {
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assert(item->a == i);
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assert(item->b == i * 2);
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}
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/* Test using nt_list_for_each_entry */
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i = 1;
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nt_list_for_each_entry(item, foo, next) {
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assert(item->a == i);
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assert(item->b == i * 2);
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i++;
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}
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assert(i == 11);
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free(foo);
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}
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static void
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test_nt_list_delete(void)
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{
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int i = 1;
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struct foo *list = calloc(10, sizeof(struct foo));
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struct foo *foo = list;
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struct foo *item, *tmp;
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struct foo *empty_list = foo;
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nt_list_init(empty_list, next);
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nt_list_del(empty_list, empty_list, struct foo, next);
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assert(!empty_list);
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for (item = foo, i = 1; i <= 10; i++, item++) {
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item->a = i;
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item->b = i * 2;
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nt_list_init(item, next);
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if (item != foo)
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nt_list_append(item, foo, struct foo, next);
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}
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i = 0;
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nt_list_for_each_entry(item, foo, next) {
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i++;
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}
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assert(i == 10);
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/* delete last item */
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nt_list_del(&foo[9], foo, struct foo, next);
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i = 0;
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nt_list_for_each_entry(item, foo, next) {
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assert(item->a != 10); /* element 10 is gone now */
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i++;
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}
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assert(i == 9); /* 9 elements left */
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/* delete second item */
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nt_list_del(foo->next, foo, struct foo, next);
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assert(foo->next->a == 3);
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i = 0;
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nt_list_for_each_entry(item, foo, next) {
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assert(item->a != 10); /* element 10 is gone now */
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assert(item->a != 2); /* element 2 is gone now */
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i++;
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}
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assert(i == 8); /* 9 elements left */
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item = foo;
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/* delete first item */
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nt_list_del(foo, foo, struct foo, next);
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assert(item != foo);
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assert(item->next == NULL);
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assert(foo->a == 3);
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assert(foo->next->a == 4);
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nt_list_for_each_entry_safe(item, tmp, foo, next) {
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nt_list_del(item, foo, struct foo, next);
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}
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assert(!foo);
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assert(!item);
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free(list);
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}
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const testfunc_t*
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list_test(void)
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{
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static const testfunc_t testfuncs[] = {
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test_xorg_list_init,
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test_xorg_list_add,
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test_xorg_list_append,
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test_xorg_list_del,
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test_xorg_list_for_each,
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test_nt_list_init,
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test_nt_list_append,
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test_nt_list_insert,
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test_nt_list_delete,
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NULL,
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};
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return testfuncs;
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}
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