[dpkg] / lib / dpkg / t / t-pkg-queue.c

/*
 * libdpkg - Debian packaging suite library routines
 * t-pkg-queue.c - test pkg-queue implementation
 *
 * Copyright © 2010,2012 Guillem Jover <guillem@debian.org>
 *
 * This is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

#include <config.h>
#include <compat.h>

#include <dpkg/test.h>
#include <dpkg/dpkg-db.h>
#include <dpkg/pkg-queue.h>

static void
test_pkg_queue_init(void)
{
	struct pkg_queue q = PKG_QUEUE_INIT;
	struct pkg_list l;

	test_pass(q.length == 0);
	test_pass(q.head == NULL);
	test_pass(q.tail == NULL);

	test_pass(pkg_queue_is_empty(&q));

	q = (struct pkg_queue){ .length = 10, .head = &l, .tail = &l };

	pkg_queue_init(&q);
	test_pass(q.length == 0);
	test_pass(q.head == NULL);
	test_pass(q.tail == NULL);

	test_pass(pkg_queue_is_empty(&q));
}

static void
test_pkg_queue_push_pop(void)
{
	struct pkg_queue q = PKG_QUEUE_INIT;
	struct pkg_list *l1, *l2, *l3;
	struct pkginfo *pkgp, pkg1, pkg2, pkg3;

	test_pass(pkg_queue_is_empty(&q));

	/* Test push operations. */

	l1 = pkg_queue_push(&q, &pkg1);
	test_pass(l1 != NULL);
	test_pass(q.head == l1);
	test_pass(q.tail == l1);
	test_pass(q.length == 1);

	l2 = pkg_queue_push(&q, &pkg2);
	test_pass(l2 != NULL);
	test_pass(q.head == l1);
	test_pass(q.tail == l2);
	test_pass(q.length == 2);

	l3 = pkg_queue_push(&q, &pkg3);
	test_pass(l3 != NULL);
	test_pass(q.head == l1);
	test_pass(q.tail == l3);
	test_pass(q.length == 3);

	/* Test pop operations. */

	pkgp = pkg_queue_pop(&q);
	test_pass(pkgp == &pkg1);
	test_pass(q.head == l2);
	test_pass(q.tail == l3);
	test_pass(q.length == 2);

	pkgp = pkg_queue_pop(&q);
	test_pass(pkgp == &pkg2);
	test_pass(q.head == l3);
	test_pass(q.tail == l3);
	test_pass(q.length == 1);

	pkgp = pkg_queue_pop(&q);
	test_pass(pkgp == &pkg3);
	test_pass(q.head == NULL);
	test_pass(q.tail == NULL);
	test_pass(q.length == 0);

	test_pass(pkg_queue_is_empty(&q));

	pkgp = pkg_queue_pop(&q);
	test_pass(pkgp == NULL);
	test_pass(q.head == NULL);
	test_pass(q.tail == NULL);
	test_pass(q.length == 0);

	pkg_queue_destroy(&q);
}

TEST_ENTRY(test)
{
	test_plan(38);

	test_pkg_queue_init();
	test_pkg_queue_push_pop();
}
Commit	Line	Data
1479465f GJ	1	/*
	2	* libdpkg - Debian packaging suite library routines
	3	* t-pkg-queue.c - test pkg-queue implementation
	4	*
	5	* Copyright © 2010,2012 Guillem Jover <guillem@debian.org>
	6	*
	7	* This is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License as published by
	9	* the Free Software Foundation; either version 2 of the License, or
	10	* (at your option) any later version.
	11	*
	12	* This is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	* GNU General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program. If not, see <https://www.gnu.org/licenses/>.
	19	*/
	20
	21	#include <config.h>
	22	#include <compat.h>
	23
	24	#include <dpkg/test.h>
	25	#include <dpkg/dpkg-db.h>
	26	#include <dpkg/pkg-queue.h>
	27
	28	static void
	29	test_pkg_queue_init(void)
	30	{
	31	struct pkg_queue q = PKG_QUEUE_INIT;
	32	struct pkg_list l;
	33
	34	test_pass(q.length == 0);
	35	test_pass(q.head == NULL);
	36	test_pass(q.tail == NULL);
	37
	38	test_pass(pkg_queue_is_empty(&q));
	39
	40	q = (struct pkg_queue){ .length = 10, .head = &l, .tail = &l };
	41
	42	pkg_queue_init(&q);
	43	test_pass(q.length == 0);
	44	test_pass(q.head == NULL);
	45	test_pass(q.tail == NULL);
	46
	47	test_pass(pkg_queue_is_empty(&q));
	48	}
	49
	50	static void
	51	test_pkg_queue_push_pop(void)
	52	{
	53	struct pkg_queue q = PKG_QUEUE_INIT;
	54	struct pkg_list l1, l2, *l3;
	55	struct pkginfo *pkgp, pkg1, pkg2, pkg3;
	56
	57	test_pass(pkg_queue_is_empty(&q));
	58
	59	/* Test push operations. */
	60
	61	l1 = pkg_queue_push(&q, &pkg1);
	62	test_pass(l1 != NULL);
	63	test_pass(q.head == l1);
	64	test_pass(q.tail == l1);
65	test_pass(q.length == 1);
66
67	l2 = pkg_queue_push(&q, &pkg2);
68	test_pass(l2 != NULL);
69	test_pass(q.head == l1);
70	test_pass(q.tail == l2);
71	test_pass(q.length == 2);
72
73	l3 = pkg_queue_push(&q, &pkg3);
74	test_pass(l3 != NULL);
75	test_pass(q.head == l1);
76	test_pass(q.tail == l3);
77	test_pass(q.length == 3);
78
79	/* Test pop operations. */
80
81	pkgp = pkg_queue_pop(&q);
82	test_pass(pkgp == &pkg1);
83	test_pass(q.head == l2);
84	test_pass(q.tail == l3);
85	test_pass(q.length == 2);
86
87	pkgp = pkg_queue_pop(&q);
88	test_pass(pkgp == &pkg2);
89	test_pass(q.head == l3);
90	test_pass(q.tail == l3);
91	test_pass(q.length == 1);
92
93	pkgp = pkg_queue_pop(&q);
94	test_pass(pkgp == &pkg3);
95	test_pass(q.head == NULL);
96	test_pass(q.tail == NULL);
97	test_pass(q.length == 0);
98
99	test_pass(pkg_queue_is_empty(&q));
100
101	pkgp = pkg_queue_pop(&q);
102	test_pass(pkgp == NULL);
103	test_pass(q.head == NULL);
104	test_pass(q.tail == NULL);
105	test_pass(q.length == 0);
106
107	pkg_queue_destroy(&q);
108	}
109
110	TEST_ENTRY(test)
111	{
112	test_plan(38);
113
114	test_pkg_queue_init();
115	test_pkg_queue_push_pop();
116	}