1 /* $NetBSD: t_pslist.c,v 1.1 2016/04/09 04:39:47 riastradh Exp $ */ 2 3 /*- 4 * Copyright (c) 2016 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Taylor R. Campbell. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/pslist.h> 33 34 #include <atf-c.h> 35 36 /* 37 * XXX This is a limited test to make sure the operations behave as 38 * described on a sequential machine. It does nothing to test the 39 * pserialize-safety of any operations. 40 */ 41 42 ATF_TC(misc); 43 ATF_TC_HEAD(misc, tc) 44 { 45 atf_tc_set_md_var(tc, "descr", "pserialize-safe list tests"); 46 } 47 ATF_TC_BODY(misc, tc) 48 { 49 struct pslist_head h = PSLIST_INITIALIZER; 50 struct element { 51 unsigned i; 52 struct pslist_entry entry; 53 } elements[] = { 54 { .i = 0, .entry = PSLIST_ENTRY_INITIALIZER }, 55 { .i = 1 }, 56 { .i = 2 }, 57 { .i = 3 }, 58 { .i = 4 }, 59 { .i = 5 }, 60 { .i = 6 }, 61 { .i = 7 }, 62 }; 63 struct element *element; 64 unsigned i; 65 66 /* Check PSLIST_INITIALIZER is destroyable. */ 67 PSLIST_DESTROY(&h); 68 PSLIST_INIT(&h); 69 70 /* Check PSLIST_ENTRY_INITIALIZER is destroyable. */ 71 PSLIST_ENTRY_DESTROY(&elements[0], entry); 72 73 for (i = 0; i < __arraycount(elements); i++) 74 PSLIST_ENTRY_INIT(&elements[i], entry); 75 76 PSLIST_WRITER_INSERT_HEAD(&h, &elements[4], entry); 77 PSLIST_WRITER_INSERT_BEFORE(&elements[4], &elements[2], entry); 78 PSLIST_WRITER_INSERT_BEFORE(&elements[4], &elements[3], entry); 79 PSLIST_WRITER_INSERT_BEFORE(&elements[2], &elements[1], entry); 80 PSLIST_WRITER_INSERT_HEAD(&h, &elements[0], entry); 81 PSLIST_WRITER_INSERT_AFTER(&elements[4], &elements[5], entry); 82 PSLIST_WRITER_INSERT_AFTER(&elements[5], &elements[7], entry); 83 PSLIST_WRITER_INSERT_AFTER(&elements[5], &elements[6], entry); 84 85 PSLIST_WRITER_REMOVE(&elements[0], entry); 86 ATF_CHECK(elements[0].entry.ple_next != NULL); 87 PSLIST_ENTRY_DESTROY(&elements[0], entry); 88 89 PSLIST_WRITER_REMOVE(&elements[4], entry); 90 ATF_CHECK(elements[4].entry.ple_next != NULL); 91 PSLIST_ENTRY_DESTROY(&elements[4], entry); 92 93 PSLIST_ENTRY_INIT(&elements[0], entry); 94 PSLIST_WRITER_INSERT_HEAD(&h, &elements[0], entry); 95 96 PSLIST_ENTRY_INIT(&elements[4], entry); 97 PSLIST_WRITER_INSERT_AFTER(&elements[3], &elements[4], entry); 98 99 i = 0; 100 PSLIST_WRITER_FOREACH(element, &h, struct element, entry) { 101 ATF_CHECK_EQ(i, element->i); 102 i++; 103 } 104 i = 0; 105 PSLIST_READER_FOREACH(element, &h, struct element, entry) { 106 ATF_CHECK_EQ(i, element->i); 107 i++; 108 } 109 110 while ((element = PSLIST_WRITER_FIRST(&h, struct element, entry)) 111 != NULL) { 112 PSLIST_WRITER_REMOVE(element, entry); 113 PSLIST_ENTRY_DESTROY(element, entry); 114 } 115 116 PSLIST_DESTROY(&h); 117 } 118 119 ATF_TP_ADD_TCS(tp) 120 { 121 122 ATF_TP_ADD_TC(tp, misc); 123 124 return atf_no_error(); 125 } 126