1 /* 2 * tests/check-attr.c nla_attr unit tests 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Lesser General Public 6 * License as published by the Free Software Foundation version 2.1 7 * of the License. 8 * 9 * Copyright (c) 2013 Thomas Graf <tgraf (at) suug.ch> 10 */ 11 12 #include "util.h" 13 #include <netlink/attr.h> 14 #include <netlink/msg.h> 15 16 START_TEST(attr_size) 17 { 18 fail_if(nla_attr_size(0) != NLA_HDRLEN, 19 "Length of empty attribute should match header size"); 20 fail_if(nla_attr_size(1) != NLA_HDRLEN + 1, 21 "Length of 1 bytes payload should be NLA_HDRLEN + 1"); 22 fail_if(nla_attr_size(2) != NLA_HDRLEN + 2, 23 "Length of 2 bytes payload should be NLA_HDRLEN + 2"); 24 fail_if(nla_attr_size(3) != NLA_HDRLEN + 3, 25 "Length of 3 bytes payload should be NLA_HDRLEN + 3"); 26 fail_if(nla_attr_size(4) != NLA_HDRLEN + 4, 27 "Length of 4 bytes payload should be NLA_HDRLEN + 4"); 28 29 fail_if(nla_total_size(1) != NLA_HDRLEN + 4, 30 "Total size of 1 bytes payload should result in 8 bytes"); 31 fail_if(nla_total_size(2) != NLA_HDRLEN + 4, 32 "Total size of 2 bytes payload should result in 8 bytes"); 33 fail_if(nla_total_size(3) != NLA_HDRLEN + 4, 34 "Total size of 3 bytes payload should result in 8 bytes"); 35 fail_if(nla_total_size(4) != NLA_HDRLEN + 4, 36 "Total size of 4 bytes payload should result in 8 bytes"); 37 38 fail_if(nla_padlen(1) != 3, 39 "2 bytes of payload should result in 3 padding bytes"); 40 fail_if(nla_padlen(2) != 2, 41 "2 bytes of payload should result in 2 padding bytes"); 42 fail_if(nla_padlen(3) != 1, 43 "3 bytes of payload should result in 1 padding bytes"); 44 fail_if(nla_padlen(4) != 0, 45 "4 bytes of payload should result in 0 padding bytes"); 46 fail_if(nla_padlen(5) != 3, 47 "5 bytes of payload should result in 3 padding bytes"); 48 } 49 END_TEST 50 51 START_TEST(msg_construct) 52 { 53 struct nl_msg *msg; 54 struct nlmsghdr *nlh; 55 struct nlattr *a; 56 int i, rem; 57 58 msg = nlmsg_alloc(); 59 fail_if(!msg, "Unable to allocate netlink message"); 60 61 for (i = 1; i < 256; i++) { 62 fail_if(nla_put_u32(msg, i, i+1) != 0, 63 "Unable to add attribute %d", i); 64 } 65 66 nlh = nlmsg_hdr(msg); 67 i = 1; 68 nlmsg_for_each_attr(a, nlh, 0, rem) { 69 fail_if(nla_type(a) != i, "Expected attribute %d", i); 70 i++; 71 fail_if(nla_get_u32(a) != i, "Expected attribute value %d", i); 72 } 73 74 nlmsg_free(msg); 75 } 76 END_TEST 77 78 Suite *make_nl_attr_suite(void) 79 { 80 Suite *suite = suite_create("Netlink attributes"); 81 82 TCase *nl_attr = tcase_create("Core"); 83 tcase_add_test(nl_attr, attr_size); 84 tcase_add_test(nl_attr, msg_construct); 85 suite_add_tcase(suite, nl_attr); 86 87 return suite; 88 } 89
