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// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2015 Red Hat, Inc.
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*/
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#include "nm-default.h"
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#include "n-acd/src/n-acd.h"
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#include "devices/nm-acd-manager.h"
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#include "platform/tests/test-common.h"
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#define IFACE_VETH0 "nm-test-veth0"
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#define IFACE_VETH1 "nm-test-veth1"
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#define ADDR1 0x01010101
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#define ADDR2 0x02020202
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#define ADDR3 0x03030303
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#define ADDR4 0x04040404
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/*****************************************************************************/
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static gboolean
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_skip_acd_test_check (void)
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{
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NAcd *acd;
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NAcdConfig *config;
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const guint8 hwaddr[ETH_ALEN] = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06 };
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int r;
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static int skip = -1;
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if (skip == -1) {
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r = n_acd_config_new (&config);
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g_assert (r == 0);
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n_acd_config_set_ifindex (config, 1);
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n_acd_config_set_transport (config, N_ACD_TRANSPORT_ETHERNET);
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n_acd_config_set_mac (config, hwaddr, sizeof (hwaddr));
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r = n_acd_new (&acd, config);
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n_acd_config_free (config);
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if (r == 0)
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n_acd_unref (acd);
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skip = (r != 0);
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}
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return skip;
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}
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#define _skip_acd_test() \
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({ \
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gboolean _skip = _skip_acd_test_check (); \
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\
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if (_skip) \
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g_test_skip ("Cannot create NAcd. Running under valgind?"); \
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_skip; \
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})
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/*****************************************************************************/
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typedef struct {
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int ifindex0;
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int ifindex1;
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const guint8 *hwaddr0;
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const guint8 *hwaddr1;
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size_t hwaddr0_len;
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size_t hwaddr1_len;
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} test_fixture;
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static void
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fixture_setup (test_fixture *fixture, gconstpointer user_data)
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{
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/* create veth pair. */
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fixture->ifindex0 = nmtstp_link_veth_add (NM_PLATFORM_GET, -1, IFACE_VETH0, IFACE_VETH1)->ifindex;
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fixture->ifindex1 = nmtstp_link_get_typed (NM_PLATFORM_GET, -1, IFACE_VETH1, NM_LINK_TYPE_VETH)->ifindex;
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g_assert (nm_platform_link_set_up (NM_PLATFORM_GET, fixture->ifindex0, NULL));
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g_assert (nm_platform_link_set_up (NM_PLATFORM_GET, fixture->ifindex1, NULL));
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fixture->hwaddr0 = nm_platform_link_get_address (NM_PLATFORM_GET, fixture->ifindex0, &fixture->hwaddr0_len);
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fixture->hwaddr1 = nm_platform_link_get_address (NM_PLATFORM_GET, fixture->ifindex1, &fixture->hwaddr1_len);
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}
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typedef struct {
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in_addr_t addresses[8];
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in_addr_t peer_addresses[8];
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gboolean expected_result[8];
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} TestInfo;
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static void
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acd_manager_probe_terminated (NMAcdManager *acd_manager, gpointer user_data)
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{
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g_main_loop_quit (user_data);
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}
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static void
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test_acd_common (test_fixture *fixture, TestInfo *info)
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{
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nm_auto_free_acdmgr NMAcdManager *manager = NULL;
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nm_auto_unref_gmainloop GMainLoop *loop = NULL;
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int i;
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const guint WAIT_TIME_OPTIMISTIC = 50;
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guint wait_time;
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static const NMAcdCallbacks callbacks = {
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.probe_terminated_callback = acd_manager_probe_terminated,
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.user_data_destroy = (GDestroyNotify) g_main_loop_unref,
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};
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int r;
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if (_skip_acd_test ())
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return;
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/* first, try with a short waittime. We hope that this is long enough
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* to successfully complete the test. Only if that's not the case, we
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* assume the computer is currently busy (high load) and we retry with
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* a longer timeout. */
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wait_time = WAIT_TIME_OPTIMISTIC;
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again:
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nm_clear_pointer (&loop, g_main_loop_unref);
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loop = g_main_loop_new (NULL, FALSE);
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nm_clear_pointer (&manager, nm_acd_manager_free);
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manager = nm_acd_manager_new (fixture->ifindex0,
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fixture->hwaddr0,
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fixture->hwaddr0_len,
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&callbacks,
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g_main_loop_ref (loop));
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g_assert (manager != NULL);
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for (i = 0; info->addresses[i]; i++)
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g_assert (nm_acd_manager_add_address (manager, info->addresses[i]));
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for (i = 0; info->peer_addresses[i]; i++) {
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nmtstp_ip4_address_add (NULL, FALSE, fixture->ifindex1, info->peer_addresses[i],
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24, 0, 3600, 1800, 0, NULL);
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}
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r = nm_acd_manager_start_probe (manager, wait_time);
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g_assert_cmpint (r, ==, 0);
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g_assert (nmtst_main_loop_run (loop, 2000));
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for (i = 0; info->addresses[i]; i++) {
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gboolean val;
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char sbuf[NM_UTILS_INET_ADDRSTRLEN];
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val = nm_acd_manager_check_address (manager, info->addresses[i]);
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if (val == info->expected_result[i])
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continue;
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if (wait_time == WAIT_TIME_OPTIMISTIC) {
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/* probably we just had a glitch and the system took longer than
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* expected. Re-verify with a large timeout this time. */
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wait_time = 1000;
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goto again;
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}
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g_error ("expected check for address #%d (%s) to %s, but it didn't",
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i, _nm_utils_inet4_ntop (info->addresses[i], sbuf),
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info->expected_result[i] ? "detect no duplicated" : "detect a duplicate");
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}
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}
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static void
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test_acd_probe_1 (test_fixture *fixture, gconstpointer user_data)
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{
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TestInfo info = { .addresses = { ADDR1, ADDR2, ADDR3 },
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.peer_addresses = { ADDR4 },
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.expected_result = { TRUE, TRUE, TRUE } };
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test_acd_common (fixture, &info;;
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}
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static void
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test_acd_probe_2 (test_fixture *fixture, gconstpointer user_data)
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{
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TestInfo info = { .addresses = { ADDR1, ADDR2, ADDR3, ADDR4 },
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.peer_addresses = { ADDR3, ADDR2 },
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.expected_result = { TRUE, FALSE, FALSE, TRUE } };
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test_acd_common (fixture, &info;;
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}
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static void
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test_acd_announce (test_fixture *fixture, gconstpointer user_data)
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{
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nm_auto_free_acdmgr NMAcdManager *manager = NULL;
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nm_auto_unref_gmainloop GMainLoop *loop = NULL;
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int r;
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if (_skip_acd_test ())
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return;
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manager = nm_acd_manager_new (fixture->ifindex0,
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fixture->hwaddr0,
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fixture->hwaddr0_len,
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NULL,
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NULL);
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g_assert (manager != NULL);
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g_assert (nm_acd_manager_add_address (manager, ADDR1));
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g_assert (nm_acd_manager_add_address (manager, ADDR2));
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loop = g_main_loop_new (NULL, FALSE);
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r = nm_acd_manager_announce_addresses (manager);
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g_assert_cmpint (r, ==, 0);
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g_assert (!nmtst_main_loop_run (loop, 200));
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}
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static void
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fixture_teardown (test_fixture *fixture, gconstpointer user_data)
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{
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nm_platform_link_delete (NM_PLATFORM_GET, fixture->ifindex0);
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nm_platform_link_delete (NM_PLATFORM_GET, fixture->ifindex1);
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}
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NMTstpSetupFunc const _nmtstp_setup_platform_func = nm_linux_platform_setup;
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void
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_nmtstp_init_tests (int *argc, char ***argv)
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{
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nmtst_init_with_logging (argc, argv, NULL, "ALL");
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}
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void
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_nmtstp_setup_tests (void)
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{
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g_test_add ("/acd/probe/1", test_fixture, NULL, fixture_setup, test_acd_probe_1, fixture_teardown);
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g_test_add ("/acd/probe/2", test_fixture, NULL, fixture_setup, test_acd_probe_2, fixture_teardown);
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g_test_add ("/acd/announce", test_fixture, NULL, fixture_setup, test_acd_announce, fixture_teardown);
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}
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