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Diffstat (limited to 'tests/lib/test_nexthop.c')
| -rw-r--r-- | tests/lib/test_nexthop.c | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/tests/lib/test_nexthop.c b/tests/lib/test_nexthop.c new file mode 100644 index 000000000..659d207b4 --- /dev/null +++ b/tests/lib/test_nexthop.c @@ -0,0 +1,201 @@ +/* + * Nexthop module test. + * + * Copyright (C) 2021 by Volta Networks, Inc. + * + * This file is part of FRR. + * + * FRR 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, or (at your option) any + * later version. + * + * FRR 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; see the file COPYING; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <zebra.h> +#include <nexthop.h> + +static bool verbose; + +static void test_run_first(void) +{ + int ret, i; + struct nexthop *nh1, *nh2; + struct in_addr addr; + struct in6_addr addr6; + mpls_label_t labels[MPLS_MAX_LABELS]; + + /* Test comparison apis */ + + /* ifindex comparisons */ + nh1 = nexthop_from_ifindex(11, 0); + nh2 = nexthop_from_ifindex(12, 0); + + ret = nexthop_cmp_basic(nh1, nh2); + assert(ret < 0); + + nexthop_free(nh1); + nh1 = nexthop_from_ifindex(12, 0); + + ret = nexthop_cmp_basic(nh1, nh2); + assert(ret == 0); + + nexthop_free(nh1); + nexthop_free(nh2); + + /* ipv4, vrf */ + addr.s_addr = 0x04030201; + nh1 = nexthop_from_ipv4(&addr, NULL, 0); + nh2 = nexthop_from_ipv4(&addr, NULL, 111); + + ret = nexthop_cmp_basic(nh1, nh2); + assert(ret != 0); + + nexthop_free(nh2); + + addr.s_addr = 0x04030202; + nh2 = nexthop_from_ipv4(&addr, NULL, 0); + + ret = nexthop_cmp_basic(nh1, nh2); + assert(ret != 0); + + nexthop_free(nh2); + + addr.s_addr = 0x04030201; + nh2 = nexthop_from_ipv4(&addr, NULL, 0); + + ret = nexthop_cmp_basic(nh1, nh2); + assert(ret == 0); + + /* Weight */ + nh2->weight = 20; + + ret = nexthop_cmp_basic(nh1, nh2); + assert(ret != 0); + + nexthop_free(nh1); + nexthop_free(nh2); + + /* ipv6 */ + memset(addr6.s6_addr, 0, sizeof(addr6.s6_addr)); + nh1 = nexthop_from_ipv6(&addr6, 0); + nh2 = nexthop_from_ipv6(&addr6, 0); + + ret = nexthop_cmp_basic(nh1, nh2); + assert(ret == 0); + + nexthop_free(nh2); + + nh2 = nexthop_from_ipv6(&addr6, 1); + + ret = nexthop_cmp_basic(nh1, nh2); + assert(ret != 0); + + nexthop_free(nh2); + + addr6.s6_addr[14] = 1; + addr6.s6_addr[15] = 1; + nh2 = nexthop_from_ipv6(&addr6, 0); + + ret = nexthop_cmp_basic(nh1, nh2); + assert(ret != 0); + + nexthop_free(nh1); + nexthop_free(nh2); + + /* Blackhole */ + nh1 = nexthop_from_blackhole(BLACKHOLE_REJECT); + nh2 = nexthop_from_blackhole(BLACKHOLE_REJECT); + + ret = nexthop_cmp_basic(nh1, nh2); + assert(ret == 0); + + nexthop_free(nh2); + + nh2 = nexthop_from_blackhole(BLACKHOLE_NULL); + + ret = nexthop_cmp_basic(nh1, nh2); + assert(ret != 0); + + /* Labels */ + addr.s_addr = 0x04030201; + nh1 = nexthop_from_ipv4(&addr, NULL, 0); + nh2 = nexthop_from_ipv4(&addr, NULL, 0); + + memset(labels, 0, sizeof(labels)); + labels[0] = 111; + labels[1] = 222; + + nexthop_add_labels(nh1, ZEBRA_LSP_STATIC, 2, labels); + + ret = nexthop_cmp_basic(nh1, nh2); + assert(ret != 0); + + nexthop_add_labels(nh2, ZEBRA_LSP_STATIC, 2, labels); + + ret = nexthop_cmp_basic(nh1, nh2); + assert(ret == 0); + + nexthop_free(nh2); + + /* LSP type isn't included */ + nh2 = nexthop_from_ipv4(&addr, NULL, 0); + nexthop_add_labels(nh2, ZEBRA_LSP_LDP, 2, labels); + + ret = nexthop_cmp_basic(nh1, nh2); + assert(ret == 0); + + nexthop_free(nh2); + + labels[2] = 333; + nh2 = nexthop_from_ipv4(&addr, NULL, 0); + nexthop_add_labels(nh2, ZEBRA_LSP_LDP, 3, labels); + + ret = nexthop_cmp_basic(nh1, nh2); + assert(ret != 0); + + nexthop_free(nh1); + nexthop_free(nh2); + + nh1 = nexthop_from_ipv4(&addr, NULL, 0); + nh2 = nexthop_from_ipv4(&addr, NULL, 0); + + for (i = 0; i < MPLS_MAX_LABELS; i++) + labels[i] = 111 * (i + 1); + + nexthop_add_labels(nh1, ZEBRA_LSP_LDP, MPLS_MAX_LABELS, labels); + nexthop_add_labels(nh2, ZEBRA_LSP_LDP, MPLS_MAX_LABELS, labels); + + ret = nexthop_cmp_basic(nh1, nh2); + assert(ret == 0); + + nexthop_free(nh2); + + /* Test very last label in stack */ + labels[15] = 999; + nh2 = nexthop_from_ipv4(&addr, NULL, 0); + nexthop_add_labels(nh2, ZEBRA_LSP_LDP, MPLS_MAX_LABELS, labels); + + ret = nexthop_cmp_basic(nh1, nh2); + assert(ret != 0); + + /* End */ + nexthop_free(nh1); + nexthop_free(nh2); +} + +int main(int argc, char **argv) +{ + if (argc >= 2 && !strcmp("-v", argv[1])) + verbose = true; + test_run_first(); + printf("Simple test passed.\n"); +} |