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/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <net/if.h>
#include <errno.h>
#include <ifaddrs.h>
#include <gtest/gtest.h>
TEST(net_if, if_nametoindex_if_indextoname) {
unsigned index;
index = if_nametoindex("lo");
ASSERT_NE(index, 0U);
char buf[IF_NAMESIZE] = {};
char* name = if_indextoname(index, buf);
ASSERT_STREQ("lo", name);
}
TEST(net_if, if_nametoindex_fail) {
unsigned index = if_nametoindex("this-interface-does-not-exist");
ASSERT_EQ(0U, index);
}
TEST(net_if, if_nameindex) {
struct if_nameindex* list = if_nameindex();
ASSERT_TRUE(list != nullptr);
ASSERT_TRUE(list->if_index != 0);
std::set<std::string> if_nameindex_names;
char buf[IF_NAMESIZE] = {};
bool saw_lo = false;
for (struct if_nameindex* it = list; it->if_index != 0; ++it) {
fprintf(stderr, "\t%d\t%s\n", it->if_index, it->if_name);
if_nameindex_names.insert(it->if_name);
EXPECT_EQ(it->if_index, if_nametoindex(it->if_name));
EXPECT_STREQ(it->if_name, if_indextoname(it->if_index, buf));
if (strcmp(it->if_name, "lo") == 0) saw_lo = true;
}
ASSERT_TRUE(saw_lo);
if_freenameindex(list);
std::set<std::string> getifaddrs_names;
ifaddrs* ifa;
ASSERT_EQ(0, getifaddrs(&ifa));
for (ifaddrs* it = ifa; it != nullptr; it = it->ifa_next) {
getifaddrs_names.insert(it->ifa_name);
}
freeifaddrs(ifa);
ASSERT_EQ(getifaddrs_names, if_nameindex_names);
}
TEST(net_if, if_freenameindex_nullptr) {
#if defined(__BIONIC__)
if_freenameindex(nullptr);
#endif
}