mpd/test/net/TestIPv6Address.cxx

95 lines
3.4 KiB
C++

/*
* Copyright 2012-2020 Max Kellermann <max.kellermann@gmail.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "net/IPv6Address.hxx"
#include "net/ToString.hxx"
#include <gtest/gtest.h>
#include <stdexcept>
#ifndef _WIN32
#include <arpa/inet.h>
#endif
static std::string
ToString(const struct in6_addr &a)
{
#ifdef _WIN32
/* on mingw32, the parameter is non-const (PVOID) */
const auto p = const_cast<struct in6_addr *>(&a);
#else
const auto p = &a;
#endif
char buffer[256];
const char *result = inet_ntop(AF_INET6, p, buffer, sizeof(buffer));
if (result == nullptr)
throw std::runtime_error("inet_ntop() failed");
return result;
}
TEST(IPv6Address, Octets)
{
static constexpr auto a = IPv6Address(0x1110, 0x2220, 0x3330, 0x4440,
0x5550, 0x6660, 0x7770, 0x8880,
1234);
EXPECT_EQ(ToString(a.GetAddress()), "1110:2220:3330:4440:5550:6660:7770:8880");
}
TEST(IPv6Address, Any)
{
EXPECT_EQ(ToString(IPv6Address(1234).GetAddress()), "::");
EXPECT_EQ(ToString(IPv6Address(1234)), "[::]:1234");
}
TEST(IPv6Address, Port)
{
EXPECT_EQ(IPv6Address(0).GetPort(), 0);
EXPECT_EQ(IPv6Address(1).GetPort(), 1);
EXPECT_EQ(IPv6Address(1234).GetPort(), 1234);
EXPECT_EQ(IPv6Address(0xffff).GetPort(), 0xffff);
}
TEST(IPv6Address, MaskFromPrefix)
{
EXPECT_EQ(ToString(IPv6Address::MaskFromPrefix(0).GetAddress()), "::");
EXPECT_EQ(ToString(IPv6Address::MaskFromPrefix(1).GetAddress()), "8000::");
EXPECT_EQ(ToString(IPv6Address::MaskFromPrefix(8).GetAddress()), "ff00::");
EXPECT_EQ(ToString(IPv6Address::MaskFromPrefix(16).GetAddress()), "ffff::");
EXPECT_EQ(ToString(IPv6Address::MaskFromPrefix(17).GetAddress()), "ffff:8000::");
EXPECT_EQ(ToString(IPv6Address::MaskFromPrefix(32).GetAddress()), "ffff:ffff::");
EXPECT_EQ(ToString(IPv6Address::MaskFromPrefix(64).GetAddress()), "ffff:ffff:ffff:ffff::");
EXPECT_TRUE(/* glibc: */
ToString(IPv6Address::MaskFromPrefix(112).GetAddress()) == "ffff:ffff:ffff:ffff:ffff:ffff:ffff:0" ||
/* macOS: */
ToString(IPv6Address::MaskFromPrefix(112).GetAddress()) == "ffff:ffff:ffff:ffff:ffff:ffff:ffff::");
EXPECT_EQ(ToString(IPv6Address::MaskFromPrefix(128).GetAddress()), "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff");
}