131 lines
4.0 KiB
C++
131 lines
4.0 KiB
C++
// SPDX-License-Identifier: BSD-2-Clause
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// author: Max Kellermann <max.kellermann@gmail.com>
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#include "net/IPv6Address.hxx"
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#include "net/ToString.hxx"
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#include "util/Compiler.h"
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#include <gtest/gtest.h>
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#include <stdexcept>
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#ifndef _WIN32
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#include <arpa/inet.h>
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#endif
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#if GCC_CHECK_VERSION(11,0)
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/* suppress warning for calling GetSize() on uninitialized object */
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#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
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#endif
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TEST(IPv6AddressTest, Basic)
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{
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IPv6Address dummy;
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EXPECT_EQ(dummy.GetSize(), sizeof(struct sockaddr_in6));
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}
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TEST(IPv6AddressTest, Port)
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{
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IPv6Address a(12345);
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EXPECT_EQ(a.GetPort(), 12345u);
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a.SetPort(42);
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EXPECT_EQ(a.GetPort(), 42u);
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}
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static bool
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operator==(const struct in6_addr &a, const struct in6_addr &b)
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{
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return memcmp(&a, &b, sizeof(a)) == 0;
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}
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TEST(IPv6AddressTest, Mask)
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{
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EXPECT_EQ(IPv6Address::MaskFromPrefix(0).GetAddress(),
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IPv6Address(0, 0, 0, 0, 0, 0, 0, 0, 0).GetAddress());
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EXPECT_EQ(IPv6Address::MaskFromPrefix(128).GetAddress(),
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IPv6Address(0xffff, 0xffff, 0xffff, 0xffff,
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0xffff, 0xffff, 0xffff, 0xffff, 0).GetAddress());
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EXPECT_EQ(IPv6Address::MaskFromPrefix(127).GetAddress(),
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IPv6Address(0xffff, 0xffff, 0xffff, 0xffff,
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0xffff, 0xffff, 0xffff, 0xfffe, 0).GetAddress());
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EXPECT_EQ(IPv6Address::MaskFromPrefix(64).GetAddress(),
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IPv6Address(0xffff, 0xffff, 0xffff, 0xffff,
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0, 0, 0, 0, 0).GetAddress());
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EXPECT_EQ(IPv6Address::MaskFromPrefix(56).GetAddress(),
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IPv6Address(0xffff, 0xffff, 0xffff, 0xff00,
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0, 0, 0, 0, 0).GetAddress());
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}
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TEST(IPv6AddressTest, And)
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{
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EXPECT_EQ((IPv6Address::MaskFromPrefix(128) &
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IPv6Address::MaskFromPrefix(56)).GetAddress(),
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IPv6Address::MaskFromPrefix(56).GetAddress());
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EXPECT_EQ((IPv6Address::MaskFromPrefix(48) &
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IPv6Address(0x2a00, 0x1450, 0x4001, 0x816,
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0, 0, 0, 0x200e, 0)).GetAddress(),
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IPv6Address(0x2a00, 0x1450, 0x4001, 0,
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0, 0, 0, 0, 0).GetAddress());
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EXPECT_EQ((IPv6Address::MaskFromPrefix(24) &
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IPv6Address(0x2a00, 0x1450, 0x4001, 0x816,
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0, 0, 0, 0x200e, 0)).GetAddress(),
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IPv6Address(0x2a00, 0x1400, 0, 0,
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0, 0, 0, 0, 0).GetAddress());
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}
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static std::string
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ToString(const struct in6_addr &a)
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{
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#ifdef _WIN32
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/* on mingw32, the parameter is non-const (PVOID) */
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const auto p = const_cast<struct in6_addr *>(&a);
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#else
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const auto p = &a;
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#endif
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char buffer[256];
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const char *result = inet_ntop(AF_INET6, p, buffer, sizeof(buffer));
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if (result == nullptr)
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throw std::runtime_error("inet_ntop() failed");
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return result;
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}
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TEST(IPv6Address, Octets)
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{
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static constexpr auto a = IPv6Address(0x1110, 0x2220, 0x3330, 0x4440,
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0x5550, 0x6660, 0x7770, 0x8880,
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1234);
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EXPECT_EQ(ToString(a.GetAddress()), "1110:2220:3330:4440:5550:6660:7770:8880");
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}
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TEST(IPv6Address, Any)
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{
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EXPECT_EQ(ToString(IPv6Address(1234).GetAddress()), "::");
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EXPECT_EQ(ToString(IPv6Address(1234)), "[::]:1234");
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}
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TEST(IPv6Address, Port)
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{
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EXPECT_EQ(IPv6Address(0).GetPort(), 0);
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EXPECT_EQ(IPv6Address(1).GetPort(), 1);
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EXPECT_EQ(IPv6Address(1234).GetPort(), 1234);
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EXPECT_EQ(IPv6Address(0xffff).GetPort(), 0xffff);
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}
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TEST(IPv6Address, MaskFromPrefix)
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{
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EXPECT_EQ(ToString(IPv6Address::MaskFromPrefix(0).GetAddress()), "::");
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EXPECT_EQ(ToString(IPv6Address::MaskFromPrefix(1).GetAddress()), "8000::");
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EXPECT_EQ(ToString(IPv6Address::MaskFromPrefix(8).GetAddress()), "ff00::");
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EXPECT_EQ(ToString(IPv6Address::MaskFromPrefix(16).GetAddress()), "ffff::");
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EXPECT_EQ(ToString(IPv6Address::MaskFromPrefix(17).GetAddress()), "ffff:8000::");
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EXPECT_EQ(ToString(IPv6Address::MaskFromPrefix(32).GetAddress()), "ffff:ffff::");
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EXPECT_EQ(ToString(IPv6Address::MaskFromPrefix(64).GetAddress()), "ffff:ffff:ffff:ffff::");
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EXPECT_TRUE(/* glibc: */
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ToString(IPv6Address::MaskFromPrefix(112).GetAddress()) == "ffff:ffff:ffff:ffff:ffff:ffff:ffff:0" ||
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/* macOS: */
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ToString(IPv6Address::MaskFromPrefix(112).GetAddress()) == "ffff:ffff:ffff:ffff:ffff:ffff:ffff::");
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EXPECT_EQ(ToString(IPv6Address::MaskFromPrefix(128).GetAddress()), "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff");
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}
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