llvm/lldb/unittests/Host/SocketAddressTest.cpp

//===-- SocketAddressTest.cpp ---------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#include "lldb/Host/SocketAddress.h"
#include "TestingSupport/SubsystemRAII.h"
#include "lldb/Host/Socket.h"
#include "llvm/Testing/Support/Error.h"

#include "gtest/gtest.h"

usingnamespacelldb_private;

namespace {
class SocketAddressTest : public testing::Test { … };
} // namespace

TEST_F(SocketAddressTest, Set) { … }

TEST_F(SocketAddressTest, GetAddressInfo) { … }

#ifdef _WIN32

// we need to test our inet_ntop implementation for Windows XP
const char *inet_ntop(int af, const void *src, char *dst, socklen_t size);

TEST_F(SocketAddressTest, inet_ntop) {
  const uint8_t address4[4] = {255, 0, 1, 100};
  const uint8_t address6[16] = {0, 1, 2,  3,  4,  5,  6,   7,
                                8, 9, 10, 11, 12, 13, 255, 0};

  char buffer[INET6_ADDRSTRLEN];
  memset(buffer, 'x', sizeof(buffer));
  EXPECT_STREQ("1:203:405:607:809:a0b:c0d:ff00",
               inet_ntop(AF_INET6, address6, buffer, sizeof(buffer)));
  memset(buffer, 'x', sizeof(buffer));
  EXPECT_STREQ("1:203:405:607:809:a0b:c0d:ff00",
               inet_ntop(AF_INET6, address6, buffer, 31));
  memset(buffer, 'x', sizeof(buffer));
  EXPECT_STREQ(nullptr, inet_ntop(AF_INET6, address6, buffer, 0));
  memset(buffer, 'x', sizeof(buffer));
  EXPECT_STREQ(nullptr, inet_ntop(AF_INET6, address6, buffer, 30));

  memset(buffer, 'x', sizeof(buffer));
  EXPECT_STREQ("255.0.1.100",
               inet_ntop(AF_INET, address4, buffer, sizeof(buffer)));
  memset(buffer, 'x', sizeof(buffer));
  EXPECT_STREQ("255.0.1.100", inet_ntop(AF_INET, address4, buffer, 12));
  memset(buffer, 'x', sizeof(buffer));
  EXPECT_STREQ(nullptr, inet_ntop(AF_INET, address4, buffer, 0));
  memset(buffer, 'x', sizeof(buffer));
  EXPECT_STREQ(nullptr, inet_ntop(AF_INET, address4, buffer, 11));
}

#endif