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wownero/tests/unit_tests/epee_utils.cpp
Lee Clagett 26a42fe54a Added features to epee::span<T> : 
- Support for classes
  - Added `remove_prefix` function
  - Added `to_mut_span` and `as_mut_byte_span`
2018-08-03 20:33:07 -04:00

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// Copyright (c) 2014-2018, The Monero Project
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. 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.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// 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 COPYRIGHT HOLDER 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 <array>
#include <boost/endian/conversion.hpp>
#include <boost/range/algorithm/equal.hpp>
#include <boost/range/algorithm_ext/iota.hpp>
#include <cstdint>
#include <gtest/gtest.h>
#include <iterator>
#include <string>
#include <sstream>
#include <vector>
#ifndef _WIN32
# include <arpa/inet.h>
#endif
#include "boost/archive/portable_binary_iarchive.hpp"
#include "boost/archive/portable_binary_oarchive.hpp"
#include "hex.h"
#include "net/net_utils_base.h"
#include "net/local_ip.h"
#include "p2p/net_peerlist_boost_serialization.h"
#include "span.h"
#include "string_tools.h"
namespace
{
template<typename Destination, typename Source>
bool can_construct()
{
const unsigned count =
unsigned(std::is_constructible<Destination, Source>()) +
unsigned(std::is_constructible<Destination, Source&>()) +
unsigned(std::is_convertible<Source, Destination>()) +
unsigned(std::is_convertible<Source&, Destination>()) +
unsigned(std::is_assignable<Destination, Source>()) +
unsigned(std::is_assignable<Destination, Source&>());
EXPECT_TRUE(count == 6 || count == 0) <<
"Mismatch on construction results - " << count << " were true";
return count == 6;
}
// This is probably stressing the compiler more than the implementation ...
constexpr const epee::span<const char> test_string("a string");
static_assert(!test_string.empty(), "test failure");
static_assert(test_string.size() == 9, "test failure");
static_assert(test_string.size_bytes() == 9, "test_failure");
static_assert(test_string.begin() == test_string.cbegin(), "test failure");
static_assert(test_string.end() == test_string.cend(), "test failure");
static_assert(test_string.cend() - test_string.cbegin() == 9, "test failure");
static_assert(*test_string.cbegin() == 'a', "test failure");
static_assert(*(test_string.cend() - 2) == 'g', "test failure");
static_assert(
epee::span<const char>(test_string).cbegin() + 3 == test_string.cbegin() + 3,
"test failure"
);
static_assert(epee::span<char>().empty(), "test failure");
static_assert(epee::span<char>(nullptr).empty(), "test failure");
static_assert(epee::span<const char>("foo", 2).size() == 2, "test failure");
std::string std_to_hex(const std::vector<unsigned char>& source)
{
std::stringstream out;
out << std::hex;
for (const unsigned char byte : source)
{
out << std::setw(2) << std::setfill('0') << int(byte);
}
return out.str();
}
std::vector<unsigned char> get_all_bytes()
{
std::vector<unsigned char> out;
out.resize(256);
boost::range::iota(out, 0);
return out;
}
#define CHECK_EQUAL(lhs, rhs) \
EXPECT_TRUE( lhs == rhs ); \
EXPECT_TRUE( rhs == lhs ); \
EXPECT_FALSE( lhs != rhs ); \
EXPECT_FALSE( rhs != lhs ); \
EXPECT_FALSE( lhs < rhs ); \
EXPECT_FALSE( rhs < lhs ); \
EXPECT_TRUE( lhs <= rhs ); \
EXPECT_TRUE( rhs <= lhs ); \
EXPECT_FALSE( lhs > rhs ); \
EXPECT_FALSE( rhs > lhs ); \
EXPECT_TRUE( lhs >= rhs ); \
EXPECT_TRUE( rhs >= lhs )
#define CHECK_LESS(lhs, rhs) \
EXPECT_FALSE( lhs == rhs ); \
EXPECT_FALSE( rhs == lhs ); \
EXPECT_TRUE( lhs != rhs ); \
EXPECT_TRUE( rhs != lhs ); \
EXPECT_TRUE( lhs < rhs ); \
EXPECT_FALSE( rhs < lhs ); \
EXPECT_TRUE( lhs <= rhs ); \
EXPECT_FALSE( rhs <= lhs ); \
EXPECT_FALSE( lhs > rhs ); \
EXPECT_TRUE( rhs > lhs ); \
EXPECT_FALSE( lhs >= rhs ); \
EXPECT_TRUE( rhs >= lhs )
#ifdef BOOST_LITTLE_ENDIAN
#define CHECK_LESS_ENDIAN(lhs, rhs) CHECK_LESS( rhs , lhs )
#else
#define CHECK_LESS_ENDIAN(lhs, rhs) CHECK_LESS( lhs , rhs )
#endif
}
TEST(Span, Traits)
{
EXPECT_TRUE((std::is_same<std::size_t, typename epee::span<char>::size_type>()));
EXPECT_TRUE((std::is_same<std::ptrdiff_t, typename epee::span<char>::difference_type>()));
EXPECT_TRUE((std::is_same<char, typename epee::span<char>::value_type>()));
EXPECT_TRUE((std::is_same<char*, typename epee::span<char>::pointer>()));
EXPECT_TRUE((std::is_same<const char*, typename epee::span<char>::const_pointer>()));
EXPECT_TRUE((std::is_same<char*, typename epee::span<char>::iterator>()));
EXPECT_TRUE((std::is_same<const char*, typename epee::span<char>::const_iterator>()));
EXPECT_TRUE((std::is_same<char&, typename epee::span<char>::reference>()));
EXPECT_TRUE((std::is_same<const char&, typename epee::span<char>::const_reference>()));
EXPECT_TRUE((std::is_same<std::size_t, typename epee::span<const char>::size_type>()));
EXPECT_TRUE((std::is_same<std::ptrdiff_t, typename epee::span<const char>::difference_type>()));
EXPECT_TRUE((std::is_same<const char, typename epee::span<const char>::value_type>()));
EXPECT_TRUE((std::is_same<const char*, typename epee::span<const char>::pointer>()));
EXPECT_TRUE((std::is_same<const char*, typename epee::span<const char>::const_pointer>()));
EXPECT_TRUE((std::is_same<const char*, typename epee::span<const char>::iterator>()));
EXPECT_TRUE((std::is_same<const char*, typename epee::span<const char>::const_iterator>()));
EXPECT_TRUE((std::is_same<const char&, typename epee::span<const char>::reference>()));
EXPECT_TRUE((std::is_same<const char&, typename epee::span<const char>::const_reference>()));
}
TEST(Span, MutableConstruction)
{
struct no_conversion{};
struct inherited : no_conversion {};
EXPECT_TRUE(std::is_constructible<epee::span<char>>());
EXPECT_TRUE((std::is_constructible<epee::span<char>, char*, std::size_t>()));
EXPECT_FALSE((std::is_constructible<epee::span<char>, const char*, std::size_t>()));
EXPECT_FALSE((std::is_constructible<epee::span<char>, unsigned char*, std::size_t>()));
EXPECT_TRUE(std::is_constructible<epee::span<no_conversion>>());
EXPECT_TRUE((std::is_constructible<epee::span<no_conversion>, no_conversion*, std::size_t>()));
EXPECT_FALSE((std::is_constructible<epee::span<no_conversion>, inherited*, std::size_t>()));
EXPECT_TRUE((can_construct<epee::span<char>, std::nullptr_t>()));
EXPECT_TRUE((can_construct<epee::span<char>, char(&)[1]>()));
EXPECT_FALSE((can_construct<epee::span<char>, std::vector<char>>()));
EXPECT_FALSE((can_construct<epee::span<char>, std::array<char, 1>>()));
EXPECT_FALSE((can_construct<epee::span<char>, std::wstring>()));
EXPECT_FALSE((can_construct<epee::span<char>, const std::vector<char>>()));
EXPECT_FALSE((can_construct<epee::span<char>, std::vector<unsigned char>>()));
EXPECT_FALSE((can_construct<epee::span<char>, const std::array<char, 1>>()));
EXPECT_FALSE((can_construct<epee::span<char>, std::array<unsigned char, 1>>()));
EXPECT_FALSE((can_construct<epee::span<char>, const char[1]>()));
EXPECT_FALSE((can_construct<epee::span<char>, unsigned char[1]>()));
EXPECT_FALSE((can_construct<epee::span<char>, epee::span<const char>>()));
EXPECT_FALSE((can_construct<epee::span<char>, epee::span<unsigned char>>()));
EXPECT_FALSE((can_construct<epee::span<char>, no_conversion>()));
}
TEST(Span, ImmutableConstruction)
{
struct no_conversion{};
struct inherited : no_conversion {};
EXPECT_TRUE(std::is_constructible<epee::span<const char>>());
EXPECT_TRUE((std::is_constructible<epee::span<const char>, char*, std::size_t>()));
EXPECT_TRUE((std::is_constructible<epee::span<const char>, const char*, std::size_t>()));
EXPECT_FALSE((std::is_constructible<epee::span<const char>, unsigned char*, std::size_t>()));
EXPECT_TRUE(std::is_constructible<epee::span<const no_conversion>>());
EXPECT_TRUE((std::is_constructible<epee::span<const no_conversion>, const no_conversion*, std::size_t>()));
EXPECT_TRUE((std::is_constructible<epee::span<const no_conversion>, no_conversion*, std::size_t>()));
EXPECT_FALSE((std::is_constructible<epee::span<const no_conversion>, const inherited*, std::size_t>()));
EXPECT_FALSE((std::is_constructible<epee::span<const no_conversion>, inherited*, std::size_t>()));
EXPECT_FALSE((can_construct<epee::span<const char>, std::string>()));
EXPECT_FALSE((can_construct<epee::span<const char>, std::vector<char>>()));
EXPECT_FALSE((can_construct<epee::span<const char>, const std::vector<char>>()));
EXPECT_FALSE((can_construct<epee::span<const char>, std::array<char, 1>>()));
EXPECT_FALSE((can_construct<epee::span<const char>, const std::array<char, 1>>()));
EXPECT_TRUE((can_construct<epee::span<const char>, std::nullptr_t>()));
EXPECT_TRUE((can_construct<epee::span<const char>, char[1]>()));
EXPECT_TRUE((can_construct<epee::span<const char>, const char[1]>()));
EXPECT_TRUE((can_construct<epee::span<const char>, epee::span<const char>>()));
EXPECT_FALSE((can_construct<epee::span<const char>, std::wstring>()));
EXPECT_FALSE((can_construct<epee::span<const char>, std::vector<unsigned char>>()));
EXPECT_FALSE((can_construct<epee::span<const char>, std::array<unsigned char, 1>>()));
EXPECT_FALSE((can_construct<epee::span<const char>, unsigned char[1]>()));
EXPECT_FALSE((can_construct<epee::span<const char>, epee::span<unsigned char>>()));
EXPECT_FALSE((can_construct<epee::span<const char>, no_conversion>()));
}
TEST(Span, NoExcept)
{
EXPECT_TRUE(std::is_nothrow_default_constructible<epee::span<char>>());
EXPECT_TRUE(std::is_nothrow_move_constructible<epee::span<char>>());
EXPECT_TRUE(std::is_nothrow_copy_constructible<epee::span<char>>());
EXPECT_TRUE(std::is_move_assignable<epee::span<char>>());
EXPECT_TRUE(std::is_copy_assignable<epee::span<char>>());
char data[10];
epee::span<char> lvalue(data);
const epee::span<char> clvalue(data);
EXPECT_TRUE(noexcept(epee::span<char>()));
EXPECT_TRUE(noexcept(epee::span<char>(nullptr)));
EXPECT_TRUE(noexcept(epee::span<char>(data)));
EXPECT_TRUE(noexcept(epee::span<char>(lvalue)));
EXPECT_TRUE(noexcept(epee::span<char>(clvalue)));
// conversion from mutable to immutable not yet implemented
// EXPECT_TRUE(noexcept(epee::span<const char>(lvalue)));
// EXPECT_TRUE(noexcept(epee::span<const char>(clvalue)));
EXPECT_TRUE(noexcept(epee::span<char>(epee::span<char>(lvalue))));
EXPECT_TRUE(noexcept(lvalue = lvalue));
EXPECT_TRUE(noexcept(lvalue = clvalue));
EXPECT_TRUE(noexcept(lvalue = epee::span<char>(lvalue)));
}
TEST(Span, Nullptr)
{
const auto check_empty = [](epee::span<const char> data)
{
EXPECT_TRUE(data.empty());
EXPECT_EQ(data.cbegin(), data.begin());
EXPECT_EQ(data.cend(), data.end());
EXPECT_EQ(data.cend(), data.cbegin());
EXPECT_EQ(0, data.size());
EXPECT_EQ(0, data.size_bytes());
};
check_empty({});
check_empty(nullptr);
}
TEST(Span, Writing)
{
const int expected[] = {-5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
std::vector<int> source;
epee::span<int> span;
EXPECT_TRUE(span.empty());
EXPECT_EQ(0, span.size());
EXPECT_EQ(0, span.size_bytes());
source.resize(15);
span = {source.data(), source.size()};
EXPECT_FALSE(span.empty());
EXPECT_EQ(15, span.size());
EXPECT_EQ(15 * 4, span.size_bytes());
boost::range::iota(span, -5);
EXPECT_EQ(span.begin(), span.cbegin());
EXPECT_EQ(span.end(), span.cend());
EXPECT_TRUE(boost::range::equal(expected, source));
EXPECT_TRUE(boost::range::equal(expected, span));
}
TEST(Span, RemovePrefix)
{
const std::array<unsigned, 4> expected{0, 1, 2, 3};
auto span = epee::to_span(expected);
EXPECT_EQ(expected.begin(), span.begin());
EXPECT_EQ(expected.end(), span.end());
EXPECT_EQ(2u, span.remove_prefix(2));
EXPECT_EQ(expected.begin() + 2, span.begin());
EXPECT_EQ(expected.end(), span.end());
EXPECT_EQ(2u, span.remove_prefix(3));
EXPECT_EQ(span.begin(), span.end());
EXPECT_EQ(expected.end(), span.begin());
EXPECT_EQ(0u, span.remove_prefix(100));
}
TEST(Span, ToByteSpan)
{
const char expected[] = {56, 44, 11, 5};
EXPECT_TRUE(
boost::range::equal(
std::array<std::uint8_t, 4>{{56, 44, 11, 5}},
epee::to_byte_span<char>(expected)
)
);
EXPECT_TRUE(
boost::range::equal(
std::array<char, 4>{{56, 44, 11, 5}},
epee::to_byte_span(epee::span<const char>{expected})
)
);
}
TEST(Span, AsByteSpan)
{
struct some_pod { char value[4]; };
const some_pod immutable {{ 5, 10, 12, 127 }};
EXPECT_TRUE(
boost::range::equal(
std::array<unsigned char, 4>{{5, 10, 12, 127}},
epee::as_byte_span(immutable)
)
);
EXPECT_TRUE(
boost::range::equal(
std::array<std::uint8_t, 3>{{'a', 'y', 0x00}}, epee::as_byte_span("ay")
)
);
}
TEST(Span, AsMutByteSpan)
{
struct some_pod { char value[4]; };
some_pod actual {};
auto span = epee::as_mut_byte_span(actual);
boost::range::iota(span, 1);
EXPECT_TRUE(
boost::range::equal(
std::array<unsigned char, 4>{{1, 2, 3, 4}}, actual.value
)
);
}
TEST(Span, ToMutSpan)
{
std::vector<unsigned> mut;
mut.resize(4);
auto span = epee::to_mut_span(mut);
boost::range::iota(span, 1);
EXPECT_EQ((std::vector<unsigned>{1, 2, 3, 4}), mut);
}
TEST(ToHex, String)
{
EXPECT_TRUE(epee::to_hex::string(nullptr).empty());
EXPECT_EQ(
std::string{"ffab0100"},
epee::to_hex::string(epee::as_byte_span("\xff\xab\x01"))
);
const std::vector<unsigned char> all_bytes = get_all_bytes();
EXPECT_EQ(
std_to_hex(all_bytes), epee::to_hex::string(epee::to_span(all_bytes))
);
}
TEST(ToHex, Array)
{
EXPECT_EQ(
(std::array<char, 8>{{'f', 'f', 'a', 'b', '0', '1', '0', '0'}}),
(epee::to_hex::array(std::array<unsigned char, 4>{{0xFF, 0xAB, 0x01, 0x00}}))
);
}
TEST(ToHex, Ostream)
{
std::stringstream out;
epee::to_hex::buffer(out, nullptr);
EXPECT_TRUE(out.str().empty());
{
const std::uint8_t source[] = {0xff, 0xab, 0x01, 0x00};
epee::to_hex::buffer(out, source);
}
std::string expected{"ffab0100"};
EXPECT_EQ(expected, out.str());
const std::vector<unsigned char> all_bytes = get_all_bytes();
expected.append(std_to_hex(all_bytes));
epee::to_hex::buffer(out, epee::to_span(all_bytes));
EXPECT_EQ(expected, out.str());
}
TEST(ToHex, Formatted)
{
std::stringstream out;
std::string expected{"<>"};
epee::to_hex::formatted(out, nullptr);
EXPECT_EQ(expected, out.str());
expected.append("<ffab0100>");
epee::to_hex::formatted(out, epee::as_byte_span("\xFF\xAB\x01"));
EXPECT_EQ(expected, out.str());
const std::vector<unsigned char> all_bytes = get_all_bytes();
expected.append("<").append(std_to_hex(all_bytes)).append(">");
epee::to_hex::formatted(out, epee::to_span(all_bytes));
EXPECT_EQ(expected, out.str());
}
TEST(StringTools, BuffToHex)
{
const std::vector<unsigned char> all_bytes = get_all_bytes();
EXPECT_EQ(
std_to_hex(all_bytes),
(epee::string_tools::buff_to_hex_nodelimer(
std::string{reinterpret_cast<const char*>(all_bytes.data()), all_bytes.size()}
))
);
}
TEST(StringTools, PodToHex)
{
struct some_pod { unsigned char data[4]; };
EXPECT_EQ(
std::string{"ffab0100"},
(epee::string_tools::pod_to_hex(some_pod{{0xFF, 0xAB, 0x01, 0x00}}))
);
}
TEST(StringTools, GetIpString)
{
EXPECT_EQ(
std::string{"0.0.0.0"}, epee::string_tools::get_ip_string_from_int32(0)
);
EXPECT_EQ(
std::string{"255.0.255.0"},
epee::string_tools::get_ip_string_from_int32(htonl(0xff00ff00))
);
EXPECT_EQ(
std::string{"255.255.255.255"},
epee::string_tools::get_ip_string_from_int32(htonl(0xffffffff))
);
}
TEST(StringTools, GetIpInt32)
{
std::uint32_t ip = 0;
EXPECT_FALSE(epee::string_tools::get_ip_int32_from_string(ip, ""));
EXPECT_FALSE(epee::string_tools::get_ip_int32_from_string(ip, "1."));
EXPECT_FALSE(epee::string_tools::get_ip_int32_from_string(ip, "1.1."));
EXPECT_FALSE(epee::string_tools::get_ip_int32_from_string(ip, "1.1.1."));
EXPECT_FALSE(epee::string_tools::get_ip_int32_from_string(ip, "ff.0.ff.0"));
EXPECT_FALSE(epee::string_tools::get_ip_int32_from_string(ip, "1.1.1.256"));
EXPECT_TRUE(epee::string_tools::get_ip_int32_from_string(ip, "1"));
EXPECT_EQ(htonl(1), ip);
EXPECT_TRUE(epee::string_tools::get_ip_int32_from_string(ip, "1.1"));
EXPECT_EQ(htonl(0x1000001), ip);
EXPECT_TRUE(epee::string_tools::get_ip_int32_from_string(ip, "1.1.1"));
EXPECT_EQ(htonl(0x1010001), ip);
EXPECT_TRUE(epee::string_tools::get_ip_int32_from_string(ip, "0.0.0.0"));
EXPECT_EQ(0, ip);
EXPECT_TRUE(epee::string_tools::get_ip_int32_from_string(ip, "1.1.1.1"));
EXPECT_EQ(htonl(0x01010101), ip);
/*
The existing epee conversion function does not work with 255.255.255.255, for
the reasons specified in the inet_addr documentation. Consider fixing in a
future patch. This address is not likely to be used for purposes within
monero.
EXPECT_TRUE(epee::string_tools::get_ip_int32_from_string(ip, "255.255.255.255"));
EXPECT_EQ(htonl(0xffffffff), ip);
*/
EXPECT_TRUE(epee::string_tools::get_ip_int32_from_string(ip, "10.0377.0.0377"));
EXPECT_EQ(htonl(0xaff00ff), ip);
EXPECT_TRUE(epee::string_tools::get_ip_int32_from_string(ip, "0xff.10.0xff.0"));
EXPECT_EQ(htonl(0xff0aff00), ip);
}
TEST(NetUtils, IPv4NetworkAddress)
{
const auto ip1 = boost::endian::native_to_big(0x330012FFu);
const auto ip_loopback = boost::endian::native_to_big(0x7F000001u);
const auto ip_local = boost::endian::native_to_big(0x0A000000u);
epee::net_utils::ipv4_network_address address1{ip1, 65535};
CHECK_EQUAL(address1, address1);
EXPECT_STREQ("51.0.18.255:65535", address1.str().c_str());
EXPECT_STREQ("51.0.18.255", address1.host_str().c_str());
EXPECT_FALSE(address1.is_loopback());
EXPECT_FALSE(address1.is_local());
EXPECT_EQ(epee::net_utils::ipv4_network_address::ID, address1.get_type_id());
EXPECT_EQ(ip1, address1.ip());
EXPECT_EQ(65535, address1.port());
EXPECT_TRUE(epee::net_utils::ipv4_network_address{std::move(address1)} == address1);
EXPECT_TRUE(epee::net_utils::ipv4_network_address{address1} == address1);
const epee::net_utils::ipv4_network_address loopback{ip_loopback, 0};
CHECK_EQUAL(loopback, loopback);
CHECK_LESS_ENDIAN(address1, loopback);
EXPECT_STREQ("127.0.0.1:0", loopback.str().c_str());
EXPECT_STREQ("127.0.0.1", loopback.host_str().c_str());
EXPECT_TRUE(loopback.is_loopback());
EXPECT_FALSE(loopback.is_local());
EXPECT_EQ(epee::net_utils::ipv4_network_address::ID, address1.get_type_id());
EXPECT_EQ(ip_loopback, loopback.ip());
EXPECT_EQ(0, loopback.port());
const epee::net_utils::ipv4_network_address local{ip_local, 8080};
CHECK_EQUAL(local, local);
CHECK_LESS(local, address1);
CHECK_LESS(local, loopback);
EXPECT_FALSE(local.is_loopback());
EXPECT_TRUE(local.is_local());
epee::net_utils::ipv4_network_address address2{ip1, 55};
CHECK_EQUAL(address2, address2);
CHECK_LESS_ENDIAN(address2, loopback);
CHECK_LESS(local, address2);
EXPECT_STREQ("51.0.18.255:55", address2.str().c_str());
EXPECT_STREQ("51.0.18.255", address2.host_str().c_str());
address2 = std::move(address1);
CHECK_EQUAL(address2, address1);
address2 = local;
CHECK_EQUAL(address2, local);
CHECK_LESS(address2, address1);
{
std::stringstream stream;
{
boost::archive::portable_binary_oarchive ostream{stream};
ostream << address1;
}
{
boost::archive::portable_binary_iarchive istream{stream};
istream >> address2;
}
}
CHECK_EQUAL(address1, address2);
EXPECT_EQ(ip1, address2.ip());
EXPECT_EQ(65535, address2.port());
}
TEST(NetUtils, NetworkAddress)
{
const auto ip1 = boost::endian::native_to_big(0x330012FFu);
const auto ip_loopback = boost::endian::native_to_big(0x7F000001u);
const auto ip_local = boost::endian::native_to_big(0x0A000000u);
struct custom_address {
constexpr static bool equal(const custom_address&) noexcept { return false; }
constexpr static bool less(const custom_address&) noexcept { return false; }
constexpr static bool is_same_host(const custom_address&) noexcept { return false; }
constexpr static bool is_loopback() noexcept { return false; }
constexpr static bool is_local() noexcept { return false; }
static std::string str() { return {}; }
static std::string host_str() { return {}; }
constexpr static uint8_t get_type_id() noexcept { return uint8_t(-1); }
};
const epee::net_utils::network_address empty;
CHECK_EQUAL(empty, empty);
EXPECT_TRUE(empty.is_same_host(empty));
EXPECT_STREQ("<none>", empty.str().c_str());
EXPECT_STREQ("<none>", empty.host_str().c_str());
EXPECT_FALSE(empty.is_loopback());
EXPECT_FALSE(empty.is_local());
EXPECT_EQ(0, empty.get_type_id());
EXPECT_THROW(empty.as<custom_address>(), std::bad_cast);
epee::net_utils::network_address address1{
epee::net_utils::ipv4_network_address{ip1, 65535}
};
CHECK_EQUAL(address1, address1);
CHECK_EQUAL(epee::net_utils::network_address{address1}, address1);
CHECK_LESS(empty, address1);
EXPECT_TRUE(address1.is_same_host(address1));
EXPECT_FALSE(empty.is_same_host(address1));
EXPECT_FALSE(address1.is_same_host(empty));
EXPECT_STREQ("51.0.18.255:65535", address1.str().c_str());
EXPECT_STREQ("51.0.18.255", address1.host_str().c_str());
EXPECT_FALSE(address1.is_loopback());
EXPECT_FALSE(address1.is_local());
EXPECT_EQ(epee::net_utils::ipv4_network_address::ID, address1.get_type_id());
EXPECT_NO_THROW(address1.as<epee::net_utils::ipv4_network_address>());
EXPECT_THROW(address1.as<custom_address>(), std::bad_cast);
const epee::net_utils::network_address loopback{
epee::net_utils::ipv4_network_address{ip_loopback, 0}
};
CHECK_EQUAL(loopback, loopback);
CHECK_LESS(empty, loopback);
CHECK_LESS_ENDIAN(address1, loopback);
EXPECT_TRUE(loopback.is_same_host(loopback));
EXPECT_FALSE(loopback.is_same_host(address1));
EXPECT_FALSE(address1.is_same_host(loopback));
EXPECT_STREQ("127.0.0.1:0", loopback.str().c_str());
EXPECT_STREQ("127.0.0.1", loopback.host_str().c_str());
EXPECT_TRUE(loopback.is_loopback());
EXPECT_FALSE(loopback.is_local());
EXPECT_EQ(epee::net_utils::ipv4_network_address::ID, address1.get_type_id());
const epee::net_utils::network_address local{
epee::net_utils::ipv4_network_address{ip_local, 8080}
};
CHECK_EQUAL(local, local);
CHECK_LESS(local, loopback);
CHECK_LESS(local, address1);
EXPECT_FALSE(local.is_loopback());
EXPECT_TRUE(local.is_local());
epee::net_utils::network_address address2{
epee::net_utils::ipv4_network_address{ip1, 55}
};
CHECK_EQUAL(address2, address2);
CHECK_LESS(address2, address1);
CHECK_LESS(local, address2);
CHECK_LESS_ENDIAN(address2, loopback);
EXPECT_TRUE(address1.is_same_host(address2));
EXPECT_TRUE(address2.is_same_host(address1));
EXPECT_STREQ("51.0.18.255:55", address2.str().c_str());
EXPECT_STREQ("51.0.18.255", address2.host_str().c_str());
address2 = std::move(address1);
CHECK_EQUAL(address1, address1);
CHECK_EQUAL(empty, address1);
CHECK_LESS(address1, address2);
EXPECT_FALSE(address1.is_same_host(address2));
EXPECT_FALSE(address2.is_same_host(address1));
EXPECT_STREQ("51.0.18.255:65535", address2.str().c_str());
EXPECT_STREQ("51.0.18.255", address2.host_str().c_str());
EXPECT_FALSE(address1.is_loopback());
EXPECT_FALSE(address1.is_local());
EXPECT_THROW(address1.as<epee::net_utils::ipv4_network_address>(), std::bad_cast);
EXPECT_NO_THROW(address2.as<epee::net_utils::ipv4_network_address>());
address2 = local;
CHECK_EQUAL(address2, local);
CHECK_LESS(address1, address2);
EXPECT_TRUE(address2.is_same_host(local));
EXPECT_TRUE(local.is_same_host(address2));
EXPECT_FALSE(address2.is_same_host(address1));
EXPECT_FALSE(address1.is_same_host(address2));
{
std::stringstream stream;
{
boost::archive::portable_binary_oarchive ostream{stream};
ostream << address2;
}
{
boost::archive::portable_binary_iarchive istream{stream};
istream >> address1;
}
}
CHECK_EQUAL(address1, address2);
EXPECT_TRUE(address1.is_same_host(address2));
EXPECT_TRUE(address2.is_same_host(address1));
EXPECT_NO_THROW(address1.as<epee::net_utils::ipv4_network_address>());
address1 = custom_address{};
CHECK_EQUAL(address1, address1);
CHECK_LESS(address2, address1);
EXPECT_FALSE(address1.is_same_host(loopback));
EXPECT_FALSE(loopback.is_same_host(address1));
EXPECT_THROW(address1.as<epee::net_utils::ipv4_network_address>(), std::bad_cast);
EXPECT_NO_THROW(address1.as<custom_address>());
}
static bool is_local(const char *s)
{
uint32_t ip;
CHECK_AND_ASSERT_THROW_MES(epee::string_tools::get_ip_int32_from_string(ip, s), std::string("Invalid IP address: ") + s);
return epee::net_utils::is_ip_local(ip);
}
TEST(NetUtils, PrivateRanges)
{
ASSERT_EQ(is_local("10.0.0.0"), true);
ASSERT_EQ(is_local("10.255.0.0"), true);
ASSERT_EQ(is_local("127.0.0.0"), false); // loopback is not considered local
ASSERT_EQ(is_local("192.167.255.255"), false);
ASSERT_EQ(is_local("192.168.0.0"), true);
ASSERT_EQ(is_local("192.168.255.255"), true);
ASSERT_EQ(is_local("192.169.0.0"), false);
ASSERT_EQ(is_local("172.0.0.0"), false);
ASSERT_EQ(is_local("172.15.255.255"), false);
ASSERT_EQ(is_local("172.16.0.0"), true);
ASSERT_EQ(is_local("172.16.255.255"), true);
ASSERT_EQ(is_local("172.31.255.255"), true);
ASSERT_EQ(is_local("172.32.0.0"), false);
ASSERT_EQ(is_local("0.0.0.0"), false);
ASSERT_EQ(is_local("255.255.255.254"), false);
ASSERT_EQ(is_local("11.255.255.255"), false);
ASSERT_EQ(is_local("0.0.0.10"), false);
ASSERT_EQ(is_local("0.0.168.192"), false);
ASSERT_EQ(is_local("0.0.30.172"), false);
ASSERT_EQ(is_local("0.0.30.127"), false);
}
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