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monero/tests/unit_tests/epee_utils.cpp

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// Copyright (c) 2014-2020, 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/predef/other/endian.h>
#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 "byte_slice.h"
#include "byte_stream.h"
#include "crypto/crypto.h"
#include "hex.h"
#include "net/net_utils_base.h"
#include "net/local_ip.h"
#include "net/buffer.h"
#include "p2p/net_peerlist_boost_serialization.h"
#include "span.h"
#include "string_tools.h"
#include "storages/parserse_base_utils.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 )
#if BOOST_ENDIAN_LITTLE_BYTE
#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(ByteSlice, Construction)
{
EXPECT_TRUE(std::is_default_constructible<epee::byte_slice>());
EXPECT_TRUE(std::is_move_constructible<epee::byte_slice>());
EXPECT_FALSE(std::is_copy_constructible<epee::byte_slice>());
EXPECT_TRUE(std::is_move_assignable<epee::byte_slice>());
EXPECT_FALSE(std::is_copy_assignable<epee::byte_slice>());
}
TEST(ByteSlice, DataReturnedMatches)
{
for (int i = 64; i > 0; i--)
{
std::string sso_string(i, 'a');
std::string original = sso_string;
epee::byte_slice slice{std::move(sso_string)};
EXPECT_EQ(slice.size(), original.size());
EXPECT_EQ(memcmp(slice.data(), original.data(), original.size()), 0);
}
for (int i = 64; i > 0; i--)
{
std::vector<uint8_t> sso_vector(i, 'a');
std::vector<uint8_t> original = sso_vector;
epee::byte_slice slice{std::move(sso_vector)};
EXPECT_EQ(slice.size(), original.size());
EXPECT_EQ(memcmp(slice.data(), original.data(), original.size()), 0);
}
}
TEST(ByteSlice, NoExcept)
{
EXPECT_TRUE(std::is_nothrow_default_constructible<epee::byte_slice>());
EXPECT_TRUE(std::is_nothrow_move_constructible<epee::byte_slice>());
EXPECT_TRUE(std::is_nothrow_move_assignable<epee::byte_slice>());
epee::byte_slice lvalue{};
const epee::byte_slice clvalue{};
EXPECT_TRUE(noexcept(lvalue.clone()));
EXPECT_TRUE(noexcept(clvalue.clone()));
EXPECT_TRUE(noexcept(lvalue.begin()));
EXPECT_TRUE(noexcept(clvalue.begin()));
EXPECT_TRUE(noexcept(lvalue.end()));
EXPECT_TRUE(noexcept(clvalue.end()));
EXPECT_TRUE(noexcept(lvalue.cbegin()));
EXPECT_TRUE(noexcept(clvalue.cbegin()));
EXPECT_TRUE(noexcept(lvalue.cend()));
EXPECT_TRUE(noexcept(clvalue.cend()));
EXPECT_TRUE(noexcept(lvalue.empty()));
EXPECT_TRUE(noexcept(clvalue.empty()));
EXPECT_TRUE(noexcept(lvalue.data()));
EXPECT_TRUE(noexcept(clvalue.data()));
EXPECT_TRUE(noexcept(lvalue.size()));
EXPECT_TRUE(noexcept(clvalue.size()));
EXPECT_TRUE(noexcept(lvalue.remove_prefix(0)));
EXPECT_TRUE(noexcept(lvalue.take_slice(0)));
}
TEST(ByteSlice, Empty)
{
epee::byte_slice slice{};
EXPECT_EQ(slice.begin(), slice.end());
EXPECT_EQ(slice.begin(), slice.cbegin());
EXPECT_EQ(slice.end(), slice.cend());
EXPECT_TRUE(slice.empty());
EXPECT_EQ(0u, slice.size());
EXPECT_EQ(slice.begin(), slice.data());
EXPECT_EQ(0u, slice.get_slice(0, 0).size());
EXPECT_THROW(slice.get_slice(0, 1), std::out_of_range);
EXPECT_EQ(0u, slice.remove_prefix(1));
EXPECT_EQ(0u, slice.take_slice(1).size());
}
TEST(ByteSlice, CopySpans)
{
const epee::span<const std::uint8_t> part1 = epee::as_byte_span("this is part1");
const epee::span<const std::uint8_t> part2 = epee::as_byte_span("then part2");
const epee::span<const std::uint8_t> part3 = epee::as_byte_span("finally part3");
const epee::byte_slice slice{part1, part2, part3};
EXPECT_NE(nullptr, slice.begin());
EXPECT_NE(nullptr, slice.end());
EXPECT_NE(slice.begin(), slice.end());
EXPECT_NE(slice.cbegin(), slice.cend());
EXPECT_EQ(slice.begin(), slice.cbegin());
EXPECT_EQ(slice.end(), slice.cend());
ASSERT_EQ(slice.size(), std::size_t(slice.end() - slice.begin()));
EXPECT_FALSE(slice.empty());
EXPECT_EQ(slice.begin(), slice.data());
ASSERT_EQ(part1.size() + part2.size() + part3.size(), slice.size());
EXPECT_TRUE(
boost::range::equal(
part1, boost::make_iterator_range(slice.begin(), slice.begin() + part1.size())
)
);
EXPECT_TRUE(
boost::range::equal(
part2, boost::make_iterator_range(slice.begin() + part1.size(), slice.end() - part3.size())
)
);
EXPECT_TRUE(
boost::range::equal(
part3, boost::make_iterator_range(slice.end() - part3.size(), slice.end())
)
);
}
TEST(ByteSlice, AdaptString)
{
static constexpr const char base_string[] = "this is an example message";
std::string adapted = base_string;
const epee::span<const uint8_t> original = epee::to_byte_span(epee::to_span(adapted));
const epee::byte_slice slice{std::move(adapted)};
EXPECT_EQ(original.begin(), slice.begin());
EXPECT_EQ(original.cbegin(), slice.cbegin());
EXPECT_EQ(original.end(), slice.end());
EXPECT_EQ(original.cend(), slice.cend());
EXPECT_FALSE(slice.empty());
EXPECT_EQ(original.data(), slice.data());
EXPECT_EQ(original.size(), slice.size());
EXPECT_TRUE(boost::range::equal(boost::string_ref{base_string}, slice));
}
TEST(ByteSlice, EmptyAdaptString)
{
epee::byte_slice slice{std::string{}};
EXPECT_EQ(slice.begin(), slice.end());
EXPECT_EQ(slice.begin(), slice.cbegin());
EXPECT_EQ(slice.end(), slice.cend());
EXPECT_TRUE(slice.empty());
EXPECT_EQ(0u, slice.size());
EXPECT_EQ(slice.begin(), slice.data());
EXPECT_EQ(0u, slice.get_slice(0, 0).size());
EXPECT_THROW(slice.get_slice(0, 1), std::out_of_range);
EXPECT_EQ(0u, slice.remove_prefix(1));
EXPECT_EQ(0u, slice.take_slice(1).size());
}
TEST(ByteSlice, AdaptVector)
{
static constexpr const char base_string[] = "this is an example message";
std::vector<std::uint8_t> adapted(sizeof(base_string));
ASSERT_EQ(sizeof(base_string), adapted.size());
std::memcpy(adapted.data(), base_string, sizeof(base_string));
const epee::span<const uint8_t> original = epee::to_span(adapted);
const epee::byte_slice slice{std::move(adapted)};
EXPECT_EQ(sizeof(base_string), original.size());
EXPECT_EQ(original.begin(), slice.begin());
EXPECT_EQ(original.cbegin(), slice.cbegin());
EXPECT_EQ(original.end(), slice.end());
EXPECT_EQ(original.cend(), slice.cend());
EXPECT_FALSE(slice.empty());
EXPECT_EQ(original.data(), slice.data());
EXPECT_EQ(original.size(), slice.size());
EXPECT_TRUE(boost::range::equal(base_string, slice));
}
TEST(ByteSlice, EmptyAdaptVector)
{
epee::byte_slice slice{std::vector<std::uint8_t>{}};
EXPECT_EQ(slice.begin(), slice.end());
EXPECT_EQ(slice.begin(), slice.cbegin());
EXPECT_EQ(slice.end(), slice.cend());
EXPECT_TRUE(slice.empty());
EXPECT_EQ(0u, slice.size());
EXPECT_EQ(slice.begin(), slice.data());
EXPECT_EQ(0u, slice.get_slice(0, 0).size());
EXPECT_THROW(slice.get_slice(0, 1), std::out_of_range);
EXPECT_EQ(0u, slice.remove_prefix(1));
EXPECT_EQ(0u, slice.take_slice(1).size());
}
TEST(ByteSlice, Move)
{
static constexpr const char base_string[] = "another example message";
epee::byte_slice slice{epee::as_byte_span(base_string)};
EXPECT_TRUE(boost::range::equal(base_string, slice));
const epee::span<const std::uint8_t> original = epee::to_span(slice);
epee::byte_slice moved{std::move(slice)};
EXPECT_TRUE(boost::range::equal(base_string, moved));
EXPECT_EQ(slice.begin(), slice.end());
EXPECT_EQ(slice.begin(), slice.cbegin());
EXPECT_EQ(slice.end(), slice.cend());
EXPECT_EQ(original.begin(), moved.begin());
EXPECT_EQ(moved.begin(), moved.cbegin());
EXPECT_EQ(original.end(), moved.end());
EXPECT_EQ(moved.end(), moved.cend());
EXPECT_TRUE(slice.empty());
EXPECT_EQ(slice.begin(), slice.data());
EXPECT_EQ(0u, slice.size());
EXPECT_FALSE(moved.empty());
EXPECT_EQ(moved.begin(), moved.data());
EXPECT_EQ(original.size(), moved.size());
slice = std::move(moved);
EXPECT_TRUE(boost::range::equal(base_string, slice));
EXPECT_EQ(original.begin(), slice.begin());
EXPECT_EQ(slice.begin(), slice.cbegin());
EXPECT_EQ(original.end(), slice.end());
EXPECT_EQ(slice.end(), slice.cend());
EXPECT_FALSE(slice.empty());
EXPECT_EQ(slice.begin(), slice.data());
EXPECT_EQ(original.size(), slice.size());
EXPECT_TRUE(moved.empty());
EXPECT_EQ(moved.begin(), moved.data());
EXPECT_EQ(0u, moved.size());
}
TEST(ByteSlice, Clone)
{
static constexpr const char base_string[] = "another example message";
const epee::byte_slice slice{epee::as_byte_span(base_string)};
EXPECT_TRUE(boost::range::equal(base_string, slice));
const epee::byte_slice clone{slice.clone()};
EXPECT_TRUE(boost::range::equal(base_string, clone));
EXPECT_EQ(slice.begin(), clone.begin());
EXPECT_EQ(slice.cbegin(), clone.cbegin());
EXPECT_EQ(slice.end(), clone.end());
EXPECT_EQ(slice.cend(), clone.cend());
EXPECT_FALSE(slice.empty());
EXPECT_FALSE(clone.empty());
EXPECT_EQ(slice.cbegin(), slice.data());
EXPECT_EQ(slice.data(), clone.data());
EXPECT_EQ(sizeof(base_string), slice.size());
EXPECT_EQ(slice.size(), clone.size());
}
TEST(ByteSlice, RemovePrefix)
{
static constexpr const char base_string[] = "another example message";
static constexpr std::size_t remove_size = sizeof("another");
static constexpr std::size_t remaining = sizeof(base_string) - remove_size;
epee::byte_slice slice{epee::as_byte_span(base_string)};
EXPECT_TRUE(boost::range::equal(base_string, slice));
const epee::span<const std::uint8_t> original = epee::to_span(slice);
EXPECT_EQ(remove_size, slice.remove_prefix(remove_size));
EXPECT_EQ(original.begin() + remove_size, slice.begin());
EXPECT_EQ(slice.begin(), slice.cbegin());
EXPECT_EQ(original.end(), slice.end());
EXPECT_EQ(slice.end(), slice.cend());
EXPECT_FALSE(slice.empty());
EXPECT_EQ(slice.cbegin(), slice.data());
EXPECT_EQ(remaining, slice.size());
// touch original pointers to check "free" status
EXPECT_TRUE(boost::range::equal(base_string, original));
EXPECT_EQ(remaining, slice.remove_prefix(remaining + 1));
EXPECT_EQ(slice.begin(), slice.end());
EXPECT_EQ(slice.begin(), slice.cbegin());
EXPECT_EQ(slice.end(), slice.cend());
EXPECT_TRUE(slice.empty());
EXPECT_EQ(slice.cbegin(), slice.data());
EXPECT_EQ(0, slice.size());
}
TEST(ByteSlice, TakeSlice)
{
static constexpr const char base_string[] = "another example message";
static constexpr std::size_t remove_size = sizeof("another");
static constexpr std::size_t remaining = sizeof(base_string) - remove_size;
epee::byte_slice slice{epee::as_byte_span(base_string)};
EXPECT_TRUE(boost::range::equal(base_string, slice));
const epee::span<const std::uint8_t> original = epee::to_span(slice);
const epee::byte_slice empty_slice = slice.take_slice(0);
EXPECT_EQ(original.begin(), slice.begin());
EXPECT_EQ(slice.begin(), slice.cbegin());
EXPECT_EQ(original.end(), slice.end());
EXPECT_EQ(slice.end(), slice.cend());
EXPECT_EQ(nullptr, empty_slice.begin());
EXPECT_EQ(nullptr, empty_slice.cbegin());
EXPECT_EQ(nullptr, empty_slice.end());
EXPECT_EQ(nullptr, empty_slice.cend());
EXPECT_EQ(nullptr, empty_slice.data());
EXPECT_TRUE(empty_slice.empty());
EXPECT_EQ(0u, empty_slice.size());
EXPECT_FALSE(slice.empty());
EXPECT_EQ(slice.cbegin(), slice.data());
const epee::byte_slice slice2 = slice.take_slice(remove_size);
EXPECT_EQ(original.begin() + remove_size, slice.begin());
EXPECT_EQ(slice.begin(), slice.cbegin());
EXPECT_EQ(original.end(), slice.end());
EXPECT_EQ(slice.end(), slice.cend());
EXPECT_EQ(original.begin(), slice2.begin());
EXPECT_EQ(slice2.begin(), slice2.cbegin());
EXPECT_EQ(original.begin() + remove_size, slice2.end());
EXPECT_EQ(slice2.end(), slice2.cend());
EXPECT_FALSE(slice.empty());
EXPECT_EQ(slice.cbegin(), slice.data());
EXPECT_EQ(remaining, slice.size());
EXPECT_FALSE(slice2.empty());
EXPECT_EQ(slice2.cbegin(), slice2.data());
EXPECT_EQ(remove_size, slice2.size());
// touch original pointers to check "free" status
EXPECT_TRUE(boost::range::equal(base_string, original));
const epee::byte_slice slice3 = slice.take_slice(remaining + 1);
EXPECT_EQ(slice.begin(), slice.end());
EXPECT_EQ(slice.begin(), slice.cbegin());
EXPECT_EQ(slice.end(), slice.cend());
EXPECT_EQ(original.begin(), slice2.begin());
EXPECT_EQ(slice2.begin(), slice2.cbegin());
EXPECT_EQ(original.begin() + remove_size, slice2.end());
EXPECT_EQ(slice2.end(), slice2.cend());
EXPECT_EQ(slice2.end(), slice3.begin());
EXPECT_EQ(slice3.begin(), slice3.cbegin());
EXPECT_EQ(original.end(), slice3.end());
EXPECT_EQ(slice3.end(), slice3.cend());
EXPECT_TRUE(slice.empty());
EXPECT_EQ(slice.cbegin(), slice.data());
EXPECT_EQ(0, slice.size());
EXPECT_FALSE(slice2.empty());
EXPECT_EQ(slice2.cbegin(), slice2.data());
EXPECT_EQ(remove_size, slice2.size());
EXPECT_FALSE(slice3.empty());
EXPECT_EQ(slice3.cbegin(), slice3.data());
EXPECT_EQ(remaining, slice3.size());
// touch original pointers to check "free" status
slice = nullptr;
EXPECT_TRUE(boost::range::equal(base_string, original));
}
TEST(ByteSlice, GetSlice)
{
static constexpr const char base_string[] = "another example message";
static constexpr std::size_t get_size = sizeof("another");
static constexpr std::size_t get2_size = sizeof(base_string) - get_size;
epee::span<const std::uint8_t> original{};
epee::byte_slice slice2{};
epee::byte_slice slice3{};
// make sure get_slice increments ref count
{
const epee::byte_slice slice{epee::as_byte_span(base_string)};
EXPECT_TRUE(boost::range::equal(base_string, slice));
original = epee::to_span(slice);
slice2 = slice.get_slice(0, get_size);
EXPECT_EQ(original.begin(), slice.begin());
EXPECT_EQ(slice.begin(), slice.cbegin());
EXPECT_EQ(original.end(), slice.end());
EXPECT_EQ(slice.end(), slice.cend());
EXPECT_EQ(original.begin(), slice2.begin());
EXPECT_EQ(slice2.begin(), slice2.cbegin());
EXPECT_EQ(original.begin() + get_size, slice2.end());
EXPECT_EQ(slice2.end(), slice2.cend());
EXPECT_FALSE(slice.empty());
EXPECT_EQ(slice.cbegin(), slice.data());
EXPECT_EQ(original.size(), slice.size());
EXPECT_FALSE(slice2.empty());
EXPECT_EQ(slice2.cbegin(), slice2.data());
EXPECT_EQ(get_size, slice2.size());
// touch original pointers to check "free" status
EXPECT_TRUE(boost::range::equal(base_string, original));
slice3 = slice.get_slice(get_size, sizeof(base_string));
EXPECT_EQ(original.begin(), slice.begin());
EXPECT_EQ(slice.begin(), slice.cbegin());
EXPECT_EQ(original.end(), slice.end());
EXPECT_EQ(slice.end(), slice.cend());
EXPECT_EQ(original.begin(), slice2.begin());
EXPECT_EQ(slice2.begin(), slice2.cbegin());
EXPECT_EQ(original.begin() + get_size, slice2.end());
EXPECT_EQ(slice2.end(), slice2.cend());
EXPECT_EQ(slice2.end(), slice3.begin());
EXPECT_EQ(slice3.begin(), slice3.cbegin());
EXPECT_EQ(original.end(), slice3.end());
EXPECT_EQ(slice3.end(), slice3.cend());
EXPECT_FALSE(slice.empty());
EXPECT_EQ(slice.cbegin(), slice.data());
EXPECT_EQ(original.size(), slice.size());
EXPECT_FALSE(slice2.empty());
EXPECT_EQ(slice2.cbegin(), slice2.data());
EXPECT_EQ(get_size, slice2.size());
EXPECT_FALSE(slice3.empty());
EXPECT_EQ(slice3.cbegin(), slice3.data());
EXPECT_EQ(get2_size, slice3.size());
EXPECT_THROW(slice.get_slice(1, 0), std::out_of_range);
EXPECT_THROW(slice.get_slice(0, sizeof(base_string) + 1), std::out_of_range);
EXPECT_THROW(slice.get_slice(sizeof(base_string) + 1, sizeof(base_string) + 1), std::out_of_range);
EXPECT_TRUE(slice.get_slice(sizeof(base_string), sizeof(base_string)).empty());
EXPECT_EQ(original.begin(), slice.begin());
EXPECT_EQ(slice.begin(), slice.cbegin());
EXPECT_EQ(original.end(), slice.end());
EXPECT_EQ(slice.end(), slice.cend());
EXPECT_FALSE(slice.empty());
EXPECT_EQ(slice.cbegin(), slice.data());
EXPECT_EQ(original.size(), slice.size());
}
// touch original pointers to check "free" status
EXPECT_TRUE(boost::range::equal(base_string, original));
}
TEST(ByteStream, Construction)
{
EXPECT_TRUE(std::is_default_constructible<epee::byte_stream>());
EXPECT_TRUE(std::is_move_constructible<epee::byte_stream>());
EXPECT_FALSE(std::is_copy_constructible<epee::byte_stream>());
EXPECT_TRUE(std::is_move_assignable<epee::byte_stream>());
EXPECT_FALSE(std::is_copy_assignable<epee::byte_stream>());
}
TEST(ByteStream, Noexcept)
{
EXPECT_TRUE(std::is_nothrow_default_constructible<epee::byte_stream>());
EXPECT_TRUE(std::is_nothrow_move_constructible<epee::byte_stream>());
EXPECT_TRUE(std::is_nothrow_move_assignable<epee::byte_stream>());
epee::byte_stream lvalue;
const epee::byte_stream clvalue;
EXPECT_TRUE(noexcept(lvalue.data()));
EXPECT_TRUE(noexcept(clvalue.data()));
EXPECT_TRUE(noexcept(lvalue.tellp()));
EXPECT_TRUE(noexcept(clvalue.tellp()));
EXPECT_TRUE(noexcept(lvalue.available()));
EXPECT_TRUE(noexcept(clvalue.available()));
EXPECT_TRUE(noexcept(lvalue.size()));
EXPECT_TRUE(noexcept(clvalue.size()));
EXPECT_TRUE(noexcept(lvalue.capacity()));
EXPECT_TRUE(noexcept(clvalue.capacity()));
EXPECT_TRUE(noexcept(lvalue.put_unsafe(4)));
EXPECT_TRUE(noexcept(lvalue.take_buffer()));
}
TEST(ByteStream, Empty)
{
epee::byte_stream stream;
EXPECT_EQ(nullptr, stream.data());
EXPECT_EQ(nullptr, stream.tellp());
EXPECT_EQ(0u, stream.available());
EXPECT_EQ(0u, stream.size());
EXPECT_EQ(0u, stream.capacity());
const auto buf = stream.take_buffer();
EXPECT_EQ(nullptr, buf.get());
EXPECT_EQ(nullptr, stream.data());
EXPECT_EQ(nullptr, stream.tellp());
EXPECT_EQ(0u, stream.available());
EXPECT_EQ(0u, stream.size());
EXPECT_EQ(0u, stream.capacity());
}
TEST(ByteStream, Write)
{
using boost::range::equal;
using byte_span = epee::span<const std::uint8_t>;
static constexpr const std::uint8_t source[] =
{0xde, 0xad, 0xbe, 0xef, 0xef};
std::vector<std::uint8_t> bytes;
epee::byte_stream stream{};
stream.write({source, 3});
bytes.insert(bytes.end(), source, source + 3);
EXPECT_EQ(3u, stream.size());
EXPECT_LE(3u, stream.capacity());
EXPECT_EQ(stream.available(), stream.capacity() - stream.size());
EXPECT_TRUE(equal(bytes, byte_span{stream.data(), stream.size()}));
const std::size_t capacity = stream.capacity();
stream.write({source, 2});
bytes.insert(bytes.end(), source, source + 2);
EXPECT_EQ(5u, stream.size());
EXPECT_LE(5u, stream.capacity());
EXPECT_EQ(stream.available(), stream.capacity() - stream.size());
EXPECT_TRUE(equal(bytes, byte_span{stream.data(), stream.size()}));
stream.write({source, 5});
bytes.insert(bytes.end(), source, source + 5);
EXPECT_EQ(10u, stream.size());
EXPECT_LE(10u, stream.capacity());
EXPECT_EQ(stream.available(), stream.capacity() - stream.size());
EXPECT_TRUE(equal(bytes, byte_span{stream.data(), stream.size()}));
stream.write({source, 2});
bytes.insert(bytes.end(), source, source + 2);
EXPECT_EQ(12u, stream.size());
EXPECT_LE(12u, stream.capacity());
EXPECT_EQ(stream.available(), stream.capacity() - stream.size());
EXPECT_TRUE(equal(bytes, byte_span{stream.data(), stream.size()}));
stream.write({source, 5});
bytes.insert(bytes.end(), source, source + 5);
EXPECT_EQ(17u, stream.size());
EXPECT_LE(17u, stream.capacity());
EXPECT_EQ(stream.available(), stream.capacity() - stream.size());
EXPECT_TRUE(equal(bytes, byte_span{stream.data(), stream.size()}));
// ensure it can overflow properly
while (capacity == stream.capacity())
{
stream.write({source, 5});
bytes.insert(bytes.end(), source, source + 5);
}
EXPECT_EQ(bytes.size(), stream.size());
EXPECT_LE(bytes.size(), stream.capacity());
EXPECT_EQ(stream.available(), stream.capacity() - stream.size());
EXPECT_TRUE(equal(bytes, byte_span{stream.data(), stream.size()}));
}
TEST(ByteStream, Put)
{
using boost::range::equal;
using byte_span = epee::span<const std::uint8_t>;
std::vector<std::uint8_t> bytes;
epee::byte_stream stream;
for (std::uint8_t i = 0; i < 200; ++i)
{
bytes.push_back(i);
stream.put(i);
}
EXPECT_EQ(200u, stream.size());
EXPECT_LE(200u, stream.capacity());
EXPECT_EQ(stream.available(), stream.capacity() - stream.size());
EXPECT_TRUE(equal(bytes, byte_span{stream.data(), stream.size()}));
}
TEST(ByteStream, PutN)
{
using boost::range::equal;
using byte_span = epee::span<const std::uint8_t>;
std::vector<std::uint8_t> bytes;
bytes.resize(1000, 'f');
epee::byte_stream stream;
stream.put_n('f', 1000);
EXPECT_EQ(1000u, stream.size());
EXPECT_LE(1000u, stream.capacity());
EXPECT_EQ(stream.available(), stream.capacity() - stream.size());
EXPECT_TRUE(equal(bytes, byte_span{stream.data(), stream.size()}));
}
TEST(ByteStream, Reserve)
{
using boost::range::equal;
using byte_span = epee::span<const std::uint8_t>;
static constexpr const std::uint8_t source[] =
{0xde, 0xad, 0xbe, 0xef, 0xef};
std::vector<std::uint8_t> bytes;
epee::byte_stream stream{};
stream.reserve(100);
EXPECT_LE(100u, stream.capacity());
EXPECT_EQ(0u, stream.size());
EXPECT_EQ(stream.available(), stream.capacity());
for (std::size_t i = 0; i < 100 / sizeof(source); ++i)
{
stream.write(source);
bytes.insert(bytes.end(), source, source + sizeof(source));
}
EXPECT_EQ(100u, stream.size());
EXPECT_LE(100u, stream.capacity());
EXPECT_EQ(stream.available(), stream.capacity() - stream.size());
EXPECT_TRUE(equal(bytes, byte_span{stream.data(), stream.size()}));
}
TEST(ByteStream, TakeBuffer)
{
using boost::range::equal;
using byte_span = epee::span<const std::uint8_t>;
static constexpr const std::uint8_t source[] =
{0xde, 0xad, 0xbe, 0xef, 0xef};
epee::byte_stream stream;
stream.write(source);
ASSERT_EQ(sizeof(source), stream.size());
EXPECT_TRUE(equal(source, byte_span{stream.data(), stream.size()}));
const auto buffer = stream.take_buffer();
EXPECT_EQ(0u, stream.size());
EXPECT_EQ(0u, stream.available());
EXPECT_EQ(0u, stream.capacity());
EXPECT_EQ(nullptr, stream.data());
EXPECT_EQ(nullptr, stream.tellp());
EXPECT_TRUE(equal(source, byte_span{buffer.get(), sizeof(source)}));
}
TEST(ByteStream, Move)
{
using boost::range::equal;
using byte_span = epee::span<const std::uint8_t>;
static constexpr const std::uint8_t source[] =
{0xde, 0xad, 0xbe, 0xef, 0xef};
epee::byte_stream stream{};
stream.write(source);
const std::size_t capacity = stream.capacity();
std::uint8_t const* const data = stream.data();
EXPECT_LE(5u, capacity);
EXPECT_NE(nullptr, data);
epee::byte_stream stream2{std::move(stream)};
EXPECT_EQ(0u, stream.size());
EXPECT_EQ(0u, stream.available());
EXPECT_EQ(0u, stream.capacity());
EXPECT_EQ(nullptr, stream.data());
EXPECT_EQ(nullptr, stream.tellp());
EXPECT_EQ(5u, stream2.size());
EXPECT_EQ(capacity, stream2.capacity());
EXPECT_EQ(capacity - 5, stream2.available());
EXPECT_EQ(data, stream2.data());
EXPECT_EQ(data + 5u, stream2.tellp());
EXPECT_TRUE(equal(source, byte_span{stream2.data(), stream2.size()}));
stream = epee::byte_stream{};
EXPECT_EQ(0u, stream.size());
EXPECT_EQ(0u, stream.available());
EXPECT_EQ(0u, stream.capacity());
EXPECT_EQ(nullptr, stream.data());
EXPECT_EQ(nullptr, stream.tellp());
stream = std::move(stream2);
EXPECT_EQ(5u, stream.size());
EXPECT_EQ(capacity, stream.capacity());
EXPECT_EQ(capacity - 5, stream.available());
EXPECT_NE(nullptr, stream.data());
EXPECT_NE(nullptr, stream.tellp());
EXPECT_TRUE(equal(source, byte_span{stream.data(), stream.size()}));
EXPECT_EQ(0u, stream2.size());
EXPECT_EQ(0u, stream2.available());
EXPECT_EQ(0u, stream2.capacity());
EXPECT_EQ(nullptr, stream2.data());
EXPECT_EQ(nullptr, stream2.tellp());
}
TEST(ByteStream, ToByteSlice)
{
using boost::range::equal;
using byte_span = epee::span<const std::uint8_t>;
static constexpr const std::uint8_t source[] =
{0xde, 0xad, 0xbe, 0xef, 0xef};
epee::byte_stream stream;
stream.write(source);
EXPECT_EQ(sizeof(source), stream.size());
EXPECT_TRUE(equal(source, byte_span{stream.data(), stream.size()}));
const epee::byte_slice slice{std::move(stream)};
EXPECT_EQ(0u, stream.size());
EXPECT_EQ(0u, stream.available());
EXPECT_EQ(0u, stream.capacity());
EXPECT_EQ(nullptr, stream.data());
EXPECT_EQ(nullptr, stream.tellp());
EXPECT_TRUE(equal(source, slice));
stream = epee::byte_stream{};
stream.reserve(1);
EXPECT_NE(nullptr, stream.data());
EXPECT_NE(nullptr, stream.tellp());
const epee::byte_slice empty_slice{std::move(stream)};
EXPECT_TRUE(empty_slice.empty());
EXPECT_EQ(0u, empty_slice.size());
EXPECT_EQ(nullptr, empty_slice.begin());
EXPECT_EQ(nullptr, empty_slice.cbegin());
EXPECT_EQ(nullptr, empty_slice.end());
EXPECT_EQ(nullptr, empty_slice.cend());
EXPECT_EQ(nullptr, empty_slice.data());
}
TEST(ByteStream, Clear)
{
static constexpr const std::uint8_t source[] =
{0xde, 0xad, 0xbe, 0xef, 0xef};
epee::byte_stream stream{};
EXPECT_EQ(nullptr, stream.data());
EXPECT_EQ(nullptr, stream.tellp());
EXPECT_EQ(0u, stream.size());
EXPECT_EQ(0u, stream.available());
EXPECT_EQ(0u, stream.capacity());
stream.clear();
EXPECT_EQ(nullptr, stream.data());
EXPECT_EQ(nullptr, stream.tellp());
EXPECT_EQ(0u, stream.size());
EXPECT_EQ(0u, stream.available());
EXPECT_EQ(0u, stream.capacity());
stream.write({source, 3});
std::uint8_t const* const loc = stream.data();
EXPECT_EQ(loc, stream.data());
EXPECT_EQ(loc + 3, stream.tellp());
EXPECT_EQ(3u, stream.size());
EXPECT_LE(stream.size(), stream.capacity());
EXPECT_EQ(stream.available(), stream.capacity() - stream.size());
const std::size_t capacity = stream.capacity();
stream.clear();
EXPECT_EQ(loc, stream.data());
EXPECT_EQ(loc, stream.tellp());
EXPECT_EQ(0u, stream.size());
EXPECT_EQ(capacity, stream.capacity());
EXPECT_EQ(stream.available(), stream.capacity() - stream.size());
}
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(HexLocale, String)
{
// the source data to encode and decode
std::vector<uint8_t> source{{ 0x00, 0xFF, 0x0F, 0xF0 }};
// encode and decode the data
auto hex = epee::to_hex::string({ source.data(), source.size() });
auto decoded = epee::from_hex_locale::to_vector(hex);
// encoded should be twice the size and should decode to the exact same data
EXPECT_EQ(source.size() * 2, hex.size());
EXPECT_EQ(source, decoded);
// we will now create a padded hex string, we want to explicitly allow
// decoding it this way also, ignoring spaces and colons between the numbers
hex.assign("00:ff 0f:f0");
EXPECT_EQ(source, epee::from_hex_locale::to_vector(hex));
hex.append("f0");
EXPECT_EQ(source, epee::from_hex_locale::to_vector(boost::string_ref{hex.data(), hex.size() - 2}));
}
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, ArrayFromPod)
{
std::array<char, 64> expected{{'5', 'f', '2', 'b', '0', '1'}};
std::fill(expected.begin() + 6, expected.end(), '0');
EXPECT_EQ(
expected,
(epee::to_hex::array(crypto::ec_point{{0x5F, 0x2B, 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(FromHex, ToString)
{
static constexpr const char hex[] = u8"deadbeeffY";
static constexpr const char binary[] = {
char(0xde), char(0xad), char(0xbe), char(0xef), 0x00
};
std::string out{};
EXPECT_FALSE(epee::from_hex::to_string(out, hex));
boost::string_ref portion{hex};
portion.remove_suffix(1);
EXPECT_FALSE(epee::from_hex::to_string(out, portion));
portion.remove_suffix(1);
EXPECT_TRUE(epee::from_hex::to_string(out, portion));
EXPECT_EQ(std::string{binary}, out);
}
TEST(FromHex, ToBuffer)
{
static constexpr const char hex[] = u8"deadbeeffY";
static constexpr const std::uint8_t binary[] = {0xde, 0xad, 0xbe, 0xef};
std::vector<std::uint8_t> out{};
out.resize(sizeof(binary));
EXPECT_FALSE(epee::from_hex::to_buffer(epee::to_mut_span(out), hex));
boost::string_ref portion{hex};
portion.remove_suffix(1);
EXPECT_FALSE(epee::from_hex::to_buffer(epee::to_mut_span(out), portion));
portion.remove_suffix(1);
EXPECT_FALSE(epee::from_hex::to_buffer({out.data(), out.size() - 1}, portion));
EXPECT_TRUE(epee::from_hex::to_buffer(epee::to_mut_span(out), portion));
const std::vector<std::uint8_t> expected{std::begin(binary), std::end(binary)};
EXPECT_EQ(expected, out);
}
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, ParseHex)
{
static const char data[] = "a10b68c2";
for (size_t i = 0; i < sizeof(data); i += 2)
{
std::string res;
ASSERT_TRUE(epee::string_tools::parse_hexstr_to_binbuff(std::string(data, i), res));
std::string hex = epee::string_tools::buff_to_hex_nodelimer(res);
ASSERT_EQ(hex.size(), i);
ASSERT_EQ(memcmp(data, hex.data(), i), 0);
}
}
TEST(StringTools, ParseNotHex)
{
std::string res;
for (size_t i = 0; i < 256; ++i)
{
std::string inputHexString = std::string(2, static_cast<char>(i));
if ((i >= '0' && i <= '9') || (i >= 'A' && i <= 'F') || (i >= 'a' && i <= 'f')) {
ASSERT_TRUE(epee::string_tools::parse_hexstr_to_binbuff(inputHexString, res));
} else {
ASSERT_FALSE(epee::string_tools::parse_hexstr_to_binbuff(inputHexString, res));
}
}
ASSERT_FALSE(epee::string_tools::parse_hexstr_to_binbuff(std::string("a"), res));
}
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)
{
static_assert(epee::net_utils::ipv4_network_address::get_type_id() == epee::net_utils::address_type::ipv4, "bad ipv4 type id");
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::get_type_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::get_type_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 epee::net_utils::address_type get_type_id() noexcept { return epee::net_utils::address_type(-1); }
constexpr static epee::net_utils::zone get_zone() noexcept { return epee::net_utils::zone::invalid; }
constexpr static bool is_blockable() noexcept { return false; }
};
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(epee::net_utils::address_type::invalid, empty.get_type_id());
EXPECT_EQ(epee::net_utils::zone::invalid, empty.get_zone());
EXPECT_FALSE(empty.is_blockable());
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::get_type_id(), address1.get_type_id());
EXPECT_EQ(epee::net_utils::zone::public_, address1.get_zone());
EXPECT_TRUE(address1.is_blockable());
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::get_type_id(), address1.get_type_id());
EXPECT_EQ(epee::net_utils::zone::public_, address1.get_zone());
EXPECT_EQ(epee::net_utils::ipv4_network_address::get_type_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);
}
TEST(net_buffer, basic)
{
epee::net_utils::buffer buf;
ASSERT_EQ(buf.size(), 0);
EXPECT_THROW(buf.span(1), std::runtime_error);
buf.append("a", 1);
epee::span<const uint8_t> span = buf.span(1);
ASSERT_EQ(span.size(), 1);
ASSERT_EQ(span.data()[0], 'a');
EXPECT_THROW(buf.span(2), std::runtime_error);
buf.append("bc", 2);
buf.erase(1);
EXPECT_THROW(buf.span(3), std::runtime_error);
span = buf.span(2);
ASSERT_EQ(span.size(), 2);
ASSERT_EQ(span.data()[0], 'b');
ASSERT_EQ(span.data()[1], 'c');
buf.erase(1);
EXPECT_THROW(buf.span(2), std::runtime_error);
span = buf.span(1);
ASSERT_EQ(span.size(), 1);
ASSERT_EQ(span.data()[0], 'c');
EXPECT_THROW(buf.erase(2), std::runtime_error);
buf.erase(1);
EXPECT_EQ(buf.size(), 0);
EXPECT_THROW(buf.span(1), std::runtime_error);
}
TEST(net_buffer, existing_capacity)
{
epee::net_utils::buffer buf;
buf.append("123456789", 9);
buf.erase(9);
buf.append("abc", 3);
buf.append("def", 3);
ASSERT_EQ(buf.size(), 6);
epee::span<const uint8_t> span = buf.span(6);
ASSERT_TRUE(!memcmp(span.data(), "abcdef", 6));
}
TEST(net_buffer, reallocate)
{
epee::net_utils::buffer buf;
buf.append(std::string(4000, ' ').c_str(), 4000);
buf.append(std::string(8000, '0').c_str(), 8000);
ASSERT_EQ(buf.size(), 12000);
epee::span<const uint8_t> span = buf.span(12000);
ASSERT_TRUE(!memcmp(span.data(), std::string(4000, ' ').c_str(), 4000));
ASSERT_TRUE(!memcmp(span.data() + 4000, std::string(8000, '0').c_str(), 8000));
}
TEST(net_buffer, move)
{
epee::net_utils::buffer buf;
buf.append(std::string(400, ' ').c_str(), 400);
buf.erase(399);
buf.append(std::string(4000, '0').c_str(), 4000);
ASSERT_EQ(buf.size(), 4001);
epee::span<const uint8_t> span = buf.span(4001);
ASSERT_TRUE(!memcmp(span.data(), std::string(1, ' ').c_str(), 1));
ASSERT_TRUE(!memcmp(span.data() + 1, std::string(4000, '0').c_str(), 4000));
}
TEST(parsing, isspace)
{
ASSERT_FALSE(epee::misc_utils::parse::isspace(0));
for (int c = 1; c < 256; ++c)
{
ASSERT_EQ(epee::misc_utils::parse::isspace(c), strchr("\r\n\t\f\v ", c) != NULL);
}
}
TEST(parsing, isdigit)
{
ASSERT_FALSE(epee::misc_utils::parse::isdigit(0));
for (int c = 1; c < 256; ++c)
{
ASSERT_EQ(epee::misc_utils::parse::isdigit(c), strchr("0123456789", c) != NULL);
}
}
TEST(parsing, number)
{
boost::string_ref val;
std::string s;
std::string::const_iterator i;
// the parser expects another character to end the number, and accepts things
// that aren't numbers, as it's meant as a pre-filter for strto* functions,
// so we just check that numbers get accepted, but don't test non numbers
s = "0 ";
i = s.begin();
epee::misc_utils::parse::match_number(i, s.end(), val);
ASSERT_EQ(val, "0");
s = "000 ";
i = s.begin();
epee::misc_utils::parse::match_number(i, s.end(), val);
ASSERT_EQ(val, "000");
s = "10x";
i = s.begin();
epee::misc_utils::parse::match_number(i, s.end(), val);
ASSERT_EQ(val, "10");
s = "10.09/";
i = s.begin();
epee::misc_utils::parse::match_number(i, s.end(), val);
ASSERT_EQ(val, "10.09");
s = "-1.r";
i = s.begin();
epee::misc_utils::parse::match_number(i, s.end(), val);
ASSERT_EQ(val, "-1.");
s = "-49.;";
i = s.begin();
epee::misc_utils::parse::match_number(i, s.end(), val);
ASSERT_EQ(val, "-49.");
s = "0.78/";
i = s.begin();
epee::misc_utils::parse::match_number(i, s.end(), val);
ASSERT_EQ(val, "0.78");
s = "33E9$";
i = s.begin();
epee::misc_utils::parse::match_number(i, s.end(), val);
ASSERT_EQ(val, "33E9");
s = ".34e2=";
i = s.begin();
epee::misc_utils::parse::match_number(i, s.end(), val);
ASSERT_EQ(val, ".34e2");
s = "-9.34e-2=";
i = s.begin();
epee::misc_utils::parse::match_number(i, s.end(), val);
ASSERT_EQ(val, "-9.34e-2");
s = "+9.34e+03=";
i = s.begin();
epee::misc_utils::parse::match_number(i, s.end(), val);
ASSERT_EQ(val, "+9.34e+03");
}
TEST(parsing, unicode)
{
std::string bs;
std::string s;
std::string::const_iterator si;
s = "\"\""; si = s.begin(); ASSERT_TRUE(epee::misc_utils::parse::match_string(si, s.end(), bs)); ASSERT_EQ(bs, "");
s = "\"\\u0000\""; si = s.begin(); ASSERT_TRUE(epee::misc_utils::parse::match_string(si, s.end(), bs)); ASSERT_EQ(bs, std::string(1, '\0'));
s = "\"\\u0020\""; si = s.begin(); ASSERT_TRUE(epee::misc_utils::parse::match_string(si, s.end(), bs)); ASSERT_EQ(bs, " ");
s = "\"\\u1\""; si = s.begin(); ASSERT_FALSE(epee::misc_utils::parse::match_string(si, s.end(), bs));
s = "\"\\u12\""; si = s.begin(); ASSERT_FALSE(epee::misc_utils::parse::match_string(si, s.end(), bs));
s = "\"\\u123\""; si = s.begin(); ASSERT_FALSE(epee::misc_utils::parse::match_string(si, s.end(), bs));
s = "\"\\u1234\""; si = s.begin(); ASSERT_TRUE(epee::misc_utils::parse::match_string(si, s.end(), bs)); ASSERT_EQ(bs, "ሴ");
s = "\"foo\\u1234bar\""; si = s.begin(); ASSERT_TRUE(epee::misc_utils::parse::match_string(si, s.end(), bs)); ASSERT_EQ(bs, "fooሴbar");
s = "\"\\u3042\\u307e\\u3084\\u304b\\u3059\""; si = s.begin(); ASSERT_TRUE(epee::misc_utils::parse::match_string(si, s.end(), bs)); ASSERT_EQ(bs, "あまやかす");
}
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