// Copyright (c) 2014-2019, 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 #include #include #include #include #include #include #include #include #include #include #ifndef _WIN32 # include #endif #include "boost/archive/portable_binary_iarchive.hpp" #include "boost/archive/portable_binary_oarchive.hpp" #include "byte_slice.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 bool can_construct() { const unsigned count = unsigned(std::is_constructible()) + unsigned(std::is_constructible()) + unsigned(std::is_convertible()) + unsigned(std::is_convertible()) + unsigned(std::is_assignable()) + unsigned(std::is_assignable()); 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 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(test_string).cbegin() + 3 == test_string.cbegin() + 3, "test failure" ); static_assert(epee::span().empty(), "test failure"); static_assert(epee::span(nullptr).empty(), "test failure"); static_assert(epee::span("foo", 2).size() == 2, "test failure"); std::string std_to_hex(const std::vector& 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 get_all_bytes() { std::vector 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::size_type>())); EXPECT_TRUE((std::is_same::difference_type>())); EXPECT_TRUE((std::is_same::value_type>())); EXPECT_TRUE((std::is_same::pointer>())); EXPECT_TRUE((std::is_same::const_pointer>())); EXPECT_TRUE((std::is_same::iterator>())); EXPECT_TRUE((std::is_same::const_iterator>())); EXPECT_TRUE((std::is_same::reference>())); EXPECT_TRUE((std::is_same::const_reference>())); EXPECT_TRUE((std::is_same::size_type>())); EXPECT_TRUE((std::is_same::difference_type>())); EXPECT_TRUE((std::is_same::value_type>())); EXPECT_TRUE((std::is_same::pointer>())); EXPECT_TRUE((std::is_same::const_pointer>())); EXPECT_TRUE((std::is_same::iterator>())); EXPECT_TRUE((std::is_same::const_iterator>())); EXPECT_TRUE((std::is_same::reference>())); EXPECT_TRUE((std::is_same::const_reference>())); } TEST(Span, MutableConstruction) { struct no_conversion{}; struct inherited : no_conversion {}; EXPECT_TRUE(std::is_constructible>()); EXPECT_TRUE((std::is_constructible, char*, std::size_t>())); EXPECT_FALSE((std::is_constructible, const char*, std::size_t>())); EXPECT_FALSE((std::is_constructible, unsigned char*, std::size_t>())); EXPECT_TRUE(std::is_constructible>()); EXPECT_TRUE((std::is_constructible, no_conversion*, std::size_t>())); EXPECT_FALSE((std::is_constructible, inherited*, std::size_t>())); EXPECT_TRUE((can_construct, std::nullptr_t>())); EXPECT_TRUE((can_construct, char(&)[1]>())); EXPECT_FALSE((can_construct, std::vector>())); EXPECT_FALSE((can_construct, std::array>())); EXPECT_FALSE((can_construct, std::wstring>())); EXPECT_FALSE((can_construct, const std::vector>())); EXPECT_FALSE((can_construct, std::vector>())); EXPECT_FALSE((can_construct, const std::array>())); EXPECT_FALSE((can_construct, std::array>())); EXPECT_FALSE((can_construct, const char[1]>())); EXPECT_FALSE((can_construct, unsigned char[1]>())); EXPECT_FALSE((can_construct, epee::span>())); EXPECT_FALSE((can_construct, epee::span>())); EXPECT_FALSE((can_construct, no_conversion>())); } TEST(Span, ImmutableConstruction) { struct no_conversion{}; struct inherited : no_conversion {}; EXPECT_TRUE(std::is_constructible>()); EXPECT_TRUE((std::is_constructible, char*, std::size_t>())); EXPECT_TRUE((std::is_constructible, const char*, std::size_t>())); EXPECT_FALSE((std::is_constructible, unsigned char*, std::size_t>())); EXPECT_TRUE(std::is_constructible>()); EXPECT_TRUE((std::is_constructible, const no_conversion*, std::size_t>())); EXPECT_TRUE((std::is_constructible, no_conversion*, std::size_t>())); EXPECT_FALSE((std::is_constructible, const inherited*, std::size_t>())); EXPECT_FALSE((std::is_constructible, inherited*, std::size_t>())); EXPECT_FALSE((can_construct, std::string>())); EXPECT_FALSE((can_construct, std::vector>())); EXPECT_FALSE((can_construct, const std::vector>())); EXPECT_FALSE((can_construct, std::array>())); EXPECT_FALSE((can_construct, const std::array>())); EXPECT_TRUE((can_construct, std::nullptr_t>())); EXPECT_TRUE((can_construct, char[1]>())); EXPECT_TRUE((can_construct, const char[1]>())); EXPECT_TRUE((can_construct, epee::span>())); EXPECT_FALSE((can_construct, std::wstring>())); EXPECT_FALSE((can_construct, std::vector>())); EXPECT_FALSE((can_construct, std::array>())); EXPECT_FALSE((can_construct, unsigned char[1]>())); EXPECT_FALSE((can_construct, epee::span>())); EXPECT_FALSE((can_construct, no_conversion>())); } TEST(Span, NoExcept) { EXPECT_TRUE(std::is_nothrow_default_constructible>()); EXPECT_TRUE(std::is_nothrow_move_constructible>()); EXPECT_TRUE(std::is_nothrow_copy_constructible>()); EXPECT_TRUE(std::is_move_assignable>()); EXPECT_TRUE(std::is_copy_assignable>()); char data[10]; epee::span lvalue(data); const epee::span clvalue(data); EXPECT_TRUE(noexcept(epee::span())); EXPECT_TRUE(noexcept(epee::span(nullptr))); EXPECT_TRUE(noexcept(epee::span(data))); EXPECT_TRUE(noexcept(epee::span(lvalue))); EXPECT_TRUE(noexcept(epee::span(clvalue))); // conversion from mutable to immutable not yet implemented // EXPECT_TRUE(noexcept(epee::span(lvalue))); // EXPECT_TRUE(noexcept(epee::span(clvalue))); EXPECT_TRUE(noexcept(epee::span(epee::span(lvalue)))); EXPECT_TRUE(noexcept(lvalue = lvalue)); EXPECT_TRUE(noexcept(lvalue = clvalue)); EXPECT_TRUE(noexcept(lvalue = epee::span(lvalue))); } TEST(Span, Nullptr) { const auto check_empty = [](epee::span 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 source; epee::span 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 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{{56, 44, 11, 5}}, epee::to_byte_span(expected) ) ); EXPECT_TRUE( boost::range::equal( std::array{{56, 44, 11, 5}}, epee::to_byte_span(epee::span{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{{5, 10, 12, 127}}, epee::as_byte_span(immutable) ) ); EXPECT_TRUE( boost::range::equal( std::array{{'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{{1, 2, 3, 4}}, actual.value ) ); } TEST(Span, ToMutSpan) { std::vector mut; mut.resize(4); auto span = epee::to_mut_span(mut); boost::range::iota(span, 1); EXPECT_EQ((std::vector{1, 2, 3, 4}), mut); } TEST(ByteSlice, Construction) { EXPECT_TRUE(std::is_default_constructible()); EXPECT_TRUE(std::is_move_constructible()); EXPECT_FALSE(std::is_copy_constructible()); EXPECT_TRUE(std::is_move_assignable()); EXPECT_FALSE(std::is_copy_assignable()); } TEST(ByteSlice, NoExcept) { EXPECT_TRUE(std::is_nothrow_default_constructible()); EXPECT_TRUE(std::is_nothrow_move_constructible()); EXPECT_TRUE(std::is_nothrow_move_assignable()); 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 part1 = epee::as_byte_span("this is part1"); const epee::span part2 = epee::as_byte_span("then part2"); const epee::span 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 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 adapted(sizeof(base_string)); ASSERT_EQ(sizeof(base_string), adapted.size()); std::memcpy(adapted.data(), base_string, sizeof(base_string)); const epee::span 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{}}; 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 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 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 original = epee::to_span(slice); 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 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(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 all_bytes = get_all_bytes(); EXPECT_EQ( std_to_hex(all_bytes), epee::to_hex::string(epee::to_span(all_bytes)) ); } TEST(FromHex, String) { // the source data to encode and decode std::vector 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::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::vector(hex)); } TEST(ToHex, Array) { EXPECT_EQ( (std::array{{'f', 'f', 'a', 'b', '0', '1', '0', '0'}}), (epee::to_hex::array(std::array{{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 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(""); epee::to_hex::formatted(out, epee::as_byte_span("\xFF\xAB\x01")); EXPECT_EQ(expected, out.str()); const std::vector 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 all_bytes = get_all_bytes(); EXPECT_EQ( std_to_hex(all_bytes), (epee::string_tools::buff_to_hex_nodelimer( std::string{reinterpret_cast(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(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("", empty.str().c_str()); EXPECT_STREQ("", 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(), 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()); EXPECT_THROW(address1.as(), 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(), std::bad_cast); EXPECT_NO_THROW(address2.as()); 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()); 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(), std::bad_cast); EXPECT_NO_THROW(address1.as()); } 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 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 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 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 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"); }