epee_utils.cpp File Reference

#include <array>
#include <boost/endian/conversion.hpp>
#include <boost/range/algorithm/equal.hpp>
#include <boost/range/algorithm_ext/iota.hpp>
#include <cstdint>
#include <gtest/gtest.h>
#include <iterator>
#include <string>
#include <sstream>
#include <vector>
#include <arpa/inet.h>
#include "boost/archive/portable_binary_iarchive.hpp"
#include "boost/archive/portable_binary_oarchive.hpp"
#include "hex.h"
#include "net/net_utils_base.h"
#include "net/local_ip.h"
#include "net/buffer.h"
#include "p2p/net_peerlist_boost_serialization.h"
#include "span.h"
#include "string_tools.h"
#include "storages/parserse_base_utils.h"

Include dependency graph for epee_utils.cpp:

Go to the source code of this file.

Macros
#define	CHECK_EQUAL(lhs, rhs)
#define	CHECK_LESS(lhs, rhs)
#define	CHECK_LESS_ENDIAN(lhs, rhs)

Functions
	TEST (Span, Traits)
	TEST (Span, MutableConstruction)
	TEST (Span, ImmutableConstruction)
	TEST (Span, NoExcept)
	TEST (Span, Nullptr)
	TEST (Span, Writing)
	TEST (Span, RemovePrefix)
	TEST (Span, ToByteSpan)
	TEST (Span, AsByteSpan)
	TEST (Span, AsMutByteSpan)
	TEST (Span, ToMutSpan)
	TEST (ToHex, String)
	TEST (FromHex, String)
	TEST (ToHex, Array)
	TEST (ToHex, Ostream)
	TEST (ToHex, Formatted)
	TEST (StringTools, BuffToHex)
	TEST (StringTools, PodToHex)
	TEST (StringTools, ParseHex)
	TEST (StringTools, ParseNotHex)
	TEST (StringTools, GetIpString)
	TEST (StringTools, GetIpInt32)
	TEST (NetUtils, IPv4NetworkAddress)
	TEST (NetUtils, NetworkAddress)
	TEST (NetUtils, PrivateRanges)
	TEST (net_buffer, basic)
	TEST (net_buffer, existing_capacity)
	TEST (net_buffer, reallocate)
	TEST (net_buffer, move)
	TEST (parsing, isspace)
	TEST (parsing, isdigit)
	TEST (parsing, number)

Macro Definition Documentation

CHECK_EQUAL

#define CHECK_EQUAL	(		lhs,
			rhs )

Value:

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 )

Definition at line 111 of file epee_utils.cpp.

  #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 )

CHECK_LESS

#define CHECK_LESS	(		lhs,
			rhs )

Value:

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 )

Definition at line 125 of file epee_utils.cpp.

  #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 )

CHECK_LESS_ENDIAN

#define CHECK_LESS_ENDIAN	(		lhs,
			rhs )

Value:

CHECK_LESS( lhs , rhs )

Definition at line 142 of file epee_utils.cpp.

Function Documentation

TEST() [1/32]

TEST	(	FromHex	,
		String	)

Definition at line 393 of file epee_utils.cpp.

{
    // 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::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));
}

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TEST() [2/32]

TEST	(	net_buffer	,
		basic	)

Definition at line 801 of file epee_utils.cpp.

{
  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);
}

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TEST() [3/32]

TEST	(	net_buffer	,
		existing_capacity	)

Definition at line 830 of file epee_utils.cpp.

{
  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));
}

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TEST() [4/32]

TEST	(	net_buffer	,
		move	)

Definition at line 855 of file epee_utils.cpp.

{
  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));
}

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TEST() [5/32]

TEST	(	net_buffer	,
		reallocate	)

Definition at line 843 of file epee_utils.cpp.

{
  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));
}

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TEST() [6/32]

TEST	(	NetUtils	,
		IPv4NetworkAddress	)

Definition at line 566 of file epee_utils.cpp.

{
  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());
}

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TEST() [7/32]

TEST	(	NetUtils	,
		NetworkAddress	)

Definition at line 635 of file epee_utils.cpp.

{
  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());
  //Temporary get_zone == public to support backwards compatibility with v0.11 nodes
  EXPECT_EQ(epee::net_utils::zone::public_, 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>());
}

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TEST() [8/32]

TEST	(	NetUtils	,
		PrivateRanges	)

Definition at line 777 of file epee_utils.cpp.

{
  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() [9/32]

TEST	(	parsing	,
		isdigit	)

Definition at line 877 of file epee_utils.cpp.

{
  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);
  }
}

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TEST() [10/32]

TEST	(	parsing	,
		isspace	)

Definition at line 868 of file epee_utils.cpp.

{
  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);
  }
}

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TEST() [11/32]

TEST	(	parsing	,
		number	)

Definition at line 886 of file epee_utils.cpp.

{
  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");
}

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TEST() [12/32]

TEST	(	Span	,
		AsByteSpan	)

Definition at line 337 of file epee_utils.cpp.

{
  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")
    )
  );
}

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TEST() [13/32]

TEST	(	Span	,
		AsMutByteSpan	)

Definition at line 354 of file epee_utils.cpp.

{
  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
    )
  );
}

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TEST() [14/32]

TEST	(	Span	,
		ImmutableConstruction	)

Definition at line 201 of file epee_utils.cpp.

{
  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() [15/32]

TEST	(	Span	,
		MutableConstruction	)

Definition at line 169 of file epee_utils.cpp.

{
  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() [16/32]

TEST	(	Span	,
		NoExcept	)

Definition at line 236 of file epee_utils.cpp.

{
  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() [17/32]

TEST	(	Span	,
		Nullptr	)

Definition at line 263 of file epee_utils.cpp.

{
  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() [18/32]

TEST	(	Span	,
		RemovePrefix	)

Definition at line 301 of file epee_utils.cpp.

{
  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));
}

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TEST() [19/32]

TEST	(	Span	,
		ToByteSpan	)

Definition at line 320 of file epee_utils.cpp.

{
  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})
    )
  );
}

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TEST() [20/32]

TEST	(	Span	,
		ToMutSpan	)

Definition at line 368 of file epee_utils.cpp.

{
  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);
}

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TEST() [21/32]

TEST	(	Span	,
		Traits	)

Definition at line 146 of file epee_utils.cpp.

{
  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() [22/32]

TEST	(	Span	,
		Writing	)

Definition at line 278 of file epee_utils.cpp.

{
  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));
}

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TEST() [23/32]

TEST	(	StringTools	,
		BuffToHex	)

Definition at line 460 of file epee_utils.cpp.

{
  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()}
    ))
  );
}

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TEST() [24/32]

TEST	(	StringTools	,
		GetIpInt32	)

Definition at line 525 of file epee_utils.cpp.

{
  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
  electroneum.
  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);
}

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TEST() [25/32]

TEST	(	StringTools	,
		GetIpString	)

Definition at line 510 of file epee_utils.cpp.

{
  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))
  );
}

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TEST() [26/32]

TEST	(	StringTools	,
		ParseHex	)

Definition at line 481 of file epee_utils.cpp.

{
  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);
  }
}

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TEST() [27/32]

TEST	(	StringTools	,
		ParseNotHex	)

Definition at line 494 of file epee_utils.cpp.

{
  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));
}

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TEST() [28/32]

TEST	(	StringTools	,
		PodToHex	)

Definition at line 472 of file epee_utils.cpp.

{
  struct some_pod { unsigned char data[4]; };
  EXPECT_EQ(
    std::string{"ffab0100"},
    (epee::string_tools::pod_to_hex(some_pod{{0xFF, 0xAB, 0x01, 0x00}}))
  );
}

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TEST() [29/32]

TEST	(	ToHex	,
		Array	)

Definition at line 412 of file epee_utils.cpp.

{
  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}}))
  );
}

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TEST() [30/32]

TEST	(	ToHex	,
		Formatted	)

Definition at line 441 of file epee_utils.cpp.

{
  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());
}

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TEST() [31/32]

TEST	(	ToHex	,
		Ostream	)

Definition at line 420 of file epee_utils.cpp.

{
  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());
}

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TEST() [32/32]

TEST	(	ToHex	,
		String	)

Definition at line 378 of file epee_utils.cpp.

{
  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))
  );
 
}

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