Merge #20000: test: fix creation of "std::string"s with \0s

ecc6cf1a3b test: fix creation of std::string objects with \0s (Vasil Dimov)

Pull request description:

  A string literal `"abc"` contains a terminating `\0`, so that is 4
  bytes. There is no need to write `"abc\0"` unless two terminating
  `\0`s are necessary.

  `std::string` objects do not internally contain a terminating `\0`, so
  `std::string("abc")` creates a string with size 3 and is the same as
  `std::string("abc", 3)`.

  In `"\01"` the `01` part is interpreted as one number (1) and that is
  the same as `"\1"` which is a string like `{1, 0}` whereas `"\0z"` is a
  string like `{0, 'z', 0}`. To create a string like `{0, '1', 0}` one
  must use `"\0" "1"`.

  Adjust the tests accordingly.

ACKs for top commit:
  laanwj:
    ACK ecc6cf1a3b
  practicalswift:
    ACK ecc6cf1a3b modulo happily green CI

Tree-SHA512: 5eb489e8533a4199a9324b92f7280041552379731ebf7dfee169f70d5458e20e29b36f8bfaee6f201f48ab2b9d1d0fc4bdf8d6e4c58d6102f399cfbea54a219e
This commit is contained in:
Wladimir J. van der Laan
2020-11-20 04:36:19 +01:00
6 changed files with 59 additions and 44 deletions

View File

@@ -16,6 +16,8 @@
#include <boost/test/unit_test.hpp>
using namespace std::literals;
BOOST_FIXTURE_TEST_SUITE(netbase_tests, BasicTestingSetup)
static CNetAddr ResolveIP(const std::string& ip)
@@ -431,20 +433,20 @@ BOOST_AUTO_TEST_CASE(netpermissions_test)
BOOST_AUTO_TEST_CASE(netbase_dont_resolve_strings_with_embedded_nul_characters)
{
CNetAddr addr;
BOOST_CHECK(LookupHost(std::string("127.0.0.1", 9), addr, false));
BOOST_CHECK(!LookupHost(std::string("127.0.0.1\0", 10), addr, false));
BOOST_CHECK(!LookupHost(std::string("127.0.0.1\0example.com", 21), addr, false));
BOOST_CHECK(!LookupHost(std::string("127.0.0.1\0example.com\0", 22), addr, false));
BOOST_CHECK(LookupHost("127.0.0.1"s, addr, false));
BOOST_CHECK(!LookupHost("127.0.0.1\0"s, addr, false));
BOOST_CHECK(!LookupHost("127.0.0.1\0example.com"s, addr, false));
BOOST_CHECK(!LookupHost("127.0.0.1\0example.com\0"s, addr, false));
CSubNet ret;
BOOST_CHECK(LookupSubNet(std::string("1.2.3.0/24", 10), ret));
BOOST_CHECK(!LookupSubNet(std::string("1.2.3.0/24\0", 11), ret));
BOOST_CHECK(!LookupSubNet(std::string("1.2.3.0/24\0example.com", 22), ret));
BOOST_CHECK(!LookupSubNet(std::string("1.2.3.0/24\0example.com\0", 23), ret));
BOOST_CHECK(LookupSubNet("1.2.3.0/24"s, ret));
BOOST_CHECK(!LookupSubNet("1.2.3.0/24\0"s, ret));
BOOST_CHECK(!LookupSubNet("1.2.3.0/24\0example.com"s, ret));
BOOST_CHECK(!LookupSubNet("1.2.3.0/24\0example.com\0"s, ret));
// We only do subnetting for IPv4 and IPv6
BOOST_CHECK(!LookupSubNet(std::string("5wyqrzbvrdsumnok.onion", 22), ret));
BOOST_CHECK(!LookupSubNet(std::string("5wyqrzbvrdsumnok.onion\0", 23), ret));
BOOST_CHECK(!LookupSubNet(std::string("5wyqrzbvrdsumnok.onion\0example.com", 34), ret));
BOOST_CHECK(!LookupSubNet(std::string("5wyqrzbvrdsumnok.onion\0example.com\0", 35), ret));
BOOST_CHECK(!LookupSubNet("5wyqrzbvrdsumnok.onion"s, ret));
BOOST_CHECK(!LookupSubNet("5wyqrzbvrdsumnok.onion\0"s, ret));
BOOST_CHECK(!LookupSubNet("5wyqrzbvrdsumnok.onion\0example.com"s, ret));
BOOST_CHECK(!LookupSubNet("5wyqrzbvrdsumnok.onion\0example.com\0"s, ret));
}
// Since CNetAddr (un)ser is tested separately in net_tests.cpp here we only