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

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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
commit 2878167c18
No known key found for this signature in database
GPG Key ID: 1E4AED62986CD25D
6 changed files with 59 additions and 44 deletions
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19
src/test/base32_tests.cpp
View File

@ -6,6 +6,9 @@
#include <util/strencodings.h>
#include <boost/test/unit_test.hpp>
#include <string>
using namespace std::literals;
BOOST_FIXTURE_TEST_SUITE(base32_tests, BasicTestingSetup)
@ -26,14 +29,14 @@ BOOST_AUTO_TEST_CASE(base32_testvectors)
// Decoding strings with embedded NUL characters should fail
bool failure;
(void)DecodeBase32(std::string("invalid", 7), &failure);
BOOST_CHECK_EQUAL(failure, true);
(void)DecodeBase32(std::string("AWSX3VPP", 8), &failure);
BOOST_CHECK_EQUAL(failure, false);
(void)DecodeBase32(std::string("AWSX3VPP\0invalid", 16), &failure);
BOOST_CHECK_EQUAL(failure, true);
(void)DecodeBase32(std::string("AWSX3VPPinvalid", 15), &failure);
BOOST_CHECK_EQUAL(failure, true);
(void)DecodeBase32("invalid\0"s, &failure); // correct size, invalid due to \0
BOOST_CHECK(failure);
(void)DecodeBase32("AWSX3VPP"s, &failure); // valid
BOOST_CHECK(!failure);
(void)DecodeBase32("AWSX3VPP\0invalid"s, &failure); // correct size, invalid due to \0
BOOST_CHECK(failure);
(void)DecodeBase32("AWSX3VPPinvalid"s, &failure); // invalid size
BOOST_CHECK(failure);
}
BOOST_AUTO_TEST_SUITE_END()

24
src/test/base58_tests.cpp
View File

@ -12,7 +12,9 @@
#include <univalue.h>
#include <boost/test/unit_test.hpp>
#include <string>
using namespace std::literals;
extern UniValue read_json(const std::string& jsondata);
@ -58,14 +60,14 @@ BOOST_AUTO_TEST_CASE(base58_DecodeBase58)
BOOST_CHECK_MESSAGE(result.size() == expected.size() && std::equal(result.begin(), result.end(), expected.begin()), strTest);
}
BOOST_CHECK(!DecodeBase58("invalid", result, 100));
BOOST_CHECK(!DecodeBase58(std::string("invalid"), result, 100));
BOOST_CHECK(!DecodeBase58(std::string("\0invalid", 8), result, 100));
BOOST_CHECK(!DecodeBase58("invalid"s, result, 100));
BOOST_CHECK(!DecodeBase58("invalid\0"s, result, 100));
BOOST_CHECK(!DecodeBase58("\0invalid"s, result, 100));
BOOST_CHECK(DecodeBase58(std::string("good", 4), result, 100));
BOOST_CHECK(!DecodeBase58(std::string("bad0IOl", 7), result, 100));
BOOST_CHECK(!DecodeBase58(std::string("goodbad0IOl", 11), result, 100));
BOOST_CHECK(!DecodeBase58(std::string("good\0bad0IOl", 12), result, 100));
BOOST_CHECK(DecodeBase58("good"s, result, 100));
BOOST_CHECK(!DecodeBase58("bad0IOl"s, result, 100));
BOOST_CHECK(!DecodeBase58("goodbad0IOl"s, result, 100));
BOOST_CHECK(!DecodeBase58("good\0bad0IOl"s, result, 100));
// check that DecodeBase58 skips whitespace, but still fails with unexpected non-whitespace at the end.
BOOST_CHECK(!DecodeBase58(" \t\n\v\f\r skip \r\f\v\n\t a", result, 3));
@ -73,10 +75,10 @@ BOOST_AUTO_TEST_CASE(base58_DecodeBase58)
std::vector<unsigned char> expected = ParseHex("971a55");
BOOST_CHECK_EQUAL_COLLECTIONS(result.begin(), result.end(), expected.begin(), expected.end());
BOOST_CHECK(DecodeBase58Check(std::string("3vQB7B6MrGQZaxCuFg4oh", 21), result, 100));
BOOST_CHECK(!DecodeBase58Check(std::string("3vQB7B6MrGQZaxCuFg4oi", 21), result, 100));
BOOST_CHECK(!DecodeBase58Check(std::string("3vQB7B6MrGQZaxCuFg4oh0IOl", 25), result, 100));
BOOST_CHECK(!DecodeBase58Check(std::string("3vQB7B6MrGQZaxCuFg4oh\00IOl", 26), result, 100));
BOOST_CHECK(DecodeBase58Check("3vQB7B6MrGQZaxCuFg4oh"s, result, 100));
BOOST_CHECK(!DecodeBase58Check("3vQB7B6MrGQZaxCuFg4oi"s, result, 100));
BOOST_CHECK(!DecodeBase58Check("3vQB7B6MrGQZaxCuFg4oh0IOl"s, result, 100));
BOOST_CHECK(!DecodeBase58Check("3vQB7B6MrGQZaxCuFg4oh\0" "0IOl"s, result, 100));
}
BOOST_AUTO_TEST_CASE(base58_random_encode_decode)

19
src/test/base64_tests.cpp
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@ -6,6 +6,9 @@
#include <util/strencodings.h>
#include <boost/test/unit_test.hpp>
#include <string>
using namespace std::literals;
BOOST_FIXTURE_TEST_SUITE(base64_tests, BasicTestingSetup)
@ -23,14 +26,14 @@ BOOST_AUTO_TEST_CASE(base64_testvectors)
// Decoding strings with embedded NUL characters should fail
bool failure;
(void)DecodeBase64(std::string("invalid", 7), &failure);
BOOST_CHECK_EQUAL(failure, true);
(void)DecodeBase64(std::string("nQB/pZw=", 8), &failure);
BOOST_CHECK_EQUAL(failure, false);
(void)DecodeBase64(std::string("nQB/pZw=\0invalid", 16), &failure);
BOOST_CHECK_EQUAL(failure, true);
(void)DecodeBase64(std::string("nQB/pZw=invalid", 15), &failure);
BOOST_CHECK_EQUAL(failure, true);
(void)DecodeBase64("invalid\0"s, &failure);
BOOST_CHECK(failure);
(void)DecodeBase64("nQB/pZw="s, &failure);
BOOST_CHECK(!failure);
(void)DecodeBase64("nQB/pZw=\0invalid"s, &failure);
BOOST_CHECK(failure);
(void)DecodeBase64("nQB/pZw=invalid\0"s, &failure);
BOOST_CHECK(failure);
}
BOOST_AUTO_TEST_SUITE_END()

6
src/test/net_tests.cpp
View File

@ -25,6 +25,8 @@
#include <memory>
#include <string>
using namespace std::literals;
class CAddrManSerializationMock : public CAddrMan
{
public:
@ -106,8 +108,8 @@ BOOST_AUTO_TEST_CASE(caddrdb_read)
BOOST_CHECK(Lookup("250.7.1.1", addr1, 8333, false));
BOOST_CHECK(Lookup("250.7.2.2", addr2, 9999, false));
BOOST_CHECK(Lookup("250.7.3.3", addr3, 9999, false));
BOOST_CHECK(Lookup(std::string("250.7.3.3", 9), addr3, 9999, false));
BOOST_CHECK(!Lookup(std::string("250.7.3.3\0example.com", 21), addr3, 9999, false));
BOOST_CHECK(Lookup("250.7.3.3"s, addr3, 9999, false));
BOOST_CHECK(!Lookup("250.7.3.3\0example.com"s, addr3, 9999, false));
// Add three addresses to new table.
CService source;

26
src/test/netbase_tests.cpp
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

9
src/test/util_tests.cpp
View File

@ -23,6 +23,7 @@
#include <array>
#include <stdint.h>
#include <string.h>
#include <thread>
#include <univalue.h>
#include <utility>
@ -35,6 +36,8 @@
#include <boost/test/unit_test.hpp>
using namespace std::literals;
/* defined in logging.cpp */
namespace BCLog {
std::string LogEscapeMessage(const std::string& str);
@ -1257,9 +1260,9 @@ BOOST_AUTO_TEST_CASE(util_ParseMoney)
BOOST_CHECK(!ParseMoney("-1", ret));
// Parsing strings with embedded NUL characters should fail
BOOST_CHECK(!ParseMoney(std::string("\0-1", 3), ret));
BOOST_CHECK(!ParseMoney(std::string("\01", 2), ret));
BOOST_CHECK(!ParseMoney(std::string("1\0", 2), ret));
BOOST_CHECK(!ParseMoney("\0-1"s, ret));
BOOST_CHECK(!ParseMoney("\0" "1"s, ret));
BOOST_CHECK(!ParseMoney("1\0"s, ret));
}
BOOST_AUTO_TEST_CASE(util_IsHex)