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Merge #16730: Support serialization of std::vector<bool>

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92528c260e Support serialization of std::vector<bool> (Pieter Wuille)

Pull request description:

  This adds support for serialization of `std::vector<bool>`, as a prerequisite of #16702.

ACKs for top commit:
  MarcoFalke:
    ACK 92528c260e (only looked at the diff on GitHub)
  practicalswift:
    ACK 92528c260e -- diff looks correct
  jamesob:
    ACK 92528c260e

Tree-SHA512: 068246a55a889137098f817bf72d99fc3218a560d62a97c59cccc0392b110f6778843cee4e89d56f271ac64e03a0f64dc5e2cc22daa833fbbbe9234c5f42d7b9
This commit is contained in:
fanquake 2019-08-27 07:36:33 +08:00
commit efe1ee0d8d
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2 changed files with 21 additions and 0 deletions
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13
src/serialize.h
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@ -555,6 +555,7 @@ template<typename Stream, unsigned int N, typename T> inline void Unserialize(St
* vectors of unsigned char are a special case and are intended to be serialized as a single opaque blob.
*/
template<typename Stream, typename T, typename A> void Serialize_impl(Stream& os, const std::vector<T, A>& v, const unsigned char&);
template<typename Stream, typename T, typename A> void Serialize_impl(Stream& os, const std::vector<T, A>& v, const bool&);
template<typename Stream, typename T, typename A, typename V> void Serialize_impl(Stream& os, const std::vector<T, A>& v, const V&);
template<typename Stream, typename T, typename A> inline void Serialize(Stream& os, const std::vector<T, A>& v);
template<typename Stream, typename T, typename A> void Unserialize_impl(Stream& is, std::vector<T, A>& v, const unsigned char&);
@ -713,6 +714,18 @@ void Serialize_impl(Stream& os, const std::vector<T, A>& v, const unsigned char&
os.write((char*)v.data(), v.size() * sizeof(T));
}
template<typename Stream, typename T, typename A>
void Serialize_impl(Stream& os, const std::vector<T, A>& v, const bool&)
{
// A special case for std::vector<bool>, as dereferencing
// std::vector<bool>::const_iterator does not result in a const bool&
// due to std::vector's special casing for bool arguments.
WriteCompactSize(os, v.size());
for (bool elem : v) {
::Serialize(os, elem);
}
}
template<typename Stream, typename T, typename A, typename V>
void Serialize_impl(Stream& os, const std::vector<T, A>& v, const V&)
{

8
src/test/serialize_tests.cpp
View file

@ -258,6 +258,14 @@ static bool isCanonicalException(const std::ios_base::failure& ex)
return strcmp(expectedException.what(), ex.what()) == 0;
}
BOOST_AUTO_TEST_CASE(vector_bool)
{
std::vector<uint8_t> vec1{1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, 0, 1, 0, 0, 1};
std::vector<bool> vec2{1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, 0, 1, 0, 0, 1};
BOOST_CHECK(vec1 == std::vector<uint8_t>(vec2.begin(), vec2.end()));
BOOST_CHECK(SerializeHash(vec1) == SerializeHash(vec2));
}
BOOST_AUTO_TEST_CASE(noncanonical)
{