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2952 lines (2601 loc) · 83.2 KB
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//
// Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
// Official repository: https://github.com/boostorg/json
//
// Test that header file is self-contained.
#include <boost/json/string.hpp>
#include <boost/core/detail/static_assert.hpp>
#include <boost/json/monotonic_resource.hpp>
#include <boost/json/parse.hpp>
#include <numeric>
#include <sstream>
#include <string>
#include <stdint.h>
#include <unordered_set>
#include "test.hpp"
#include "test_suite.hpp"
namespace boost {
namespace json {
BOOST_CORE_STATIC_ASSERT( std::is_nothrow_destructible<string>::value );
BOOST_CORE_STATIC_ASSERT( std::is_nothrow_move_constructible<string>::value );
class string_test
{
public:
#if BOOST_JSON_ARCH == 64
# define INIT1 { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n' }
# define INIT2 { 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O' }
#elif BOOST_JSON_ARCH == 32
# define INIT1 { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j' }
# define INIT2 { 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K' }
#else
# error Unknown architecture
#endif
struct test_vectors
{
// fit in sbo
string_view v1; // "abc...
// dynamic alloc
string_view v2; // "ABC...
std::string const s1;
std::string const s2;
test_vectors()
: s1([&]
{
std::string s;
s.resize(string{}.capacity());
std::iota(s.begin(), s.end(), 'a');
return s;
}())
, s2([&]
{
std::string s;
s.resize(string{}.capacity() + 1);
std::iota(s.begin(), s.end(), 'A');
return s;
}())
{
v1 = s1;
v2 = s2;
BOOST_TEST(std::string(INIT1) == s1);
BOOST_TEST(std::string(INIT2) == s2);
}
};
static
string_view
last_of(
string_view s,
std::size_t n)
{
return s.substr(s.size() - n);
}
void
testConstruction()
{
test_vectors const t;
// string()
{
string s;
}
// string(storage_ptr)
{
auto const sp =
make_shared_resource<unique_resource>();
string s(sp);
BOOST_TEST(s.empty());
BOOST_TEST(*s.storage() == *sp.get());
}
// string(size_type, char, storage_ptr)
{
fail_loop([&](storage_ptr const& sp)
{
string s(t.v1.size(), '*', sp);
BOOST_TEST(s == std::string(t.v1.size(), '*'));
});
{
string s(t.v2.size(), '*');
BOOST_TEST(s == std::string(t.v2.size(), '*'));
}
}
// string(char const*, storage_ptr)
{
fail_loop([&](storage_ptr const& sp)
{
string s(t.s1.c_str(), sp);
BOOST_TEST(s == t.v1);
});
fail_loop([&](storage_ptr const& sp)
{
string s(t.s2.c_str(), sp);
BOOST_TEST(s == t.v2);
});
{
string s(t.s1.c_str());
BOOST_TEST(s == t.v1);
}
{
string s(t.s2.c_str());
BOOST_TEST(s == t.v2);
}
}
// string(char const*, size_type, storage_ptr)
{
fail_loop([&](storage_ptr const& sp)
{
string s(t.s1.c_str(), 3, sp);
BOOST_TEST(s == "abc");
});
fail_loop([&](storage_ptr const& sp)
{
string s(t.s2.c_str(), 3, sp);
BOOST_TEST(s == "ABC");
});
{
string s(t.s1.c_str(), 3);
BOOST_TEST(s == "abc");
}
{
string s(t.s2.c_str(), 3);
BOOST_TEST(s == "ABC");
}
}
// string(InputIt, InputIt, storage_ptr)
{
fail_loop([&](storage_ptr const& sp)
{
string s(t.v1.begin(), t.v1.end(), sp);
BOOST_TEST(s == t.v1);
});
fail_loop([&](storage_ptr const& sp)
{
string s(t.v2.begin(), t.v2.end(), sp);
BOOST_TEST(s == t.v2);
});
fail_loop([&](storage_ptr const& sp)
{
string s(
make_input_iterator(t.v1.begin()),
make_input_iterator(t.v1.end()), sp);
BOOST_TEST(s == t.v1);
});
fail_loop([&](storage_ptr const& sp)
{
string s(
make_input_iterator(t.v2.begin()),
make_input_iterator(t.v2.end()), sp);
BOOST_TEST(s == t.v2);
});
{
string s(t.v1.begin(), t.v1.end());
BOOST_TEST(s == t.v1);
}
{
string s(t.v2.begin(), t.v2.end());
BOOST_TEST(s == t.v2);
}
{
string s(
make_input_iterator(t.v1.begin()),
make_input_iterator(t.v1.end()));
BOOST_TEST(s == t.v1);
}
{
string s(
make_input_iterator(t.v2.begin()),
make_input_iterator(t.v2.end()));
BOOST_TEST(s == t.v2);
}
}
// string(string)
{
{
string const s0(t.v1);
string s(s0);
BOOST_TEST(s == t.v1);
}
{
string const s0(t.v2);
string s(s0);
BOOST_TEST(s == t.v2);
}
}
// string(string, storage_ptr)
{
fail_loop([&](storage_ptr const& sp)
{
string const s0(t.v1);
string s(s0, sp);
BOOST_TEST(s == t.v1);
});
fail_loop([&](storage_ptr const& sp)
{
string const s0(t.v2);
string s(s0, sp);
BOOST_TEST(s == t.v2);
});
}
// string(pilfered<string>)
{
{
string s1(t.v1);
string s2(pilfer(s1));
BOOST_TEST(s2 == t.v1);
BOOST_TEST(s1.empty());
BOOST_TEST(
s1.storage() == storage_ptr());
}
{
string s1(t.v2);
string s2(pilfer(s1));
BOOST_TEST(s2 == t.v2);
BOOST_TEST(s1.empty());
BOOST_TEST(
s1.storage() == storage_ptr());
}
// ensure pilfered-from objects
// are trivially destructible
{
string s1(make_shared_resource<
monotonic_resource>());
string s2(pilfer(s1));
BOOST_TEST(s1.storage().get() ==
storage_ptr().get());
}
}
// string(string&&)
{
{
string s1(t.v1);
string s2(std::move(s1));
BOOST_TEST(s2 == t.v1);
BOOST_TEST(s1.empty());
BOOST_TEST(
*s1.storage() ==
*s2.storage());
}
{
string s1(t.v2);
string s2(std::move(s1));
BOOST_TEST(s2 == t.v2);
BOOST_TEST(s1.empty());
BOOST_TEST(
*s1.storage() ==
*s2.storage());
}
}
// string(string&&, storage_ptr)
{
// same storage
fail_loop([&](storage_ptr const& sp)
{
string s1(t.v1, sp);
string s2(std::move(s1), sp);
BOOST_TEST(s2 == t.v1);
BOOST_TEST(s1.empty());
BOOST_TEST(
*s1.storage() ==
*s2.storage());
});
fail_loop([&](storage_ptr const& sp)
{
string s1(t.v2, sp);
string s2(std::move(s1));
BOOST_TEST(s2 == t.v2);
BOOST_TEST(s1.empty());
BOOST_TEST(
*s1.storage() ==
*s2.storage());
});
// different storage
fail_loop([&](storage_ptr const& sp)
{
string s1(t.v1);
string s2(std::move(s1), sp);
BOOST_TEST(s2 == t.v1);
BOOST_TEST(s1 == t.v1);
BOOST_TEST(
*s1.storage() !=
*s2.storage());
});
fail_loop([&](storage_ptr const& sp)
{
string s1(t.v2);
string s2(std::move(s1), sp);
BOOST_TEST(s2 == t.v2);
BOOST_TEST(s1 == t.v2);
BOOST_TEST(
*s1.storage() !=
*s2.storage());
});
}
// string(string_view, storage_ptr)
{
fail_loop([&](storage_ptr const& sp)
{
string s(t.v1, sp);
BOOST_TEST(s == t.v1);
});
fail_loop([&](storage_ptr const& sp)
{
string s(t.v2, sp);
BOOST_TEST(s == t.v2);
});
{
string s(t.v1);
BOOST_TEST(s == t.v1);
}
{
string s(t.v2);
BOOST_TEST(s == t.v2);
}
}
}
void
testAssignment()
{
test_vectors const t;
// operator=(string)
{
fail_loop([&](storage_ptr const& sp)
{
std::string c(t.v1.size(), '*');
string s(c, sp);
string const s2(t.v1);
s = s2;
BOOST_TEST(s == t.v1);
});
fail_loop([&](storage_ptr const& sp)
{
std::string c(t.v2.size(), '*');
string s(c, sp);
string const s2(t.v1);
s = s2;
BOOST_TEST(s == t.v1);
});
fail_loop([&](storage_ptr const& sp)
{
std::string c(t.v1.size(), '*');
string s(c, sp);
string const s2(t.v2);
s = s2;
BOOST_TEST(s == t.v2);
});
fail_loop([&](storage_ptr const& sp)
{
std::string c(t.v2.size(), '*');
string s(c, sp);
string const s2(t.v2);
s = s2;
BOOST_TEST(s == t.v2);
});
}
// operator=(string&&)
{
// same storage
fail_loop([&](storage_ptr const& sp)
{
std::string c(t.v1.size(), '*');
string s(c, sp);
string s2(t.v1, sp);
s = std::move(s2);
BOOST_TEST(s == t.v1);
BOOST_TEST(s2.empty());
BOOST_TEST(
*s.storage() ==
*s2.storage());
});
fail_loop([&](storage_ptr const& sp)
{
std::string c(t.v2.size(), '*');
string s(c, sp);
string s2(t.v1, sp);
s = std::move(s2);
BOOST_TEST(s == t.v1);
BOOST_TEST(s2.empty());
BOOST_TEST(
*s.storage() ==
*s2.storage());
});
fail_loop([&](storage_ptr const& sp)
{
std::string c(t.v1.size(), '*');
string s(c, sp);
string s2(t.v2, sp);
s = std::move(s2);
BOOST_TEST(s == t.v2);
BOOST_TEST(s2.empty());
BOOST_TEST(
*s.storage() ==
*s2.storage());
});
fail_loop([&](storage_ptr const& sp)
{
std::string c(t.v2.size(), '*');
string s(c, sp);
string s2(t.v2, sp);
s = std::move(s2);
BOOST_TEST(s == t.v2);
BOOST_TEST(s2.empty());
BOOST_TEST(
*s.storage() ==
*s2.storage());
});
// different storage
fail_loop([&](storage_ptr const& sp)
{
std::string c(t.v1.size(), '*');
string s(c, sp);
string s2(t.v1);
s = std::move(s2);
BOOST_TEST(s == t.v1);
BOOST_TEST(s2 == t.v1);
BOOST_TEST(
*s.storage() !=
*s2.storage());
});
fail_loop([&](storage_ptr const& sp)
{
std::string c(t.v2.size(), '*');
string s(c, sp);
string s2(t.v1);
s = std::move(s2);
BOOST_TEST(s == t.v1);
BOOST_TEST(s2 == t.v1);
BOOST_TEST(
*s.storage() !=
*s2.storage());
});
fail_loop([&](storage_ptr const& sp)
{
std::string c(t.v1.size(), '*');
string s(c, sp);
string s2(t.v2);
s = std::move(s2);
BOOST_TEST(s == t.v2);
BOOST_TEST(s2 == t.v2);
BOOST_TEST(
*s.storage() !=
*s2.storage());
});
fail_loop([&](storage_ptr const& sp)
{
std::string c(t.v2.size(), '*');
string s(c, sp);
string s2(t.v2);
s = std::move(s2);
BOOST_TEST(s == t.v2);
BOOST_TEST(s2 == t.v2);
BOOST_TEST(
*s.storage() !=
*s2.storage());
});
// self
fail_loop([&](storage_ptr const& sp)
{
string s1(t.v1, sp);
string& s2 = s1;
s1 = std::move(s2);
BOOST_TEST(s1 == t.v1);
});
}
// operator=(char const*)
{
fail_loop([&](storage_ptr const& sp)
{
string s(t.v1.size(), '*', sp);
s = t.s1.c_str();
BOOST_TEST(s == t.v1);
});
fail_loop([&](storage_ptr const& sp)
{
string s(t.v2.size(), '*', sp);
s = t.s1.c_str();
BOOST_TEST(s == t.v1);
});
fail_loop([&](storage_ptr const& sp)
{
string s(t.v1.size(), '*', sp);
s = t.s2.c_str();
BOOST_TEST(s == t.v2);
});
fail_loop([&](storage_ptr const& sp)
{
string s(t.v2.size(), '*', sp);
s = t.s2.c_str();
BOOST_TEST(s == t.v2);
});
}
// operator=(string_view)
{
fail_loop([&](storage_ptr const& sp)
{
string s(t.v1.size(), '*', sp);
s = t.v1;
BOOST_TEST(s == t.v1);
});
fail_loop([&](storage_ptr const& sp)
{
string s(t.v2.size(), '*', sp);
s = t.v1;
BOOST_TEST(s == t.v1);
});
fail_loop([&](storage_ptr const& sp)
{
string s(t.v1.size(), '*', sp);
s = t.v2;
BOOST_TEST(s == t.v2);
});
fail_loop([&](storage_ptr const& sp)
{
string s(t.v2.size(), '*', sp);
s = t.v2;
BOOST_TEST(s == t.v2);
});
}
}
void
testAssign()
{
test_vectors const t;
// assign(size_type, char)
{
fail_loop([&](storage_ptr const& sp)
{
string s(t.v1.size(), 'x', sp);
s.assign(t.v1.size(), '*');
BOOST_TEST(
s == std::string(t.v1.size(), '*'));
});
fail_loop([&](storage_ptr const& sp)
{
string s(t.v2.size(), 'x', sp);
s.assign(t.v1.size(), '*');
BOOST_TEST(
s == std::string(t.v1.size(), '*'));
});
fail_loop([&](storage_ptr const& sp)
{
string s(t.v1.size(), 'x', sp);
s.assign(t.v2.size(), '*');
BOOST_TEST(
s == std::string(t.v2.size(), '*'));
});
fail_loop([&](storage_ptr const& sp)
{
string s(t.v2.size(), 'x', sp);
s.assign(t.v2.size(), '*');
BOOST_TEST(
s == std::string(t.v2.size(), '*'));
});
}
// assign(string)
{
fail_loop([&](storage_ptr const& sp)
{
string s(t.v1.size(), 'x', sp);
s.assign(string(t.v1.size(), '*'));
BOOST_TEST(
s == std::string(t.v1.size(), '*'));
});
fail_loop([&](storage_ptr const& sp)
{
string s(t.v2.size(), 'x', sp);
s.assign(string(t.v1.size(), '*'));
BOOST_TEST(
s == std::string(t.v1.size(), '*'));
});
fail_loop([&](storage_ptr const& sp)
{
string s(t.v1.size(), 'x', sp);
s.assign(string(t.v2.size(), '*'));
BOOST_TEST(
s == std::string(t.v2.size(), '*'));
});
fail_loop([&](storage_ptr const& sp)
{
string s(t.v2.size(), 'x', sp);
s.assign(string(t.v2.size(), '*'));
BOOST_TEST(
s == std::string(t.v2.size(), '*'));
});
// self-assign
{
string s(t.v1);
s = static_cast<string const&>(s);
BOOST_TEST(s == t.v1);
}
}
// assign(string&&)
{
// same storage
fail_loop([&](storage_ptr const& sp)
{
std::string c(t.v1.size(), '*');
string s(c, sp);
string s2(t.v1, sp);
s.assign(std::move(s2));
BOOST_TEST(s == t.v1);
BOOST_TEST(s2.empty());
BOOST_TEST(
*s.storage() ==
*s2.storage());
});
fail_loop([&](storage_ptr const& sp)
{
std::string c(t.v2.size(), '*');
string s(c, sp);
string s2(t.v1, sp);
s.assign(std::move(s2));
BOOST_TEST(s == t.v1);
BOOST_TEST(s2.empty());
BOOST_TEST(
*s.storage() ==
*s2.storage());
});
fail_loop([&](storage_ptr const& sp)
{
std::string c(t.v1.size(), '*');
string s(c, sp);
string s2(t.v2, sp);
s.assign(std::move(s2));
BOOST_TEST(s == t.v2);
BOOST_TEST(s2.empty());
BOOST_TEST(
*s.storage() ==
*s2.storage());
});
fail_loop([&](storage_ptr const& sp)
{
std::string c(t.v2.size(), '*');
string s(c, sp);
string s2(t.v2, sp);
s.assign(std::move(s2));
BOOST_TEST(s == t.v2);
BOOST_TEST(s2.empty());
BOOST_TEST(
*s.storage() ==
*s2.storage());
});
// different storage
fail_loop([&](storage_ptr const& sp)
{
std::string c(t.v1.size(), '*');
string s(c, sp);
string s2(t.v1);
s.assign(std::move(s2));
BOOST_TEST(s == t.v1);
BOOST_TEST(s2 == t.v1);
BOOST_TEST(
*s.storage() !=
*s2.storage());
});
fail_loop([&](storage_ptr const& sp)
{
std::string c(t.v2.size(), '*');
string s(c, sp);
string s2(t.v1);
s.assign(std::move(s2));
BOOST_TEST(s == t.v1);
BOOST_TEST(s2 == t.v1);
BOOST_TEST(
*s.storage() !=
*s2.storage());
});
fail_loop([&](storage_ptr const& sp)
{
std::string c(t.v1.size(), '*');
string s(c, sp);
string s2(t.v2);
s.assign(std::move(s2));
BOOST_TEST(s == t.v2);
BOOST_TEST(s2 == t.v2);
BOOST_TEST(
*s.storage() !=
*s2.storage());
});
fail_loop([&](storage_ptr const& sp)
{
std::string c(t.v2.size(), '*');
string s(c, sp);
string s2(t.v2);
s.assign(std::move(s2));
BOOST_TEST(s == t.v2);
BOOST_TEST(s2 == t.v2);
BOOST_TEST(
*s.storage() !=
*s2.storage());
});
}
// assign(char const*, size_type)
{
fail_loop([&](storage_ptr const& sp)
{
string s(t.v1.size(), '*', sp);
s.assign(t.s1.c_str(), 3);
BOOST_TEST(s == "abc");
});
fail_loop([&](storage_ptr const& sp)
{
string s(t.v2.size(), '*', sp);
s.assign(t.s1.c_str(), 3);
BOOST_TEST(s == "abc");
});
fail_loop([&](storage_ptr const& sp)
{
string s(t.v1.size(), '*', sp);
s.assign(t.s2.c_str(), 3);
BOOST_TEST(s == "ABC");
});
fail_loop([&](storage_ptr const& sp)
{
string s(t.v2.size(), '*', sp);
s.assign(t.s2.c_str(), 3);
BOOST_TEST(s == "ABC");
});
// non-SBO: assign from a substring of itself
fail_loop([&](storage_ptr const& sp)
{
string s("abcdefghijklmnopqrstuvwxyz0123456789", sp);
string_view sub(s.data() + 3, s.size() - 3);
std::string expected(sub.data(), sub.size());
s.assign(sub);
BOOST_TEST(s == expected);
});
}
// assign(char const* s)
{
fail_loop([&](storage_ptr const& sp)
{
string s(t.v1.size(), '*', sp);
s.assign(t.s1.c_str());
BOOST_TEST(s == t.v1);
});
fail_loop([&](storage_ptr const& sp)
{
string s(t.v2.size(), '*', sp);
s.assign(t.s1.c_str());
BOOST_TEST(s == t.v1);
});
fail_loop([&](storage_ptr const& sp)
{
string s(t.v1.size(), '*', sp);
s.assign(t.s2.c_str());
BOOST_TEST(s == t.v2);
});
fail_loop([&](storage_ptr const& sp)
{
string s(t.v2.size(), '*', sp);
s.assign(t.s2.c_str());
BOOST_TEST(s == t.v2);
});
}
// assign(InputIt, InputIt)
{
fail_loop([&](storage_ptr const& sp)
{
string s(t.v1.size(), '*', sp);
s.assign(t.s1.begin(), t.s1.end());
BOOST_TEST(s == t.v1);
});
fail_loop([&](storage_ptr const& sp)
{
string s(t.v2.size(), '*', sp);
s.assign(t.s1.begin(), t.s1.end());
BOOST_TEST(s == t.v1);
});
fail_loop([&](storage_ptr const& sp)
{
string s(t.v1.size(), '*', sp);
s.assign(
make_input_iterator(t.s1.begin()),
make_input_iterator(t.s1.end()));
BOOST_TEST(s == t.v1);
});
fail_loop([&](storage_ptr const& sp)
{
string s(t.v2.size(), '*', sp);
s.assign(
make_input_iterator(t.s1.begin()),
make_input_iterator(t.s1.end()));
BOOST_TEST(s == t.v1);
});
fail_loop([&](storage_ptr const& sp)
{
string s(t.v1.size(), '*', sp);
s.assign(t.s2.begin(), t.s2.end());
BOOST_TEST(s == t.v2);
});
fail_loop([&](storage_ptr const& sp)
{
string s(t.v2.size(), '*', sp);
s.assign(t.s2.begin(), t.s2.end());
BOOST_TEST(s == t.v2);
});
fail_loop([&](storage_ptr const& sp)
{
string s(t.v1.size(), '*', sp);
s.assign(
make_input_iterator(t.s2.begin()),
make_input_iterator(t.s2.end()));
BOOST_TEST(s == t.v2);
});
fail_loop([&](storage_ptr const& sp)
{
string s(t.v2.size(), '*', sp);
s.assign(
make_input_iterator(t.s2.begin()),
make_input_iterator(t.s2.end()));
BOOST_TEST(s == t.v2);
});
// empty range
{
string s(t.v1);
s.assign(t.s1.begin(), t.s1.begin());
BOOST_TEST(s.empty());
}
// empty range
{
string s(t.v1);
s.assign(
make_input_iterator(t.s1.begin()),
make_input_iterator(t.s1.begin()));
BOOST_TEST(s.empty());
}
}
// assign(string_view)
{
fail_loop([&](storage_ptr const& sp)
{
string s(t.v1.size(), '*', sp);
s.assign(t.v1);
BOOST_TEST(s == t.v1);
});
fail_loop([&](storage_ptr const& sp)
{
string s(t.v2.size(), '*', sp);
s.assign(t.v1);
BOOST_TEST(s == t.v1);
});
fail_loop([&](storage_ptr const& sp)
{
string s(t.v1.size(), '*', sp);
s.assign(t.v2);
BOOST_TEST(s == t.v2);
});
fail_loop([&](storage_ptr const& sp)
{
string s(t.v2.size(), '*', sp);
s.assign(t.v2);
BOOST_TEST(s == t.v2);
});
}
}
void
testConversion()