early-access version 3088

externals/vcpkg/buildtrees/boost-detail/src/ost-1.79.0-52a6f38d61.clean/test/Jamfile

@@ -0,0 +1,33 @@
+################################################################*# Jam #*#######
+#   Copyright (C) 2010 Bryce Lelbach
+#
+#   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)
+################################################################################
+
+build-project container_fwd ;
+
+project detail/test
+  : requirements
+    <toolset>clang:<cxxflags>-Wno-unused
+    <toolset>clang:<cxxflags>-Wno-tautological-compare
+    <toolset>clang:<cxxflags>-ftemplate-depth-300
+    <toolset>gcc:<cxxflags>-ftemplate-depth-300
+    <toolset>gcc:<define>_STLP_DEBUG
+    # Do not enable libstdc++ debug mode because of gcc 10.1 bug https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95289
+    # <toolset>gcc:<define>_GLIBCXX_DEBUG
+    <toolset>darwin:<cxxflags>-ftemplate-depth-300
+  ;
+
+# import rules for testing conditional on config file variables
+import ../../config/checks/config : requires ;
+
+run binary_search_test.cpp ;
+run blank_test.cpp ;
+run is_sorted_test.cpp ;
+run numeric_traits_test.cpp ;
+run is_xxx_test.cpp ;
+# run test_utf8_codecvt.cpp : : : [ requires std_wstreambuf ] ;
+run test_utf8_codecvt.cpp ;
+run allocator_utilities_test.cpp ;
+run reference_content_test.cpp ;

externals/vcpkg/buildtrees/boost-detail/src/ost-1.79.0-52a6f38d61.clean/test/allocator_utilities_test.cpp

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+
+// Copyright 2018 Daniel James.
+// 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)
+
+#include <boost/detail/allocator_utilities.hpp>
+#include <boost/static_assert.hpp>
+#include <boost/core/allocator_access.hpp>
+#include <boost/core/lightweight_test.hpp>
+#include <boost/type_traits/is_same.hpp>
+#include <memory>
+
+typedef std::allocator<int> std_int_allocator;
+typedef boost::detail::allocator::rebind_to<std_int_allocator, char>::type char_allocator;
+typedef boost::detail::allocator::rebind_to<char_allocator, int>::type int_allocator;
+typedef boost::detail::allocator::rebind_to<int_allocator, char>::type char_allocator2;
+
+int main()
+{
+    BOOST_STATIC_ASSERT((!boost::is_same<char_allocator, int_allocator>::value));
+    BOOST_STATIC_ASSERT((boost::is_same<char_allocator, char_allocator2>::value));
+
+    // Check the constructors works okay
+    std_int_allocator a1;
+    char_allocator a2(a1);
+    char_allocator a2a(a2);
+    int_allocator a3(a2);
+
+    // Check allocate works okay
+    {
+        boost::allocator_pointer<char_allocator>::type p = a2.allocate(10);
+        BOOST_TEST(!!p);
+        a2.deallocate(p, 10);
+    }
+
+    // Try using the standalone construct/destroy
+    {
+        boost::allocator_pointer<int_allocator>::type p2 = a3.allocate(1);
+        boost::detail::allocator::construct(p2, 25);
+        BOOST_TEST(*p2 == 25);
+        boost::detail::allocator::destroy(p2);
+        a3.deallocate(p2, 1);
+    }
+
+    return boost::report_errors();
+}

externals/vcpkg/buildtrees/boost-detail/src/ost-1.79.0-52a6f38d61.clean/test/binary_search_test.cpp

@@ -0,0 +1,264 @@
+// (C) Copyright David Abrahams 2000.
+// 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)
+
+#include <boost/detail/binary_search.hpp>
+#include <vector>
+#include <string>
+#include <memory>
+#include <climits>
+#include <iostream>
+#include <cstddef>
+#include <stdlib.h> // for rand(). Would use cstdlib but VC6.4 doesn't put it in std::
+#include <list>
+#include <utility>
+#include <algorithm>
+#include <boost/detail/workaround.hpp>
+#include <boost/core/lightweight_test.hpp>
+
+#if defined(__SGI_STL_PORT) ? defined(__SGI_STL_OWN_IOSTREAMS) : (!defined(__GNUC__) || __GNUC__ > 2)
+# define USE_SSTREAM
+#endif
+
+#ifdef USE_SSTREAM
+# include <sstream>
+#else
+# include <strstream>
+#endif
+
+namespace {
+
+// In order to get ADL to find the comparison operators defined below, they have
+struct mystring : std::string
+{
+    typedef std::string base;
+
+    mystring(std::string const& x)
+        : base(x) {}
+};
+
+typedef std::vector<mystring> string_vector;
+
+const std::size_t sequence_length = 1000;
+
+unsigned random_number()
+{
+    return static_cast<unsigned>(::rand()) % sequence_length;
+}
+
+# ifndef USE_SSTREAM
+class unfreezer {
+ public:
+    unfreezer(std::ostrstream& s) : m_stream(s) {}
+    ~unfreezer() { m_stream.freeze(false); }
+ private:
+    std::ostrstream& m_stream;
+};
+# endif
+
+template <class T>
+void push_back_random_number_string(T& seq)
+{
+    unsigned value = random_number();
+# if defined(__SGI_STL_PORT) ? defined(__SGI_STL_OWN_IOSTREAMS) : (!defined(__GNUC__) || __GNUC__ > 2)
+    std::ostringstream s;
+    s << value;
+    seq.push_back(s.str());
+# else
+    std::ostrstream s;
+    auto unfreezer unfreeze(s);
+    s << value << char(0);
+    seq.push_back(std::string(s.str()));
+# endif
+}
+
+inline unsigned to_int(unsigned x) { return x; }
+inline unsigned to_int(const std::string& x) { return atoi(x.c_str()); }
+
+struct cmp
+{
+    template <class A1, class A2>
+    inline bool operator()(const A1& a1, const A2& a2) const
+    {
+        return to_int(a1) < to_int(a2);
+    }
+};
+
+inline bool operator<(const mystring& x, const unsigned y)
+{
+    return to_int(x) < y;
+}
+
+inline bool operator<(const unsigned y, const mystring& x)
+{
+    return y < to_int(x);
+}
+
+template <class T>
+void sort_by_value(T& x);
+
+template <class T>
+void sort_by_value_(T& v, long)
+{
+    std::sort(v.begin(), v.end(), cmp());
+}
+
+template <class T>
+void random_sorted_sequence(T& seq)
+{
+    seq.clear();
+    for (std::size_t i = 0; i < sequence_length; ++i)
+    {
+        push_back_random_number_string(seq);
+    }
+    sort_by_value(seq);
+}
+
+template <class T, class A>
+void sort_by_value_(std::list<T,A>& l, int)
+{
+# if BOOST_WORKAROUND(BOOST_DINKUMWARE_STDLIB, == 1) && !defined(__SGI_STL_PORT)
+// VC6's standard lib doesn't have a template member function for list::sort()
+    std::vector<T> seq;
+    seq.reserve(sequence_length);
+    std::copy(l.begin(), l.end(), std::back_inserter(seq));
+    sort_by_value(seq);
+    std::copy(seq.begin(), seq.end(), l.begin());
+# else
+    l.sort(cmp());
+# endif
+}
+
+template <class T>
+void sort_by_value(T& x)
+{
+    (sort_by_value_)(x, 1);
+}
+
+// A way to select the comparisons with/without a Compare parameter for testing.
+template <class Compare> struct searches
+{
+    template <class Iterator, class Key>
+    static Iterator lower_bound(Iterator start, Iterator finish, Key key, Compare cmp)
+        { return boost::detail::lower_bound(start, finish, key, cmp); }
+
+    template <class Iterator, class Key>
+    static Iterator upper_bound(Iterator start, Iterator finish, Key key, Compare cmp)
+        { return boost::detail::upper_bound(start, finish, key, cmp); }
+
+    template <class Iterator, class Key>
+    static std::pair<Iterator, Iterator> equal_range(Iterator start, Iterator finish, Key key, Compare cmp)
+        { return boost::detail::equal_range(start, finish, key, cmp); }
+
+    template <class Iterator, class Key>
+    static bool binary_search(Iterator start, Iterator finish, Key key, Compare cmp)
+        { return boost::detail::binary_search(start, finish, key, cmp); }
+};
+
+struct no_compare {};
+
+template <> struct searches<no_compare>
+{
+    template <class Iterator, class Key>
+    static Iterator lower_bound(Iterator start, Iterator finish, Key key, no_compare)
+        { return boost::detail::lower_bound(start, finish, key); }
+
+    template <class Iterator, class Key>
+    static Iterator upper_bound(Iterator start, Iterator finish, Key key, no_compare)
+        { return boost::detail::upper_bound(start, finish, key); }
+
+    template <class Iterator, class Key>
+    static std::pair<Iterator, Iterator> equal_range(Iterator start, Iterator finish, Key key, no_compare)
+        { return boost::detail::equal_range(start, finish, key); }
+
+    template <class Iterator, class Key>
+    static bool binary_search(Iterator start, Iterator finish, Key key, no_compare)
+        { return boost::detail::binary_search(start, finish, key); }
+};
+
+template <class Sequence, class Compare>
+void test_loop(Sequence& x, Compare cmp, unsigned long test_count)
+{
+    typedef typename Sequence::const_iterator const_iterator;
+
+    for (unsigned long i = 0; i < test_count; ++i)
+    {
+        random_sorted_sequence(x);
+        const const_iterator start = x.begin();
+        const const_iterator finish = x.end();
+
+        unsigned key = random_number();
+        const const_iterator l = searches<Compare>::lower_bound(start, finish, key, cmp);
+        const const_iterator u = searches<Compare>::upper_bound(start, finish, key, cmp);
+
+        bool found_l = false;
+        bool found_u = false;
+        std::size_t index = 0;
+        std::size_t count = 0;
+        unsigned last_value = 0;
+        (void)last_value;
+        for (const_iterator p = start; p != finish; ++p)
+        {
+            if (p == l)
+                found_l = true;
+
+            if (p == u)
+            {
+                BOOST_TEST(found_l);
+                found_u = true;
+            }
+
+            unsigned value = to_int(*p);
+            BOOST_TEST(value >= last_value);
+            last_value = value;
+
+            if (!found_l)
+            {
+                ++index;
+                BOOST_TEST(to_int(*p) < key);
+            }
+            else if (!found_u)
+            {
+                ++count;
+                BOOST_TEST(to_int(*p) == key);
+            }
+            else
+            {
+                BOOST_TEST(to_int(*p) > key);
+            }
+        }
+        BOOST_TEST(found_l || l == finish);
+        BOOST_TEST(found_u || u == finish);
+
+        std::pair<const_iterator, const_iterator>
+            range = searches<Compare>::equal_range(start, finish, key, cmp);
+        BOOST_TEST(range.first == l);
+        BOOST_TEST(range.second == u);
+
+        bool found = searches<Compare>::binary_search(start, finish, key, cmp);
+        (void)found;
+        BOOST_TEST(found == (u != l));
+        std::cout << "found " << count << " copies of " << key << " at index " << index << "\n";
+    }
+}
+
+}
+
+int main()
+{
+    string_vector x;
+    std::cout << "=== testing random-access iterators with <: ===\n";
+    test_loop(x, no_compare(), 25);
+    std::cout << "=== testing random-access iterators with compare: ===\n";
+    test_loop(x, cmp(), 25);
+
+    std::list<mystring> y;
+    std::cout << "=== testing bidirectional iterators with <: ===\n";
+    test_loop(y, no_compare(), 25);
+    std::cout << "=== testing bidirectional iterators with compare: ===\n";
+    test_loop(y, cmp(), 25);
+    std::cerr << "******TEST PASSED******\n";
+
+    return boost::report_errors();
+}

externals/vcpkg/buildtrees/boost-detail/src/ost-1.79.0-52a6f38d61.clean/test/blank_test.cpp

@@ -0,0 +1,37 @@
+
+// Copyright 2018 Daniel James.
+// 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)
+
+#include <boost/blank.hpp>
+#include <boost/static_assert.hpp>
+#include <boost/core/lightweight_test.hpp>
+#include <boost/type_traits/is_pod.hpp>
+#include <boost/type_traits/is_empty.hpp>
+#include <boost/type_traits/is_stateless.hpp>
+#if !defined(BOOST_NO_IOSTREAM)
+#include <sstream>
+#endif
+
+int main()
+{
+    BOOST_STATIC_ASSERT((boost::is_pod<boost::blank>::value));
+    BOOST_STATIC_ASSERT((boost::is_empty<boost::blank>::value));
+    BOOST_STATIC_ASSERT((boost::is_stateless<boost::blank>::value));
+
+    boost::blank b1,b2;
+    BOOST_TEST(b1 == b2);
+    BOOST_TEST(b1 <= b2);
+    BOOST_TEST(b1 >= b2);
+    BOOST_TEST(!(b1 != b2));
+    BOOST_TEST(!(b1 < b2));
+    BOOST_TEST(!(b1 > b2));
+
+#if !defined(BOOST_NO_IOSTREAM)
+    std::stringstream s;
+    s << "(" << b1 << ")";
+    BOOST_TEST(s.str() == "()");
+#endif
+
+    return boost::report_errors();
+}

externals/vcpkg/buildtrees/boost-detail/src/ost-1.79.0-52a6f38d61.clean/test/container_fwd/Jamfile

@@ -0,0 +1,39 @@
+
+# Copyright 2011 Daniel James.
+# 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)
+
+import testing ;
+
+project detail/test/container_fwd
+  : requirements
+        <warnings>all
+        <toolset>intel:<warnings>on
+        <toolset>gcc:<cxxflags>"-pedantic -Wstrict-aliasing -fstrict-aliasing -Wextra -Wsign-promo -Wunused-parameter -Wconversion"
+        <toolset>darwin:<cxxflags>"-pedantic -Wstrict-aliasing -fstrict-aliasing -Wextra -Wsign-promo -Wunused-parameter -Wconversion"
+        <toolset>clang:<cxxflags>"-pedantic -Wextra -Wmismatched-tags"
+        <warnings-as-errors>on
+  ;
+
+run container_no_fwd_test.cpp ;
+run container_fwd_test.cpp : : : : container_fwd ;
+run container_fwd_test.cpp : :
+    : <define>_STLP_DEBUG <define>_GLIBCXX_DEBUG
+    : container_fwd_debug ;
+
+# The 'correctly_disable' tests fail if forward declaring standard types
+# could work, but is currently not being done. Unfortunately, this if often
+# the case - but we can't detect it, so the tests fail and there's not much
+# we can do. There are also problems because some compilers don't support
+# the debug version of their libraries. So I felt it was best to stop these
+# tests from running in a normal test run..
+
+compile-fail correctly_disable_fail.cpp
+    : <warnings-as-errors>off
+    : correctly_disable ;
+compile-fail correctly_disable_fail.cpp
+    : <warnings-as-errors>off <define>_STLP_DEBUG <define>_GLIBCXX_DEBUG
+    : correctly_disable_debug ;
+
+explicit correctly_disable ;
+explicit correctly_disable_debug ;

externals/vcpkg/buildtrees/boost-detail/src/ost-1.79.0-52a6f38d61.clean/test/container_fwd/container_fwd_test.cpp

@@ -0,0 +1,112 @@
+
+// Copyright 2005-2009 Daniel James.
+// 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)
+
+#include <boost/detail/container_fwd.hpp>
+
+#if BOOST_WORKAROUND(__GNUC__, < 3) && \
+    !defined(__SGI_STL_PORT) && !defined(_STLPORT_VERSION)
+template <class charT, class Allocator>
+static void test(
+    std::basic_string<charT, std::string_char_traits<charT>, Allocator> const&)
+{
+}
+#else
+template <class charT, class Allocator>
+static void test(
+    std::basic_string<charT, std::char_traits<charT>, Allocator> const&)
+{
+}
+#endif
+    
+template <class T, class Allocator>
+static void test(std::deque<T, Allocator> const&)
+{
+}
+
+template <class T, class Allocator>
+static void test(std::list<T, Allocator> const&)
+{
+}
+
+template <class T, class Allocator>
+static void test(std::vector<T, Allocator> const&)
+{
+}
+
+template <class Key, class T, class Compare, class Allocator>
+static void test(std::map<Key, T, Compare, Allocator> const&)
+{
+}
+
+template <class Key, class T, class Compare, class Allocator>
+static void test(std::multimap<Key, T, Compare, Allocator> const&)
+{
+}
+
+template <class Key, class Compare, class Allocator>
+static void test(std::set<Key, Compare, Allocator> const&)
+{
+}
+
+template <class Key, class Compare, class Allocator>
+static void test(std::multiset<Key, Compare, Allocator> const&)
+{
+}
+
+template <std::size_t N>
+static void test(std::bitset<N> const&)
+{
+}
+
+template <class T>
+static void test(std::complex<T> const&)
+{
+}
+
+template <class X, class Y>
+static void test(std::pair<X, Y> const&)
+{
+}
+
+#include <deque>
+#include <list>
+#include <vector>
+#include <map>
+#include <set>
+#include <bitset>
+#include <string>
+#include <complex>
+#include <utility>
+
+int main()
+{
+    std::deque<int> x1;
+    std::list<std::string> x2;
+    std::vector<float> x3;
+    std::vector<bool> x4;
+    std::map<int, int> x5;
+    std::multimap<float, int*> x6;
+    std::set<std::string> x7;
+    std::multiset<std::vector<int> > x8;
+    std::bitset<10> x9;
+    std::string x10;
+    std::complex<double> x11;
+    std::pair<std::list<int>, char***> x12;
+
+    test(x1);
+    test(x2);
+    test(x3);
+    test(x4);
+    test(x5);
+    test(x6);
+    test(x7);
+    test(x8);
+    test(x9);
+    test(x10);
+    test(x11);
+    test(x12);
+
+    return 0;
+}

externals/vcpkg/buildtrees/boost-detail/src/ost-1.79.0-52a6f38d61.clean/test/container_fwd/container_no_fwd_test.cpp

@@ -0,0 +1,14 @@
+
+// Copyright 2010 Daniel James.
+// 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)
+
+#define BOOST_DETAIL_NO_CONTAINER_FWD
+
+#include <boost/detail/container_fwd.hpp>
+
+int main()
+{
+    std::set<int> x;
+    std::vector<std::string> y;
+}

externals/vcpkg/buildtrees/boost-detail/src/ost-1.79.0-52a6f38d61.clean/test/container_fwd/correctly_disable_fail.cpp

@@ -0,0 +1,43 @@
+
+// Copyright 2011 Daniel James.
+// 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)
+
+// This tests if container forwarding is correctly disabled. If it isn't
+// disabled it causes a compile error (which causes the test to pass).
+// If it is disabled it tries container forwarding. If it doesn't work
+// then there will be a compile error, indicating that it is correctly
+// disabled. But if there isn't a compile error that indicates that
+// container forwarding might work.
+//
+// Since this test only tries std::vector, it might get it wrong but I didn't
+// want it to fail because of some incompatibility with a trickier class.
+
+#define BOOST_DETAIL_TEST_CONFIG_ONLY
+#include <boost/detail/container_fwd.hpp>
+
+#if !defined(BOOST_DETAIL_NO_CONTAINER_FWD)
+#error "Failing in order to pass test"
+#else
+#define BOOST_DETAIL_TEST_FORCE_CONTAINER_FWD
+
+#undef BOOST_DETAIL_CONTAINER_FWD_HPP
+#undef BOOST_DETAIL_TEST_CONFIG_ONLY
+
+#include <boost/detail/container_fwd.hpp>
+
+template <class T, class Allocator>
+void test(std::vector<T, Allocator> const&)
+{
+}
+
+#include <vector>
+
+int main ()
+{
+    std::vector<int> x;
+    test(x);
+}
+
+#endif
+

externals/vcpkg/buildtrees/boost-detail/src/ost-1.79.0-52a6f38d61.clean/test/is_sorted_test.cpp

@@ -0,0 +1,137 @@
+/*==============================================================================
+    Copyright (c) 2010-2011 Bryce Lelbach
+
+    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)
+==============================================================================*/
+
+#include <boost/detail/is_sorted.hpp>
+#include <iostream>
+#include <boost/config.hpp>
+#include <boost/array.hpp>
+#include <boost/core/lightweight_test.hpp>
+
+template<class T>
+struct tracking_less {
+  typedef bool result_type;
+  typedef T first_argument_type;
+  typedef T second_argument_type;
+
+  #if defined(__PATHSCALE__)
+  tracking_less (void) { }
+  ~tracking_less (void) { }
+  #endif
+
+  bool operator() (T const& x, T const& y) const {
+    std::cout << x << " < " << y << " == " << (x < y) << "\n"; 
+    return x < y;
+  }
+};
+
+template<class T>
+struct tracking_less_equal {
+  typedef bool result_type;
+  typedef T first_argument_type;
+  typedef T second_argument_type;
+
+  #if defined(__PATHSCALE__)
+  tracking_less_equal (void) { }
+  ~tracking_less_equal (void) { }
+  #endif
+
+  bool operator() (T const& x, T const& y) const {
+    std::cout << x << " <= " << y << " == " << (x <= y) << "\n"; 
+    return x <= y;
+  }
+};
+
+template<class T>
+struct tracking_greater {
+  typedef bool result_type;
+  typedef T first_argument_type;
+  typedef T second_argument_type;
+
+  #if defined(__PATHSCALE__)
+  tracking_greater (void) { }
+  ~tracking_greater (void) { }
+  #endif
+
+  bool operator() (T const& x, T const& y) const {
+    std::cout << x << " > " << y << " == " << (x > y) << "\n"; 
+    return x > y;
+  }
+};
+
+template<class T>
+struct tracking_greater_equal {
+  typedef bool result_type;
+  typedef T first_argument_type;
+  typedef T second_argument_type;
+
+  #if defined(__PATHSCALE__)
+  tracking_greater_equal (void) { }
+  ~tracking_greater_equal (void) { }
+  #endif
+
+  bool operator() (T const& x, T const& y) const {
+    std::cout << x << " >= " << y << " == " << (x >= y) << "\n"; 
+    return x >= y;
+  }
+};
+
+
+int main (void) {
+  #define IS_SORTED ::boost::detail::is_sorted
+  #define IS_SORTED_UNTIL ::boost::detail::is_sorted_until
+  using boost::array;
+  using boost::report_errors;
+
+  std::cout << std::boolalpha;
+
+  array<int, 10> a = { { 0, 1, 2,  3,  4, 5, 6,  7,  8,   9  } };
+  array<int, 10> b = { { 0, 1, 1,  2,  5, 8, 13, 34, 55,  89 } };
+  array<int, 10> c = { { 0, 1, -1, 2, -3, 5, -8, 13, -21, 34 } };
+
+  tracking_less<int> lt;
+  tracking_less_equal<int> lte;
+  tracking_greater<int> gt;
+  tracking_greater_equal<int> gte;
+
+  BOOST_TEST_EQ(IS_SORTED_UNTIL(a.begin(), a.end()),          a.end());
+  BOOST_TEST_EQ(IS_SORTED_UNTIL(a.begin(), a.end(), lt),      a.end());
+  BOOST_TEST_EQ(IS_SORTED_UNTIL(a.begin(), a.end(), lte),     a.end());
+  BOOST_TEST_EQ(IS_SORTED_UNTIL(a.rbegin(), a.rend(), gt).base(),   a.rend().base());
+  BOOST_TEST_EQ(IS_SORTED_UNTIL(a.rbegin(), a.rend(), gte).base(),  a.rend().base());
+
+  BOOST_TEST_EQ(IS_SORTED(a.begin(), a.end()),        true);
+  BOOST_TEST_EQ(IS_SORTED(a.begin(), a.end(), lt),    true);
+  BOOST_TEST_EQ(IS_SORTED(a.begin(), a.end(), lte),   true);
+  BOOST_TEST_EQ(IS_SORTED(a.rbegin(), a.rend(), gt),  true);
+  BOOST_TEST_EQ(IS_SORTED(a.rbegin(), a.rend(), gte), true);
+
+  BOOST_TEST_EQ(IS_SORTED_UNTIL(b.begin(), b.end()),          b.end());
+  BOOST_TEST_EQ(IS_SORTED_UNTIL(b.begin(), b.end(), lt),      b.end());
+  BOOST_TEST_EQ(IS_SORTED_UNTIL(b.begin(), b.end(), lte),     &b[2]);
+  BOOST_TEST_EQ(IS_SORTED_UNTIL(b.rbegin(), b.rend(), gt).base(),   b.rend().base());
+  BOOST_TEST_EQ(IS_SORTED_UNTIL(b.rbegin(), b.rend(), gte).base(),  &b[2]);
+
+  BOOST_TEST_EQ(IS_SORTED(b.begin(), b.end()),        true);
+  BOOST_TEST_EQ(IS_SORTED(b.begin(), b.end(), lt),    true);
+  BOOST_TEST_EQ(IS_SORTED(b.begin(), b.end(), lte),   false);
+  BOOST_TEST_EQ(IS_SORTED(b.rbegin(), b.rend(), gt),  true);
+  BOOST_TEST_EQ(IS_SORTED(b.rbegin(), b.rend(), gte), false);
+
+  BOOST_TEST_EQ(IS_SORTED_UNTIL(c.begin(), c.end()),          &c[2]);
+  BOOST_TEST_EQ(IS_SORTED_UNTIL(c.begin(), c.end(), lt),      &c[2]);
+  BOOST_TEST_EQ(IS_SORTED_UNTIL(c.begin(), c.end(), lte),     &c[2]);
+  BOOST_TEST_EQ(IS_SORTED_UNTIL(c.rbegin(), c.rend(), gt).base(),   &c[8]);
+  BOOST_TEST_EQ(IS_SORTED_UNTIL(c.rbegin(), c.rend(), gte).base(),  &c[8]);
+
+  BOOST_TEST_EQ(IS_SORTED(c.begin(), c.end()),        false);
+  BOOST_TEST_EQ(IS_SORTED(c.begin(), c.end(), lt),    false);
+  BOOST_TEST_EQ(IS_SORTED(c.begin(), c.end(), lte),   false);
+  BOOST_TEST_EQ(IS_SORTED(c.rbegin(), c.rend(), gt),  false);
+  BOOST_TEST_EQ(IS_SORTED(c.rbegin(), c.rend(), gte), false);
+
+  return report_errors();
+}

externals/vcpkg/buildtrees/boost-detail/src/ost-1.79.0-52a6f38d61.clean/test/is_xxx_test.cpp

@@ -0,0 +1,23 @@
+
+// Copyright 2018 Daniel James.
+// 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)
+
+#include <boost/detail/is_xxx.hpp>
+#include <boost/static_assert.hpp>
+
+namespace is_xxx_test {
+    template <typename T> struct thing1 {};
+    template <typename T1, typename T2 = int> struct thing2 {};
+}
+
+BOOST_DETAIL_IS_XXX_DEF(thing1, is_xxx_test::thing1, 1);
+BOOST_DETAIL_IS_XXX_DEF(thing2, is_xxx_test::thing2, 2);
+
+BOOST_STATIC_ASSERT((is_thing1<is_xxx_test::thing1<int> >::value));
+BOOST_STATIC_ASSERT((!is_thing1<is_xxx_test::thing2<int> >::value));
+BOOST_STATIC_ASSERT((!is_thing2<is_xxx_test::thing1<int> >::value));
+BOOST_STATIC_ASSERT((is_thing2<is_xxx_test::thing2<int> >::value));
+BOOST_STATIC_ASSERT((is_thing2<is_xxx_test::thing2<int, float> >::value));
+
+int main() {}

externals/vcpkg/buildtrees/boost-detail/src/ost-1.79.0-52a6f38d61.clean/test/numeric_traits_test.cpp

@@ -0,0 +1,422 @@
+//  (C) Copyright David Abrahams 2001.
+// 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)
+
+//  See http://www.boost.org for most recent version including documentation.
+
+//  Revision History
+//  1  Apr 2001 Fixes for ICL; use BOOST_STATIC_CONSTANT
+//  11 Feb 2001 Fixes for Borland (David Abrahams)
+//  23 Jan 2001 Added test for wchar_t (David Abrahams)
+//  23 Jan 2001 Now statically selecting a test for signed numbers to avoid
+//              warnings with fancy compilers. Added commentary and
+//              additional dumping of traits data for tested types (David
+//              Abrahams).
+//  21 Jan 2001 Initial version (David Abrahams)
+
+#include <boost/detail/numeric_traits.hpp>
+#include <cassert>
+#include <boost/type_traits/conditional.hpp>
+#include <boost/type_traits/is_signed.hpp>
+#include <boost/type_traits/is_same.hpp>
+#include <boost/static_assert.hpp>
+#include <boost/cstdint.hpp>
+#include <climits>
+#include <typeinfo>
+#include <iostream>
+#include <sstream>
+#include <string>
+#ifndef BOOST_NO_LIMITS
+#include <limits>
+#endif
+
+// =================================================================================
+// template class complement_traits<Number> --
+//
+//    statically computes the max and min for 1s and 2s-complement binary
+//    numbers. This helps on platforms without <limits> support. It also shows
+//    an example of a recursive template that works with MSVC!
+//
+
+template <unsigned size> struct complement; // forward
+
+// The template complement, below, does all the real work, using "poor man's
+// partial specialization". We need complement_traits_aux<> so that MSVC doesn't
+// complain about undefined min/max as we're trying to recursively define them.
+template <class Number, unsigned size>
+struct complement_traits_aux
+{
+    BOOST_STATIC_CONSTANT(Number, max = complement<size>::template traits<Number>::max);
+    BOOST_STATIC_CONSTANT(Number, min = complement<size>::template traits<Number>::min);
+};
+
+template <unsigned size>
+struct complement
+{
+    template <class Number>
+    struct traits
+    {
+     private:
+        // indirection through complement_traits_aux necessary to keep MSVC happy
+        typedef complement_traits_aux<Number, size - 1> prev;
+     public:
+#if defined(__GNUC__) && __GNUC__ == 4 && __GNUC_MINOR__ == 0 && __GNUC_PATCHLEVEL__ == 2
+        // GCC 4.0.2 ICEs on these C-style casts
+        BOOST_STATIC_CONSTANT(Number, max =
+                            Number((prev::max) << CHAR_BIT)
+                            + Number(UCHAR_MAX));
+        BOOST_STATIC_CONSTANT(Number, min = Number((prev::min) << CHAR_BIT));
+#else
+        // Avoid left shifting negative integers, use multiplication instead
+        BOOST_STATIC_CONSTANT(Number, shift = 1u << CHAR_BIT);
+        BOOST_STATIC_CONSTANT(Number, max =
+                            Number(Number(prev::max) * shift)
+                            + Number(UCHAR_MAX));
+        BOOST_STATIC_CONSTANT(Number, min = Number(Number(prev::min) * shift));
+#endif
+    };
+};
+
+// Template class complement_base<> -- defines values for min and max for
+// complement<1>, at the deepest level of recursion. Uses "poor man's partial
+// specialization" again.
+template <bool is_signed> struct complement_base;
+
+template <> struct complement_base<false>
+{
+    template <class Number>
+    struct values
+    {
+        BOOST_STATIC_CONSTANT(Number, min = 0);
+        BOOST_STATIC_CONSTANT(Number, max = UCHAR_MAX);
+    };
+};
+
+template <> struct complement_base<true>
+{
+    template <class Number>
+    struct values
+    {
+        BOOST_STATIC_CONSTANT(Number, min = SCHAR_MIN);
+        BOOST_STATIC_CONSTANT(Number, max = SCHAR_MAX);
+    };
+};
+
+// Base specialization of complement, puts an end to the recursion.
+template <>
+struct complement<1>
+{
+    template <class Number>
+    struct traits
+    {
+        BOOST_STATIC_CONSTANT(bool, is_signed = boost::is_signed<Number>::value);
+        BOOST_STATIC_CONSTANT(Number, min =
+                            complement_base<is_signed>::template values<Number>::min);
+        BOOST_STATIC_CONSTANT(Number, max =
+                            complement_base<is_signed>::template values<Number>::max);
+    };
+};
+
+// Now here's the "pretty" template you're intended to actually use.
+//   complement_traits<Number>::min, complement_traits<Number>::max are the
+//   minimum and maximum values of Number if Number is a built-in integer type.
+template <class Number>
+struct complement_traits
+{
+    BOOST_STATIC_CONSTANT(Number, max = (complement_traits_aux<Number, sizeof(Number)>::max));
+    BOOST_STATIC_CONSTANT(Number, min = (complement_traits_aux<Number, sizeof(Number)>::min));
+};
+
+// =================================================================================
+
+// Support for streaming various numeric types in exactly the format I want. I
+// needed this in addition to all the assertions so that I could see exactly
+// what was going on.
+//
+// Numbers go through a 2-stage conversion process (by default, though, no real
+// conversion).
+//
+template <class T> struct stream_as {
+    typedef T t1;
+    typedef T t2;
+};
+
+// char types first get converted to unsigned char, then to unsigned.
+template <> struct stream_as<char> {
+    typedef unsigned char t1;
+    typedef unsigned t2;
+};
+template <> struct stream_as<unsigned char> {
+    typedef unsigned char t1; typedef unsigned t2;
+};
+template <> struct stream_as<signed char>  {
+    typedef unsigned char t1; typedef unsigned t2;
+};
+
+// C++20 ostream has deleted operator<< for wchar_t
+template <> struct stream_as<wchar_t> {
+    typedef unsigned int t1;
+    typedef unsigned int t2;
+};
+
+#if defined(BOOST_MSVC_STD_ITERATOR) // No intmax streaming built-in
+
+// With this library implementation, __int64 and __uint64 get streamed as strings
+template <> struct stream_as<boost::uintmax_t> {
+    typedef std::string t1;
+    typedef std::string t2;
+};
+
+template <> struct stream_as<boost::intmax_t>  {
+    typedef std::string t1;
+    typedef std::string t2;
+};
+#endif
+
+// Standard promotion process for streaming
+template <class T> struct promote
+{
+    static typename stream_as<T>::t1 from(T x) {
+        typedef typename stream_as<T>::t1 t1;
+        return t1(x);
+    }
+};
+
+#if defined(BOOST_MSVC_STD_ITERATOR) // No intmax streaming built-in
+
+// On this platform, stream them as long/unsigned long if they fit.
+// Otherwise, write a string.
+template <> struct promote<boost::uintmax_t> {
+    std::string static from(const boost::uintmax_t x) {
+        if (x > ULONG_MAX)
+            return std::string("large unsigned value");
+        else {
+            std::ostringstream strm;
+            strm << (unsigned long)x;
+            return strm.str();
+        }
+    }
+};
+template <> struct promote<boost::intmax_t> {
+    std::string static from(const boost::intmax_t x) {
+        if (x > boost::intmax_t(ULONG_MAX))
+            return std::string("large positive signed value");
+        else if (x >= 0) {
+            std::ostringstream strm;
+            strm << (unsigned long)x;
+            return strm.str();
+        }
+
+        if (x < boost::intmax_t(LONG_MIN))
+            return std::string("large negative signed value");
+        else {
+            std::ostringstream strm;
+            strm << (long)x;
+            return strm.str();
+        }
+    }
+};
+#endif
+
+// This is the function which converts types to the form I want to stream them in.
+template <class T>
+typename stream_as<T>::t2 stream_number(T x)
+{
+    return promote<T>::from(x);
+}
+// =================================================================================
+
+//
+// Tests for built-in signed and unsigned types
+//
+
+// Tag types for selecting tests
+struct unsigned_tag {};
+struct signed_tag {};
+
+// Tests for unsigned numbers. The extra default Number parameter works around
+// an MSVC bug.
+template <class Number>
+void test_aux(unsigned_tag, Number*)
+{
+    typedef typename boost::detail::numeric_traits<Number>::difference_type difference_type;
+    BOOST_STATIC_ASSERT(!boost::is_signed<Number>::value);
+    BOOST_STATIC_ASSERT(
+        (sizeof(Number) < sizeof(boost::intmax_t))
+        | (boost::is_same<difference_type, boost::intmax_t>::value));
+
+#if defined(__GNUC__) && __GNUC__ == 4 && __GNUC_MINOR__ == 0 && __GNUC_PATCHLEVEL__ == 2
+    // GCC 4.0.2 ICEs on this C-style cases
+    BOOST_STATIC_ASSERT((complement_traits<Number>::max) > Number(0));
+    BOOST_STATIC_ASSERT((complement_traits<Number>::min) == Number(0));
+#else
+    // Force casting to Number here to work around the fact that it's an enum on MSVC
+    BOOST_STATIC_ASSERT(Number(complement_traits<Number>::max) > Number(0));
+    BOOST_STATIC_ASSERT(Number(complement_traits<Number>::min) == Number(0));
+#endif
+
+    const Number max = complement_traits<Number>::max;
+    const Number min = complement_traits<Number>::min;
+
+    const Number test_max = (sizeof(Number) < sizeof(boost::intmax_t))
+        ? max
+        : max / 2 - 1;
+
+    std::cout << std::hex << "(unsigned) min = " << stream_number(min) << ", max = "
+              << stream_number(max) << "..." << std::flush;
+    std::cout << "difference_type = " << typeid(difference_type).name() << "..."
+              << std::flush;
+
+    difference_type d1 = boost::detail::numeric_distance(Number(0), test_max);
+    difference_type d2 = boost::detail::numeric_distance(test_max, Number(0));
+
+    std::cout << "0->" << stream_number(test_max) << "==" << std::dec << stream_number(d1) << "; "
+              << std::hex << stream_number(test_max) << "->0==" << std::dec << stream_number(d2) << "..." << std::flush;
+
+    assert(d1 == difference_type(test_max));
+    assert(d2 == -difference_type(test_max));
+}
+
+// Tests for signed numbers. The extra default Number parameter works around an
+// MSVC bug.
+struct out_of_range_tag {};
+struct in_range_tag {};
+
+// This test morsel gets executed for numbers whose difference will always be
+// representable in intmax_t
+template <class Number>
+void signed_test(in_range_tag, Number*)
+{
+    BOOST_STATIC_ASSERT(boost::is_signed<Number>::value);
+    typedef typename boost::detail::numeric_traits<Number>::difference_type difference_type;
+    const Number max = complement_traits<Number>::max;
+    const Number min = complement_traits<Number>::min;
+
+    difference_type d1 = boost::detail::numeric_distance(min, max);
+    difference_type d2 = boost::detail::numeric_distance(max, min);
+
+    std::cout << stream_number(min) << "->" << stream_number(max) << "==";
+    std::cout << std::dec << stream_number(d1) << "; ";
+    std::cout << std::hex << stream_number(max) << "->" << stream_number(min)
+              << "==" << std::dec << stream_number(d2) << "..." << std::flush;
+    assert(d1 == difference_type(max) - difference_type(min));
+    assert(d2 == difference_type(min) - difference_type(max));
+}
+
+// This test morsel gets executed for numbers whose difference may exceed the
+// capacity of intmax_t.
+template <class Number>
+void signed_test(out_of_range_tag, Number*)
+{
+    BOOST_STATIC_ASSERT(boost::is_signed<Number>::value);
+    typedef typename boost::detail::numeric_traits<Number>::difference_type difference_type;
+    const Number max = complement_traits<Number>::max;
+    const Number min = complement_traits<Number>::min;
+
+    difference_type min_distance = complement_traits<difference_type>::min;
+    difference_type max_distance = complement_traits<difference_type>::max;
+
+    const Number n1 = Number(min + max_distance);
+    const Number n2 = Number(max + min_distance);
+    difference_type d1 = boost::detail::numeric_distance(min, n1);
+    difference_type d2 = boost::detail::numeric_distance(max, n2);
+
+    std::cout << stream_number(min) << "->" << stream_number(n1) << "==";
+    std::cout << std::dec << stream_number(d1) << "; ";
+    std::cout << std::hex << stream_number(max) << "->" << stream_number(n2)
+              << "==" << std::dec << stream_number(d2) << "..." << std::flush;
+    assert(d1 == max_distance);
+    assert(d2 == min_distance);
+}
+
+template <class Number>
+void test_aux(signed_tag, Number*)
+{
+    typedef typename boost::detail::numeric_traits<Number>::difference_type difference_type;
+    BOOST_STATIC_ASSERT(boost::is_signed<Number>::value);
+    BOOST_STATIC_ASSERT(
+        (sizeof(Number) < sizeof(boost::intmax_t))
+        | (boost::is_same<difference_type, Number>::value));
+
+#if defined(__GNUC__) && __GNUC__ == 4 && __GNUC_MINOR__ == 0 && __GNUC_PATCHLEVEL__ == 2
+    // GCC 4.0.2 ICEs on this cast
+    BOOST_STATIC_ASSERT((complement_traits<Number>::max) > Number(0));
+    BOOST_STATIC_ASSERT((complement_traits<Number>::min) < Number(0));
+#else
+    // Force casting to Number here to work around the fact that it's an enum on MSVC
+    BOOST_STATIC_ASSERT(Number(complement_traits<Number>::max) > Number(0));
+    BOOST_STATIC_ASSERT(Number(complement_traits<Number>::min) < Number(0));
+#endif
+    const Number max = complement_traits<Number>::max;
+    const Number min = complement_traits<Number>::min;
+
+    std::cout << std::hex << "min = " << stream_number(min) << ", max = "
+              << stream_number(max) << "..." << std::flush;
+    std::cout << "difference_type = " << typeid(difference_type).name() << "..."
+              << std::flush;
+
+    typedef typename boost::conditional<
+        (sizeof(Number) < sizeof(boost::intmax_t)),
+        in_range_tag,
+        out_of_range_tag
+    >::type range_tag;
+    signed_test<Number>(range_tag(), 0);
+}
+
+
+// Test for all numbers. The extra default Number parameter works around an MSVC
+// bug.
+template <class Number>
+void test(Number* = 0)
+{
+    std::cout << "testing " << typeid(Number).name() << ":\n"
+#ifndef BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS
+              << "is_signed: " << (std::numeric_limits<Number>::is_signed ? "true\n" : "false\n")
+              << "is_bounded: " << (std::numeric_limits<Number>::is_bounded ? "true\n" : "false\n")
+              << "digits: " << std::numeric_limits<Number>::digits << "\n"
+#endif
+              << "..." << std::flush;
+
+    // factoring out difference_type for the assert below confused Borland :(
+    typedef boost::is_signed<
+#if !defined(BOOST_MSVC) || BOOST_MSVC > 1300
+        typename
+#endif
+        boost::detail::numeric_traits<Number>::difference_type
+        > is_signed;
+    BOOST_STATIC_ASSERT(is_signed::value);
+
+    typedef typename boost::conditional<
+        boost::is_signed<Number>::value,
+        signed_tag,
+        unsigned_tag
+    >::type signedness;
+
+    test_aux<Number>(signedness(), 0);
+    std::cout << "passed" << std::endl;
+}
+
+int main()
+{
+    test<char>();
+    test<unsigned char>();
+    test<signed char>();
+    test<wchar_t>();
+    test<short>();
+    test<unsigned short>();
+    test<int>();
+    test<unsigned int>();
+    test<long>();
+    test<unsigned long>();
+#if defined(BOOST_HAS_LONG_LONG) && !defined(BOOST_NO_INTEGRAL_INT64_T)
+    test< ::boost::long_long_type>();
+    test< ::boost::ulong_long_type>();
+#elif defined(BOOST_MSVC)
+    // The problem of not having compile-time static class constants other than
+    // enums prevents this from working, since values get truncated.
+    // test<boost::uintmax_t>();
+    // test<boost::intmax_t>();
+#endif
+    return 0;
+}

externals/vcpkg/buildtrees/boost-detail/src/ost-1.79.0-52a6f38d61.clean/test/reference_content_test.cpp

@@ -0,0 +1,16 @@
+
+// Copyright 2018 Daniel James.
+// 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)
+
+#include <boost/detail/reference_content.hpp>
+#include <boost/static_assert.hpp>
+#include <boost/type_traits/is_same.hpp>
+
+BOOST_STATIC_ASSERT((boost::is_same<int, boost::detail::make_reference_content<int>::type>::value));
+BOOST_STATIC_ASSERT((boost::is_same<boost::detail::reference_content<int&>, boost::detail::make_reference_content<int&>::type>::value));
+BOOST_STATIC_ASSERT((boost::is_same<int, boost::detail::make_reference_content<>::apply<int>::type>::value));
+BOOST_STATIC_ASSERT((boost::is_same<boost::detail::reference_content<int&>, boost::detail::make_reference_content<>::apply<int&>::type>::value));
+BOOST_STATIC_ASSERT((boost::has_nothrow_copy<boost::detail::make_reference_content<int&>::type>::value));
+
+int main() {}

externals/vcpkg/buildtrees/boost-detail/src/ost-1.79.0-52a6f38d61.clean/test/test_utf8_codecvt.cpp

@@ -0,0 +1,316 @@
+/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
+// test_utf8_codecvt.cpp
+
+// (C) Copyright 2002-4 Robert Ramey - http://www.rrsd.com . 
+// Use, modification and distribution is subject to 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)
+
+#include <algorithm> // std::copy
+#include <fstream>
+#include <iostream>
+#include <iterator>
+#include <locale>
+#include <vector>
+#include <string>
+
+#include <cstddef> // size_t
+#include <cwchar>
+#include <boost/config.hpp>
+#include <boost/core/no_exceptions_support.hpp>
+
+#if !defined(BOOST_NO_EXCEPTIONS)
+#include <exception>
+#endif
+
+#define BOOST_UTF8_BEGIN_NAMESPACE namespace boost { namespace detail {
+#define BOOST_UTF8_END_NAMESPACE } }
+#include <boost/detail/utf8_codecvt_facet.hpp>
+#include <boost/detail/utf8_codecvt_facet.ipp>
+
+#if defined(BOOST_NO_STDC_NAMESPACE)
+namespace std{ 
+    using ::size_t; 
+    using ::wcslen;
+#if !defined(UNDER_CE) && !defined(__PGIC__) 
+    using ::w_int;
+#endif
+} // namespace std
+#endif
+
+// Note: copied from boost/iostreams/char_traits.hpp
+//
+// Dinkumware that comes with QNX Momentics 6.3.0, 4.0.2, incorrectly defines
+// the EOF and WEOF macros to not std:: qualify the wint_t type (and so does
+// Sun C++ 5.8 + STLport 4). Fix by placing the def in this scope.
+// NOTE: Use BOOST_WORKAROUND?
+#if (defined(__QNX__) && defined(BOOST_DINKUMWARE_STDLIB))  \
+    || defined(__SUNPRO_CC)
+    using ::std::wint_t;
+#endif
+
+#include <boost/core/lightweight_test.hpp>
+
+// Directory of the test executable
+std::string executable_dir;
+
+template<std::size_t s>
+struct test_data
+{
+    static unsigned char utf8_encoding[];
+    static wchar_t wchar_encoding[];
+};
+
+template<>
+unsigned char test_data<2>::utf8_encoding[] = {
+    0x01,
+    0x7f,
+    0xc2, 0x80,
+    0xdf, 0xbf,
+    0xe0, 0xa0, 0x80,
+    0xe7, 0xbf, 0xbf
+};
+
+template<>
+wchar_t test_data<2>::wchar_encoding[] = {
+    0x0001,
+    0x007f,
+    0x0080,
+    0x07ff,
+    0x0800,
+    0x7fff
+};
+
+template<>
+unsigned char test_data<4>::utf8_encoding[] = {
+    0x01,
+    0x7f,
+    0xc2, 0x80,
+    0xdf, 0xbf,
+    0xe0, 0xa0, 0x80,
+    0xef, 0xbf, 0xbf,
+    0xf0, 0x90, 0x80, 0x80,
+    0xf4, 0x8f, 0xbf, 0xbf,
+    /* codecvt implementations for clang and gcc don't handle more than 21 bits and
+     * return eof accordlingly.  So don't test the whole 32 range
+     */
+    /*
+    0xf7, 0xbf, 0xbf, 0xbf,
+    0xf8, 0x88, 0x80, 0x80, 0x80,
+    0xfb, 0xbf, 0xbf, 0xbf, 0xbf,
+    0xfc, 0x84, 0x80, 0x80, 0x80, 0x80,
+    0xfd, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf
+    */
+};
+
+template<>
+wchar_t test_data<4>::wchar_encoding[] = {
+    (wchar_t)0x00000001,
+    (wchar_t)0x0000007f,
+    (wchar_t)0x00000080,
+    (wchar_t)0x000007ff,
+    (wchar_t)0x00000800,
+    (wchar_t)0x0000ffff,
+    (wchar_t)0x00010000,
+    (wchar_t)0x0010ffff,
+    /* codecvt implementations for clang and gcc don't handle more than 21 bits and
+     * return eof accordlingly.  So don't test the whole 32 range
+     */
+    /*
+    (wchar_t)0x001fffff,
+    (wchar_t)0x00200000,
+    (wchar_t)0x03ffffff,
+    (wchar_t)0x04000000,
+    (wchar_t)0x7fffffff
+    */
+};
+
+int
+test_main(int /* argc */, char * /* argv */[]) {
+    std::locale utf8_locale
+        = std::locale(
+            std::locale::classic(),
+            new boost::detail::utf8_codecvt_facet
+        );
+
+    typedef char utf8_t;
+    // define test data compatible with the wchar_t implementation
+    // as either ucs-2 or ucs-4 depending on the compiler/library.
+    typedef test_data<sizeof(wchar_t)> td;
+
+    // Send our test UTF-8 data to file
+    {
+        std::ofstream ofs;
+        ofs.open((executable_dir + "test.dat").c_str());
+        std::copy(
+            td::utf8_encoding,
+            td::utf8_encoding + sizeof(td::utf8_encoding) / sizeof(unsigned char),
+            std::ostream_iterator<utf8_t>(ofs)
+        );
+    }
+
+    // Read the test data back in, converting to UCS-4 on the way in
+    std::vector<wchar_t> from_file;
+    {
+        std::wifstream ifs;
+        ifs.imbue(utf8_locale);
+        ifs.open((executable_dir + "test.dat").c_str());
+
+        std::wint_t item = 0;
+        // note can't use normal vector from iterator constructor because
+        // dinkumware doesn't have it.
+        for(;;){
+            item = ifs.get();
+            if(item == WEOF)
+                break;
+            //ifs >> item;
+            //if(ifs.eof())
+            //    break;
+            from_file.push_back(item);
+        }
+    }
+
+    BOOST_TEST(std::equal(from_file.begin(), from_file.end(), td::wchar_encoding));
+  
+    // Send the UCS4_data back out, converting to UTF-8
+    {
+        std::wofstream ofs;
+        ofs.imbue(utf8_locale);
+        ofs.open((executable_dir + "test2.dat").c_str());
+        std::copy(
+            from_file.begin(),
+            from_file.end(),
+            std::ostream_iterator<wchar_t, wchar_t>(ofs)
+        );
+    }
+
+    // Make sure that both files are the same
+    {
+        typedef std::istream_iterator<utf8_t> is_iter;
+        is_iter end_iter;
+
+        std::ifstream ifs1((executable_dir + "test.dat").c_str());
+        is_iter it1(ifs1);
+        std::vector<utf8_t> data1;
+        std::copy(it1, end_iter, std::back_inserter(data1));
+
+        std::ifstream ifs2((executable_dir + "test2.dat").c_str());
+        is_iter it2(ifs2);
+        std::vector<utf8_t> data2;
+        std::copy(it2, end_iter, std::back_inserter(data2));
+
+        BOOST_TEST_ALL_EQ(data1.begin(), data1.end(), data2.begin(), data2.end());
+    }
+
+    // some libraries have trouble that only shows up with longer strings
+
+    const wchar_t * test3_data = L"\
+    <?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\" ?>\
+    <!DOCTYPE boost_serialization>\
+    <boost_serialization signature=\"serialization::archive\" version=\"3\">\
+    <a class_id=\"0\" tracking_level=\"0\">\
+        <b>1</b>\
+        <f>96953204</f>\
+        <g>177129195</g>\
+        <l>1</l>\
+        <m>5627</m>\
+        <n>23010</n>\
+        <o>7419</o>\
+        <p>16212</p>\
+        <q>4086</q>\
+        <r>2749</r>\
+        <c>-33</c>\
+        <s>124</s>\
+        <t>28</t>\
+        <u>32225</u>\
+        <v>17543</v>\
+        <w>0.84431422</w>\
+        <x>1.0170664757130923</x>\
+        <y>tjbx</y>\
+        <z>cuwjentqpkejp</z>\
+    </a>\
+    </boost_serialization>\
+    ";
+
+    // Send the UCS4_data back out, converting to UTF-8
+    std::size_t l = std::wcslen(test3_data);
+    {
+        std::wofstream ofs;
+        ofs.imbue(utf8_locale);
+        ofs.open((executable_dir + "test3.dat").c_str());
+        std::copy(
+            test3_data,
+            test3_data + l,
+            std::ostream_iterator<wchar_t, wchar_t>(ofs)
+        );
+    }
+
+    // Make sure that both files are the same
+    {
+        std::wifstream ifs;
+        ifs.imbue(utf8_locale);
+        ifs.open((executable_dir + "test3.dat").c_str());
+        ifs >> std::noskipws;
+        BOOST_TEST(
+            std::equal(
+                test3_data,
+                test3_data + l,
+                std::istream_iterator<wchar_t, wchar_t>(ifs)
+            )
+        );
+    }
+
+    // Test length calculation
+    {
+        std::codecvt<wchar_t, char, std::mbstate_t> const& fac = std::use_facet< std::codecvt<wchar_t, char, std::mbstate_t> >(utf8_locale);
+        std::mbstate_t mbs = std::mbstate_t();
+        const int utf8_len = sizeof(td::utf8_encoding) / sizeof(*td::utf8_encoding);
+        int res = fac.length(mbs, reinterpret_cast< const char* >(td::utf8_encoding), reinterpret_cast< const char* >(td::utf8_encoding + utf8_len), ~static_cast< std::size_t >(0u));
+        BOOST_TEST_EQ(utf8_len, res);
+    }
+
+    // Test that length calculation detects character boundaries
+    {
+        std::codecvt<wchar_t, char, std::mbstate_t> const& fac = std::use_facet< std::codecvt<wchar_t, char, std::mbstate_t> >(utf8_locale);
+        std::mbstate_t mbs = std::mbstate_t();
+        // The first 5 bytes of utf8_encoding contain 3 complete UTF-8 characters (taking 4 bytes in total) and 1 byte of an incomplete character.
+        // This last byte should not be accounted by length().
+        const int input_len = 5;
+        const int utf8_len = 4;
+        int res = fac.length(mbs, reinterpret_cast< const char* >(td::utf8_encoding), reinterpret_cast< const char* >(td::utf8_encoding + input_len), ~static_cast< std::size_t >(0u));
+        BOOST_TEST_EQ(utf8_len, res);
+    }
+
+    return EXIT_SUCCESS;
+}
+
+int
+main(int argc, char * argv[]) {
+    if (argc > 0) {
+        // We need to save the path to executable to create test files in the same directory.
+        // This allows running different configurations of the test (release/debug, different C++ versions, etc.) in parallel.
+        std::string exec_name = argv[0];
+        std::string::size_type last_dir_sep_pos = exec_name.find_last_of("/\\");
+        if (last_dir_sep_pos != std::string::npos)
+            executable_dir = exec_name.substr(0, last_dir_sep_pos + 1); // include the trailing directory separator
+    }
+
+    int retval = 1;
+    BOOST_TRY{
+        retval = test_main(argc, argv);
+    }
+#ifndef BOOST_NO_EXCEPTION_STD_NAMESPACE
+    BOOST_CATCH(const std::exception & e){
+        BOOST_ERROR(e.what());
+    }
+#endif
+    BOOST_CATCH(...){
+        BOOST_ERROR("failed with uncaught exception:");
+    }
+    BOOST_CATCH_END
+
+    int error_count = boost::report_errors();
+    if (error_count > 0)
+        retval = error_count;
+    return retval;
+}