1 files changed, 32 insertions, 0 deletions
diff --git a/src/boost/libs/spirit/test/qi/to_utf8.cpp b/src/boost/libs/spirit/test/qi/to_utf8.cpp
new file mode 100644
index 00000000..d0fbdf71
--- /dev/null
+++ b/src/boost/libs/spirit/test/qi/to_utf8.cpp
@@ -0,0 +1,32 @@
+/*=============================================================================
+    Copyright (c) 2018 Nikita Kniazev
+
+    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/core/lightweight_test.hpp>
+#include <boost/spirit/home/support/utf8.hpp>
+
+#if defined(_MSC_VER) && _MSC_VER < 1700
+# pragma warning(disable: 4428) // universal-character-name encountered in source
+#endif
+
+int main()
+{
+    using boost::spirit::to_utf8;
+
+    // Assume wchar_t is 16-bit on Windows and 32-bit on Unix
+#if defined(_WIN32) || defined(__CYGWIN__)
+    BOOST_TEST_CSTR_EQ("\xEF\xBF\xA1", to_utf8(L'\uFFE1').c_str());
+#else
+    BOOST_TEST_CSTR_EQ("\xF0\x9F\xA7\x90", to_utf8(L'\U0001F9D0').c_str());
+#endif
+
+    BOOST_TEST_CSTR_EQ("\xF0\x9F\xA7\x90\xF0\x9F\xA7\xA0",
+                       to_utf8(L"\U0001F9D0\U0001F9E0").c_str());
+
+    BOOST_TEST_CSTR_EQ("\xF0\x9F\xA7\x90\xF0\x9F\xA7\xA0",
+                       to_utf8(std::wstring(L"\U0001F9D0\U0001F9E0")).c_str());
+
+    return boost::report_errors();
+}