--- /dev/null
+/*
+Copyright 2019 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#include <cstddef>
+#ifdef __cpp_lib_byte
+#include <boost/core/span.hpp>
+#include <boost/core/lightweight_test.hpp>
+
+void test_dynamic()
+{
+ int a[4];
+ boost::span<const std::byte> s =
+ boost::as_bytes(boost::span<int>(&a[0], 4));
+ BOOST_TEST_EQ(s.data(), reinterpret_cast<const std::byte*>(&a[0]));
+ BOOST_TEST_EQ(s.size(), sizeof(int) * 4);
+}
+
+void test_static()
+{
+ int a[4];
+ boost::span<const std::byte, sizeof(int) * 4> s =
+ boost::as_bytes(boost::span<int, 4>(&a[0], 4));
+ BOOST_TEST_EQ(s.data(), reinterpret_cast<const std::byte*>(&a[0]));
+ BOOST_TEST_EQ(s.size(), sizeof(int) * 4);
+}
+
+int main()
+{
+ test_dynamic();
+ test_static();
+ return boost::report_errors();
+}
+#else
+int main()
+{
+ return 0;
+}
+#endif