Add test/append_string_view_cx.cpp

test/Jamfile

@@ -86,6 +86,7 @@ run append_string_cx.cpp ;
 run append_array_cx.cpp ;
 run append_array_cx_2.cpp ;
 run append_array_cx_3.cpp ;
+run append_string_view_cx.cpp ;
 
 # non-cryptographic
 

test/append_string_view_cx.cpp

@@ -0,0 +1,62 @@
+// Copyright 2017, 2024 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/hash2/hash_append.hpp>
+#include <boost/hash2/fnv1a.hpp>
+#include <boost/utility/string_view.hpp>
+#include <boost/core/detail/string_view.hpp>
+#include <boost/core/lightweight_test.hpp>
+#include <boost/config.hpp>
+#if !defined(BOOST_NO_CXX17_HDR_STRING_VIEW)
+#include <string_view>
+#endif
+
+#if defined(BOOST_MSVC) && BOOST_MSVC < 1920
+# pragma warning(disable: 4307) // integral constant overflow
+#endif
+
+template<class Hash, class Flavor, class T>
+BOOST_CXX14_CONSTEXPR typename Hash::result_type test( T const& v )
+{
+    Hash h;
+    Flavor f{};
+
+    hash_append( h, f, v );
+
+    return h.result();
+}
+
+#define STATIC_ASSERT(...) static_assert(__VA_ARGS__, #__VA_ARGS__)
+
+#if defined(BOOST_NO_CXX14_CONSTEXPR) || ( defined(BOOST_GCC) && BOOST_GCC < 60000 )
+
+# define TEST_EQ(x1, x2) BOOST_TEST_EQ(x1, x2)
+
+#else
+
+# define TEST_EQ(x1, x2) BOOST_TEST_EQ(x1, x2); STATIC_ASSERT(x1 == x2)
+
+#endif
+
+int main()
+{
+    using namespace boost::hash2;
+
+    constexpr char const* str = "\x01\x02\x03\x04";
+
+    TEST_EQ( (test<fnv1a_32, little_endian_flavor>( boost::string_view( str, 4 ) )), 2227238665 );
+    TEST_EQ( (test<fnv1a_32, big_endian_flavor>( boost::string_view( str, 4 ) )), 3245468929 );
+
+    TEST_EQ( (test<fnv1a_32, little_endian_flavor>( boost::core::string_view( str, 4 ) )), 2227238665 );
+    TEST_EQ( (test<fnv1a_32, big_endian_flavor>( boost::core::string_view( str, 4 ) )), 3245468929 );
+
+#if !defined(BOOST_NO_CXX17_HDR_STRING_VIEW)
+
+    TEST_EQ( (test<fnv1a_32, little_endian_flavor>( std::string_view( str ) )), 2227238665 );
+    TEST_EQ( (test<fnv1a_32, big_endian_flavor>( std::string_view( str ) )), 3245468929 );
+
+#endif
+
+    return boost::report_errors();
+}