From 94b5b7c73f09d5aba9f314fa24ac3328177604d1 Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@gmail.com>
Date: Tue, 6 Oct 2020 19:08:25 +0300
Subject: [PATCH] Add test for arithmetic -> buffer conversions

---
 test/Jamfile.v2                 |  1 +
 test/arithmetic_buffer_test.cpp | 45 +++++++++++++++++++++++++++++++++
 2 files changed, 46 insertions(+)
 create mode 100644 test/arithmetic_buffer_test.cpp

diff --git a/test/Jamfile.v2 b/test/Jamfile.v2
index 3598ae0..fc54c88 100644
--- a/test/Jamfile.v2
+++ b/test/Jamfile.v2
@@ -110,3 +110,4 @@ run endian_reverse_test5.cpp ;
 run-ni endian_reverse_test5.cpp ;
 
 run packed_buffer_test.cpp ;
+run arithmetic_buffer_test.cpp ;
diff --git a/test/arithmetic_buffer_test.cpp b/test/arithmetic_buffer_test.cpp
new file mode 100644
index 0000000..37a863c
--- /dev/null
+++ b/test/arithmetic_buffer_test.cpp
@@ -0,0 +1,45 @@
+// Copyright 2019 Peter Dimov
+//
+// Distributed under the Boost Software License, Version 1.0.
+// http://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/endian/arithmetic.hpp>
+#include <boost/endian/buffers.hpp>
+#include <boost/core/lightweight_test.hpp>
+
+template<class A, class B> void test()
+{
+    A a( 5 );
+    BOOST_TEST_EQ( a.value(), 5 );
+
+    B& b = a;
+    BOOST_TEST_EQ( b.value(), 5 );
+
+    b = 14;
+    BOOST_TEST_EQ( b.value(), 14 );
+    BOOST_TEST_EQ( a.value(), 14 );
+
+    A const& ca = a;
+    BOOST_TEST_EQ( ca.value(), 14 );
+
+    B const& cb = b;
+    BOOST_TEST_EQ( cb.value(), 14 );
+
+    a = 31;
+
+    BOOST_TEST_EQ( a.value(), 31 );
+    BOOST_TEST_EQ( b.value(), 31 );
+
+    BOOST_TEST_EQ( ca.value(), 31 );
+    BOOST_TEST_EQ( cb.value(), 31 );
+}
+
+int main()
+{
+    using namespace boost::endian;
+
+    test<big_int16_t, big_int16_buf_t>();
+    test<little_int32_t, little_int32_buf_t>();
+
+    return boost::report_errors();
+}