From e41ba84da8deac8f4d821f72c82e2ebe67d9b7da Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@gmail.com>
Date: Tue, 30 Jun 2020 22:06:37 +0300
Subject: [PATCH] Add protect_cpp20_test.cpp

---
 test/Jamfile.v2             |  1 +
 test/protect_cpp20_test.cpp | 42 +++++++++++++++++++++++++++++++++++++
 2 files changed, 43 insertions(+)
 create mode 100644 test/protect_cpp20_test.cpp

diff --git a/test/Jamfile.v2 b/test/Jamfile.v2
index e2c1b2c..828dfdb 100644
--- a/test/Jamfile.v2
+++ b/test/Jamfile.v2
@@ -76,3 +76,4 @@ run global_placeholders.cpp ;
 run mem_fn_noexcept_test.cpp ;
 run bind_cpp20_test.cpp ;
 run protect_test2.cpp ;
+run protect_cpp20_test.cpp ;
diff --git a/test/protect_cpp20_test.cpp b/test/protect_cpp20_test.cpp
new file mode 100644
index 0000000..b20ce00
--- /dev/null
+++ b/test/protect_cpp20_test.cpp
@@ -0,0 +1,42 @@
+// Copyright 2020 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt)
+
+#include <boost/bind/protect.hpp>
+#include <boost/core/lightweight_test.hpp>
+#include <boost/config.hpp>
+#include <boost/config/workaround.hpp>
+#include <functional>
+
+//
+
+int main()
+{
+    BOOST_TEST_EQ( boost::protect( std::plus<int>() )( 1, 2 ), 3 );
+    BOOST_TEST_EQ( boost::protect( std::minus<int>() )( 1, 2 ), -1 );
+    BOOST_TEST_EQ( boost::protect( std::multiplies<int>() )( 1, 2 ), 2 );
+    BOOST_TEST_EQ( boost::protect( std::divides<int>() )( 1, 2 ), 0 );
+    BOOST_TEST_EQ( boost::protect( std::modulus<int>() )( 1, 2 ), 1 );
+    BOOST_TEST_EQ( boost::protect( std::negate<int>() )( 1 ), -1 );
+
+    BOOST_TEST_EQ( boost::protect( std::equal_to<int>() )( 1, 2 ), false );
+    BOOST_TEST_EQ( boost::protect( std::not_equal_to<int>() )( 1, 2 ), true );
+    BOOST_TEST_EQ( boost::protect( std::greater<int>() )( 1, 2 ), false );
+    BOOST_TEST_EQ( boost::protect( std::less<int>() )( 1, 2 ), true );
+    BOOST_TEST_EQ( boost::protect( std::greater_equal<int>() )( 1, 2 ), false );
+    BOOST_TEST_EQ( boost::protect( std::less_equal<int>() )( 1, 2 ), true );
+
+    BOOST_TEST_EQ( boost::protect( std::logical_and<int>() )( 1, 2 ), true );
+    BOOST_TEST_EQ( boost::protect( std::logical_or<int>() )( 1, 2 ), true );
+    BOOST_TEST_EQ( boost::protect( std::logical_not<int>() )( 1 ), false );
+
+#if !BOOST_WORKAROUND(BOOST_MSVC, < 1600)
+
+    BOOST_TEST_EQ( boost::protect( std::bit_and<int>() )( 1, 2 ), 0 );
+    BOOST_TEST_EQ( boost::protect( std::bit_or<int>() )( 1, 2 ), 3 );
+    BOOST_TEST_EQ( boost::protect( std::bit_xor<int>() )( 1, 2 ), 3 );
+
+#endif
+
+    return boost::report_errors();
+}