update ceph source to reef 18.1.2

[ceph.git] / ceph / src / boost / libs / bind / test / apply_rv_test.cpp

diff --git a/ceph/src/boost/libs/bind/test/apply_rv_test.cpp b/ceph/src/boost/libs/bind/test/apply_rv_test.cpp
new file mode 100644 (file)
index 0000000..50d0ca6
--- /dev/null
+++ b/ceph/src/boost/libs/bind/test/apply_rv_test.cpp
@@ -0,0 +1,77 @@
+// Copyright 2021 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#include<boost/bind/apply.hpp>
+#include<boost/bind/bind.hpp>
+#include <boost/core/lightweight_test.hpp>
+#include <boost/config.hpp>
+#include <boost/config/pragma_message.hpp>
+
+#if defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
+
+BOOST_PRAGMA_MESSAGE("Skipping test because BOOST_NO_CXX11_RVALUE_REFERENCES is defined")
+int main() {}
+
+#elif defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
+
+BOOST_PRAGMA_MESSAGE("Skipping test because BOOST_NO_CXX11_VARIADIC_TEMPLATES is defined")
+int main() {}
+
+#else
+
+struct F
+{
+public:
+
+    int operator()( int & x ) const
+    {
+        return x;
+    }
+
+    int operator()( int && x ) const
+    {
+        return -x;
+    }
+};
+
+int& get_lvalue_arg()
+{
+    static int a = 1;
+    return a;
+}
+
+int get_prvalue_arg()
+{
+    return 2;
+}
+
+F& get_lvalue_f()
+{
+    static F f;
+    return f;
+}
+
+F get_prvalue_f()
+{
+    return F();
+}
+
+int main()
+{
+    using namespace boost::placeholders;
+
+    BOOST_TEST_EQ( boost::bind(boost::apply<int>(), boost::bind(get_lvalue_f), boost::bind(get_lvalue_arg))(), 1 );
+    BOOST_TEST_EQ( boost::bind(boost::apply<int>(), boost::bind(get_lvalue_f), boost::bind(get_prvalue_arg))(), -2 );
+    BOOST_TEST_EQ( boost::bind(boost::apply<int>(), boost::bind(get_prvalue_f), boost::bind(get_lvalue_arg))(), 1 );
+    BOOST_TEST_EQ( boost::bind(boost::apply<int>(), boost::bind(get_prvalue_f), boost::bind(get_prvalue_arg))(), -2 );
+
+    BOOST_TEST_EQ( boost::bind(boost::apply<int>(), boost::bind(boost::apply<F&>(), _1), boost::bind(boost::apply<int&>(), _2))(get_lvalue_f, get_lvalue_arg), 1 );
+    BOOST_TEST_EQ( boost::bind(boost::apply<int>(), boost::bind(boost::apply<F&>(), _1), boost::bind(boost::apply<int>(), _2))(get_lvalue_f, get_prvalue_arg), -2 );
+    BOOST_TEST_EQ( boost::bind(boost::apply<int>(), boost::bind(boost::apply<F>(), _1), boost::bind(boost::apply<int&>(), _2))(get_prvalue_f, get_lvalue_arg), 1 );
+    BOOST_TEST_EQ( boost::bind(boost::apply<int>(), boost::bind(boost::apply<F>(), _1), boost::bind(boost::apply<int>(), _2))(get_prvalue_f, get_prvalue_arg), -2 );
+
+    return boost::report_errors();
+}
+
+#endif