import quincy beta 17.1.0

[ceph.git] / ceph / src / boost / libs / leaf / test / print_test.cpp

diff --git a/ceph/src/boost/libs/leaf/test/print_test.cpp b/ceph/src/boost/libs/leaf/test/print_test.cpp
new file mode 100644 (file)
index 0000000..c2fdc16
--- /dev/null
+++ b/ceph/src/boost/libs/leaf/test/print_test.cpp
@@ -0,0 +1,99 @@
+// Copyright (c) 2018-2020 Emil Dotchevski and Reverge Studios, Inc.
+
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#include <boost/leaf/detail/print.hpp>
+#include "lightweight_test.hpp"
+#include <sstream>
+
+namespace leaf = boost::leaf;
+
+struct c0
+{
+    friend std::ostream & operator<<( std::ostream & os, c0 const & )
+    {
+        return os << "c0";
+    }
+};
+
+struct c1
+{
+    int value;
+
+    friend std::ostream & operator<<( std::ostream & os, c1 const & )
+    {
+        return os << "c1";
+    }
+};
+
+struct c2
+{
+    int value;
+};
+
+std::ostream & operator<<( std::ostream & os, c2 const & )
+{
+    return os << "c2";
+}
+
+struct c3
+{
+    int value;
+};
+
+struct c4
+{
+    struct unprintable { };
+    unprintable value;;
+};
+
+template <class T>
+bool check( T const & x, char const * sub )
+{
+    using namespace leaf::leaf_detail;
+    std::ostringstream s;
+    diagnostic<T>::print(s,x);
+    std::string q = s.str();
+    return q.find(sub)!=q.npos;
+}
+
+int main()
+{
+    BOOST_TEST(check(c0{ },"c0"));
+    BOOST_TEST(check(c1{42},"c1"));
+    {
+        c1 x;
+        c1 & y = x;
+        BOOST_TEST(check(x,"c1"));
+        BOOST_TEST(check(y,"c1"));
+    }
+    BOOST_TEST(check(c2{42},"c2"));
+    {
+        c2 x = {42};
+        c2 & y = x;
+        BOOST_TEST(check(x,"c2"));
+        BOOST_TEST(check(y,"c2"));
+    }
+    BOOST_TEST(check(c3{42},"c3"));
+    BOOST_TEST(check(c3{42},"42"));
+    {
+        c3 x = {42};
+        c3 & y = x;
+        BOOST_TEST(check(x,"c3"));
+        BOOST_TEST(check(x,"42"));
+        BOOST_TEST(check(y,"c3"));
+        BOOST_TEST(check(y,"42"));
+    }
+    BOOST_TEST(check(c4(),"c4"));
+    BOOST_TEST(check(c4(),"{Non-Printable}"));
+    {
+        c4 x;
+        c4 & y = x;
+        BOOST_TEST(check(x,"c4"));
+        BOOST_TEST(check(x,"{Non-Printable}"));
+        BOOST_TEST(check(y,"c4"));
+        BOOST_TEST(check(y,"{Non-Printable}"));
+    }
+    return boost::report_errors();
+}