import quincy beta 17.1.0

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

diff --git a/ceph/src/boost/libs/leaf/test/accumulate_nested_error_exception_test.cpp b/ceph/src/boost/libs/leaf/test/accumulate_nested_error_exception_test.cpp
new file mode 100644 (file)
index 0000000..bddd598
--- /dev/null
+++ b/ceph/src/boost/libs/leaf/test/accumulate_nested_error_exception_test.cpp
@@ -0,0 +1,82 @@
+// 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/config.hpp>
+#ifdef BOOST_LEAF_NO_EXCEPTIONS
+
+#include <iostream>
+
+int main()
+{
+    std::cout << "Unit test not applicable." << std::endl;
+    return 0;
+}
+
+#else
+
+#include <boost/leaf/on_error.hpp>
+#include <boost/leaf/handle_errors.hpp>
+#include <boost/leaf/exception.hpp>
+#include "lightweight_test.hpp"
+
+namespace leaf = boost::leaf;
+
+template <int>
+struct info
+{
+    int value;
+};
+
+void f0()
+{
+    auto load = leaf::on_error( []( info<0> & ) { } );
+    throw leaf::exception(info<2>{2});
+}
+
+void f1()
+{
+    auto load = leaf::on_error( info<0>{-1}, info<2>{-1}, []( info<1> & x ) {++x.value;} );
+    f0();
+}
+
+void f2()
+{
+    try
+    {
+        f1();
+    }
+    catch( leaf::error_id const & err )
+    {
+        err.load( info<3>{3} );
+        throw;
+    }
+}
+
+int main()
+{
+    int r = leaf::try_catch(
+        []
+        {
+            f2();
+            return 0;
+        },
+        []( info<0> i0, info<1> i1, info<2> i2, info<3> i3 )
+        {
+            BOOST_TEST_EQ(i0.value, 0);
+            BOOST_TEST_EQ(i1.value, 1);
+            BOOST_TEST_EQ(i2.value, 2);
+            BOOST_TEST_EQ(i3.value, 3);
+            return 1;
+        },
+        []
+        {
+            return 2;
+        } );
+    BOOST_TEST_EQ(r, 1);
+
+    return boost::report_errors();
+}
+
+#endif