import quincy beta 17.1.0

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

diff --git a/ceph/src/boost/libs/leaf/test/capture_exception_state_test.cpp b/ceph/src/boost/libs/leaf/test/capture_exception_state_test.cpp
new file mode 100644 (file)
index 0000000..010caed
--- /dev/null
+++ b/ceph/src/boost/libs/leaf/test/capture_exception_state_test.cpp
@@ -0,0 +1,87 @@
+// 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/capture.hpp>
+#include <boost/leaf/handle_errors.hpp>
+#include <boost/leaf/exception.hpp>
+#include "lightweight_test.hpp"
+
+namespace leaf = boost::leaf;
+
+int count = 0;
+
+template <int>
+struct info
+{
+    info() noexcept
+    {
+        ++count;
+    }
+
+    info( info const & ) noexcept
+    {
+        ++count;
+    }
+
+    ~info() noexcept
+    {
+        --count;
+    }
+};
+
+int main()
+{
+    auto error_handlers = std::make_tuple(
+        []( info<1>, info<3> )
+        {
+            return 1;
+        },
+        []
+        {
+            return 2;
+        } );
+    BOOST_TEST_EQ(count, 0);
+    std::exception_ptr ep;
+    try
+    {
+        leaf::capture(
+            leaf::make_shared_context(error_handlers),
+            []
+            {
+                throw leaf::exception(info<1>{}, info<3>{});
+            } );
+        BOOST_TEST(false);
+    }
+    catch(...)
+    {
+        ep = std::current_exception();
+    }
+    BOOST_TEST_EQ(count, 2);
+    int r = leaf::try_catch(
+        [&]() -> int
+        {
+            std::rethrow_exception(ep);
+        },
+        error_handlers );
+    BOOST_TEST_EQ(r, 1);
+    ep = std::exception_ptr();
+    BOOST_TEST_EQ(count, 0);
+    return boost::report_errors();
+}
+
+#endif