From 19fcec84d8d7d21e796c7624e521b60d28ee21ed Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 20:45:59 +0200
Subject: Adding upstream version 16.2.11+ds.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../multiprecision/test/test_optional_compat.cpp   | 31 ++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 src/boost/libs/multiprecision/test/test_optional_compat.cpp

(limited to 'src/boost/libs/multiprecision/test/test_optional_compat.cpp')

diff --git a/src/boost/libs/multiprecision/test/test_optional_compat.cpp b/src/boost/libs/multiprecision/test/test_optional_compat.cpp
new file mode 100644
index 000000000..4626f9ccd
--- /dev/null
+++ b/src/boost/libs/multiprecision/test/test_optional_compat.cpp
@@ -0,0 +1,31 @@
+/*
+ *  (c) Copyright Andrey Semashev 2018.
+ *
+ *  Use, modification and distribution are subject to 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)
+ */
+/*
+ * The test verifies that Boost.Multiprecision does not cause conflict with Boost.Optional
+ * because of its restricted conversion constructors and operators. See comments in:
+ *
+ * https://github.com/boostorg/integer/pull/11
+ */
+
+#include <boost/multiprecision/cpp_int.hpp>
+#include <boost/optional/optional.hpp>
+#include <boost/core/lightweight_test.hpp>
+
+inline boost::optional<boost::multiprecision::int128_t> foo()
+{
+   return boost::optional<boost::multiprecision::int128_t>(10);
+}
+
+int main()
+{
+   boost::optional<boost::multiprecision::int128_t> num = foo();
+   BOOST_TEST(!!num);
+   BOOST_TEST(*num == 10);
+
+   return boost::report_errors();
+}
-- 
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