From 483eb2f56657e8e7f419ab1a4fab8dce9ade8609 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sat, 27 Apr 2024 20:24:20 +0200
Subject: Adding upstream version 14.2.21.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/boost/libs/spirit/test/qi/optional.cpp | 111 +++++++++++++++++++++++++++++
 1 file changed, 111 insertions(+)
 create mode 100644 src/boost/libs/spirit/test/qi/optional.cpp

(limited to 'src/boost/libs/spirit/test/qi/optional.cpp')

diff --git a/src/boost/libs/spirit/test/qi/optional.cpp b/src/boost/libs/spirit/test/qi/optional.cpp
new file mode 100644
index 00000000..22855dee
--- /dev/null
+++ b/src/boost/libs/spirit/test/qi/optional.cpp
@@ -0,0 +1,111 @@
+/*=============================================================================
+    Copyright (c) 2001-2011 Joel de Guzman
+
+    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/detail/lightweight_test.hpp>
+#include <boost/spirit/include/qi_char.hpp>
+#include <boost/spirit/include/qi_numeric.hpp>
+#include <boost/spirit/include/qi_operator.hpp>
+#include <boost/spirit/include/qi_action.hpp>
+#include <boost/spirit/include/qi_directive.hpp>
+#include <boost/spirit/include/support_argument.hpp>
+#include <boost/spirit/include/phoenix_core.hpp>
+#include <boost/spirit/include/phoenix_operator.hpp>
+#include <boost/fusion/adapted/struct.hpp>
+
+#include <iostream>
+#include "test.hpp"
+
+struct adata
+{
+    int a;
+    boost::optional<int> b;
+};
+
+BOOST_FUSION_ADAPT_STRUCT(
+    adata,
+    (int, a)
+    (boost::optional<int>, b)
+)
+
+struct test_attribute_type
+{
+    template <typename Attribute, typename Context>
+    void operator()(Attribute&, Context&, bool&) const
+    {
+        BOOST_TEST(typeid(Attribute).name() == typeid(boost::optional<int>).name());
+    }
+};
+
+int
+main()
+{
+    using spirit_test::test;
+    using spirit_test::test_attr;
+
+    using boost::spirit::qi::_1;
+    using boost::spirit::qi::int_;
+    using boost::spirit::qi::omit;
+    using boost::spirit::ascii::char_;
+
+    {
+        BOOST_TEST((test("1234", -int_)));
+        BOOST_TEST((test("abcd", -int_, false)));
+    }
+
+    {   // test propagation of unused
+        using boost::fusion::at_c;
+        using boost::fusion::vector;
+
+        vector<char, char> v;
+        BOOST_TEST((test_attr("a1234c", char_ >> -omit[int_] >> char_, v)));
+        BOOST_TEST((at_c<0>(v) == 'a'));
+        BOOST_TEST((at_c<1>(v) == 'c'));
+
+        v = boost::fusion::vector<char, char>();
+        BOOST_TEST((test_attr("a1234c", char_ >> omit[-int_] >> char_, v)));
+        BOOST_TEST((at_c<0>(v) == 'a'));
+        BOOST_TEST((at_c<1>(v) == 'c'));
+
+        char ch;
+        BOOST_TEST((test_attr(",c", -(',' >> char_), ch)));
+        BOOST_TEST((ch == 'c'));
+    }
+
+    {   // test action
+        boost::optional<int> n = 0;
+        BOOST_TEST((test_attr("1234", (-int_)[test_attribute_type()], n)));
+        BOOST_TEST((n.get() == 1234));
+    }
+
+    {
+        std::string s;
+        BOOST_TEST((test_attr("abc", char_ >> -(char_ >> char_), s)));
+        BOOST_TEST(s == "abc");
+    }
+
+    {
+        namespace phx = boost::phoenix;
+
+        boost::optional<int> n = 0;
+        BOOST_TEST((test("1234", (-int_)[phx::ref(n) = _1])));
+        BOOST_TEST(n.get() == 1234);
+
+        n = boost::optional<int>();
+        BOOST_TEST((test("abcd", (-int_)[phx::ref(n) = _1], false)));
+        BOOST_TEST(!n);
+    }
+
+    {
+        std::vector<adata> v;
+        BOOST_TEST((test_attr("a 1 2 a 2", *("a" >> int_ >> -int_), v
+          , char_(' '))));
+        BOOST_TEST(2 == v.size() && 
+            1 == v[0].a && v[0].b && 2 == *(v[0].b) &&
+            2 == v[1].a && !v[1].b);
+    }
+
+    return boost::report_errors();
+}
-- 
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