Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 113 insertions, 0 deletions

diff --git a/src/boost/libs/spirit/test/x3/optional.cpp b/src/boost/libs/spirit/test/x3/optional.cpp
new file mode 100644
index 00000000..cd7f6d32
--- /dev/null
+++ b/src/boost/libs/spirit/test/x3/optional.cpp
@@ -0,0 +1,113 @@
+/*=============================================================================
+    Copyright (c) 2001-2015 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/home/x3.hpp>
+#include <boost/fusion/adapted/struct.hpp>
+#include <boost/fusion/include/vector.hpp>
+
+#include <iostream>
+#include "test.hpp"
+#include "utils.hpp"
+
+struct adata
+{
+    int a;
+    boost::optional<int> b;
+};
+
+BOOST_FUSION_ADAPT_STRUCT(adata,
+    a, b
+)
+
+struct test_attribute_type
+{
+    template <typename Context>
+    void operator()(Context& ctx) const
+    {
+        BOOST_TEST(typeid(decltype(_attr(ctx))).name() == typeid(boost::optional<int>).name());
+    }
+};
+
+int
+main()
+{
+    using boost::spirit::x3::traits::is_optional;
+
+    static_assert(is_optional<boost::optional<int>>(), "is_optional problem");
+
+    using spirit_test::test;
+    using spirit_test::test_attr;
+
+    using boost::spirit::x3::int_;
+    using boost::spirit::x3::omit;
+    using boost::spirit::x3::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");
+    }
+
+    {
+        boost::optional<int> n = 0;
+        auto f = [&](auto& ctx){ n = _attr(ctx); };
+
+        BOOST_TEST((test("1234", (-int_)[f])));
+        BOOST_TEST(n.get() == 1234);
+
+        n = boost::optional<int>();
+        BOOST_TEST((test("abcd", (-int_)[f], 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);
+    }
+
+    { // test move only types
+        boost::optional<move_only> o;
+        BOOST_TEST(test_attr("s", -synth_move_only, o));
+        BOOST_TEST(o);
+    }
+
+    return boost::report_errors();
+}