Adding upstream version 14.2.21.upstream/14.2.21upstream

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

1 files changed, 42 insertions, 0 deletions

diff --git a/src/boost/libs/spirit/test/x3/lexeme.cpp b/src/boost/libs/spirit/test/x3/lexeme.cpp
new file mode 100644
index 00000000..f8962e52
--- /dev/null
+++ b/src/boost/libs/spirit/test/x3/lexeme.cpp
@@ -0,0 +1,42 @@
+/*=============================================================================
+    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 <iostream>
+#include "test.hpp"
+
+int
+main()
+{
+    using spirit_test::test;
+    using boost::spirit::x3::ascii::space;
+    using boost::spirit::x3::ascii::space_type;
+    using boost::spirit::x3::ascii::digit;
+    using boost::spirit::x3::lexeme;
+    using boost::spirit::x3::rule;
+
+    {
+        BOOST_TEST((test(" 1 2 3 4 5", +digit, space)));
+        BOOST_TEST((!test(" 1 2 3 4 5", lexeme[+digit], space)));
+        BOOST_TEST((test(" 12345", lexeme[+digit], space)));
+        BOOST_TEST((test(" 12345  ", lexeme[+digit], space, false)));
+
+        // lexeme collapsing
+        BOOST_TEST((!test(" 1 2 3 4 5", lexeme[lexeme[+digit]], space)));
+        BOOST_TEST((test(" 12345", lexeme[lexeme[+digit]], space)));
+        BOOST_TEST((test(" 12345  ", lexeme[lexeme[+digit]], space, false)));
+
+        auto r = +digit;
+        auto rr = lexeme[r];
+
+        BOOST_TEST((!test(" 1 2 3 4 5", rr, space)));
+        BOOST_TEST((test(" 12345", rr, space)));
+    }
+
+    return boost::report_errors();
+}