Imported Upstream version 1.72.0

[platform/upstream/boost.git] / libs / spirit / test / x3 / char_class.cpp

diff --git a/libs/spirit/test/x3/char_class.cpp b/libs/spirit/test/x3/char_class.cpp
index b204e37..a151d5c 100644 (file)
--- a/libs/spirit/test/x3/char_class.cpp
+++ b/libs/spirit/test/x3/char_class.cpp
@@ -19,6 +19,7 @@ int
 main()
 {
     using spirit_test::test;
+    using spirit_test::test_failure;
     using spirit_test::test_attr;
 
     using boost::spirit::x3::unused_type;
@@ -189,11 +190,21 @@ main()
         BOOST_TEST(!test(L" ", braille));
         BOOST_TEST(test(L" ", ~braille));
         // $$$ TODO $$$ Add more unicode tests
+    }
 
-        // TODO: these tests are suspicious, they do not test unicode
-        BOOST_TEST(test("\xE9", alpha));
-        BOOST_TEST(test("\xE9", lower));
-        BOOST_TEST(!test("\xE9", upper));
+    {   // test invalid unicode literals
+        using namespace boost::spirit::x3::unicode;
+
+        auto const invalid_unicode = char32_t{0x7FFFFFFF};
+        auto const input           = boost::u32string_view(&invalid_unicode, 1);
+
+        BOOST_TEST(test_failure(input, char_));
+
+        // force unicode category lookup
+        // related issue: https://github.com/boostorg/spirit/issues/524
+        BOOST_TEST(test_failure(input, alpha));
+        BOOST_TEST(test_failure(input, upper));
+        BOOST_TEST(test_failure(input, lower));
     }
 
     {   // test attribute extraction