diff options
Diffstat (limited to 'test/std/re/re.traits/lookup_classname.pass.cpp')
| -rw-r--r-- | test/std/re/re.traits/lookup_classname.pass.cpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/test/std/re/re.traits/lookup_classname.pass.cpp b/test/std/re/re.traits/lookup_classname.pass.cpp index 0b1b18eb5077..4f7cf61ebf99 100644 --- a/test/std/re/re.traits/lookup_classname.pass.cpp +++ b/test/std/re/re.traits/lookup_classname.pass.cpp @@ -18,6 +18,7 @@ #include <regex> #include <cassert> +#include "test_macros.h" #include "test_iterators.h" template <class char_type> @@ -33,6 +34,19 @@ test(const char_type* A, int main() { +// if __regex_word is not distinct from all the classes, bad things happen +// See https://llvm.org/bugs/show_bug.cgi?id=26476 for an example. + assert((std::ctype_base::space & std::regex_traits<char>::__regex_word) == 0); + assert((std::ctype_base::print & std::regex_traits<char>::__regex_word) == 0); + assert((std::ctype_base::cntrl & std::regex_traits<char>::__regex_word) == 0); + assert((std::ctype_base::upper & std::regex_traits<char>::__regex_word) == 0); + assert((std::ctype_base::lower & std::regex_traits<char>::__regex_word) == 0); + assert((std::ctype_base::alpha & std::regex_traits<char>::__regex_word) == 0); + assert((std::ctype_base::digit & std::regex_traits<char>::__regex_word) == 0); + assert((std::ctype_base::punct & std::regex_traits<char>::__regex_word) == 0); + assert((std::ctype_base::xdigit & std::regex_traits<char>::__regex_word) == 0); + assert((std::ctype_base::blank & std::regex_traits<char>::__regex_word) == 0); + test("d", std::ctype_base::digit); test("D", std::ctype_base::digit); test("d", std::ctype_base::digit, true); |