Second part of P0482 - char8_t. Reviewed as https://reviews.llvm.org/D55308

llvm-svn: 348828

1 files changed, 8 insertions, 2 deletions

diff --git a/libcxx/test/std/strings/string.classes/typedefs.pass.cpp b/libcxx/test/std/strings/string.classes/typedefs.pass.cpp
index 3aba1c3f15d..15d97123519 100644
--- a/libcxx/test/std/strings/string.classes/typedefs.pass.cpp
+++ b/libcxx/test/std/strings/string.classes/typedefs.pass.cpp
@@ -12,18 +12,24 @@
 // Test for the existence of:
 
 // basic_string typedef names
-// typedef basic_string<char> string;
+// typedef basic_string<char>     string;
 // typedef basic_string<char16_t> u16string;
+// typedef basic_string<char8_t>  u8string;  // C++20
 // typedef basic_string<char32_t> u32string;
-// typedef basic_string<wchar_t> wstring;
+// typedef basic_string<wchar_t>  wstring;
 
 #include <string>
 #include <type_traits>
 
+#include "test_macros.h"
+
 int main()
 {
     static_assert((std::is_same<std::string, std::basic_string<char> >::value), "");
     static_assert((std::is_same<std::wstring, std::basic_string<wchar_t> >::value), "");
+#if defined(__cpp_lib_char8_t) && __cpp_lib_char8_t >= 201811L
+    static_assert((std::is_same<std::u8string, std::basic_string<char8_t> >::value), "");
+#endif
 #ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
     static_assert((std::is_same<std::u16string, std::basic_string<char16_t> >::value), "");
     static_assert((std::is_same<std::u32string, std::basic_string<char32_t> >::value), "");