Implement LWG2221: 'Formatted output for nullptr_t' Reviewed as: https://reviews.llvm.org/D63053

llvm-svn: 364802

1 files changed, 7 insertions, 0 deletions

diff --git a/libcxx/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters/streambuf.pass.cpp b/libcxx/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters/streambuf.pass.cpp
index daf5ba102a8..af411157e9c 100644
--- a/libcxx/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters/streambuf.pass.cpp
+++ b/libcxx/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters/streambuf.pass.cpp
@@ -67,6 +67,13 @@ int main(int, char**)
         os << &sb2;
         assert(sb.str() == "testing...");
     }
+    { // LWG 2221 - nullptr
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        os << nullptr;
+        assert(sb.str().size() != 0);
+        LIBCPP_ASSERT(sb.str() == "nullptr");
+    }
 
   return 0;
 }