2 files changed, 9 insertions, 0 deletions
diff --git a/libcxx/test/std/strings/string.view/string.view.access/data.pass.cpp b/libcxx/test/std/strings/string.view/string.view.access/data.pass.cpp
index 7b2350923bb..a179cfa1c4a 100644
--- a/libcxx/test/std/strings/string.view/string.view.access/data.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.access/data.pass.cpp
@@ -22,6 +22,10 @@ void test ( const CharT *s, size_t len ) {
     std::basic_string_view<CharT> sv ( s, len );
     assert ( sv.length() == len );
     assert ( sv.data() == s );
+#if TEST_STD_VER > 14
+//  make sure we pick up std::data, too!
+    assert ( sv.data() == std::data(sv));
+#endif
     }
 
 int main () {
diff --git a/libcxx/test/std/strings/string.view/string.view.capacity/capacity.pass.cpp b/libcxx/test/std/strings/string.view/string.view.capacity/capacity.pass.cpp
index bb733c4fb13..b21ba0422fd 100644
--- a/libcxx/test/std/strings/string.view/string.view.capacity/capacity.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.capacity/capacity.pass.cpp
@@ -55,6 +55,11 @@ void test2 ( const CharT *s, size_t len ) {
     assert ( sv1.empty() == (len == 0));
     assert ( sv1.size() == sv1.length());
     assert ( sv1.max_size() > sv1.size());
+#if TEST_STD_VER > 14
+//  make sure we pick up std::size, too!
+    assert ( sv1.size() == std::size(sv1));
+    assert ( sv1.empty() == std::empty(sv1));
+#endif
     }
 }