2 files changed, 80 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/21_strings/basic_string/operations/data/char/2.cc b/libstdc++-v3/testsuite/21_strings/basic_string/operations/data/char/2.cc
new file mode 100644
index 00000000000..7608a0dcb4f
--- /dev/null
+++ b/libstdc++-v3/testsuite/21_strings/basic_string/operations/data/char/2.cc
@@ -0,0 +1,40 @@
+// Copyright (C) 2016 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+// { dg-options "-std=gnu++17" }
+
+// C++17 21.3.1.7 [string.ops] string operations
+
+#include <string>
+#include <testsuite_hooks.h>
+
+void
+test01()
+{
+  std::string s;
+  char* p = s.data();
+  VERIFY( *p == '\0' );
+  s = "a string that is longer than a short string";
+  p = s.data();
+  VERIFY( p == &s.front() );
+}
+
+int
+main()
+{
+  test01();
+}
diff --git a/libstdc++-v3/testsuite/21_strings/basic_string/operations/data/wchar_t/2.cc b/libstdc++-v3/testsuite/21_strings/basic_string/operations/data/wchar_t/2.cc
new file mode 100644
index 00000000000..3c977e05464
--- /dev/null
+++ b/libstdc++-v3/testsuite/21_strings/basic_string/operations/data/wchar_t/2.cc
@@ -0,0 +1,40 @@
+// Copyright (C) 2016 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+// { dg-options "-std=gnu++17" }
+
+// C++17 21.3.1.7 [string.ops] string operations
+
+#include <string>
+#include <testsuite_hooks.h>
+
+void
+test01()
+{
+  std::wstring s;
+  wchar_t* p = s.data();
+  VERIFY( *p == L'\0' );
+  s = L"a string that is longer than a short string";
+  p = s.data();
+  VERIFY( p == &s.front() );
+}
+
+int
+main()
+{
+  test01();
+}