1 files changed, 42 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/21_strings/basic_string/capacity/wchar_t/shrink_to_fit.cc b/libstdc++-v3/testsuite/21_strings/basic_string/capacity/wchar_t/shrink_to_fit.cc
new file mode 100644
index 000000000..88f7c0ab0
--- /dev/null
+++ b/libstdc++-v3/testsuite/21_strings/basic_string/capacity/wchar_t/shrink_to_fit.cc
@@ -0,0 +1,42 @@
+// { dg-options "-std=gnu++0x" }
+
+// 2010-01-08  Paolo Carlini  <paolo.carlini@oracle.com>
+
+// Copyright (C) 2010 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/>.
+
+#include <string>
+#include <testsuite_hooks.h>
+
+// libstdc++/42573
+void test01()
+{
+  bool test __attribute__((unused)) = true;
+
+  std::wstring s(100, L'a');
+  s.push_back(L'b');
+  s.push_back(L'b');
+  VERIFY( s.size() < s.capacity() );
+  s.shrink_to_fit();
+  VERIFY( s.size() == s.capacity() );
+}
+
+int main()
+{
+  test01();
+  return 0;
+}