1 files changed, 44 insertions, 0 deletions

diff --git a/libcxx/test/strings/basic.string/string.cons/alloc.pass.cpp b/libcxx/test/strings/basic.string/string.cons/alloc.pass.cpp
new file mode 100644
index 00000000000..f015f6af8eb
--- /dev/null
+++ b/libcxx/test/strings/basic.string/string.cons/alloc.pass.cpp
@@ -0,0 +1,44 @@
+//===----------------------------------------------------------------------===//
+//
+// ΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚThe LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <string>
+
+// explicit basic_string(const Allocator& a = Allocator());
+
+#include <string>
+#include <cassert>
+
+#include "../test_allocator.h"
+
+template <class S>
+void
+test()
+{
+    {
+    S s;
+    assert(s.__invariants());
+    assert(s.data());
+    assert(s.size() == 0);
+    assert(s.capacity() >= s.size());
+    assert(s.get_allocator() == typename S::allocator_type());
+    }
+    {
+    S s(typename S::allocator_type(5));
+    assert(s.__invariants());
+    assert(s.data());
+    assert(s.size() == 0);
+    assert(s.capacity() >= s.size());
+    assert(s.get_allocator() == typename S::allocator_type(5));
+    }
+}
+
+int main()
+{
+    test<std::basic_string<char, std::char_traits<char>, test_allocator<char> > >();
+}