1 files changed, 37 insertions, 0 deletions

diff --git a/libcxx/test/strings/basic.string/string.cons/copy.pass.cpp b/libcxx/test/strings/basic.string/string.cons/copy.pass.cpp
new file mode 100644
index 00000000000..2c68fbd2e4a
--- /dev/null
+++ b/libcxx/test/strings/basic.string/string.cons/copy.pass.cpp
@@ -0,0 +1,37 @@
+//===----------------------------------------------------------------------===//
+//
+// ΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚThe LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <string>
+
+// basic_string(const basic_string<charT,traits,Allocator>& str);
+
+#include <string>
+#include <cassert>
+
+#include "../test_allocator.h"
+
+template <class S>
+void
+test(S s1)
+{
+    S s2 = s1;
+    assert(s2.__invariants());
+    assert(s2 == s1);
+    assert(s2.capacity() >= s2.size());
+    assert(s2.get_allocator() == s1.get_allocator());
+}
+
+int main()
+{
+    typedef test_allocator<char> A;
+    typedef std::basic_string<char, std::char_traits<char>, A> S;
+    test(S(A(3)));
+    test(S("1", A(5)));
+    test(S("1234567890123456789012345678901234567890123456789012345678901234567890", A(7)));
+}