libcxx initial import

llvm-svn: 103490

1 files changed, 37 insertions, 0 deletions

diff --git a/libcxx/test/strings/basic.string/string.iterators/rbegin.pass.cpp b/libcxx/test/strings/basic.string/string.iterators/rbegin.pass.cpp
new file mode 100644
index 00000000000..1653136891a
--- /dev/null
+++ b/libcxx/test/strings/basic.string/string.iterators/rbegin.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>
+
+//       reverse_iterator rbegin();
+// const_reverse_iterator rbegin() const;
+
+#include <string>
+#include <cassert>
+
+template <class S>
+void
+test(S s)
+{
+    const S& cs = s;
+    typename S::reverse_iterator b = s.rbegin();
+    typename S::const_reverse_iterator cb = cs.rbegin();
+    if (!s.empty())
+    {
+        assert(*b == s.back());
+    }
+    assert(b == cb);
+}
+
+int main()
+{
+    typedef std::string S;
+    test(S());
+    test(S("123"));
+}