libcxx initial import

llvm-svn: 103490

1 files changed, 30 insertions, 0 deletions

diff --git a/libcxx/test/utilities/tuple/tuple.tuple/tuple.cnstr/const_pair.pass.cpp b/libcxx/test/utilities/tuple/tuple.tuple/tuple.cnstr/const_pair.pass.cpp
new file mode 100644
index 00000000000..91b14f5c7be
--- /dev/null
+++ b/libcxx/test/utilities/tuple/tuple.tuple/tuple.cnstr/const_pair.pass.cpp
@@ -0,0 +1,30 @@
+//===----------------------------------------------------------------------===//
+//
+// ΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚThe LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <tuple>
+
+// template <class... Types> class tuple;
+
+// template <class U1, class U2> tuple(const pair<U1, U2>& u);
+
+#include <tuple>
+#include <utility>
+#include <cassert>
+
+int main()
+{
+    {
+        typedef std::pair<double, char> T0;
+        typedef std::tuple<int, short> T1;
+        T0 t0(2.5, 'a');
+        T1 t1 = t0;
+        assert(std::get<0>(t1) == 2);
+        assert(std::get<1>(t1) == short('a'));
+    }
+}