1 files changed, 196 insertions, 0 deletions

diff --git a/libcxx/test/utilities/tuple/tuple.tuple/tuple.rel/lt.pass.cpp b/libcxx/test/utilities/tuple/tuple.tuple/tuple.rel/lt.pass.cpp
new file mode 100644
index 00000000000..4ebaf6f162d
--- /dev/null
+++ b/libcxx/test/utilities/tuple/tuple.tuple/tuple.rel/lt.pass.cpp
@@ -0,0 +1,196 @@
+//===----------------------------------------------------------------------===//
+//
+// 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... TTypes, class... UTypes>
+//   bool
+//   operator<(const tuple<TTypes...>& t, const tuple<UTypes...>& u);
+//
+// template<class... TTypes, class... UTypes>
+//   bool
+//   operator>(const tuple<TTypes...>& t, const tuple<UTypes...>& u);
+//
+// template<class... TTypes, class... UTypes>
+//   bool
+//   operator<=(const tuple<TTypes...>& t, const tuple<UTypes...>& u);
+//
+// template<class... TTypes, class... UTypes>
+//   bool
+//   operator>=(const tuple<TTypes...>& t, const tuple<UTypes...>& u);
+
+#include <tuple>
+#include <string>
+#include <cassert>
+
+int main()
+{
+    {
+        typedef std::tuple<> T1;
+        typedef std::tuple<> T2;
+        const T1 t1;
+        const T2 t2;
+        assert(!(t1 <  t2));
+        assert( (t1 <= t2));
+        assert(!(t1 >  t2));
+        assert( (t1 >= t2));
+    }
+    {
+        typedef std::tuple<char> T1;
+        typedef std::tuple<double> T2;
+        const T1 t1(1);
+        const T2 t2(1);
+        assert(!(t1 <  t2));
+        assert( (t1 <= t2));
+        assert(!(t1 >  t2));
+        assert( (t1 >= t2));
+    }
+    {
+        typedef std::tuple<char> T1;
+        typedef std::tuple<double> T2;
+        const T1 t1(1);
+        const T2 t2(0.9);
+        assert(!(t1 <  t2));
+        assert(!(t1 <= t2));
+        assert( (t1 >  t2));
+        assert( (t1 >= t2));
+    }
+    {
+        typedef std::tuple<char> T1;
+        typedef std::tuple<double> T2;
+        const T1 t1(1);
+        const T2 t2(1.1);
+        assert( (t1 <  t2));
+        assert( (t1 <= t2));
+        assert(!(t1 >  t2));
+        assert(!(t1 >= t2));
+    }
+    {
+        typedef std::tuple<char, int> T1;
+        typedef std::tuple<double, char> T2;
+        const T1 t1(1, 2);
+        const T2 t2(1, 2);
+        assert(!(t1 <  t2));
+        assert( (t1 <= t2));
+        assert(!(t1 >  t2));
+        assert( (t1 >= t2));
+    }
+    {
+        typedef std::tuple<char, int> T1;
+        typedef std::tuple<double, char> T2;
+        const T1 t1(1, 2);
+        const T2 t2(0.9, 2);
+        assert(!(t1 <  t2));
+        assert(!(t1 <= t2));
+        assert( (t1 >  t2));
+        assert( (t1 >= t2));
+    }
+    {
+        typedef std::tuple<char, int> T1;
+        typedef std::tuple<double, char> T2;
+        const T1 t1(1, 2);
+        const T2 t2(1.1, 2);
+        assert( (t1 <  t2));
+        assert( (t1 <= t2));
+        assert(!(t1 >  t2));
+        assert(!(t1 >= t2));
+    }
+    {
+        typedef std::tuple<char, int> T1;
+        typedef std::tuple<double, char> T2;
+        const T1 t1(1, 2);
+        const T2 t2(1, 1);
+        assert(!(t1 <  t2));
+        assert(!(t1 <= t2));
+        assert( (t1 >  t2));
+        assert( (t1 >= t2));
+    }
+    {
+        typedef std::tuple<char, int> T1;
+        typedef std::tuple<double, char> T2;
+        const T1 t1(1, 2);
+        const T2 t2(1, 3);
+        assert( (t1 <  t2));
+        assert( (t1 <= t2));
+        assert(!(t1 >  t2));
+        assert(!(t1 >= t2));
+    }
+    {
+        typedef std::tuple<char, int, double> T1;
+        typedef std::tuple<double, char, int> T2;
+        const T1 t1(1, 2, 3);
+        const T2 t2(1, 2, 3);
+        assert(!(t1 <  t2));
+        assert( (t1 <= t2));
+        assert(!(t1 >  t2));
+        assert( (t1 >= t2));
+    }
+    {
+        typedef std::tuple<char, int, double> T1;
+        typedef std::tuple<double, char, int> T2;
+        const T1 t1(1, 2, 3);
+        const T2 t2(0.9, 2, 3);
+        assert(!(t1 <  t2));
+        assert(!(t1 <= t2));
+        assert( (t1 >  t2));
+        assert( (t1 >= t2));
+    }
+    {
+        typedef std::tuple<char, int, double> T1;
+        typedef std::tuple<double, char, int> T2;
+        const T1 t1(1, 2, 3);
+        const T2 t2(1.1, 2, 3);
+        assert( (t1 <  t2));
+        assert( (t1 <= t2));
+        assert(!(t1 >  t2));
+        assert(!(t1 >= t2));
+    }
+    {
+        typedef std::tuple<char, int, double> T1;
+        typedef std::tuple<double, char, int> T2;
+        const T1 t1(1, 2, 3);
+        const T2 t2(1, 1, 3);
+        assert(!(t1 <  t2));
+        assert(!(t1 <= t2));
+        assert( (t1 >  t2));
+        assert( (t1 >= t2));
+    }
+    {
+        typedef std::tuple<char, int, double> T1;
+        typedef std::tuple<double, char, int> T2;
+        const T1 t1(1, 2, 3);
+        const T2 t2(1, 3, 3);
+        assert( (t1 <  t2));
+        assert( (t1 <= t2));
+        assert(!(t1 >  t2));
+        assert(!(t1 >= t2));
+    }
+    {
+        typedef std::tuple<char, int, double> T1;
+        typedef std::tuple<double, char, int> T2;
+        const T1 t1(1, 2, 3);
+        const T2 t2(1, 2, 2);
+        assert(!(t1 <  t2));
+        assert(!(t1 <= t2));
+        assert( (t1 >  t2));
+        assert( (t1 >= t2));
+    }
+    {
+        typedef std::tuple<char, int, double> T1;
+        typedef std::tuple<double, char, int> T2;
+        const T1 t1(1, 2, 3);
+        const T2 t2(1, 2, 4);
+        assert( (t1 <  t2));
+        assert( (t1 <= t2));
+        assert(!(t1 >  t2));
+        assert(!(t1 >= t2));
+    }
+}