1 files changed, 42 insertions, 0 deletions
diff --git a/test/std/utilities/template.bitset/bitset.cons/ull_ctor.pass.cpp b/test/std/utilities/template.bitset/bitset.cons/ull_ctor.pass.cpp
new file mode 100644
index 0000000000000..023fedc258393
--- /dev/null
+++ b/test/std/utilities/template.bitset/bitset.cons/ull_ctor.pass.cpp
@@ -0,0 +1,42 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// test bitset(unsigned long long val);
+
+#include <bitset>
+#include <cassert>
+
+#pragma clang diagnostic ignored "-Wtautological-compare"
+
+template <std::size_t N>
+void test_val_ctor()
+{
+    {
+    _LIBCPP_CONSTEXPR std::bitset<N> v(0xAAAAAAAAAAAAAAAAULL);
+    assert(v.size() == N);
+    unsigned M = std::min<std::size_t>(N, 64);
+    for (std::size_t i = 0; i < M; ++i)
+        assert(v[i] == (i & 1));
+    for (std::size_t i = M; i < N; ++i)
+        assert(v[i] == false);
+    }
+}
+
+int main()
+{
+    test_val_ctor<0>();
+    test_val_ctor<1>();
+    test_val_ctor<31>();
+    test_val_ctor<32>();
+    test_val_ctor<33>();
+    test_val_ctor<63>();
+    test_val_ctor<64>();
+    test_val_ctor<65>();
+    test_val_ctor<1000>();
+}