1 files changed, 48 insertions, 0 deletions
diff --git a/test/std/utilities/template.bitset/bitset.operators/op_and.pass.cpp b/test/std/utilities/template.bitset/bitset.operators/op_and.pass.cpp
new file mode 100644
index 0000000000000..751cee69102a3
--- /dev/null
+++ b/test/std/utilities/template.bitset/bitset.operators/op_and.pass.cpp
@@ -0,0 +1,48 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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<N> operator&(const bitset<N>& lhs, const bitset<N>& rhs);
+
+#include <bitset>
+#include <cstdlib>
+#include <cassert>
+
+#pragma clang diagnostic ignored "-Wtautological-compare"
+
+template <std::size_t N>
+std::bitset<N>
+make_bitset()
+{
+    std::bitset<N> v;
+    for (std::size_t i = 0; i < N; ++i)
+        v[i] = static_cast<bool>(std::rand() & 1);
+    return v;
+}
+
+template <std::size_t N>
+void test_op_and()
+{
+    std::bitset<N> v1 = make_bitset<N>();
+    std::bitset<N> v2 = make_bitset<N>();
+    std::bitset<N> v3 = v1;
+    assert((v1 & v2) == (v3 &= v2));;
+}
+
+int main()
+{
+    test_op_and<0>();
+    test_op_and<1>();
+    test_op_and<31>();
+    test_op_and<32>();
+    test_op_and<33>();
+    test_op_and<63>();
+    test_op_and<64>();
+    test_op_and<65>();
+    test_op_and<1000>();
+}