Implement N3421; comparison predicates<void>

llvm-svn: 187357
diff --git a/libcxx/test/utilities/function.objects/bitwise.operations/bit_and.pass.cpp b/libcxx/test/utilities/function.objects/bitwise.operations/bit_and.pass.cpp
index ac10acd..1841232 100644
--- a/libcxx/test/utilities/function.objects/bitwise.operations/bit_and.pass.cpp
+++ b/libcxx/test/utilities/function.objects/bitwise.operations/bit_and.pass.cpp
@@ -25,4 +25,27 @@
     assert(f(0x58D3, 0xEA95) == 0x4891);
     assert(f(0x58D3, 0) == 0);
     assert(f(0xFFFF, 0x58D3) == 0x58D3);
+#if _LIBCPP_STD_VER > 11
+    typedef std::bit_and<> F2;
+    const F2 f2 = F2();
+    assert(f2(0xEA95, 0xEA95) == 0xEA95);
+    assert(f2(0xEA95L, 0xEA95) == 0xEA95);
+    assert(f2(0xEA95, 0xEA95L) == 0xEA95);
+
+    assert(f2(0xEA95, 0x58D3) == 0x4891);
+    assert(f2(0xEA95L, 0x58D3) == 0x4891);
+    assert(f2(0xEA95, 0x58D3L) == 0x4891);
+
+    assert(f2(0x58D3, 0xEA95) == 0x4891);
+    assert(f2(0x58D3L, 0xEA95) == 0x4891);
+    assert(f2(0x58D3, 0xEA95L) == 0x4891);
+
+    assert(f2(0x58D3, 0) == 0);
+    assert(f2(0x58D3L, 0) == 0);
+    assert(f2(0x58D3, 0L) == 0);
+
+    assert(f2(0xFFFF, 0x58D3) == 0x58D3);
+    assert(f2(0xFFFFL, 0x58D3) == 0x58D3);
+    assert(f2(0xFFFF, 0x58D3L) == 0x58D3);
+#endif
 }
diff --git a/libcxx/test/utilities/function.objects/bitwise.operations/bit_not.pass.cpp b/libcxx/test/utilities/function.objects/bitwise.operations/bit_not.pass.cpp
new file mode 100644
index 0000000..2158292
--- /dev/null
+++ b/libcxx/test/utilities/function.objects/bitwise.operations/bit_not.pass.cpp
@@ -0,0 +1,40 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <functional>
+
+// bit_not
+
+#include <functional>
+#include <type_traits>
+#include <cassert>
+
+int main()
+{
+#if _LIBCPP_STD_VER > 11
+    typedef std::bit_not<int> F;
+    const F f = F();
+    static_assert((std::is_base_of<std::unary_function<int, int>, F>::value), "");
+    assert((f(0xEA95) & 0xFFFF ) == 0x156A);
+    assert((f(0x58D3) & 0xFFFF ) == 0xA72C);
+    assert((f(0)      & 0xFFFF ) == 0xFFFF);
+    assert((f(0xFFFF) & 0xFFFF ) == 0);
+
+    typedef std::bit_not<> F2;
+    const F2 f2 = F2();
+    assert((f2(0xEA95)  & 0xFFFF ) == 0x156A);
+    assert((f2(0xEA95L) & 0xFFFF ) == 0x156A);
+    assert((f2(0x58D3)  & 0xFFFF ) == 0xA72C);
+    assert((f2(0x58D3L) & 0xFFFF ) == 0xA72C);
+    assert((f2(0)       & 0xFFFF ) == 0xFFFF);
+    assert((f2(0L)      & 0xFFFF ) == 0xFFFF);
+    assert((f2(0xFFFF)  & 0xFFFF ) == 0);
+    assert((f2(0xFFFFL)  & 0xFFFF ) == 0);
+#endif
+}
diff --git a/libcxx/test/utilities/function.objects/bitwise.operations/bit_or.pass.cpp b/libcxx/test/utilities/function.objects/bitwise.operations/bit_or.pass.cpp
index 6dc3911d..21ada12 100644
--- a/libcxx/test/utilities/function.objects/bitwise.operations/bit_or.pass.cpp
+++ b/libcxx/test/utilities/function.objects/bitwise.operations/bit_or.pass.cpp
@@ -25,4 +25,27 @@
     assert(f(0x58D3, 0xEA95) == 0xFAD7);
     assert(f(0x58D3, 0) == 0x58D3);
     assert(f(0xFFFF, 0x58D3) == 0xFFFF);
+#if _LIBCPP_STD_VER > 11
+    typedef std::bit_or<> F2;
+    const F2 f2 = F2();
+    assert(f2(0xEA95, 0xEA95) == 0xEA95);
+    assert(f2(0xEA95L, 0xEA95) == 0xEA95);
+    assert(f2(0xEA95, 0xEA95L) == 0xEA95);
+
+    assert(f2(0xEA95, 0x58D3) == 0xFAD7);
+    assert(f2(0xEA95L, 0x58D3) == 0xFAD7);
+    assert(f2(0xEA95, 0x58D3L) == 0xFAD7);
+
+    assert(f2(0x58D3, 0xEA95) == 0xFAD7);
+    assert(f2(0x58D3L, 0xEA95) == 0xFAD7);
+    assert(f2(0x58D3, 0xEA95L) == 0xFAD7);
+
+    assert(f2(0x58D3, 0) == 0x58D3);
+    assert(f2(0x58D3L, 0) == 0x58D3);
+    assert(f2(0x58D3, 0L) == 0x58D3);
+
+    assert(f2(0xFFFF, 0x58D3) == 0xFFFF);
+    assert(f2(0xFFFFL, 0x58D3) == 0xFFFF);
+    assert(f2(0xFFFF, 0x58D3L) == 0xFFFF);
+#endif
 }
diff --git a/libcxx/test/utilities/function.objects/bitwise.operations/bit_xor.pass.cpp b/libcxx/test/utilities/function.objects/bitwise.operations/bit_xor.pass.cpp
index c3af462..8417d6e 100644
--- a/libcxx/test/utilities/function.objects/bitwise.operations/bit_xor.pass.cpp
+++ b/libcxx/test/utilities/function.objects/bitwise.operations/bit_xor.pass.cpp
@@ -25,4 +25,27 @@
     assert(f(0x58D3, 0xEA95) == 0xB246);
     assert(f(0x58D3, 0) == 0x58D3);
     assert(f(0xFFFF, 0x58D3) == 0xA72C);
+#if _LIBCPP_STD_VER > 11
+    typedef std::bit_xor<> F2;
+    const F2 f2 = F2();
+    assert(f(0xEA95, 0xEA95) == 0);
+    assert(f(0xEA95L, 0xEA95) == 0);
+    assert(f(0xEA95, 0xEA95L) == 0);
+
+    assert(f(0xEA95, 0x58D3) == 0xB246);
+    assert(f(0xEA95L, 0x58D3) == 0xB246);
+    assert(f(0xEA95, 0x58D3L) == 0xB246);
+
+    assert(f(0x58D3, 0xEA95) == 0xB246);
+    assert(f(0x58D3L, 0xEA95) == 0xB246);
+    assert(f(0x58D3, 0xEA95L) == 0xB246);
+
+    assert(f(0x58D3, 0) == 0x58D3);
+    assert(f(0x58D3L, 0) == 0x58D3);
+    assert(f(0x58D3, 0L) == 0x58D3);
+
+    assert(f(0xFFFF, 0x58D3) == 0xA72C);
+    assert(f(0xFFFFL, 0x58D3) == 0xA72C);
+    assert(f(0xFFFF, 0x58D3L) == 0xA72C);
+#endif
 }