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
}