summaryrefslogtreecommitdiff
path: root/test/std/utilities/function.objects/comparisons/less_equal.pass.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'test/std/utilities/function.objects/comparisons/less_equal.pass.cpp')
-rw-r--r--test/std/utilities/function.objects/comparisons/less_equal.pass.cpp45
1 files changed, 45 insertions, 0 deletions
diff --git a/test/std/utilities/function.objects/comparisons/less_equal.pass.cpp b/test/std/utilities/function.objects/comparisons/less_equal.pass.cpp
new file mode 100644
index 0000000000000..e6ba1f7f8a212
--- /dev/null
+++ b/test/std/utilities/function.objects/comparisons/less_equal.pass.cpp
@@ -0,0 +1,45 @@
+//===----------------------------------------------------------------------===//
+//
+// 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>
+
+// less_equal
+
+#include <functional>
+#include <type_traits>
+#include <cassert>
+
+int main()
+{
+ typedef std::less_equal<int> F;
+ const F f = F();
+ static_assert((std::is_same<int, F::first_argument_type>::value), "" );
+ static_assert((std::is_same<int, F::second_argument_type>::value), "" );
+ static_assert((std::is_same<bool, F::result_type>::value), "" );
+ assert(f(36, 36));
+ assert(!f(36, 6));
+ assert(f(6, 36));
+#if _LIBCPP_STD_VER > 11
+ typedef std::less_equal<> F2;
+ const F2 f2 = F2();
+ assert( f2(36, 36));
+ assert(!f2(36, 6));
+ assert( f2(6, 36));
+ assert(!f2(36, 6.0));
+ assert(!f2(36.0, 6));
+ assert( f2(6, 36.0));
+ assert( f2(6.0, 36));
+
+ constexpr bool foo = std::less_equal<int> () (36, 36);
+ static_assert ( foo, "" );
+
+ constexpr bool bar = std::less_equal<> () (36.0, 36);
+ static_assert ( bar, "" );
+#endif
+}