Final bit for LWG #2263; test different allocator pointer types. Note that libc++ already does the right thing here; I've just added tests to ensure that it stays this way.

llvm-svn: 203539

1 files changed, 116 insertions, 0 deletions

diff --git a/libcxx/test/utilities/allocator.adaptor/allocator.adaptor.types/allocator_pointers.pass.cpp b/libcxx/test/utilities/allocator.adaptor/allocator.adaptor.types/allocator_pointers.pass.cpp
new file mode 100644
index 00000000000..537fb90158b
--- /dev/null
+++ b/libcxx/test/utilities/allocator.adaptor/allocator.adaptor.types/allocator_pointers.pass.cpp
@@ -0,0 +1,116 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+#include <scoped_allocator>
+#include <cassert>
+
+#if __cplusplus >= 201103L
+// #include <memory>
+//
+// template <class Alloc>
+// struct allocator_traits
+// {
+//     typedef Alloc                        allocator_type;
+//     typedef typename allocator_type::value_type
+//                                          value_type;
+// 
+//     typedef Alloc::pointer | value_type* pointer;
+//     typedef Alloc::const_pointer
+//           | pointer_traits<pointer>::rebind<const value_type>
+//                                          const_pointer;
+//     typedef Alloc::void_pointer
+//           | pointer_traits<pointer>::rebind<void>
+//                                          void_pointer;
+//     typedef Alloc::const_void_pointer
+//           | pointer_traits<pointer>::rebind<const void>
+//                                          const_void_pointer;
+
+template <typename Alloc>
+void test_pointer()
+{
+     typename std::allocator_traits<Alloc>::pointer        vp;
+     typename std::allocator_traits<Alloc>::const_pointer cvp;
+     
+     static_assert(std::is_same<bool, decltype( vp ==  vp)>::value, "");
+     static_assert(std::is_same<bool, decltype( vp !=  vp)>::value, "");
+     static_assert(std::is_same<bool, decltype( vp >   vp)>::value, "");
+     static_assert(std::is_same<bool, decltype( vp >=  vp)>::value, "");
+     static_assert(std::is_same<bool, decltype( vp <   vp)>::value, "");
+     static_assert(std::is_same<bool, decltype( vp <=  vp)>::value, "");
+
+     static_assert(std::is_same<bool, decltype( vp == cvp)>::value, "");
+     static_assert(std::is_same<bool, decltype(cvp ==  vp)>::value, "");
+     static_assert(std::is_same<bool, decltype( vp != cvp)>::value, "");
+     static_assert(std::is_same<bool, decltype(cvp !=  vp)>::value, "");
+     static_assert(std::is_same<bool, decltype( vp >  cvp)>::value, "");
+     static_assert(std::is_same<bool, decltype(cvp >   vp)>::value, "");
+     static_assert(std::is_same<bool, decltype( vp >= cvp)>::value, "");
+     static_assert(std::is_same<bool, decltype(cvp >=  vp)>::value, "");
+     static_assert(std::is_same<bool, decltype( vp <  cvp)>::value, "");
+     static_assert(std::is_same<bool, decltype(cvp <   vp)>::value, "");
+     static_assert(std::is_same<bool, decltype( vp <= cvp)>::value, "");
+     static_assert(std::is_same<bool, decltype(cvp <=  vp)>::value, "");
+
+     static_assert(std::is_same<bool, decltype(cvp == cvp)>::value, "");
+     static_assert(std::is_same<bool, decltype(cvp != cvp)>::value, "");
+     static_assert(std::is_same<bool, decltype(cvp >  cvp)>::value, "");
+     static_assert(std::is_same<bool, decltype(cvp >= cvp)>::value, "");
+     static_assert(std::is_same<bool, decltype(cvp <  cvp)>::value, "");
+     static_assert(std::is_same<bool, decltype(cvp <= cvp)>::value, "");
+}
+
+template <typename Alloc>
+void test_void_pointer()
+{
+     typename std::allocator_traits<Alloc>::void_pointer        vp;
+     typename std::allocator_traits<Alloc>::const_void_pointer cvp;
+     
+     static_assert(std::is_same<bool, decltype( vp ==  vp)>::value, "");
+     static_assert(std::is_same<bool, decltype( vp !=  vp)>::value, "");
+     static_assert(std::is_same<bool, decltype( vp >   vp)>::value, "");
+     static_assert(std::is_same<bool, decltype( vp >=  vp)>::value, "");
+     static_assert(std::is_same<bool, decltype( vp <   vp)>::value, "");
+     static_assert(std::is_same<bool, decltype( vp <=  vp)>::value, "");
+
+     static_assert(std::is_same<bool, decltype( vp == cvp)>::value, "");
+     static_assert(std::is_same<bool, decltype(cvp ==  vp)>::value, "");
+     static_assert(std::is_same<bool, decltype( vp != cvp)>::value, "");
+     static_assert(std::is_same<bool, decltype(cvp !=  vp)>::value, "");
+     static_assert(std::is_same<bool, decltype( vp >  cvp)>::value, "");
+     static_assert(std::is_same<bool, decltype(cvp >   vp)>::value, "");
+     static_assert(std::is_same<bool, decltype( vp >= cvp)>::value, "");
+     static_assert(std::is_same<bool, decltype(cvp >=  vp)>::value, "");
+     static_assert(std::is_same<bool, decltype( vp <  cvp)>::value, "");
+     static_assert(std::is_same<bool, decltype(cvp <   vp)>::value, "");
+     static_assert(std::is_same<bool, decltype( vp <= cvp)>::value, "");
+     static_assert(std::is_same<bool, decltype(cvp <=  vp)>::value, "");
+
+     static_assert(std::is_same<bool, decltype(cvp == cvp)>::value, "");
+     static_assert(std::is_same<bool, decltype(cvp != cvp)>::value, "");
+     static_assert(std::is_same<bool, decltype(cvp >  cvp)>::value, "");
+     static_assert(std::is_same<bool, decltype(cvp >= cvp)>::value, "");
+     static_assert(std::is_same<bool, decltype(cvp <  cvp)>::value, "");
+     static_assert(std::is_same<bool, decltype(cvp <= cvp)>::value, "");
+}
+
+struct Foo { int x; };
+
+int main()
+{
+	test_pointer<std::scoped_allocator_adaptor<std::allocator<char>>> ();
+	test_pointer<std::scoped_allocator_adaptor<std::allocator<int>>> ();
+	test_pointer<std::scoped_allocator_adaptor<std::allocator<Foo>>> ();
+
+	test_void_pointer<std::scoped_allocator_adaptor<std::allocator<char>>> ();
+	test_void_pointer<std::scoped_allocator_adaptor<std::allocator<int>>> ();
+	test_void_pointer<std::scoped_allocator_adaptor<std::allocator<Foo>>> ();	
+}
+#else
+int main() {}
+#endif