begin-end.fail.cpp
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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "test_macros.h"
#if TEST_STD_VER < 11
#error
#else
// <iterator>
// template <class C> auto begin(C& c) -> decltype(c.begin());
// template <class C> auto begin(const C& c) -> decltype(c.begin());
// template <class C> auto end(C& c) -> decltype(c.end());
// template <class C> auto end(const C& c) -> decltype(c.end());
// template <class E> reverse_iterator<const E*> rbegin(initializer_list<E> il);
// template <class E> reverse_iterator<const E*> rend(initializer_list<E> il);
#include <iterator>
#include <cassert>
namespace Foo {
struct FakeContainer {};
typedef int FakeIter;
FakeIter begin(const FakeContainer &) { return 1; }
FakeIter end (const FakeContainer &) { return 2; }
FakeIter rbegin(const FakeContainer &) { return 3; }
FakeIter rend (const FakeContainer &) { return 4; }
FakeIter cbegin(const FakeContainer &) { return 11; }
FakeIter cend (const FakeContainer &) { return 12; }
FakeIter crbegin(const FakeContainer &) { return 13; }
FakeIter crend (const FakeContainer &) { return 14; }
}
int main(int, char**) {
// Bug #28927 - shouldn't find these via ADL
TEST_IGNORE_NODISCARD std::cbegin (Foo::FakeContainer());
TEST_IGNORE_NODISCARD std::cend (Foo::FakeContainer());
TEST_IGNORE_NODISCARD std::crbegin(Foo::FakeContainer());
TEST_IGNORE_NODISCARD std::crend (Foo::FakeContainer());
return 0;
}
#endif