begin-end.fail.cpp (1754B)
1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "test_macros.h" 11 12 #if TEST_STD_VER < 11 13 #error 14 #else 15 16 // <iterator> 17 // template <class C> auto begin(C& c) -> decltype(c.begin()); 18 // template <class C> auto begin(const C& c) -> decltype(c.begin()); 19 // template <class C> auto end(C& c) -> decltype(c.end()); 20 // template <class C> auto end(const C& c) -> decltype(c.end()); 21 // template <class E> reverse_iterator<const E*> rbegin(initializer_list<E> il); 22 // template <class E> reverse_iterator<const E*> rend(initializer_list<E> il); 23 24 25 #include <iterator> 26 #include <cassert> 27 28 namespace Foo { 29 struct FakeContainer {}; 30 typedef int FakeIter; 31 32 FakeIter begin(const FakeContainer &) { return 1; } 33 FakeIter end (const FakeContainer &) { return 2; } 34 FakeIter rbegin(const FakeContainer &) { return 3; } 35 FakeIter rend (const FakeContainer &) { return 4; } 36 37 FakeIter cbegin(const FakeContainer &) { return 11; } 38 FakeIter cend (const FakeContainer &) { return 12; } 39 FakeIter crbegin(const FakeContainer &) { return 13; } 40 FakeIter crend (const FakeContainer &) { return 14; } 41 } 42 43 44 int main(){ 45 // Bug #28927 - shouldn't find these via ADL 46 TEST_IGNORE_NODISCARD std::cbegin (Foo::FakeContainer()); 47 TEST_IGNORE_NODISCARD std::cend (Foo::FakeContainer()); 48 TEST_IGNORE_NODISCARD std::crbegin(Foo::FakeContainer()); 49 TEST_IGNORE_NODISCARD std::crend (Foo::FakeContainer()); 50 } 51 #endif