770602cfa0
- Rename test files to follow conventions better - Split constructor tests that were in a single file - Add missing tests for take_view and transform_view's default constructors - Add missing tests for transform_view's view/function constructor - Fix include guards - Mark some tests as being specific to libc++ Differential Revision: https://reviews.llvm.org/D108829
38 lines
1.4 KiB
C++
38 lines
1.4 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// 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
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// UNSUPPORTED: c++03, c++11, c++14, c++17
|
|
// UNSUPPORTED: libcpp-no-concepts
|
|
// UNSUPPORTED: libcpp-has-no-incomplete-ranges
|
|
// REQUIRES: libc++
|
|
|
|
// Test the libc++ specific behavior that we provide a better diagnostic when calling
|
|
// std::ranges::begin on an array of incomplete type.
|
|
|
|
#include <ranges>
|
|
|
|
#include <type_traits>
|
|
|
|
using begin_t = decltype(std::ranges::begin);
|
|
|
|
template <class T> void f() requires std::invocable<begin_t&, T> { }
|
|
template <class T> void f() { }
|
|
|
|
void test() {
|
|
struct incomplete;
|
|
f<incomplete(&)[]>();
|
|
// expected-error@*:* {{"`std::ranges::begin` is SFINAE-unfriendly on arrays of an incomplete type."}}
|
|
f<incomplete(&)[10]>();
|
|
// expected-error@*:* {{"`std::ranges::begin` is SFINAE-unfriendly on arrays of an incomplete type."}}
|
|
f<incomplete(&)[2][2]>();
|
|
// expected-error@*:* {{"`std::ranges::begin` is SFINAE-unfriendly on arrays of an incomplete type."}}
|
|
|
|
// This is okay because calling `std::ranges::begin` on any rvalue is ill-formed.
|
|
f<incomplete(&&)[10]>();
|
|
}
|