1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // UNSUPPORTED: c++03, c++11, c++14, c++17 10 11 // template<class R> 12 // concept input_range; 13 14 #include <ranges> 15 16 #include "test_iterators.h" 17 #include "test_range.h" 18 19 static_assert(std::ranges::input_range<test_range<cpp17_input_iterator> >); 20 static_assert(std::ranges::input_range<test_range<cpp17_input_iterator> const>); 21 22 static_assert(std::ranges::input_range<test_range<cpp20_input_iterator> >); 23 static_assert(std::ranges::input_range<test_range<cpp20_input_iterator> const>); 24 25 static_assert(std::ranges::input_range<test_non_const_range<cpp17_input_iterator> >); 26 static_assert(std::ranges::input_range<test_non_const_range<cpp20_input_iterator> >); 27 28 static_assert(!std::ranges::input_range<test_non_const_range<cpp17_input_iterator> const>); 29 static_assert(!std::ranges::input_range<test_non_const_range<cpp20_input_iterator> const>); 30 31 static_assert(std::ranges::input_range<test_common_range<forward_iterator> >); 32 static_assert(!std::ranges::input_range<test_common_range<cpp20_input_iterator> >); 33 34 static_assert(std::ranges::input_range<test_common_range<forward_iterator> const>); 35 static_assert(!std::ranges::input_range<test_common_range<cpp20_input_iterator> const>); 36 37 static_assert(std::ranges::input_range<test_non_const_common_range<forward_iterator> >); 38 static_assert(!std::ranges::input_range<test_non_const_common_range<cpp20_input_iterator> >); 39 40 static_assert(!std::ranges::input_range<test_non_const_common_range<forward_iterator> const>); 41 static_assert(!std::ranges::input_range<test_non_const_common_range<cpp20_input_iterator> const>); 42 43 // Test ADL-proofing. 44 struct Incomplete; 45 template<class T> struct Holder { T t; }; 46 47 static_assert(!std::ranges::input_range<Holder<Incomplete>*>); 48 static_assert(!std::ranges::input_range<Holder<Incomplete>*&>); 49 static_assert(!std::ranges::input_range<Holder<Incomplete>*&&>); 50 static_assert(!std::ranges::input_range<Holder<Incomplete>* const>); 51 static_assert(!std::ranges::input_range<Holder<Incomplete>* const&>); 52 static_assert(!std::ranges::input_range<Holder<Incomplete>* const&&>); 53 54 static_assert( std::ranges::input_range<Holder<Incomplete>*[10]>); 55 static_assert( std::ranges::input_range<Holder<Incomplete>*(&)[10]>); 56 static_assert( std::ranges::input_range<Holder<Incomplete>*(&&)[10]>); 57 static_assert( std::ranges::input_range<Holder<Incomplete>* const[10]>); 58 static_assert( std::ranges::input_range<Holder<Incomplete>* const(&)[10]>); 59 static_assert( std::ranges::input_range<Holder<Incomplete>* const(&&)[10]>); 60