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 // UNSUPPORTED: libcpp-no-concepts 11 // UNSUPPORTED: gcc-10 12 13 // template<class R> 14 // concept input_range; 15 16 #include <ranges> 17 18 #include "test_iterators.h" 19 #include "test_range.h" 20 21 namespace stdr = std::ranges; 22 23 static_assert(stdr::input_range<test_range<cpp17_input_iterator> >); 24 static_assert(stdr::input_range<test_range<cpp17_input_iterator> const>); 25 26 static_assert(stdr::input_range<test_range<cpp20_input_iterator> >); 27 static_assert(stdr::input_range<test_range<cpp20_input_iterator> const>); 28 29 static_assert(stdr::input_range<test_non_const_range<cpp17_input_iterator> >); 30 static_assert(stdr::input_range<test_non_const_range<cpp20_input_iterator> >); 31 32 static_assert(!stdr::input_range<test_non_const_range<cpp17_input_iterator> const>); 33 static_assert(!stdr::input_range<test_non_const_range<cpp20_input_iterator> const>); 34 35 static_assert(stdr::input_range<test_common_range<cpp17_input_iterator> >); 36 static_assert(!stdr::input_range<test_common_range<cpp20_input_iterator> >); 37 38 static_assert(stdr::input_range<test_common_range<cpp17_input_iterator> const>); 39 static_assert(!stdr::input_range<test_common_range<cpp20_input_iterator> const>); 40 41 static_assert(stdr::input_range<test_non_const_common_range<cpp17_input_iterator> >); 42 static_assert(!stdr::input_range<test_non_const_common_range<cpp20_input_iterator> >); 43 44 static_assert(!stdr::input_range<test_non_const_common_range<cpp17_input_iterator> const>); 45 static_assert(!stdr::input_range<test_non_const_common_range<cpp20_input_iterator> const>); 46