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 // <algorithm> 10 11 // template <class InputIterator, class Predicate> 12 // constexpr bool // constexpr after C++17 13 // any_of(InputIterator first, InputIterator last, Predicate pred); 14 15 #include <algorithm> 16 #include <cassert> 17 18 #include "test_macros.h" 19 #include "test_iterators.h" 20 21 struct test1 22 { 23 TEST_CONSTEXPR bool operator()(const int& i) const 24 { 25 return i % 2 == 0; 26 } 27 }; 28 29 #if TEST_STD_VER > 17 30 TEST_CONSTEXPR bool test_constexpr() { 31 int ia[] = {2, 4, 6, 8}; 32 int ib[] = {1, 3, 5, 7}; 33 return std::any_of(std::begin(ia), std::end(ia), test1()) 34 && !std::any_of(std::begin(ib), std::end(ib), test1()) 35 ; 36 } 37 #endif 38 39 int main(int, char**) 40 { 41 { 42 int ia[] = {2, 4, 6, 8}; 43 const unsigned sa = sizeof(ia)/sizeof(ia[0]); 44 assert(std::any_of(input_iterator<const int*>(ia), 45 input_iterator<const int*>(ia + sa), test1()) == true); 46 assert(std::any_of(input_iterator<const int*>(ia), 47 input_iterator<const int*>(ia), test1()) == false); 48 } 49 { 50 const int ia[] = {2, 4, 5, 8}; 51 const unsigned sa = sizeof(ia)/sizeof(ia[0]); 52 assert(std::any_of(input_iterator<const int*>(ia), 53 input_iterator<const int*>(ia + sa), test1()) == true); 54 assert(std::any_of(input_iterator<const int*>(ia), 55 input_iterator<const int*>(ia), test1()) == false); 56 } 57 { 58 const int ia[] = {1, 3, 5, 7}; 59 const unsigned sa = sizeof(ia)/sizeof(ia[0]); 60 assert(std::any_of(input_iterator<const int*>(ia), 61 input_iterator<const int*>(ia + sa), test1()) == false); 62 assert(std::any_of(input_iterator<const int*>(ia), 63 input_iterator<const int*>(ia), test1()) == false); 64 } 65 66 #if TEST_STD_VER > 17 67 static_assert(test_constexpr()); 68 #endif 69 70 return 0; 71 } 72