forked from mirror/libcxx
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
71 lines
2.2 KiB
C++
71 lines
2.2 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is dual licensed under the MIT and the University of Illinois Open
|
|
// Source Licenses. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// <algorithm>
|
|
|
|
// template <class InputIterator, class Predicate>
|
|
// constpexr bool // constexpr after C++17
|
|
// any_of(InputIterator first, InputIterator last, Predicate pred);
|
|
|
|
#include <algorithm>
|
|
#include <cassert>
|
|
|
|
#include "test_macros.h"
|
|
#include "test_iterators.h"
|
|
|
|
struct test1
|
|
{
|
|
TEST_CONSTEXPR bool operator()(const int& i) const
|
|
{
|
|
return i % 2 == 0;
|
|
}
|
|
};
|
|
|
|
#if TEST_STD_VER > 17
|
|
TEST_CONSTEXPR bool test_constexpr() {
|
|
int ia[] = {2, 4, 6, 8};
|
|
int ib[] = {1, 3, 5, 7};
|
|
return std::any_of(std::begin(ia), std::end(ia), test1())
|
|
&& !std::any_of(std::begin(ib), std::end(ib), test1())
|
|
;
|
|
}
|
|
#endif
|
|
|
|
int main()
|
|
{
|
|
{
|
|
int ia[] = {2, 4, 6, 8};
|
|
const unsigned sa = sizeof(ia)/sizeof(ia[0]);
|
|
assert(std::any_of(input_iterator<const int*>(ia),
|
|
input_iterator<const int*>(ia + sa), test1()) == true);
|
|
assert(std::any_of(input_iterator<const int*>(ia),
|
|
input_iterator<const int*>(ia), test1()) == false);
|
|
}
|
|
{
|
|
const int ia[] = {2, 4, 5, 8};
|
|
const unsigned sa = sizeof(ia)/sizeof(ia[0]);
|
|
assert(std::any_of(input_iterator<const int*>(ia),
|
|
input_iterator<const int*>(ia + sa), test1()) == true);
|
|
assert(std::any_of(input_iterator<const int*>(ia),
|
|
input_iterator<const int*>(ia), test1()) == false);
|
|
}
|
|
{
|
|
const int ia[] = {1, 3, 5, 7};
|
|
const unsigned sa = sizeof(ia)/sizeof(ia[0]);
|
|
assert(std::any_of(input_iterator<const int*>(ia),
|
|
input_iterator<const int*>(ia + sa), test1()) == false);
|
|
assert(std::any_of(input_iterator<const int*>(ia),
|
|
input_iterator<const int*>(ia), test1()) == false);
|
|
}
|
|
|
|
#if TEST_STD_VER > 17
|
|
static_assert(test_constexpr());
|
|
#endif
|
|
}
|