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//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// <algorithm>
// template<ForwardIterator Iter, class T>
// requires OutputIterator<Iter, const T&>
// constexpr void // constexpr after C++17
// fill(Iter first, Iter last, const T& value);
#include <algorithm>
#include <cassert>
#include "test_macros.h"
#include "test_iterators.h"
#if TEST_STD_VER > 17
TEST_CONSTEXPR bool test_constexpr() {
int ia[] = {0, 1, 2, 3, 4};
std::fill(std::begin(ia), std::end(ia), 5);
return std::all_of(std::begin(ia), std::end(ia), [](int a) {return a == 5; })
;
}
#endif
template <class Iter>
void
test_char()
{
const unsigned n = 4;
char ca[n] = {0};
std::fill(Iter(ca), Iter(ca+n), char(1));
assert(ca[0] == 1);
assert(ca[1] == 1);
assert(ca[2] == 1);
assert(ca[3] == 1);
}
template <class Iter>
void
test_int()
{
const unsigned n = 4;
int ia[n] = {0};
std::fill(Iter(ia), Iter(ia+n), 1);
assert(ia[0] == 1);
assert(ia[1] == 1);
assert(ia[2] == 1);
assert(ia[3] == 1);
}
int main()
{
test_char<forward_iterator<char*> >();
test_char<bidirectional_iterator<char*> >();
test_char<random_access_iterator<char*> >();
test_char<char*>();
test_int<forward_iterator<int*> >();
test_int<bidirectional_iterator<int*> >();
test_int<random_access_iterator<int*> >();
test_int<int*>();
#if TEST_STD_VER > 17
static_assert(test_constexpr());
#endif
}
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