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// Range v3 library
//
// Copyright Eric Niebler 2014-present
//
// Use, modification and distribution is subject to the
// Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
// Project home: https://github.com/ericniebler/range-v3
//===----------------------------------------------------------------------===//
//
// 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.
//
//===----------------------------------------------------------------------===//
#include <range/v3/core.hpp>
#include <range/v3/algorithm/find_first_of.hpp>
#include "../simple_test.hpp"
#include "../test_iterators.hpp"
#include "../test_utils.hpp"
namespace rng = ranges;
void test_iter()
{
using namespace ranges;
int ia[] = {0, 1, 2, 3, 0, 1, 2, 3};
static constexpr auto sa = size(ia);
int ib[] = {1, 3, 5, 7};
static constexpr auto sb = size(ib);
CHECK(rng::find_first_of(InputIterator<const int*>(ia),
Sentinel<const int*>(ia + sa),
ForwardIterator<const int*>(ib),
Sentinel<const int*>(ib + sb)) ==
InputIterator<const int*>(ia+1));
int ic[] = {7};
CHECK(rng::find_first_of(InputIterator<const int*>(ia),
Sentinel<const int*>(ia + sa),
ForwardIterator<const int*>(ic),
Sentinel<const int*>(ic + 1)) ==
InputIterator<const int*>(ia+sa));
CHECK(rng::find_first_of(InputIterator<const int*>(ia),
Sentinel<const int*>(ia + sa),
ForwardIterator<const int*>(ic),
Sentinel<const int*>(ic)) ==
InputIterator<const int*>(ia+sa));
CHECK(rng::find_first_of(InputIterator<const int*>(ia),
Sentinel<const int*>(ia),
ForwardIterator<const int*>(ic),
Sentinel<const int*>(ic+1)) ==
InputIterator<const int*>(ia));
}
void test_iter_pred()
{
using namespace ranges;
int ia[] = {0, 1, 2, 3, 0, 1, 2, 3};
static constexpr auto sa = size(ia);
int ib[] = {1, 3, 5, 7};
static constexpr auto sb = size(ib);
CHECK(rng::find_first_of(InputIterator<const int*>(ia),
Sentinel<const int*>(ia + sa),
ForwardIterator<const int*>(ib),
Sentinel<const int*>(ib + sb),
std::equal_to<int>()) ==
InputIterator<const int*>(ia+1));
int ic[] = {7};
CHECK(rng::find_first_of(InputIterator<const int*>(ia),
Sentinel<const int*>(ia + sa),
ForwardIterator<const int*>(ic),
Sentinel<const int*>(ic + 1),
std::equal_to<int>()) ==
InputIterator<const int*>(ia+sa));
CHECK(rng::find_first_of(InputIterator<const int*>(ia),
Sentinel<const int*>(ia + sa),
ForwardIterator<const int*>(ic),
Sentinel<const int*>(ic),
std::equal_to<int>()) ==
InputIterator<const int*>(ia+sa));
CHECK(rng::find_first_of(InputIterator<const int*>(ia),
Sentinel<const int*>(ia),
ForwardIterator<const int*>(ic),
Sentinel<const int*>(ic+1),
std::equal_to<int>()) ==
InputIterator<const int*>(ia));
}
void test_rng()
{
using namespace ranges;
int ia[] = {0, 1, 2, 3, 0, 1, 2, 3};
static constexpr auto sa = size(ia);
int ib[] = {1, 3, 5, 7};
static constexpr auto sb = size(ib);
CHECK(rng::find_first_of(make_subrange(InputIterator<const int*>(ia),
InputIterator<const int*>(ia + sa)),
make_subrange(ForwardIterator<const int*>(ib),
ForwardIterator<const int*>(ib + sb))) ==
InputIterator<const int*>(ia+1));
CHECK(::is_dangling(rng::find_first_of(::MakeTestRange(InputIterator<const int*>(ia),
InputIterator<const int*>(ia + sa)),
make_subrange(ForwardIterator<const int*>(ib),
ForwardIterator<const int*>(ib + sb)))));
int ic[] = {7};
CHECK(rng::find_first_of(make_subrange(InputIterator<const int*>(ia),
InputIterator<const int*>(ia + sa)),
make_subrange(ForwardIterator<const int*>(ic),
ForwardIterator<const int*>(ic + 1))) ==
InputIterator<const int*>(ia+sa));
CHECK(rng::find_first_of(make_subrange(InputIterator<const int*>(ia),
InputIterator<const int*>(ia + sa)),
make_subrange(ForwardIterator<const int*>(ic),
ForwardIterator<const int*>(ic))) ==
InputIterator<const int*>(ia+sa));
CHECK(rng::find_first_of(make_subrange(InputIterator<const int*>(ia),
InputIterator<const int*>(ia)),
make_subrange(ForwardIterator<const int*>(ic),
ForwardIterator<const int*>(ic+1))) ==
InputIterator<const int*>(ia));
CHECK(::is_dangling(rng::find_first_of(::MakeTestRange(InputIterator<const int*>(ia),
InputIterator<const int*>(ia + sa)),
make_subrange(ForwardIterator<const int*>(ic),
ForwardIterator<const int*>(ic + 1)))));
CHECK(::is_dangling(rng::find_first_of(::MakeTestRange(InputIterator<const int*>(ia),
InputIterator<const int*>(ia + sa)),
make_subrange(ForwardIterator<const int*>(ic),
ForwardIterator<const int*>(ic)))));
CHECK(::is_dangling(rng::find_first_of(::MakeTestRange(InputIterator<const int*>(ia),
InputIterator<const int*>(ia)),
make_subrange(ForwardIterator<const int*>(ic),
ForwardIterator<const int*>(ic+1)))));
}
void test_rng_pred()
{
using namespace ranges;
int ia[] = {0, 1, 2, 3, 0, 1, 2, 3};
static constexpr auto sa = size(ia);
int ib[] = {1, 3, 5, 7};
static constexpr auto sb = size(ib);
CHECK(rng::find_first_of(make_subrange(InputIterator<const int*>(ia),
InputIterator<const int*>(ia + sa)),
make_subrange(ForwardIterator<const int*>(ib),
ForwardIterator<const int*>(ib + sb)),
std::equal_to<int>()) ==
InputIterator<const int*>(ia+1));
int ic[] = {7};
CHECK(rng::find_first_of(make_subrange(InputIterator<const int*>(ia),
InputIterator<const int*>(ia + sa)),
make_subrange(ForwardIterator<const int*>(ic),
ForwardIterator<const int*>(ic + 1)),
std::equal_to<int>()) ==
InputIterator<const int*>(ia+sa));
CHECK(rng::find_first_of(make_subrange(InputIterator<const int*>(ia),
InputIterator<const int*>(ia + sa)),
make_subrange(ForwardIterator<const int*>(ic),
ForwardIterator<const int*>(ic)),
std::equal_to<int>()) ==
InputIterator<const int*>(ia+sa));
CHECK(rng::find_first_of(make_subrange(InputIterator<const int*>(ia),
InputIterator<const int*>(ia)),
make_subrange(ForwardIterator<const int*>(ic),
ForwardIterator<const int*>(ic+1)),
std::equal_to<int>()) ==
InputIterator<const int*>(ia));
}
struct S
{
int i;
};
void test_rng_pred_proj()
{
using namespace ranges;
S ia[] = {S{0}, S{1}, S{2}, S{3}, S{0}, S{1}, S{2}, S{3}};
static constexpr auto sa = size(ia);
S ib[] = {S{1}, S{3}, S{5}, S{7}};
static constexpr auto sb = size(ib);
CHECK(rng::find_first_of(make_subrange(InputIterator<const S*>(ia),
InputIterator<const S*>(ia + sa)),
make_subrange(ForwardIterator<const S*>(ib),
ForwardIterator<const S*>(ib + sb)),
std::equal_to<int>(), &S::i, &S::i) ==
InputIterator<const S*>(ia+1));
S ic[] = {S{7}};
CHECK(rng::find_first_of(make_subrange(InputIterator<const S*>(ia),
InputIterator<const S*>(ia + sa)),
make_subrange(ForwardIterator<const S*>(ic),
ForwardIterator<const S*>(ic + 1)),
std::equal_to<int>(), &S::i, &S::i) ==
InputIterator<const S*>(ia+sa));
CHECK(rng::find_first_of(make_subrange(InputIterator<const S*>(ia),
InputIterator<const S*>(ia + sa)),
make_subrange(ForwardIterator<const S*>(ic),
ForwardIterator<const S*>(ic)),
std::equal_to<int>(), &S::i, &S::i) ==
InputIterator<const S*>(ia+sa));
CHECK(rng::find_first_of(make_subrange(InputIterator<const S*>(ia),
InputIterator<const S*>(ia)),
make_subrange(ForwardIterator<const S*>(ic),
ForwardIterator<const S*>(ic+1)),
std::equal_to<int>(), &S::i, &S::i) ==
InputIterator<const S*>(ia));
}
void test_constexpr()
{
using namespace ranges;
constexpr int ia[] = {0, 1, 2, 3, 0, 1, 2, 3};
constexpr auto sa = size(ia);
constexpr int ib[] = {1, 3, 5, 7};
constexpr auto sb = size(ib);
STATIC_CHECK(
rng::find_first_of(as_lvalue(make_subrange(InputIterator<const int *>(ia),
InputIterator<const int *>(ia + sa))),
make_subrange(ForwardIterator<const int *>(ib),
ForwardIterator<const int *>(ib + sb)),
equal_to{}) == InputIterator<const int *>(ia + 1));
constexpr int ic[] = {7};
STATIC_CHECK(
rng::find_first_of(as_lvalue(make_subrange(InputIterator<const int *>(ia),
InputIterator<const int *>(ia + sa))),
make_subrange(ForwardIterator<const int *>(ic),
ForwardIterator<const int *>(ic + 1)),
equal_to{}) == InputIterator<const int *>(ia + sa));
STATIC_CHECK(
rng::find_first_of(as_lvalue(make_subrange(InputIterator<const int *>(ia),
InputIterator<const int *>(ia + sa))),
make_subrange(ForwardIterator<const int *>(ic),
ForwardIterator<const int *>(ic)),
equal_to{}) == InputIterator<const int *>(ia + sa));
STATIC_CHECK(
rng::find_first_of(as_lvalue(make_subrange(InputIterator<const int *>(ia),
InputIterator<const int *>(ia))),
make_subrange(ForwardIterator<const int *>(ic),
ForwardIterator<const int *>(ic + 1)),
equal_to{}) == InputIterator<const int *>(ia));
}
int main()
{
::test_iter();
::test_iter_pred();
::test_rng();
::test_rng_pred();
::test_rng_pred_proj();
return ::test_result();
}
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