예제 #1
0
int main()
{
    using ranges::begin;
    using ranges::end;
    using ranges::size;

    std::pair<int, int> const a[] = {{0, 0}, {0, 1}, {1, 2}, {1, 3}, {3, 4}, {3, 5}};
    static_assert(size(a) == 6, "");
    std::pair<int, int> out[size(a)] = {};

    auto res = ranges::copy(begin(a), end(a), out);
    CHECK(res.first == end(a));
    CHECK(res.second == out + size(out));
    CHECK(&res.first == &res.in());
    CHECK(&res.second == &res.out());
    CHECK(std::equal(a, a + size(a), out));

    std::fill_n(out, size(out), std::make_pair(0, 0));
    CHECK(!std::equal(a, a + size(a), out));

    res = ranges::copy(a, out);
    CHECK(res.first == a + size(a));
    CHECK(res.second == out + size(out));
    CHECK(std::equal(a, a + size(a), out));

    std::fill_n(out, size(out), std::make_pair(0, 0));

    using ranges::view::delimit;
    {
        char const *sz = "hello world";
        char buf[50];
        auto str = delimit(sz, '\0');
        auto res3 = ranges::copy(str, buf);
        *res3.second = '\0';
        CHECK(res3.first == std::next(begin(str), static_cast<std::ptrdiff_t>(std::strlen(sz))));
        CHECK(res3.second == buf + std::strlen(sz));
        CHECK(std::strcmp(sz, buf) == 0);
    }

    {
        char const *sz = "hello world";
        char buf[50];
        auto str = delimit(sz, '\0');
        auto res3 = ranges::copy(std::move(str), buf);
        *res3.second = '\0';
        CHECK(res3.first.get_unsafe() == std::next(begin(str), static_cast<std::ptrdiff_t>(std::strlen(sz))));
        CHECK(res3.second == buf + std::strlen(sz));
        CHECK(std::strcmp(sz, buf) == 0);
    }

    return test_result();
}
예제 #2
0
int main()
{
    using ranges::begin;
    using ranges::end;
    using ranges::size;

    std::pair<int, int> const a[] = {{0, 0}, {0, 1}, {1, 2}, {1, 3}, {3, 4}, {3, 5}};
    static_assert(size(a) == 6, "");
    std::pair<int, int> out[size(a)] = {};

    auto res = ranges::copy_backward(begin(a), end(a), end(out));
    CHECK(res.first == end(a));
    CHECK(res.second == begin(out));
    CHECK(std::equal(a, a + size(a), out));

    std::fill_n(out, size(out), std::make_pair(0, 0));
    CHECK(!std::equal(a, a + size(a), out));

    res = ranges::copy_backward(a, end(out));
    CHECK(res.first == end(a));
    CHECK(res.second == begin(out));
    CHECK(std::equal(a, a + size(a), out));

    std::fill_n(out, size(out), std::make_pair(0, 0));
    auto res2 = ranges::copy_backward(ranges::move(a), end(out));
    CHECK(res2.first.get_unsafe() == end(a));
    CHECK(res2.second == begin(out));
    CHECK(std::equal(a, a + size(a), out));

    test_repeat_view();
    test_initializer_list();

    return test_result();
}
예제 #3
0
int main()
{
    using ranges::begin;
    using ranges::end;
    using ranges::size;
    using ranges::less;

    using P = std::pair<int, int>;

    P a[] = {{0, 0}, {0, 1}, {1, 2}, {1, 3}, {3, 4}, {3, 5}};
    P const c[] = {{0, 0}, {0, 1}, {1, 2}, {1, 3}, {3, 4}, {3, 5}};

    CHECK(ranges::aux::upper_bound_n(begin(a), size(a), a[0]) == &a[1]);
    CHECK(ranges::aux::upper_bound_n(begin(a), size(a), a[1], less()) == &a[2]);
    CHECK(ranges::aux::upper_bound_n(begin(a), size(a), 1, less(), &std::pair<int, int>::first) == &a[4]);

    CHECK(ranges::upper_bound(begin(a), end(a), a[0]) == &a[1]);
    CHECK(ranges::upper_bound(begin(a), end(a), a[1], less()) == &a[2]);
    CHECK(ranges::upper_bound(begin(a), end(a), 1, less(), &std::pair<int, int>::first) == &a[4]);

    CHECK(ranges::upper_bound(a, a[2]) == &a[3]);
    CHECK(ranges::upper_bound(c, c[3]) == &c[4]);

    CHECK(ranges::upper_bound(a, a[4], less()) == &a[5]);
    CHECK(ranges::upper_bound(c, c[5], less()) == &c[6]);

    CHECK(ranges::upper_bound(a, 1, less(), &std::pair<int, int>::first) == &a[4]);
    CHECK(ranges::upper_bound(c, 1, less(), &std::pair<int, int>::first) == &c[4]);

    std::vector<P> vec_a(ranges::begin(a), ranges::end(a));
    std::vector<P> const vec_c(ranges::begin(c), ranges::end(c));

    CHECK(ranges::upper_bound(ranges::view::all(a), a[2]) == &a[3]);
    CHECK(ranges::upper_bound(ranges::view::all(c), c[3]) == &c[4]);
#ifndef RANGES_WORKAROUND_MSVC_573728
    CHECK(::is_dangling(ranges::upper_bound(std::move(a), a[2])));
    CHECK(::is_dangling(ranges::upper_bound(std::move(c), c[3])));
#endif // RANGES_WORKAROUND_MSVC_573728
    CHECK(::is_dangling(ranges::upper_bound(std::move(vec_a), vec_a[2])));
    CHECK(::is_dangling(ranges::upper_bound(std::move(vec_c), vec_c[3])));

    CHECK(ranges::upper_bound(ranges::view::all(a), a[4], less()) == &a[5]);
    CHECK(ranges::upper_bound(ranges::view::all(c), c[5], less()) == &c[6]);
#ifndef RANGES_WORKAROUND_MSVC_573728
    CHECK(::is_dangling(ranges::upper_bound(std::move(a), a[4], less())));
    CHECK(::is_dangling(ranges::upper_bound(std::move(c), c[5], less())));
#endif // RANGES_WORKAROUND_MSVC_573728
    CHECK(::is_dangling(ranges::upper_bound(std::move(vec_a), vec_a[4], less())));
    CHECK(::is_dangling(ranges::upper_bound(std::move(vec_c), vec_c[5], less())));

    CHECK(ranges::upper_bound(ranges::view::all(a), 1, less(), &std::pair<int, int>::first) == &a[4]);
    CHECK(ranges::upper_bound(ranges::view::all(c), 1, less(), &std::pair<int, int>::first) == &c[4]);
#ifndef RANGES_WORKAROUND_MSVC_573728
    CHECK(::is_dangling(ranges::upper_bound(std::move(a), 1, less(), &std::pair<int, int>::first)));
    CHECK(::is_dangling(ranges::upper_bound(std::move(c), 1, less(), &std::pair<int, int>::first)));
#endif // RANGES_WORKAROUND_MSVC_573728
    CHECK(::is_dangling(ranges::upper_bound(std::move(vec_a), 1, less(), &std::pair<int, int>::first)));
    CHECK(::is_dangling(ranges::upper_bound(std::move(vec_c), 1, less(), &std::pair<int, int>::first)));

    return test_result();
}