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101 lines
3.0 KiB
C++
101 lines
3.0 KiB
C++
// Range v3 library
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//
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// Copyright Eric Niebler 2014-present
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//
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// Use, modification and distribution is subject to the
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// Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#include <list>
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#include <vector>
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#include <range/v3/core.hpp>
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#include <range/v3/view/iota.hpp>
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#include <range/v3/view/take.hpp>
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#include <range/v3/view/for_each.hpp>
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#include <range/v3/action/push_front.hpp>
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#include "../simple_test.hpp"
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#include "../test_utils.hpp"
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int main()
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{
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using namespace ranges;
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{
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std::vector<int> v;
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push_front(v, {1,2,3});
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::check_equal(v, {1,2,3});
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push_front(v, views::iota(10) | views::take(3));
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::check_equal(v, {10,11,12,1,2,3});
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push_front(v, views::iota(10) | views::take(3));
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::check_equal(v, {10,11,12,10,11,12,1,2,3});
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int rg[] = {9,8,7};
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push_front(v, rg);
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::check_equal(v, {9,8,7,10,11,12,10,11,12,1,2,3});
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push_front(v, rg);
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::check_equal(v, {9,8,7,9,8,7,10,11,12,10,11,12,1,2,3});
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std::list<int> s;
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push_front(s,
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views::ints|views::take(10)|views::for_each([](int i){return yield_if(i%2==0,i);}));
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::check_equal(s, {0,2,4,6,8});
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push_front(s, -2);
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::check_equal(s, {-2,0,2,4,6,8});
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}
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{
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std::vector<int> v;
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v = std::move(v) | push_front({1,2,3});
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::check_equal(v, {1,2,3});
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v = std::move(v) | push_front(views::iota(10) | views::take(3));
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::check_equal(v, {10,11,12,1,2,3});
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v = std::move(v) | push_front(views::iota(10) | views::take(3));
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::check_equal(v, {10,11,12,10,11,12,1,2,3});
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int rg[] = {9,8,7};
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v = std::move(v) | push_front(rg);
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::check_equal(v, {9,8,7,10,11,12,10,11,12,1,2,3});
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v = std::move(v) | push_front(rg);
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::check_equal(v, {9,8,7,9,8,7,10,11,12,10,11,12,1,2,3});
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std::list<int> s;
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s = std::move(s) | push_front(
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views::ints|views::take(10)|views::for_each([](int i){return yield_if(i%2==0,i);}));
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::check_equal(s, {0,2,4,6,8});
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s = std::move(s) | push_front(-2);
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::check_equal(s, {-2,0,2,4,6,8});
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}
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{
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std::vector<int> v;
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v |= push_front({1,2,3});
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::check_equal(v, {1,2,3});
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v |= push_front(views::iota(10) | views::take(3));
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::check_equal(v, {10,11,12,1,2,3});
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v |= push_front(views::iota(10) | views::take(3));
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::check_equal(v, {10,11,12,10,11,12,1,2,3});
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int rg[] = {9,8,7};
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v |= push_front(rg);
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::check_equal(v, {9,8,7,10,11,12,10,11,12,1,2,3});
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v |= push_front(rg);
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::check_equal(v, {9,8,7,9,8,7,10,11,12,10,11,12,1,2,3});
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std::list<int> s;
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s |= push_front(
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views::ints|views::take(10)|views::for_each([](int i){return yield_if(i%2==0,i);}));
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::check_equal(s, {0,2,4,6,8});
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s |= push_front(-2);
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::check_equal(s, {-2,0,2,4,6,8});
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}
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return ::test_result();
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}
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