| 1 | /*============================================================================= |
| 2 | Copyright (c) 2010 Tim Blechmann |
| 3 | |
| 4 | Use, modification and distribution is subject to the Boost Software |
| 5 | License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
| 6 | http://www.boost.org/LICENSE_1_0.txt) |
| 7 | =============================================================================*/ |
| 8 | |
| 9 | #include "common_heap_tests.hpp" |
| 10 | #include <boost/heap/heap_merge.hpp> |
| 11 | |
| 12 | #define GENERATE_TEST_DATA(INDEX) \ |
| 13 | test_data data = make_test_data(test_size, 0, 1); \ |
| 14 | random_shuffle(data.begin(), data.end()); \ |
| 15 | \ |
| 16 | test_data data_q (data.begin(), data.begin() + INDEX); \ |
| 17 | test_data data_r (data.begin() + INDEX, data.end()); \ |
| 18 | \ |
| 19 | std::stable_sort(data.begin(), data.end()); |
| 20 | |
| 21 | |
| 22 | template <typename pri_queue> |
| 23 | struct pri_queue_test_merge |
| 24 | { |
| 25 | static void run(void) |
| 26 | { |
| 27 | for (int i = 0; i != test_size; ++i) { |
| 28 | pri_queue q, r; |
| 29 | GENERATE_TEST_DATA(i); |
| 30 | |
| 31 | fill_q(q, data_q); |
| 32 | fill_q(r, data_r); |
| 33 | |
| 34 | q.merge(r); |
| 35 | |
| 36 | BOOST_REQUIRE(r.empty()); |
| 37 | check_q(q, data); |
| 38 | } |
| 39 | } |
| 40 | }; |
| 41 | |
| 42 | |
| 43 | template <typename pri_queue1, typename pri_queue2> |
| 44 | struct pri_queue_test_heap_merge |
| 45 | { |
| 46 | static void run (void) |
| 47 | { |
| 48 | for (int i = 0; i != test_size; ++i) { |
| 49 | pri_queue1 q; |
| 50 | pri_queue2 r; |
| 51 | GENERATE_TEST_DATA(i); |
| 52 | |
| 53 | fill_q(q, data_q); |
| 54 | fill_q(r, data_r); |
| 55 | |
| 56 | boost::heap::heap_merge(q, r); |
| 57 | |
| 58 | BOOST_REQUIRE(r.empty()); |
| 59 | check_q(q, data); |
| 60 | } |
| 61 | } |
| 62 | }; |
| 63 | |
| 64 | |
| 65 | |
| 66 | template <typename pri_queue> |
| 67 | void run_merge_tests(void) |
| 68 | { |
| 69 | boost::conditional<pri_queue::is_mergable, |
| 70 | pri_queue_test_merge<pri_queue>, |
| 71 | dummy_run |
| 72 | >::type::run(); |
| 73 | |
| 74 | pri_queue_test_heap_merge<pri_queue, pri_queue>::run(); |
| 75 | } |
| 76 | |