1//---------------------------------------------------------------------------//
2// Copyright (c) 2014 Roshan <thisisroshansmail@gmail.com>
3//
4// Distributed under the Boost Software License, Version 1.0
5// See accompanying file LICENSE_1_0.txt or copy at
6// http://www.boost.org/LICENSE_1_0.txt
7//
8// See http://boostorg.github.com/compute for more information.
9//---------------------------------------------------------------------------//
10
11#define BOOST_TEST_MODULE TestSetDifference
12#include <boost/test/unit_test.hpp>
13
14#include <boost/compute/command_queue.hpp>
15#include <boost/compute/algorithm/set_difference.hpp>
16#include <boost/compute/container/vector.hpp>
17#include <boost/compute/types/fundamental.hpp>
18
19#include "check_macros.hpp"
20#include "context_setup.hpp"
21
22namespace bc = boost::compute;
23
24BOOST_AUTO_TEST_CASE(set_difference_int)
25{
26 int dataset1[] = {1, 1, 2, 2, 2, 2, 3, 3, 4, 5, 6, 10};
27 bc::vector<bc::int_> set1(dataset1, dataset1 + 12, queue);
28
29 int dataset2[] = {0, 2, 2, 4, 5, 6, 8, 8, 9, 9, 9, 13};
30 bc::vector<bc::int_> set2(dataset2, dataset2 + 12, queue);
31
32 bc::vector<bc::uint_>result(7, queue.get_context());
33
34 bc::vector<bc::uint_>::iterator iter =
35 bc::set_difference(set1.begin(), set1.begin() + 12,
36 set2.begin(), set2.begin() + 12,
37 result.begin(), queue);
38
39 CHECK_RANGE_EQUAL(int, 7, result, (1, 1, 2, 2, 3, 3, 10));
40 BOOST_VERIFY(iter == result.begin()+7);
41}
42
43BOOST_AUTO_TEST_CASE(set_difference_string)
44{
45 char string1[] = "abcccdddeeff";
46 bc::vector<bc::char_> set1(string1, string1 + 12, queue);
47
48 char string2[] = "bccdfgh";
49 bc::vector<bc::char_> set2(string2, string2 + 7, queue);
50
51 bc::vector<bc::char_>result(7, queue.get_context());
52
53 bc::vector<bc::char_>::iterator iter =
54 bc::set_difference(set1.begin(), set1.begin() + 12,
55 set2.begin(), set2.begin() + 7,
56 result.begin(), queue);
57
58 CHECK_RANGE_EQUAL(char, 7, result, ('a', 'c', 'd', 'd', 'e', 'e', 'f'));
59 BOOST_VERIFY(iter == result.begin()+7);
60}
61
62BOOST_AUTO_TEST_SUITE_END()
63

source code of boost/libs/compute/test/test_set_difference.cpp