1 //---------------------------------------------------------------------------//
2 // Copyright (c) 2013 Kyle Lutz <kyle.r.lutz@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 TestConstantIterator
12 #include <boost/test/unit_test.hpp>
13
14 #include <iterator>
15
16 #include <boost/type_traits.hpp>
17 #include <boost/static_assert.hpp>
18
19 #include <boost/compute/algorithm/copy.hpp>
20 #include <boost/compute/container/vector.hpp>
21 #include <boost/compute/iterator/constant_iterator.hpp>
22
23 #include "check_macros.hpp"
24 #include "context_setup.hpp"
25
BOOST_AUTO_TEST_CASE(value_type)26 BOOST_AUTO_TEST_CASE(value_type)
27 {
28 BOOST_STATIC_ASSERT((
29 boost::is_same<
30 boost::compute::constant_iterator<int>::value_type,
31 int
32 >::value
33 ));
34 BOOST_STATIC_ASSERT((
35 boost::is_same<
36 boost::compute::constant_iterator<float>::value_type,
37 float
38 >::value
39 ));
40 }
41
BOOST_AUTO_TEST_CASE(distance)42 BOOST_AUTO_TEST_CASE(distance)
43 {
44 BOOST_CHECK_EQUAL(
45 std::distance(
46 boost::compute::make_constant_iterator(128, 0),
47 boost::compute::make_constant_iterator(128, 10)
48 ),
49 std::ptrdiff_t(10)
50 );
51 BOOST_CHECK_EQUAL(
52 std::distance(
53 boost::compute::make_constant_iterator(256, 5),
54 boost::compute::make_constant_iterator(256, 10)
55 ),
56 std::ptrdiff_t(5)
57 );
58 }
59
BOOST_AUTO_TEST_CASE(copy)60 BOOST_AUTO_TEST_CASE(copy)
61 {
62 boost::compute::vector<int> vector(10, context);
63
64 boost::compute::copy(
65 boost::compute::make_constant_iterator(42, 0),
66 boost::compute::make_constant_iterator(42, 10),
67 vector.begin(),
68 queue
69 );
70 CHECK_RANGE_EQUAL(
71 int, 10, vector,
72 (42, 42, 42, 42, 42, 42, 42, 42, 42, 42)
73 );
74 }
75
BOOST_AUTO_TEST_CASE(fill_with_copy_doctest)76 BOOST_AUTO_TEST_CASE(fill_with_copy_doctest)
77 {
78 //! [fill_with_copy]
79 using boost::compute::make_constant_iterator;
80
81 boost::compute::vector<int> result(5, context);
82
83 boost::compute::copy(
84 make_constant_iterator(42, 0),
85 make_constant_iterator(42, result.size()),
86 result.begin(),
87 queue
88 );
89
90 // result == { 42, 42, 42, 42, 42 }
91 //! [fill_with_copy]
92
93 CHECK_RANGE_EQUAL(int, 5, result, (42, 42, 42, 42, 42));
94 }
95
96 BOOST_AUTO_TEST_SUITE_END()
97