Finn Williams | 3e54d03 | 2020-10-22 16:53:35 +0100 | [diff] [blame] | 1 | // |
| 2 | // Copyright © 2020 Arm Ltd and Contributors. All rights reserved. |
| 3 | // SPDX-License-Identifier: MIT |
| 4 | // |
| 5 | |
| 6 | #include <armnn/utility/TransformIterator.hpp> |
| 7 | |
| 8 | #include <boost/test/unit_test.hpp> |
| 9 | #include <iostream> |
| 10 | |
| 11 | using namespace armnn; |
| 12 | |
| 13 | BOOST_AUTO_TEST_SUITE(TransformIteratorSuite) |
| 14 | |
| 15 | namespace |
| 16 | { |
| 17 | |
| 18 | static int square(const int val) |
| 19 | { |
| 20 | return val * val; |
| 21 | } |
| 22 | |
| 23 | static std::string concat(const std::string val) |
| 24 | { |
| 25 | return val + "a"; |
| 26 | } |
| 27 | |
| 28 | BOOST_AUTO_TEST_CASE(TransformIteratorTest) |
| 29 | { |
| 30 | struct WrapperTestClass |
| 31 | { |
| 32 | TransformIterator<decltype(&square), std::vector<int>::const_iterator> begin() const |
| 33 | { |
| 34 | return { m_Vec.begin(), &square }; |
| 35 | } |
| 36 | |
| 37 | TransformIterator<decltype(&square), std::vector<int>::const_iterator> end() const |
| 38 | { |
| 39 | return { m_Vec.end(), &square }; |
| 40 | } |
| 41 | |
| 42 | const std::vector<int> m_Vec{1, 2, 3, 4, 5}; |
| 43 | }; |
| 44 | |
| 45 | struct WrapperStringClass |
| 46 | { |
| 47 | TransformIterator<decltype(&concat), std::vector<std::string>::const_iterator> begin() const |
| 48 | { |
| 49 | return { m_Vec.begin(), &concat }; |
| 50 | } |
| 51 | |
| 52 | TransformIterator<decltype(&concat), std::vector<std::string>::const_iterator> end() const |
| 53 | { |
| 54 | return { m_Vec.end(), &concat }; |
| 55 | } |
| 56 | |
| 57 | const std::vector<std::string> m_Vec{"a", "b", "c"}; |
| 58 | }; |
| 59 | |
| 60 | WrapperStringClass wrapperStringClass; |
| 61 | WrapperTestClass wrapperTestClass; |
| 62 | int i = 1; |
| 63 | |
| 64 | for(auto val : wrapperStringClass) |
| 65 | { |
| 66 | BOOST_CHECK(val != "e"); |
| 67 | i++; |
| 68 | } |
| 69 | |
| 70 | i = 1; |
| 71 | for(auto val : wrapperTestClass) |
| 72 | { |
| 73 | BOOST_CHECK(val == square(i)); |
| 74 | i++; |
| 75 | } |
| 76 | |
| 77 | i = 1; |
| 78 | // Check original vector is unchanged |
| 79 | for(auto val : wrapperTestClass.m_Vec) |
| 80 | { |
| 81 | BOOST_CHECK(val == i); |
| 82 | i++; |
| 83 | } |
| 84 | |
| 85 | std::vector<int> originalVec{1, 2, 3, 4, 5}; |
| 86 | |
| 87 | auto transformBegin = MakeTransformIterator(originalVec.begin(), &square); |
| 88 | auto transformEnd = MakeTransformIterator(originalVec.end(), &square); |
| 89 | |
| 90 | std::vector<int> transformedVec(transformBegin, transformEnd); |
| 91 | |
| 92 | i = 1; |
| 93 | for(auto val : transformedVec) |
| 94 | { |
| 95 | BOOST_CHECK(val == square(i)); |
| 96 | i++; |
| 97 | } |
| 98 | } |
| 99 | |
| 100 | } |
| 101 | |
| 102 | BOOST_AUTO_TEST_SUITE_END() |