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64 lines
1.8 KiB
C++
64 lines
1.8 KiB
C++
#include "util/multi_intersection.hh"
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#define BOOST_TEST_MODULE MultiIntersectionTest
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#include <boost/test/unit_test.hpp>
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namespace util {
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namespace {
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BOOST_AUTO_TEST_CASE(Empty) {
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std::vector<boost::iterator_range<const unsigned int*> > sets;
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sets.push_back(boost::iterator_range<const unsigned int*>(static_cast<const unsigned int*>(NULL), static_cast<const unsigned int*>(NULL)));
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BOOST_CHECK(!FirstIntersection(sets));
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}
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BOOST_AUTO_TEST_CASE(Single) {
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std::vector<unsigned int> nums;
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nums.push_back(1);
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nums.push_back(4);
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nums.push_back(100);
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std::vector<boost::iterator_range<std::vector<unsigned int>::const_iterator> > sets;
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sets.push_back(nums);
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boost::optional<unsigned int> ret(FirstIntersection(sets));
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BOOST_REQUIRE(ret);
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BOOST_CHECK_EQUAL(static_cast<unsigned int>(1), *ret);
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}
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template <class T, unsigned int len> boost::iterator_range<const T*> RangeFromArray(const T (&arr)[len]) {
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return boost::iterator_range<const T*>(arr, arr + len);
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}
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BOOST_AUTO_TEST_CASE(MultiNone) {
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unsigned int nums0[] = {1, 3, 4, 22};
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unsigned int nums1[] = {2, 5, 12};
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unsigned int nums2[] = {4, 17};
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std::vector<boost::iterator_range<const unsigned int*> > sets;
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sets.push_back(RangeFromArray(nums0));
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sets.push_back(RangeFromArray(nums1));
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sets.push_back(RangeFromArray(nums2));
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BOOST_CHECK(!FirstIntersection(sets));
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}
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BOOST_AUTO_TEST_CASE(MultiOne) {
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unsigned int nums0[] = {1, 3, 4, 17, 22};
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unsigned int nums1[] = {2, 5, 12, 17};
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unsigned int nums2[] = {4, 17};
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std::vector<boost::iterator_range<const unsigned int*> > sets;
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sets.push_back(RangeFromArray(nums0));
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sets.push_back(RangeFromArray(nums1));
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sets.push_back(RangeFromArray(nums2));
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boost::optional<unsigned int> ret(FirstIntersection(sets));
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BOOST_REQUIRE(ret);
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BOOST_CHECK_EQUAL(static_cast<unsigned int>(17), *ret);
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}
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} // namespace
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} // namespace util
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