8226d0b7c5
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@171479 91177308-0d34-0410-b5e6-96231b3b80d8
73 lines
3.6 KiB
C++
73 lines
3.6 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <algorithm>
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// template<ForwardIterator Iter1, ForwardIterator Iter2>
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// requires HasEqualTo<Iter1::value_type, Iter2::value_type>
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// Iter1
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// search(Iter1 first1, Iter1 last1, Iter2 first2, Iter2 last2);
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#include <algorithm>
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#include <cassert>
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#include "../../../iterators.h"
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template <class Iter1, class Iter2>
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void
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test()
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{
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int ia[] = {0, 1, 2, 3, 4, 5};
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const unsigned sa = sizeof(ia)/sizeof(ia[0]);
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assert(std::search(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia)) == Iter1(ia));
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assert(std::search(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia+1)) == Iter1(ia));
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assert(std::search(Iter1(ia), Iter1(ia+sa), Iter2(ia+1), Iter2(ia+2)) == Iter1(ia+1));
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assert(std::search(Iter1(ia), Iter1(ia+sa), Iter2(ia+2), Iter2(ia+2)) == Iter1(ia));
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assert(std::search(Iter1(ia), Iter1(ia+sa), Iter2(ia+2), Iter2(ia+3)) == Iter1(ia+2));
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assert(std::search(Iter1(ia), Iter1(ia+sa), Iter2(ia+2), Iter2(ia+3)) == Iter1(ia+2));
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assert(std::search(Iter1(ia), Iter1(ia), Iter2(ia+2), Iter2(ia+3)) == Iter1(ia));
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assert(std::search(Iter1(ia), Iter1(ia+sa), Iter2(ia+sa-1), Iter2(ia+sa)) == Iter1(ia+sa-1));
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assert(std::search(Iter1(ia), Iter1(ia+sa), Iter2(ia+sa-3), Iter2(ia+sa)) == Iter1(ia+sa-3));
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assert(std::search(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia+sa)) == Iter1(ia));
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assert(std::search(Iter1(ia), Iter1(ia+sa-1), Iter2(ia), Iter2(ia+sa)) == Iter1(ia+sa-1));
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assert(std::search(Iter1(ia), Iter1(ia+1), Iter2(ia), Iter2(ia+sa)) == Iter1(ia+1));
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int ib[] = {0, 1, 2, 0, 1, 2, 3, 0, 1, 2, 3, 4};
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const unsigned sb = sizeof(ib)/sizeof(ib[0]);
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int ic[] = {1};
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assert(std::search(Iter1(ib), Iter1(ib+sb), Iter2(ic), Iter2(ic+1)) == Iter1(ib+1));
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int id[] = {1, 2};
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assert(std::search(Iter1(ib), Iter1(ib+sb), Iter2(id), Iter2(id+2)) == Iter1(ib+1));
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int ie[] = {1, 2, 3};
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assert(std::search(Iter1(ib), Iter1(ib+sb), Iter2(ie), Iter2(ie+3)) == Iter1(ib+4));
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int ig[] = {1, 2, 3, 4};
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assert(std::search(Iter1(ib), Iter1(ib+sb), Iter2(ig), Iter2(ig+4)) == Iter1(ib+8));
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int ih[] = {0, 1, 1, 1, 1, 2, 3, 0, 1, 2, 3, 4};
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const unsigned sh = sizeof(ih)/sizeof(ih[0]);
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int ii[] = {1, 1, 2};
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assert(std::search(Iter1(ih), Iter1(ih+sh), Iter2(ii), Iter2(ii+3)) == Iter1(ih+3));
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int ij[] = {0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0};
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const unsigned sj = sizeof(ij)/sizeof(ij[0]);
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int ik[] = {0, 0, 0, 0, 1, 1, 1, 1, 0, 0};
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const unsigned sk = sizeof(ik)/sizeof(ik[0]);
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assert(std::search(Iter1(ij), Iter1(ij+sj), Iter2(ik), Iter2(ik+sk)) == Iter1(ij+6));
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}
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int main()
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{
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test<forward_iterator<const int*>, forward_iterator<const int*> >();
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test<forward_iterator<const int*>, bidirectional_iterator<const int*> >();
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test<forward_iterator<const int*>, random_access_iterator<const int*> >();
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test<bidirectional_iterator<const int*>, forward_iterator<const int*> >();
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test<bidirectional_iterator<const int*>, bidirectional_iterator<const int*> >();
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test<bidirectional_iterator<const int*>, random_access_iterator<const int*> >();
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test<random_access_iterator<const int*>, forward_iterator<const int*> >();
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test<random_access_iterator<const int*>, bidirectional_iterator<const int*> >();
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test<random_access_iterator<const int*>, random_access_iterator<const int*> >();
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}
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