eea9d20edb
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@227363 91177308-0d34-0410-b5e6-96231b3b80d8
72 lines
2.5 KiB
C++
72 lines
2.5 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<InputIterator Iter1, InputIterator Iter2,
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// Predicate<auto, Iter1::value_type, Iter2::value_type> Pred>
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// requires CopyConstructible<Pred>
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// pair<Iter1, Iter2>
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// mismatch(Iter1 first1, Iter1 last1, Iter2 first2, Pred pred);
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#include <algorithm>
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#include <functional>
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#include <cassert>
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#include "test_iterators.h"
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#include "counting_predicates.hpp"
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#if _LIBCPP_STD_VER > 11
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#define HAS_FOUR_ITERATOR_VERSION
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#endif
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int main()
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{
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int ia[] = {0, 1, 2, 2, 0, 1, 2, 3};
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const unsigned sa = sizeof(ia)/sizeof(ia[0]);
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int ib[] = {0, 1, 2, 3, 0, 1, 2, 3};
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const unsigned sb = sizeof(ib)/sizeof(ib[0]);
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typedef input_iterator<const int*> II;
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typedef random_access_iterator<const int*> RAI;
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typedef std::equal_to<int> EQ;
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assert(std::mismatch(II(ia), II(ia + sa), II(ib), EQ())
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== (std::pair<II, II>(II(ia+3), II(ib+3))));
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assert(std::mismatch(RAI(ia), RAI(ia + sa), RAI(ib), EQ())
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== (std::pair<RAI, RAI>(RAI(ia+3), RAI(ib+3))));
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binary_counting_predicate<EQ, int> bcp((EQ()));
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assert(std::mismatch(RAI(ia), RAI(ia + sa), RAI(ib), std::ref(bcp))
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== (std::pair<RAI, RAI>(RAI(ia+3), RAI(ib+3))));
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assert(bcp.count() > 0 && bcp.count() < sa);
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bcp.reset();
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#ifdef HAS_FOUR_ITERATOR_VERSION
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assert(std::mismatch(II(ia), II(ia + sa), II(ib), II(ib + sb), EQ())
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== (std::pair<II, II>(II(ia+3), II(ib+3))));
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assert(std::mismatch(RAI(ia), RAI(ia + sa), RAI(ib), RAI(ib + sb), EQ())
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== (std::pair<RAI, RAI>(RAI(ia+3), RAI(ib+3))));
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assert(std::mismatch(II(ia), II(ia + sa), II(ib), II(ib + sb), std::ref(bcp))
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== (std::pair<II, II>(II(ia+3), II(ib+3))));
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assert(bcp.count() > 0 && bcp.count() < std::min(sa, sb));
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#endif
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assert(std::mismatch(ia, ia + sa, ib, EQ()) ==
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(std::pair<int*,int*>(ia+3,ib+3)));
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#ifdef HAS_FOUR_ITERATOR_VERSION
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assert(std::mismatch(ia, ia + sa, ib, ib + sb, EQ()) ==
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(std::pair<int*,int*>(ia+3,ib+3)));
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assert(std::mismatch(ia, ia + sa, ib, ib + 2, EQ()) ==
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(std::pair<int*,int*>(ia+2,ib+2)));
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#endif
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}
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