bc8d3f97eb
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8
93 lines
2.2 KiB
C++
93 lines
2.2 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <algorithm>
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// template<ForwardIterator Iter, Predicate<auto, Iter::value_type> Pred>
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// requires OutputIterator<Iter, RvalueOf<Iter::reference>::type>
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// && CopyConstructible<Pred>
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// Iter
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// remove_if(Iter first, Iter last, Pred pred);
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#include <algorithm>
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#include <functional>
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#include <cassert>
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#ifdef _LIBCPP_MOVE
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#include <memory>
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#endif
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#include "../../iterators.h"
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template <class Iter>
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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, 2, 3, 4, 2};
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const unsigned sa = sizeof(ia)/sizeof(ia[0]);
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int* r = std::remove_if(ia, ia+sa, std::bind2nd(std::equal_to<int>(), 2));
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assert(r == ia + sa-3);
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assert(ia[0] == 0);
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assert(ia[1] == 1);
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assert(ia[2] == 3);
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assert(ia[3] == 4);
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assert(ia[4] == 3);
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assert(ia[5] == 4);
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}
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#ifdef _LIBCPP_MOVE
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struct pred
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{
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bool operator()(const std::unique_ptr<int>& i) {return *i == 2;}
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};
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template <class Iter>
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void
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test1()
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{
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const unsigned sa = 9;
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std::unique_ptr<int> ia[sa];
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ia[0].reset(new int(0));
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ia[1].reset(new int(1));
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ia[2].reset(new int(2));
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ia[3].reset(new int(3));
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ia[4].reset(new int(4));
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ia[5].reset(new int(2));
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ia[6].reset(new int(3));
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ia[7].reset(new int(4));
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ia[8].reset(new int(2));
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Iter r = std::remove_if(Iter(ia), Iter(ia+sa), pred());
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assert(base(r) == ia + sa-3);
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assert(*ia[0] == 0);
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assert(*ia[1] == 1);
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assert(*ia[2] == 3);
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assert(*ia[3] == 4);
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assert(*ia[4] == 3);
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assert(*ia[5] == 4);
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}
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#endif
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int main()
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{
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test<forward_iterator<int*> >();
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test<bidirectional_iterator<int*> >();
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test<random_access_iterator<int*> >();
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test<int*>();
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#ifdef _LIBCPP_MOVE
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test1<forward_iterator<std::unique_ptr<int>*> >();
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test1<bidirectional_iterator<std::unique_ptr<int>*> >();
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test1<random_access_iterator<std::unique_ptr<int>*> >();
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test1<std::unique_ptr<int>*>();
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#endif
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}
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