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Diffstat (limited to 'test/std/algorithms/alg.modifying.operations/alg.remove/remove_if.pass.cpp')
-rw-r--r-- | test/std/algorithms/alg.modifying.operations/alg.remove/remove_if.pass.cpp | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/test/std/algorithms/alg.modifying.operations/alg.remove/remove_if.pass.cpp b/test/std/algorithms/alg.modifying.operations/alg.remove/remove_if.pass.cpp new file mode 100644 index 0000000000000..b234431295a4f --- /dev/null +++ b/test/std/algorithms/alg.modifying.operations/alg.remove/remove_if.pass.cpp @@ -0,0 +1,98 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// <algorithm> + +// template<ForwardIterator Iter, Predicate<auto, Iter::value_type> Pred> +// requires OutputIterator<Iter, RvalueOf<Iter::reference>::type> +// && CopyConstructible<Pred> +// Iter +// remove_if(Iter first, Iter last, Pred pred); + +#include <algorithm> +#include <functional> +#include <cassert> +#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES +#include <memory> +#endif + +#include "test_iterators.h" +#include "counting_predicates.hpp" + +bool equal2 ( int i ) { return i == 2; } + +template <class Iter> +void +test() +{ + int ia[] = {0, 1, 2, 3, 4, 2, 3, 4, 2}; + const unsigned sa = sizeof(ia)/sizeof(ia[0]); +// int* r = std::remove_if(ia, ia+sa, std::bind2nd(std::equal_to<int>(), 2)); + unary_counting_predicate<bool(*)(int), int> cp(equal2); + int* r = std::remove_if(ia, ia+sa, std::ref(cp)); + assert(r == ia + sa-3); + assert(ia[0] == 0); + assert(ia[1] == 1); + assert(ia[2] == 3); + assert(ia[3] == 4); + assert(ia[4] == 3); + assert(ia[5] == 4); + assert(cp.count() == sa); +} + +#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES + +struct pred +{ + bool operator()(const std::unique_ptr<int>& i) {return *i == 2;} +}; + +template <class Iter> +void +test1() +{ + const unsigned sa = 9; + std::unique_ptr<int> ia[sa]; + ia[0].reset(new int(0)); + ia[1].reset(new int(1)); + ia[2].reset(new int(2)); + ia[3].reset(new int(3)); + ia[4].reset(new int(4)); + ia[5].reset(new int(2)); + ia[6].reset(new int(3)); + ia[7].reset(new int(4)); + ia[8].reset(new int(2)); + Iter r = std::remove_if(Iter(ia), Iter(ia+sa), pred()); + assert(base(r) == ia + sa-3); + assert(*ia[0] == 0); + assert(*ia[1] == 1); + assert(*ia[2] == 3); + assert(*ia[3] == 4); + assert(*ia[4] == 3); + assert(*ia[5] == 4); +} + +#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES + +int main() +{ + test<forward_iterator<int*> >(); + test<bidirectional_iterator<int*> >(); + test<random_access_iterator<int*> >(); + test<int*>(); + +#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES + + test1<forward_iterator<std::unique_ptr<int>*> >(); + test1<bidirectional_iterator<std::unique_ptr<int>*> >(); + test1<random_access_iterator<std::unique_ptr<int>*> >(); + test1<std::unique_ptr<int>*>(); + +#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES +} |