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69 lines
1.8 KiB
C++
69 lines
1.8 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++98, c++03, c++11, c++14, c++17
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// <set>
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// template <class T, class Compare, class Allocator, class Predicate>
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// void erase_if(set<T, Compare, Allocator>& c, Predicate pred);
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#include <set>
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#include "test_macros.h"
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#include "test_allocator.h"
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#include "min_allocator.h"
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template <class S, class Pred>
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void
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test0(S s, Pred p, S expected)
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{
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ASSERT_SAME_TYPE(void, decltype(std::erase_if(s, p)));
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std::erase_if(s, p);
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assert(s == expected);
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}
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template <typename S>
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void test()
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{
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auto is1 = [](auto v) { return v == 1;};
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auto is2 = [](auto v) { return v == 2;};
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auto is3 = [](auto v) { return v == 3;};
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auto is4 = [](auto v) { return v == 4;};
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auto True = [](auto) { return true; };
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auto False = [](auto) { return false; };
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test0(S(), is1, S());
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test0(S({1}), is1, S());
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test0(S({1}), is2, S({1}));
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test0(S({1,2}), is1, S({2}));
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test0(S({1,2}), is2, S({1}));
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test0(S({1,2}), is3, S({1,2}));
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test0(S({1,2,3}), is1, S({2,3}));
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test0(S({1,2,3}), is2, S({1,3}));
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test0(S({1,2,3}), is3, S({1,2}));
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test0(S({1,2,3}), is4, S({1,2,3}));
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test0(S({1,2,3}), True, S());
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test0(S({1,2,3}), False, S({1,2,3}));
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}
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int main(int, char**)
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{
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test<std::set<int>>();
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test<std::set<int, std::less<int>, min_allocator<int>>> ();
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test<std::set<int, std::less<int>, test_allocator<int>>> ();
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test<std::set<long>>();
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test<std::set<double>>();
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return 0;
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}
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