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80 lines
2.0 KiB
C++
80 lines
2.0 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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// <deque>
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// template <class T, class Allocator, class U>
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// void erase(deque<T, Allocator>& c, const U& value);
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#include <deque>
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#include <optional>
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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 U>
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void
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test0(S s, U val, S expected)
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{
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ASSERT_SAME_TYPE(void, decltype(std::erase(s, val)));
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std::erase(s, val);
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assert(s == expected);
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}
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template <class S>
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void test()
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{
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test0(S(), 1, S());
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test0(S({1}), 1, S());
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test0(S({1}), 2, S({1}));
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test0(S({1,2}), 1, S({2}));
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test0(S({1,2}), 2, S({1}));
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test0(S({1,2}), 3, S({1,2}));
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test0(S({1,1}), 1, S());
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test0(S({1,1}), 3, S({1,1}));
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test0(S({1,2,3}), 1, S({2,3}));
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test0(S({1,2,3}), 2, S({1,3}));
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test0(S({1,2,3}), 3, S({1,2}));
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test0(S({1,2,3}), 4, S({1,2,3}));
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test0(S({1,1,1}), 1, S());
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test0(S({1,1,1}), 2, S({1,1,1}));
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test0(S({1,1,2}), 1, S({2}));
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test0(S({1,1,2}), 2, S({1,1}));
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test0(S({1,1,2}), 3, S({1,1,2}));
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test0(S({1,2,2}), 1, S({2,2}));
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test0(S({1,2,2}), 2, S({1}));
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test0(S({1,2,2}), 3, S({1,2,2}));
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// Test cross-type erasure
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using opt = std::optional<typename S::value_type>;
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test0(S({1,2,1}), opt(), S({1,2,1}));
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test0(S({1,2,1}), opt(1), S({2}));
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test0(S({1,2,1}), opt(2), S({1,1}));
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test0(S({1,2,1}), opt(3), S({1,2,1}));
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}
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int main(int, char**)
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{
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test<std::deque<int>>();
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test<std::deque<int, min_allocator<int>>> ();
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test<std::deque<int, test_allocator<int>>> ();
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test<std::deque<long>>();
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test<std::deque<double>>();
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return 0;
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}
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