41 lines
945 B
C++
41 lines
945 B
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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// <queue>
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// template <class T, class Container>
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// void swap(queue<T, Container>& x, queue<T, Container>& y);
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#include <queue>
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#include <cassert>
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#include "test_macros.h"
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template <class C>
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C
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make(int n)
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{
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C c;
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for (int i = 0; i < n; ++i)
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c.push(i);
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return c;
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}
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int main(int, char**)
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{
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std::queue<int> q1 = make<std::queue<int> >(5);
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std::queue<int> q2 = make<std::queue<int> >(10);
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std::queue<int> q1_save = q1;
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std::queue<int> q2_save = q2;
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swap(q1, q2);
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assert(q1 == q2_save);
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assert(q2 == q1_save);
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return 0;
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}
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