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113 lines
3.5 KiB
C++
113 lines
3.5 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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// <deque>
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// template <class T, class A>
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// void swap(deque<T, A>& x, deque<T, A>& y);
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#include <deque>
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#include <cassert>
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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 C>
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C
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make(int size, int start = 0 )
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{
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const int b = 4096 / sizeof(int);
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int init = 0;
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if (start > 0)
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{
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init = (start+1) / b + ((start+1) % b != 0);
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init *= b;
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--init;
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}
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C c(init, 0);
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for (int i = 0; i < init-start; ++i)
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c.pop_back();
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for (int i = 0; i < size; ++i)
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c.push_back(i);
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for (int i = 0; i < start; ++i)
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c.pop_front();
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return c;
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}
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template <class C>
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void testN(int start, int N, int M)
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{
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C c1 = make<C>(N, start);
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C c2 = make<C>(M);
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C c1_save = c1;
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C c2_save = c2;
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swap(c1, c2);
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assert(c1 == c2_save);
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assert(c2 == c1_save);
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}
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int main(int, char**)
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{
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{
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int rng[] = {0, 1, 2, 3, 1023, 1024, 1025, 2047, 2048, 2049};
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const int N = sizeof(rng)/sizeof(rng[0]);
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for (int i = 0; i < N; ++i)
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for (int j = 0; j < N; ++j)
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for (int k = 0; k < N; ++k)
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testN<std::deque<int> >(rng[i], rng[j], rng[k]);
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}
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{
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int a1[] = {1, 3, 7, 9, 10};
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int a2[] = {0, 2, 4, 5, 6, 8, 11};
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typedef test_allocator<int> A;
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std::deque<int, A> c1(a1, a1+sizeof(a1)/sizeof(a1[0]), A(1, 1));
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std::deque<int, A> c2(a2, a2+sizeof(a2)/sizeof(a2[0]), A(1, 2));
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swap(c1, c2);
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assert((c1 == std::deque<int, A>(a2, a2+sizeof(a2)/sizeof(a2[0]))));
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assert(c1.get_allocator().get_id() == 1);
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assert((c2 == std::deque<int, A>(a1, a1+sizeof(a1)/sizeof(a1[0]))));
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assert(c2.get_allocator().get_id() == 2);
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}
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{
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int a1[] = {1, 3, 7, 9, 10};
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int a2[] = {0, 2, 4, 5, 6, 8, 11};
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typedef other_allocator<int> A;
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std::deque<int, A> c1(a1, a1+sizeof(a1)/sizeof(a1[0]), A(1));
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std::deque<int, A> c2(a2, a2+sizeof(a2)/sizeof(a2[0]), A(2));
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swap(c1, c2);
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assert((c1 == std::deque<int, A>(a2, a2+sizeof(a2)/sizeof(a2[0]))));
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assert(c1.get_allocator() == A(2));
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assert((c2 == std::deque<int, A>(a1, a1+sizeof(a1)/sizeof(a1[0]))));
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assert(c2.get_allocator() == A(1));
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}
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#if TEST_STD_VER >= 11
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{
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int rng[] = {0, 1, 2, 3, 1023, 1024, 1025, 2047, 2048, 2049};
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const int N = sizeof(rng)/sizeof(rng[0]);
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for (int i = 0; i < N; ++i)
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for (int j = 0; j < N; ++j)
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for (int k = 0; k < N; ++k)
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testN<std::deque<int, min_allocator<int>> >(rng[i], rng[j], rng[k]);
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}
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{
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int a1[] = {1, 3, 7, 9, 10};
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int a2[] = {0, 2, 4, 5, 6, 8, 11};
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typedef min_allocator<int> A;
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std::deque<int, A> c1(a1, a1+sizeof(a1)/sizeof(a1[0]), A());
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std::deque<int, A> c2(a2, a2+sizeof(a2)/sizeof(a2[0]), A());
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swap(c1, c2);
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assert((c1 == std::deque<int, A>(a2, a2+sizeof(a2)/sizeof(a2[0]))));
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assert(c1.get_allocator() == A());
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assert((c2 == std::deque<int, A>(a1, a1+sizeof(a1)/sizeof(a1[0]))));
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assert(c2.get_allocator() == A());
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}
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#endif
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return 0;
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}
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