139 lines
3.4 KiB
C++
139 lines
3.4 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <deque>
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// iterator insert (const_iterator p, const value_type& v);
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#include <deque>
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#include <cassert>
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#include <cstddef>
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#include "test_macros.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
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test(int P, C& c1, int x)
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{
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typedef typename C::const_iterator CI;
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std::size_t c1_osize = c1.size();
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CI i = c1.insert(c1.begin() + P, x);
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assert(i == c1.begin() + P);
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assert(c1.size() == c1_osize + 1);
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assert(static_cast<std::size_t>(distance(c1.begin(), c1.end())) == c1.size());
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i = c1.begin();
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for (int j = 0; j < P; ++j, ++i)
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assert(*i == j);
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assert(*i == x);
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++i;
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for (int j = P; static_cast<std::size_t>(j) < c1_osize; ++j, ++i)
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assert(*i == j);
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}
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template <class C>
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void
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testN(int start, int N)
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{
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for (int i = 0; i <= 3; ++i)
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{
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if (0 <= i && i <= N)
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{
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C c1 = make<C>(N, start);
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test(i, c1, -10);
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}
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}
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for (int i = N/2-1; i <= N/2+1; ++i)
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{
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if (0 <= i && i <= N)
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{
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C c1 = make<C>(N, start);
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test(i, c1, -10);
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}
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}
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for (int i = N - 3; i <= N; ++i)
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{
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if (0 <= i && i <= N)
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{
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C c1 = make<C>(N, start);
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test(i, c1, -10);
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}
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}
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}
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template <class C>
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void
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self_reference_test()
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{
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typedef typename C::const_iterator CI;
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for (int i = 0; i < 20; ++i)
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{
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for (int j = 0; j < 20; ++j)
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{
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C c = make<C>(20);
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CI it = c.cbegin() + i;
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CI jt = c.cbegin() + j;
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c.insert(it, *jt);
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assert(c.size() == 21);
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assert(static_cast<std::size_t>(distance(c.begin(), c.end())) == c.size());
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it = c.cbegin();
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for (int k = 0; k < i; ++k, ++it)
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assert(*it == k);
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assert(*it == j);
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++it;
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for (int k = i; k < 20; ++k, ++it)
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assert(*it == k);
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}
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}
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}
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int main()
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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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testN<std::deque<int> >(rng[i], rng[j]);
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self_reference_test<std::deque<int> >();
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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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testN<std::deque<int, min_allocator<int>> >(rng[i], rng[j]);
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self_reference_test<std::deque<int, min_allocator<int>> >();
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}
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#endif
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}
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