0442b12591
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@139930 91177308-0d34-0410-b5e6-96231b3b80d8
89 lines
3.1 KiB
C++
89 lines
3.1 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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// <vector>
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// template <class T, class Alloc>
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// void swap(vector<T,Alloc>& x, vector<T,Alloc>& y);
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#include <vector>
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#include <cassert>
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#include "../../../test_allocator.h"
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int main()
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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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std::vector<int> c1(a1, a1+sizeof(a1)/sizeof(a1[0]));
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std::vector<int> c2(a2, a2+sizeof(a2)/sizeof(a2[0]));
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swap(c1, c2);
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assert(c1 == std::vector<int>(a2, a2+sizeof(a2)/sizeof(a2[0])));
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assert(c2 == std::vector<int>(a1, a1+sizeof(a1)/sizeof(a1[0])));
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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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std::vector<int> c1(a1, a1);
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std::vector<int> c2(a2, a2+sizeof(a2)/sizeof(a2[0]));
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swap(c1, c2);
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assert(c1 == std::vector<int>(a2, a2+sizeof(a2)/sizeof(a2[0])));
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assert(c2.empty());
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assert(distance(c2.begin(), c2.end()) == 0);
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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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std::vector<int> c1(a1, a1+sizeof(a1)/sizeof(a1[0]));
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std::vector<int> c2(a2, a2);
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swap(c1, c2);
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assert(c1.empty());
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assert(distance(c1.begin(), c1.end()) == 0);
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assert(c2 == std::vector<int>(a1, a1+sizeof(a1)/sizeof(a1[0])));
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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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std::vector<int> c1(a1, a1);
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std::vector<int> c2(a2, a2);
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swap(c1, c2);
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assert(c1.empty());
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assert(distance(c1.begin(), c1.end()) == 0);
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assert(c2.empty());
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assert(distance(c2.begin(), c2.end()) == 0);
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}
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#ifndef _LIBCPP_DEBUG_LEVEL
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// This test known to result in undefined behavior detected by _LIBCPP_DEBUG_LEVEL >= 1
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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::vector<int, A> c1(a1, a1+sizeof(a1)/sizeof(a1[0]), A(1));
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std::vector<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::vector<int, A>(a2, a2+sizeof(a2)/sizeof(a2[0]))));
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assert(c1.get_allocator() == A(1));
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assert((c2 == std::vector<int, A>(a1, a1+sizeof(a1)/sizeof(a1[0]))));
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assert(c2.get_allocator() == A(2));
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}
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#endif
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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::vector<int, A> c1(a1, a1+sizeof(a1)/sizeof(a1[0]), A(1));
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std::vector<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::vector<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::vector<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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}
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