cxx/test/containers/sequences/vector/vector.special/swap.pass.cpp
Howard Hinnant bc8d3f97eb libcxx initial import
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-11 19:42:16 +00:00

87 lines
3.0 KiB
C++

//===----------------------------------------------------------------------===//
//
// ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <vector>
// template <class T, class Alloc>
// void swap(vector<T,Alloc>& x, vector<T,Alloc>& y);
#include <vector>
#include <cassert>
#include "../../../test_allocator.h"
int main()
{
{
int a1[] = {1, 3, 7, 9, 10};
int a2[] = {0, 2, 4, 5, 6, 8, 11};
std::vector<int> c1(a1, a1+sizeof(a1)/sizeof(a1[0]));
std::vector<int> c2(a2, a2+sizeof(a2)/sizeof(a2[0]));
swap(c1, c2);
assert(c1 == std::vector<int>(a2, a2+sizeof(a2)/sizeof(a2[0])));
assert(c2 == std::vector<int>(a1, a1+sizeof(a1)/sizeof(a1[0])));
}
{
int a1[] = {1, 3, 7, 9, 10};
int a2[] = {0, 2, 4, 5, 6, 8, 11};
std::vector<int> c1(a1, a1);
std::vector<int> c2(a2, a2+sizeof(a2)/sizeof(a2[0]));
swap(c1, c2);
assert(c1 == std::vector<int>(a2, a2+sizeof(a2)/sizeof(a2[0])));
assert(c2.empty());
assert(distance(c2.begin(), c2.end()) == 0);
}
{
int a1[] = {1, 3, 7, 9, 10};
int a2[] = {0, 2, 4, 5, 6, 8, 11};
std::vector<int> c1(a1, a1+sizeof(a1)/sizeof(a1[0]));
std::vector<int> c2(a2, a2);
swap(c1, c2);
assert(c1.empty());
assert(distance(c1.begin(), c1.end()) == 0);
assert(c2 == std::vector<int>(a1, a1+sizeof(a1)/sizeof(a1[0])));
}
{
int a1[] = {1, 3, 7, 9, 10};
int a2[] = {0, 2, 4, 5, 6, 8, 11};
std::vector<int> c1(a1, a1);
std::vector<int> c2(a2, a2);
swap(c1, c2);
assert(c1.empty());
assert(distance(c1.begin(), c1.end()) == 0);
assert(c2.empty());
assert(distance(c2.begin(), c2.end()) == 0);
}
{
int a1[] = {1, 3, 7, 9, 10};
int a2[] = {0, 2, 4, 5, 6, 8, 11};
typedef test_allocator<int> A;
std::vector<int, A> c1(a1, a1+sizeof(a1)/sizeof(a1[0]), A(1));
std::vector<int, A> c2(a2, a2+sizeof(a2)/sizeof(a2[0]), A(2));
swap(c1, c2);
assert((c1 == std::vector<int, A>(a2, a2+sizeof(a2)/sizeof(a2[0]))));
assert(c1.get_allocator() == A(1));
assert((c2 == std::vector<int, A>(a1, a1+sizeof(a1)/sizeof(a1[0]))));
assert(c2.get_allocator() == A(2));
}
{
int a1[] = {1, 3, 7, 9, 10};
int a2[] = {0, 2, 4, 5, 6, 8, 11};
typedef other_allocator<int> A;
std::vector<int, A> c1(a1, a1+sizeof(a1)/sizeof(a1[0]), A(1));
std::vector<int, A> c2(a2, a2+sizeof(a2)/sizeof(a2[0]), A(2));
swap(c1, c2);
assert((c1 == std::vector<int, A>(a2, a2+sizeof(a2)/sizeof(a2[0]))));
assert(c1.get_allocator() == A(2));
assert((c2 == std::vector<int, A>(a1, a1+sizeof(a1)/sizeof(a1[0]))));
assert(c2.get_allocator() == A(1));
}
}