cxx/test/containers/sequences/vector/vector.capacity/reserve.pass.cpp
Howard Hinnant b64f8b07c1 license change
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16 22:09:02 +00:00

46 lines
1.1 KiB
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <vector>
// void reserve(size_type n);
#include <vector>
#include <cassert>
#include "../../../stack_allocator.h"
int main()
{
{
std::vector<int> v;
v.reserve(10);
assert(v.capacity() >= 10);
}
{
std::vector<int> v(100);
assert(v.capacity() == 100);
v.reserve(50);
assert(v.size() == 100);
assert(v.capacity() == 100);
v.reserve(150);
assert(v.size() == 100);
assert(v.capacity() == 150);
}
{
std::vector<int, stack_allocator<int, 250> > v(100);
assert(v.capacity() == 100);
v.reserve(50);
assert(v.size() == 100);
assert(v.capacity() == 100);
v.reserve(150);
assert(v.size() == 100);
assert(v.capacity() == 150);
}
}