cxx/test/containers/sequences/vector/vector.capacity/reserve.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

46 lines
1.1 KiB
C++

//===----------------------------------------------------------------------===//
//
// ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. 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);
}
}