69 lines
1.7 KiB
C++
69 lines
1.7 KiB
C++
|
//===----------------------------------------------------------------------===//
|
|||
|
|
//
|
|||
|
|
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>The LLVM Compiler Infrastructure
|
|||
|
|
//
|
|||
|
|
// This file is distributed under the University of Illinois Open Source
|
|||
|
|
// License. See LICENSE.TXT for details.
|
|||
|
|
//
|
|||
|
|
//===----------------------------------------------------------------------===//
|
|||
|
|
|
|||
|
|
// <deque>
|
|||
|
|
|
|||
|
|
// reference operator[](size_type __i);
|
|||
|
|
// const_reference operator[](size_type __i) const;
|
|||
|
|
//
|
|||
|
|
// reference at(size_type __i);
|
|||
|
|
// const_reference at(size_type __i) const;
|
|||
|
|
//
|
|||
|
|
// reference front();
|
|||
|
|
// const_reference front() const;
|
|||
|
|
//
|
|||
|
|
// reference back();
|
|||
|
|
// const_reference back() const;
|
|||
|
|
|
|||
|
|
#include <deque>
|
|||
|
|
#include <cassert>
|
|||
|
|
|
|||
|
|
std::deque<int>
|
|||
|
|
make(int size, int start = 0 )
|
|||
|
|
{
|
|||
|
|
const int b = 4096 / sizeof(int);
|
|||
|
|
int init = 0;
|
|||
|
|
if (start > 0)
|
|||
|
|
{
|
|||
|
|
init = (start+1) / b + ((start+1) % b != 0);
|
|||
|
|
init *= b;
|
|||
|
|
--init;
|
|||
|
|
}
|
|||
|
|
std::deque<int> c(init, 0);
|
|||
|
|
for (int i = 0; i < init-start; ++i)
|
|||
|
|
c.pop_back();
|
|||
|
|
for (int i = 0; i < size; ++i)
|
|||
|
|
c.push_back(i);
|
|||
|
|
for (int i = 0; i < start; ++i)
|
|||
|
|
c.pop_front();
|
|||
|
|
return c;
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
int main()
|
|||
|
|
{
|
|||
|
|
{
|
|||
|
|
std::deque<int> c = make(10);
|
|||
|
|
for (unsigned i = 0; i < 10; ++i)
|
|||
|
|
assert(c[i] == i);
|
|||
|
|
for (unsigned i = 0; i < 10; ++i)
|
|||
|
|
assert(c.at(i) == i);
|
|||
|
|
assert(c.front() == 0);
|
|||
|
|
assert(c.back() == 9);
|
|||
|
|
}
|
|||
|
|
{
|
|||
|
|
const std::deque<int> c = make(10);
|
|||
|
|
for (unsigned i = 0; i < 10; ++i)
|
|||
|
|
assert(c[i] == i);
|
|||
|
|
for (unsigned i = 0; i < 10; ++i)
|
|||
|
|
assert(c.at(i) == i);
|
|||
|
|
assert(c.front() == 0);
|
|||
|
|
assert(c.back() == 9);
|
|||
|
|
}
|
|||
|
|
}
|