push_back.pass.cpp
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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <deque>
// void push_back(const value_type& v);
// void pop_back();
// void pop_front();
#include <deque>
#include <cassert>
#include "test_macros.h"
#include "min_allocator.h"
template <class C>
C
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;
}
C 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;
}
template <class C>
void test(int size)
{
int rng[] = {0, 1, 2, 3, 1023, 1024, 1025, 2046, 2047, 2048, 2049};
const int N = sizeof(rng)/sizeof(rng[0]);
for (int j = 0; j < N; ++j)
{
C c = make<C>(size, rng[j]);
typename C::const_iterator it = c.begin();
for (int i = 0; i < size; ++i, ++it)
assert(*it == i);
}
}
int main(int, char**)
{
{
int rng[] = {0, 1, 2, 3, 1023, 1024, 1025, 2046, 2047, 2048, 2049, 4094, 4095, 4096};
const int N = sizeof(rng)/sizeof(rng[0]);
for (int j = 0; j < N; ++j)
test<std::deque<int> >(rng[j]);
}
#if TEST_STD_VER >= 11
{
int rng[] = {0, 1, 2, 3, 1023, 1024, 1025, 2046, 2047, 2048, 2049, 4094, 4095, 4096};
const int N = sizeof(rng)/sizeof(rng[0]);
for (int j = 0; j < N; ++j)
test<std::deque<int, min_allocator<int>> >(rng[j]);
}
#endif
return 0;
}