cxx/test/containers/sequences/deque/deque.modifiers/push_back_rvalue.pass.cpp
2013-06-23 21:17:24 +00:00

81 lines
2.0 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.
//
//===----------------------------------------------------------------------===//
// <deque>
// void push_back(value_type&& v);
// void pop_back();
// void pop_front();
#include <deque>
#include <cassert>
#include "../../../MoveOnly.h"
#include "../../../min_allocator.h"
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
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);
for (int i = 0; i < init-start; ++i)
c.pop_back();
for (int i = 0; i < size; ++i)
c.push_back(MoveOnly(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 == MoveOnly(i));
}
}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
int main()
{
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
{
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<MoveOnly> >(rng[j]);
}
#if __cplusplus >= 201103L
{
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<MoveOnly, min_allocator<MoveOnly>> >(rng[j]);
}
#endif
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
}