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//===----------------------------------------------------------------------===//
//
// 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>
// template <class... Args> void emplace_front(Args&&... args);
#include <deque>
#include <cassert>
#include "../../../Emplaceable.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(Emplaceable());
for (int i = 0; i < start; ++i)
c.pop_front();
return c;
}
template <class C>
void
test(C& c1)
{
typedef typename C::iterator I;
std::size_t c1_osize = c1.size();
c1.emplace_front(Emplaceable(1, 2.5));
assert(c1.size() == c1_osize + 1);
assert(distance(c1.begin(), c1.end()) == c1.size());
I i = c1.begin();
assert(*i == Emplaceable(1, 2.5));
}
template <class C>
void
testN(int start, int N)
{
C c1 = make<C>(N, start);
test(c1);
}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
int main()
{
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
{
int rng[] = {0, 1, 2, 3, 1023, 1024, 1025, 2047, 2048, 2049};
const int N = sizeof(rng)/sizeof(rng[0]);
for (int i = 0; i < N; ++i)
for (int j = 0; j < N; ++j)
testN<std::deque<Emplaceable> >(rng[i], rng[j]);
}
#if __cplusplus >= 201103L
{
int rng[] = {0, 1, 2, 3, 1023, 1024, 1025, 2047, 2048, 2049};
const int N = sizeof(rng)/sizeof(rng[0]);
for (int i = 0; i < N; ++i)
for (int j = 0; j < N; ++j)
testN<std::deque<Emplaceable, min_allocator<Emplaceable>> >(rng[i], rng[j]);
}
#endif
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
}
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