b64f8b07c1
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
75 lines
1.8 KiB
C++
75 lines
1.8 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>
|
|
|
|
// template <class... Args> void emplace_front(Args&&... args);
|
|
|
|
#include <deque>
|
|
#include <cassert>
|
|
|
|
#include "../../../Emplaceable.h"
|
|
|
|
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
|
|
std::deque<Emplaceable>
|
|
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<Emplaceable> 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;
|
|
};
|
|
|
|
void
|
|
test(std::deque<Emplaceable>& c1)
|
|
{
|
|
typedef std::deque<Emplaceable> C;
|
|
typedef 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));
|
|
}
|
|
|
|
void
|
|
testN(int start, int N)
|
|
{
|
|
typedef std::deque<Emplaceable> C;
|
|
C c1 = make(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(rng[i], rng[j]);
|
|
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
}
|