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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>
// iterator insert (const_iterator p, const value_type& v);
#include <deque>
#include <cassert>
#include <cstddef>
#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 P, C& c1, int x)
{
typedef typename C::const_iterator CI;
std::size_t c1_osize = c1.size();
CI i = c1.insert(c1.begin() + P, x);
assert(i == c1.begin() + P);
assert(c1.size() == c1_osize + 1);
assert(static_cast<std::size_t>(distance(c1.begin(), c1.end())) == c1.size());
i = c1.begin();
for (int j = 0; j < P; ++j, ++i)
assert(*i == j);
assert(*i == x);
++i;
for (int j = P; static_cast<std::size_t>(j) < c1_osize; ++j, ++i)
assert(*i == j);
}
template <class C>
void
testN(int start, int N)
{
for (int i = 0; i <= 3; ++i)
{
if (0 <= i && i <= N)
{
C c1 = make<C>(N, start);
test(i, c1, -10);
}
}
for (int i = N/2-1; i <= N/2+1; ++i)
{
if (0 <= i && i <= N)
{
C c1 = make<C>(N, start);
test(i, c1, -10);
}
}
for (int i = N - 3; i <= N; ++i)
{
if (0 <= i && i <= N)
{
C c1 = make<C>(N, start);
test(i, c1, -10);
}
}
}
template <class C>
void
self_reference_test()
{
typedef typename C::const_iterator CI;
for (int i = 0; i < 20; ++i)
{
for (int j = 0; j < 20; ++j)
{
C c = make<C>(20);
CI it = c.cbegin() + i;
CI jt = c.cbegin() + j;
c.insert(it, *jt);
assert(c.size() == 21);
assert(static_cast<std::size_t>(distance(c.begin(), c.end())) == c.size());
it = c.cbegin();
for (int k = 0; k < i; ++k, ++it)
assert(*it == k);
assert(*it == j);
++it;
for (int k = i; k < 20; ++k, ++it)
assert(*it == k);
}
}
}
int main()
{
{
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<int> >(rng[i], rng[j]);
self_reference_test<std::deque<int> >();
}
#if TEST_STD_VER >= 11
{
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<int, min_allocator<int>> >(rng[i], rng[j]);
self_reference_test<std::deque<int, min_allocator<int>> >();
}
#endif
}
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