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libcxx/test/std/containers/sequences/deque/deque.cons/size.pass.cpp

118 lines
3.1 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>
// explicit deque(size_type n);
#include <deque>
#include <cassert>
#include <cstddef>
#include "test_macros.h"
#include "test_allocator.h"
#include "DefaultOnly.h"
#include "min_allocator.h"
template <class T, class Allocator>
void
test2(unsigned n)
{
#if TEST_STD_VER > 11
typedef std::deque<T, Allocator> C;
typedef typename C::const_iterator const_iterator;
assert(DefaultOnly::count == 0);
{
C d(n, Allocator());
assert(static_cast<unsigned>(DefaultOnly::count) == n);
assert(d.size() == n);
assert(static_cast<std::size_t>(distance(d.begin(), d.end())) == d.size());
for (const_iterator i = d.begin(), e = d.end(); i != e; ++i)
assert(*i == T());
}
assert(DefaultOnly::count == 0);
#else
((void)n);
#endif
}
template <class T, class Allocator>
void
test1(unsigned n)
{
typedef std::deque<T, Allocator> C;
typedef typename C::const_iterator const_iterator;
assert(DefaultOnly::count == 0);
{
C d(n);
assert(static_cast<unsigned>(DefaultOnly::count) == n);
assert(d.size() == n);
assert(static_cast<std::size_t>(distance(d.begin(), d.end())) == d.size());
#if TEST_STD_VER >= 11
for (const_iterator i = d.begin(), e = d.end(); i != e; ++i)
assert(*i == T());
#endif
}
assert(DefaultOnly::count == 0);
}
template <class T, class Allocator>
void
test3(unsigned n, Allocator const &alloc = Allocator())
{
#if TEST_STD_VER > 11
typedef std::deque<T, Allocator> C;
{
C d(n, alloc);
assert(d.size() == n);
assert(d.get_allocator() == alloc);
}
#else
((void)n);
((void)alloc);
#endif
}
template <class T, class Allocator>
void
test(unsigned n)
{
test1<T, Allocator> ( n );
test2<T, Allocator> ( n );
}
int main()
{
test<DefaultOnly, std::allocator<DefaultOnly> >(0);
test<DefaultOnly, std::allocator<DefaultOnly> >(1);
test<DefaultOnly, std::allocator<DefaultOnly> >(10);
test<DefaultOnly, std::allocator<DefaultOnly> >(1023);
test<DefaultOnly, std::allocator<DefaultOnly> >(1024);
test<DefaultOnly, std::allocator<DefaultOnly> >(1025);
test<DefaultOnly, std::allocator<DefaultOnly> >(2047);
test<DefaultOnly, std::allocator<DefaultOnly> >(2048);
test<DefaultOnly, std::allocator<DefaultOnly> >(2049);
test<DefaultOnly, std::allocator<DefaultOnly> >(4095);
test<DefaultOnly, std::allocator<DefaultOnly> >(4096);
test<DefaultOnly, std::allocator<DefaultOnly> >(4097);
LIBCPP_ONLY(test1<DefaultOnly, limited_allocator<DefaultOnly, 4096> >(4095));
#if TEST_STD_VER >= 11
test<DefaultOnly, min_allocator<DefaultOnly> >(4095);
#endif
#if TEST_STD_VER > 11
test3<DefaultOnly, std::allocator<DefaultOnly>> (1023);
test3<int, std::allocator<int>>(1);
test3<int, min_allocator<int>> (3);
#endif
}