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libcxx_old/test/std/containers/sequences/deque/deque.capacity/empty.pass.cpp

48 lines
1018 B
C++

//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <deque>
// class deque
// bool empty() const noexcept;
#include <deque>
#include <cassert>
#include "test_macros.h"
#include "min_allocator.h"
int main(int, char**)
{
{
typedef std::deque<int> C;
C c;
ASSERT_NOEXCEPT(c.empty());
assert(c.empty());
c.push_back(C::value_type(1));
assert(!c.empty());
c.clear();
assert(c.empty());
}
#if TEST_STD_VER >= 11
{
typedef std::deque<int, min_allocator<int>> C;
C c;
ASSERT_NOEXCEPT(c.empty());
assert(c.empty());
c.push_back(C::value_type(1));
assert(!c.empty());
c.clear();
assert(c.empty());
}
#endif
return 0;
}