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libcxx_old/test/std/containers/sequences/deque/deque.modifiers/clear.pass.cpp

69 lines
1.7 KiB
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>
// void clear() noexcept;
#include <deque>
#include <cassert>
#include "test_macros.h"
#include "../../../NotConstructible.h"
#include "min_allocator.h"
int main(int, char**)
{
{
typedef NotConstructible T;
typedef std::deque<T> C;
C c;
ASSERT_NOEXCEPT(c.clear());
c.clear();
assert(distance(c.begin(), c.end()) == 0);
}
{
typedef int T;
typedef std::deque<T> C;
const T t[] = {0, 1, 2, 3, 4};
C c(std::begin(t), std::end(t));
ASSERT_NOEXCEPT(c.clear());
c.clear();
assert(distance(c.begin(), c.end()) == 0);
c.clear();
assert(distance(c.begin(), c.end()) == 0);
}
#if TEST_STD_VER >= 11
{
typedef NotConstructible T;
typedef std::deque<T, min_allocator<T>> C;
C c;
ASSERT_NOEXCEPT(c.clear());
c.clear();
assert(distance(c.begin(), c.end()) == 0);
}
{
typedef int T;
typedef std::deque<T, min_allocator<T>> C;
const T t[] = {0, 1, 2, 3, 4};
C c(std::begin(t), std::end(t));
ASSERT_NOEXCEPT(c.clear());
c.clear();
assert(distance(c.begin(), c.end()) == 0);
c.clear();
assert(distance(c.begin(), c.end()) == 0);
}
#endif
return 0;
}