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libcxx/test/std/containers/sequences/vector/vector.capacity/empty.pass.cpp

47 lines
986 B
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.
//
//===----------------------------------------------------------------------===//
// <vector>
// class vector
// bool empty() const noexcept;
#include <vector>
#include <cassert>
#include "test_macros.h"
#include "min_allocator.h"
int main()
{
{
typedef std::vector<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::vector<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
}