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libcxx/test/std/containers/sequences/vector.bool/construct_default.pass.cpp

80 lines
2.1 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.
//
//===----------------------------------------------------------------------===//
// vector<bool>
// vector();
// vector(const Alloc&);
// This tests a conforming extension
// For vector<>, this was added to the standard by N4258,
// but vector<bool> was not changed.
#include <vector>
#include <cassert>
#include "test_macros.h"
#include "test_allocator.h"
#include "min_allocator.h"
template <class C>
void
test0()
{
#if TEST_STD_VER > 14
LIBCPP_STATIC_ASSERT((noexcept(C{})), "" );
#elif TEST_STD_VER >= 11
LIBCPP_STATIC_ASSERT((noexcept(C()) == noexcept(typename C::allocator_type())), "" );
#endif
C c;
LIBCPP_ASSERT(c.__invariants());
assert(c.empty());
assert(c.get_allocator() == typename C::allocator_type());
#if TEST_STD_VER >= 11
C c1 = {};
LIBCPP_ASSERT(c1.__invariants());
assert(c1.empty());
assert(c1.get_allocator() == typename C::allocator_type());
#endif
}
template <class C>
void
test1(const typename C::allocator_type& a)
{
#if TEST_STD_VER > 14
LIBCPP_STATIC_ASSERT((noexcept(C{typename C::allocator_type{}})), "" );
#elif TEST_STD_VER >= 11
LIBCPP_STATIC_ASSERT((noexcept(C(typename C::allocator_type())) == std::is_nothrow_copy_constructible<typename C::allocator_type>::value), "" );
#endif
C c(a);
LIBCPP_ASSERT(c.__invariants());
assert(c.empty());
assert(c.get_allocator() == a);
}
int main()
{
{
test0<std::vector<bool> >();
test1<std::vector<bool, test_allocator<bool> > >(test_allocator<bool>(3));
}
#if TEST_STD_VER >= 11
{
test0<std::vector<bool, min_allocator<bool>> >();
test1<std::vector<bool, min_allocator<bool> > >(min_allocator<bool>());
}
{
test0<std::vector<bool, explicit_allocator<bool>> >();
test1<std::vector<bool, explicit_allocator<bool> > >(explicit_allocator<bool>());
}
#endif
}