/*
This file is part of t8code.
t8code is a C library to manage a collection (a forest) of multiple
connected adaptive space-trees of general element classes in parallel.
Copyright (C) 2024 the developers
t8code is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
t8code is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with t8code; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <gtest/gtest.h>
#include <t8.h>
/* Some of our tests rely on the assumption that NULL is equal to nullptr.
* Though we can expect this to be the case for every system, it is actually
* not standard.
* Therefore, we add an extra test to check this property.
*/
TEST (t8_gtest_nullptr_check, NULL_is_nullptr)
{
// The Clang compiler throws a warning here about the comparison of NULL and nullptr.
// These pragmas allow to locally ignore the associated warning in Clang to allow
// compiling with -WError
#if defined(__clang__)
#pragma clang diagnostic ignored "-Wnull-arithmetic"
#pragma clang diagnostic push
#endif
/* Check both ways to catch possible one-way conversion error. */
ASSERT_TRUE (nullptr == NULL);
ASSERT_TRUE (NULL == nullptr);
// End of ignore -Wnull-arithmetic section.
#if defined(__clang__)
#pragma clang diagnostic pop
#endif
}
