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/* Self tests for the iterator_range class.
Copyright (C) 2026 Free Software Foundation, Inc.
This file is part of GDB.
This program 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 3 of the License, or
(at your option) any later version.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>. */
#include "gdbsupport/selftest.h"
#include "gdbsupport/iterator-range.h"
#include "int-array-iterator.h"
namespace selftests {
using int_array_iterator_range = iterator_range<int_array_iterator>;
static void
test_iterator_range_1 (int_array_iterator_range &r, int array[], int size,
int_array_iterator &begin, int_array_iterator &end)
{
SELF_CHECK (r.begin () == begin);
SELF_CHECK (r.end () == end);
SELF_CHECK (r.size () == size);
SELF_CHECK (r.empty () == (size == 0));
int j = 0;
for (auto i : r)
{
SELF_CHECK (j < size);
SELF_CHECK (i == array[j]);
j++;
}
SELF_CHECK (j == size);
}
static void
test_iterator_range ()
{
int array[] = { 4, 4, 5, 6, 7, 8, 9 };
int array_size = ARRAY_SIZE (array);
int_array_iterator begin (array, array_size);
int_array_iterator end;
{
/* Constructor using begin and end. */
auto r = int_array_iterator_range (begin, end);
test_iterator_range_1 (r, array, array_size, begin, end);
}
{
/* Constructor using begin, assuming end can be default-constructed. */
auto r2 = int_array_iterator_range (begin);
test_iterator_range_1 (r2, array, array_size, begin, end);
}
{
/* Empty range. */
auto r3 = int_array_iterator_range ();
test_iterator_range_1 (r3, nullptr, 0, end, end);
}
{
auto r4 = int_array_iterator_range (begin, end);
/* Copy constructor. */
auto r5 (r4);
test_iterator_range_1 (r5, array, array_size, begin, end);
/* Move constructor. */
auto r6 (std::move (r4));
test_iterator_range_1 (r6, array, array_size, begin, end);
}
{
const auto r7 = int_array_iterator_range (begin, end);
/* Const copy constructor. */
auto r8 (r7);
test_iterator_range_1 (r8, array, array_size, begin, end);
}
}
} /* namespace selftests */
INIT_GDB_FILE (iterator_range_selftests)
{
selftests::register_test ("iterator_range", selftests::test_iterator_range);
}
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