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/* Test of ordered set data type implementation.
Copyright (C) 2020-2023 Free Software Foundation, Inc.
Written by Bruno Haible <bruno@clisp.org>, 2020.
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 <https://www.gnu.org/licenses/>. */
static void
action (const void *str, void *data)
{
((char *) str)[0] += *(int *)data;
}
static void
test_update (gl_oset_implementation_t implementation)
{
char A[2] = "A";
char B[2] = "B";
char C[2] = "C";
char D[2] = "D";
gl_oset_t set1 =
gl_oset_nx_create_empty (implementation, (gl_setelement_compar_fn) strcmp, NULL);
ASSERT (set1 != NULL);
/* Fill the set. */
ASSERT (gl_oset_nx_add (set1, C) == 1);
ASSERT (gl_oset_nx_add (set1, A) == 1);
ASSERT (gl_oset_nx_add (set1, B) == 1);
ASSERT (gl_oset_nx_add (set1, D) == 1);
/* Verify that set1 = ["A", "B", "C", "D"]. */
{
gl_oset_iterator_t iter = gl_oset_iterator (set1);
const void *elt;
ASSERT (gl_oset_iterator_next (&iter, &elt));
ASSERT (elt == A);
ASSERT (gl_oset_iterator_next (&iter, &elt));
ASSERT (elt == B);
ASSERT (gl_oset_iterator_next (&iter, &elt));
ASSERT (elt == C);
ASSERT (gl_oset_iterator_next (&iter, &elt));
ASSERT (elt == D);
ASSERT (!gl_oset_iterator_next (&iter, &elt));
}
/* Make a side effect on an element in the set, that moves the element. */
{
int data = 'G' - 'B';
ASSERT (gl_oset_update (set1, B, action, &data) == 1);
}
/* Verify that set1 = ["A", "C", "D", "G"]. */
{
gl_oset_iterator_t iter = gl_oset_iterator (set1);
const void *elt;
ASSERT (gl_oset_iterator_next (&iter, &elt));
ASSERT (elt == A);
ASSERT (gl_oset_iterator_next (&iter, &elt));
ASSERT (elt == C);
ASSERT (gl_oset_iterator_next (&iter, &elt));
ASSERT (elt == D);
ASSERT (gl_oset_iterator_next (&iter, &elt));
ASSERT (elt == B);
ASSERT (!gl_oset_iterator_next (&iter, &elt));
}
/* Make a side effect on an element in the set, that does not move the
element. */
{
int data = 'E' - 'D';
ASSERT (gl_oset_update (set1, D, action, &data) == 0);
}
/* Verify that set1 = ["A", "C", "E", "G"]. */
{
gl_oset_iterator_t iter = gl_oset_iterator (set1);
const void *elt;
ASSERT (gl_oset_iterator_next (&iter, &elt));
ASSERT (elt == A);
ASSERT (gl_oset_iterator_next (&iter, &elt));
ASSERT (elt == C);
ASSERT (gl_oset_iterator_next (&iter, &elt));
ASSERT (elt == D);
ASSERT (gl_oset_iterator_next (&iter, &elt));
ASSERT (elt == B);
ASSERT (!gl_oset_iterator_next (&iter, &elt));
}
/* Make a side effect on an element in the set, that provokes a
collision. */
{
int data = 'G' - 'A';
ASSERT (gl_oset_update (set1, A, action, &data) == -1);
}
/* Verify that set1 = ["C", "E", "G"]. */
{
gl_oset_iterator_t iter = gl_oset_iterator (set1);
const void *elt;
ASSERT (gl_oset_iterator_next (&iter, &elt));
ASSERT (elt == C);
ASSERT (gl_oset_iterator_next (&iter, &elt));
ASSERT (elt == D);
ASSERT (gl_oset_iterator_next (&iter, &elt));
ASSERT (elt == B);
ASSERT (!gl_oset_iterator_next (&iter, &elt));
}
/* Make a side effect on an element that is not in the set. */
{
int data = 'R' - 'G';
ASSERT (gl_oset_update (set1, A, action, &data) == 0);
}
/* Verify that set1 = ["C", "E", "G"]. */
{
gl_oset_iterator_t iter = gl_oset_iterator (set1);
const void *elt;
ASSERT (gl_oset_iterator_next (&iter, &elt));
ASSERT (elt == C);
ASSERT (gl_oset_iterator_next (&iter, &elt));
ASSERT (elt == D);
ASSERT (gl_oset_iterator_next (&iter, &elt));
ASSERT (elt == B);
ASSERT (!gl_oset_iterator_next (&iter, &elt));
}
gl_oset_free (set1);
}
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