harfbuzz/src/test-priority-queue.cc

90 lines
2.3 KiB
C++

/*
* Copyright © 2020 Google, Inc.
*
* This is part of HarfBuzz, a text shaping library.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and its documentation for any purpose, provided that the
* above copyright notice and the following two paragraphs appear in
* all copies of this software.
*
* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
* Google Author(s): Garret Rieger
*/
#include "hb.hh"
#include "hb-priority-queue.hh"
static void
test_insert ()
{
hb_priority_queue_t queue;
assert (queue.is_empty ());
queue.insert (10, 0);
assert (!queue.is_empty ());
assert (queue.minimum () == hb_pair (10, 0));
queue.insert (20, 1);
assert (queue.minimum () == hb_pair (10, 0));
queue.insert (5, 2);
assert (queue.minimum () == hb_pair (5, 2));
queue.insert (15, 3);
assert (queue.minimum () == hb_pair (5, 2));
queue.insert (1, 4);
assert (queue.minimum () == hb_pair (1, 4));
}
static void
test_extract ()
{
hb_priority_queue_t queue;
queue.insert (0, 0);
queue.insert (60, 6);
queue.insert (30, 3);
queue.insert (40 ,4);
queue.insert (20, 2);
queue.insert (50, 5);
queue.insert (70, 7);
queue.insert (10, 1);
for (int i = 0; i < 8; i++)
{
assert (!queue.is_empty ());
assert (queue.minimum () == hb_pair (i * 10, i));
assert (queue.pop_minimum () == hb_pair (i * 10, i));
}
assert (queue.is_empty ());
}
static void
test_extract_empty ()
{
hb_priority_queue_t queue;
assert (queue.pop_minimum () == hb_pair (0, 0));
}
int
main (int argc, char **argv)
{
test_insert ();
test_extract ();
test_extract_empty ();
}