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/*
* Copyright (C) 2014 Martine Lenders <mlenders@inf.fu-berlin.de>
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
#include <string.h>
#include "embUnit.h"
#include "priority_queue.h"
#include "tests-core.h"
#define Q_LEN (4)
static priority_queue_t q = PRIORITY_QUEUE_INIT;
static priority_queue_node_t qe[Q_LEN];
static void set_up(void)
{
priority_queue_init(&q);
for (unsigned i = 0; i < sizeof(qe)/sizeof(priority_queue_node_t); ++i) {
priority_queue_node_init(&(qe[i]));
}
}
static void test_priority_queue_remove_head_empty(void)
{
priority_queue_t *root = &q;
priority_queue_node_t *res;
res = priority_queue_remove_head(root);
TEST_ASSERT_NULL(res);
}
static void test_priority_queue_remove_head_one(void)
{
priority_queue_t *root = &q;
priority_queue_node_t *elem = &(qe[1]), *res;
elem->data = 62801;
priority_queue_add(root, elem);
res = priority_queue_remove_head(root);
TEST_ASSERT(res == elem);
TEST_ASSERT_EQUAL_INT(62801, res->data);
res = priority_queue_remove_head(root);
TEST_ASSERT_NULL(res);
}
static void test_priority_queue_add_one(void)
{
priority_queue_t *root = &q;
priority_queue_node_t *elem = &(qe[1]);
elem->data = 7317;
elem->priority = 713643658;
priority_queue_add(root, elem);
TEST_ASSERT(root->first == elem);
TEST_ASSERT_EQUAL_INT(7317, root->first->data);
TEST_ASSERT_EQUAL_INT(713643658, root->first->priority);
TEST_ASSERT_NULL(root->first->next);
}
static void test_priority_queue_add_two_equal(void)
{
priority_queue_t *root = &q;
priority_queue_node_t *elem1 = &(qe[1]), *elem2 = &(qe[2]);
elem1->data = 27088;
elem1->priority = 14202;
elem2->data = 4356;
elem2->priority = 14202;
priority_queue_add(root, elem1);
priority_queue_add(root, elem2);
TEST_ASSERT(root->first == elem1);
TEST_ASSERT_EQUAL_INT(27088, root->first->data);
TEST_ASSERT_EQUAL_INT(14202, root->first->priority);
TEST_ASSERT(root->first->next == elem2);
TEST_ASSERT_EQUAL_INT(4356, root->first->next->data);
TEST_ASSERT_EQUAL_INT(14202, root->first->next->priority);
TEST_ASSERT_NULL(root->first->next->next);
}
static void test_priority_queue_add_two_distinct(void)
{
priority_queue_t *root = &q;
priority_queue_node_t *elem1 = &(qe[1]), *elem2 = &(qe[2]);
elem1->data = 46421;
elem1->priority = 4567;
elem2->data = 43088;
elem2->priority = 1234;
priority_queue_add(root, elem1);
priority_queue_add(root, elem2);
TEST_ASSERT(root->first == elem2);
TEST_ASSERT_EQUAL_INT(43088, root->first->data);
TEST_ASSERT_EQUAL_INT(1234, root->first->priority);
TEST_ASSERT(root->first->next == elem1);
TEST_ASSERT_EQUAL_INT(46421, root->first->next->data);
TEST_ASSERT_EQUAL_INT(4567, root->first->next->priority);
TEST_ASSERT_NULL(root->first->next->next);
}
static void test_priority_queue_remove_one(void)
{
priority_queue_t *root = &q;
priority_queue_node_t *elem1 = &(qe[1]), *elem2 = &(qe[2]), *elem3 = &(qe[3]);
priority_queue_add(root, elem1);
priority_queue_add(root, elem2);
priority_queue_add(root, elem3);
priority_queue_remove(root, elem2);
TEST_ASSERT(root->first == elem1);
TEST_ASSERT(root->first->next == elem3);
TEST_ASSERT_NULL(root->first->next->next);
}
Test *tests_core_priority_queue_tests(void)
{
EMB_UNIT_TESTFIXTURES(fixtures) {
new_TestFixture(test_priority_queue_remove_head_empty),
new_TestFixture(test_priority_queue_remove_head_one),
new_TestFixture(test_priority_queue_add_one),
new_TestFixture(test_priority_queue_add_two_equal),
new_TestFixture(test_priority_queue_add_two_distinct),
new_TestFixture(test_priority_queue_remove_one),
};
EMB_UNIT_TESTCALLER(core_priority_queue_tests, set_up, NULL,
fixtures);
return (Test *)&core_priority_queue_tests;
}
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