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// SPDX-License-Identifier: LGPL-2.1-or-later
/*
* This file is part of the PCEPlib, a PCEP protocol library.
*
* Copyright (C) 2020 Volta Networks https://voltanet.io/
*
* Author : Brady Johnson <brady@voltanet.io>
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <assert.h>
#include <CUnit/CUnit.h>
#include "pcep_utils_queue.h"
#include "pcep_utils_queue_test.h"
typedef struct node_data_ {
int int_data;
} node_data;
void test_empty_queue()
{
queue_handle *handle = queue_initialize();
CU_ASSERT_PTR_NOT_NULL(handle);
assert(handle != NULL);
CU_ASSERT_PTR_NULL(handle->head);
CU_ASSERT_EQUAL(handle->num_entries, 0);
queue_destroy(handle);
}
void test_null_queue_handle()
{
/* test each method handles a NULL handle without crashing */
node_data data;
queue_destroy(NULL);
void *ptr = queue_enqueue(NULL, &data);
CU_ASSERT_PTR_NULL(ptr);
ptr = queue_dequeue(NULL);
CU_ASSERT_PTR_NULL(ptr);
}
void test_enqueue()
{
node_data data1, data2, data3;
data1.int_data = 1;
data2.int_data = 2;
data3.int_data = 3;
queue_handle *handle = queue_initialize();
queue_enqueue(handle, &data1);
queue_enqueue(handle, &data2);
queue_enqueue(handle, &data3);
CU_ASSERT_EQUAL(handle->num_entries, 3);
queue_node *node = handle->head;
CU_ASSERT_PTR_EQUAL(node->data, &data1);
node = node->next_node;
CU_ASSERT_PTR_EQUAL(node->data, &data2);
node = node->next_node;
CU_ASSERT_PTR_EQUAL(node->data, &data3);
node = node->next_node;
CU_ASSERT_PTR_NULL(node);
queue_destroy(handle);
}
void test_enqueue_with_limit()
{
node_data data1, data2, data3;
data1.int_data = 1;
data2.int_data = 2;
data3.int_data = 3;
queue_handle *handle = queue_initialize_with_size(2);
queue_node *node = queue_enqueue(handle, &data1);
CU_ASSERT_PTR_NOT_NULL(node);
node = queue_enqueue(handle, &data2);
CU_ASSERT_PTR_NOT_NULL(node);
node = queue_enqueue(handle, &data3);
CU_ASSERT_PTR_NULL(node);
CU_ASSERT_EQUAL(handle->num_entries, 2);
node = handle->head;
CU_ASSERT_PTR_EQUAL(node->data, &data1);
node = node->next_node;
CU_ASSERT_PTR_EQUAL(node->data, &data2);
node = node->next_node;
CU_ASSERT_PTR_NULL(node);
queue_destroy(handle);
}
void test_dequeue()
{
node_data data1, data2, data3;
data1.int_data = 1;
data2.int_data = 2;
data3.int_data = 3;
queue_handle *handle = queue_initialize();
/* first test dequeue handles an empty queue */
void *node_data = queue_dequeue(handle);
CU_ASSERT_PTR_NULL(node_data);
queue_enqueue(handle, &data1);
queue_enqueue(handle, &data2);
queue_enqueue(handle, &data3);
node_data = queue_dequeue(handle);
CU_ASSERT_PTR_EQUAL(node_data, &data1);
CU_ASSERT_EQUAL(handle->num_entries, 2);
node_data = queue_dequeue(handle);
CU_ASSERT_PTR_EQUAL(node_data, &data2);
CU_ASSERT_EQUAL(handle->num_entries, 1);
node_data = queue_dequeue(handle);
CU_ASSERT_PTR_EQUAL(node_data, &data3);
CU_ASSERT_EQUAL(handle->num_entries, 0);
node_data = queue_dequeue(handle);
CU_ASSERT_PTR_NULL(node_data);
queue_destroy(handle);
}
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