File: test-list.c

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// SPDX-License-Identifier: LGPL-2.1-or-later
/*
 * Copyright (C)  2015 Intel Corporation. All rights reserved.
 */

#include <stdio.h>
#include <stdlib.h>

#include <libkmod/libkmod-internal.h>

/* FIXME: hack, change name so we don't clash */
#undef ERR
#include "testsuite.h"

static int len(struct kmod_list *list)
{
	int count = 0;
	struct kmod_list *l;
	kmod_list_foreach(l, list)
		count++;
	return count;
}

static void kmod_list_remove_all(struct kmod_list *list)
{
	while (list)
		list = kmod_list_remove(list);
}

static int test_list_last(const struct test *t)
{
	struct kmod_list *list = NULL, *last;
	int i;
	const char *v[] = { "v1", "v2", "v3", "v4", "v5" };
	const int N = ARRAY_SIZE(v);

	for (i = 0; i < N; i++)
		list = kmod_list_append(list, v[i]);
	assert_return(len(list) == N, EXIT_FAILURE);

	last = kmod_list_last(list);
	assert_return(last->data == v[N - 1], EXIT_FAILURE);

	kmod_list_remove_all(list);

	return 0;
}
DEFINE_TEST(test_list_last, .description = "test for the last element of a list");

static int test_list_prev(const struct test *t)
{
	struct kmod_list *list = NULL, *l, *p;
	int i;
	const char *v[] = { "v1", "v2", "v3", "v4", "v5" };
	const int N = ARRAY_SIZE(v);

	l = kmod_list_prev(list, list);
	assert_return(l == NULL, EXIT_FAILURE);

	for (i = 0; i < N; i++)
		list = kmod_list_append(list, v[i]);

	l = kmod_list_prev(list, list);
	assert_return(l == NULL, EXIT_FAILURE);

	l = list;
	for (i = 0; i < N - 1; i++) {
		l = kmod_list_next(list, l);
		p = kmod_list_prev(list, l);
		assert_return(p->data == v[i], EXIT_FAILURE);
	}

	kmod_list_remove_all(list);

	return 0;
}
DEFINE_TEST(test_list_prev, .description = "test list prev");

static int test_list_remove_data(const struct test *t)
{
	struct kmod_list *list = NULL, *l;
	int i;
	const char *v[] = { "v1", "v2", "v3", "v4", "v5" }, *removed;
	const int N = ARRAY_SIZE(v);

	for (i = 0; i < N; i++)
		list = kmod_list_append(list, v[i]);

	removed = v[N / 2];
	list = kmod_list_remove_data(list, removed);
	assert_return(len(list) == N - 1, EXIT_FAILURE);

	kmod_list_foreach(l, list)
		assert_return(l->data != removed, EXIT_FAILURE);

	kmod_list_remove_all(list);

	return 0;
}
DEFINE_TEST(test_list_remove_data,
	    .description = "test list function to remove element by data");

static int test_list_append_list(const struct test *t)
{
	struct kmod_list *a = NULL, *b = NULL, *c, *l;
	int i;
	const char *v[] = { "v1", "v2", "v3", "v4", "v5" };
	const int N = ARRAY_SIZE(v), M = N / 2;

	for (i = 0; i < M; i++)
		a = kmod_list_append(a, v[i]);
	assert_return(len(a) == M, EXIT_FAILURE);

	for (i = M; i < N; i++)
		b = kmod_list_append(b, v[i]);
	assert_return(len(b) == N - M, EXIT_FAILURE);

	a = kmod_list_append_list(a, NULL);
	assert_return(len(a) == M, EXIT_FAILURE);

	b = kmod_list_append_list(NULL, b);
	assert_return(len(b) == N - M, EXIT_FAILURE);

	c = kmod_list_append_list(a, b);
	assert_return(len(c) == N, EXIT_FAILURE);

	i = 0;
	kmod_list_foreach(l, c) {
		assert_return(l->data == v[i], EXIT_FAILURE);
		i++;
	}

	kmod_list_remove_all(c);

	return 0;
}
DEFINE_TEST(test_list_append_list,
	    .description = "test list function to append another list");

static int test_list_insert_before(const struct test *t)
{
	struct kmod_list *list = NULL, *l;
	const char *v1 = "v1", *v2 = "v2", *v3 = "v3", *vx = "vx";

	list = kmod_list_insert_before(list, v3);
	assert_return(len(list) == 1, EXIT_FAILURE);

	list = kmod_list_insert_before(list, v2);
	list = kmod_list_insert_before(list, v1);
	assert_return(len(list) == 3, EXIT_FAILURE);

	l = list;
	assert_return(l->data == v1, EXIT_FAILURE);

	l = kmod_list_next(list, l);
	assert_return(l->data == v2, EXIT_FAILURE);

	l = kmod_list_insert_before(l, vx);
	assert_return(len(list) == 4, EXIT_FAILURE);
	assert_return(l->data == vx, EXIT_FAILURE);

	l = kmod_list_next(list, l);
	assert_return(l->data == v2, EXIT_FAILURE);

	l = kmod_list_next(list, l);
	assert_return(l->data == v3, EXIT_FAILURE);

	kmod_list_remove_all(list);

	return 0;
}
DEFINE_TEST(test_list_insert_before,
	    .description = "test list function to insert before element");

static int test_list_insert_after(const struct test *t)
{
	struct kmod_list *list = NULL, *l;
	const char *v1 = "v1", *v2 = "v2", *v3 = "v3", *vx = "vx";

	list = kmod_list_insert_after(list, v1);
	assert_return(len(list) == 1, EXIT_FAILURE);

	list = kmod_list_insert_after(list, v3);
	list = kmod_list_insert_after(list, v2);
	assert_return(len(list) == 3, EXIT_FAILURE);

	l = list;
	assert_return(l->data == v1, EXIT_FAILURE);

	l = kmod_list_insert_after(l, vx);
	assert_return(len(list) == 4, EXIT_FAILURE);
	assert_return(l->data == v1, EXIT_FAILURE);

	l = kmod_list_next(list, l);
	assert_return(l->data == vx, EXIT_FAILURE);

	l = kmod_list_next(list, l);
	assert_return(l->data == v2, EXIT_FAILURE);

	l = kmod_list_next(list, l);
	assert_return(l->data == v3, EXIT_FAILURE);

	kmod_list_remove_all(list);

	return 0;
}
DEFINE_TEST(test_list_insert_after,
	    .description = "test list function to insert after element");

TESTSUITE_MAIN();