* Copyright (c) 2026 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdio.h>
#include <string.h>
#include <wchar.h>
#include "test.h"
* @tc.name : wcsspn_0100
* @tc.desc : All characters in accept set
* @tc.level : Level 0
*/
void wcsspn_0100(void)
{
size_t result = wcsspn(L"hello world", L"abcdefghijklmnopqrstuvwxyz ");
size_t want = 11U;
if (result != want) {
t_error("%s wcsspn get result is %zu, not %zu\n", __func__, result, want);
}
}
* @tc.name : wcsspn_0200
* @tc.desc : First character not in accept set
* @tc.level : Level 0
*/
void wcsspn_0200(void)
{
size_t result = wcsspn(L"hello world", L"xyz");
size_t want = 0U;
if (result != want) {
t_error("%s wcsspn get result is %zu, not %zu\n", __func__, result, want);
}
}
* @tc.name : wcsspn_0300
* @tc.desc : Partial match, first 5 characters in accept
* @tc.level : Level 0
*/
void wcsspn_0300(void)
{
size_t result = wcsspn(L"hello world", L"abcdefghijklmnopqrstuvwxyz");
size_t want = 5U;
if (result != want) {
t_error("%s wcsspn get result is %zu, not %zu\n", __func__, result, want);
}
}
* @tc.name : wcsspn_0400
* @tc.desc : Empty string
* @tc.level : Level 1
*/
void wcsspn_0400(void)
{
size_t result = wcsspn(L"", L"abc");
size_t want = 0U;
if (result != want) {
t_error("%s wcsspn get result is %zu, not %zu\n", __func__, result, want);
}
}
* @tc.name : wcsspn_0500
* @tc.desc : Empty accept set
* @tc.level : Level 1
*/
void wcsspn_0500(void)
{
size_t result = wcsspn(L"hello", L"");
size_t want = 0U;
if (result != want) {
t_error("%s wcsspn get result is %zu, not %zu\n", __func__, result, want);
}
}
* @tc.name : wcsspn_0600
* @tc.desc : Empty string and empty accept set
* @tc.level : Level 1
*/
void wcsspn_0600(void)
{
size_t result = wcsspn(L"", L"");
size_t want = 0U;
if (result != want) {
t_error("%s wcsspn get result is %zu, not %zu\n", __func__, result, want);
}
}
* @tc.name : wcsspn_0700
* @tc.desc : Single character accept set
* @tc.level : Level 1
*/
void wcsspn_0700(void)
{
size_t result = wcsspn(L"aaaaab", L"a");
size_t want = 5U;
if (result != want) {
t_error("%s wcsspn get result is %zu, not %zu\n", __func__, result, want);
}
}
* @tc.name : wcsspn_0800
* @tc.desc : Unicode characters in accept set
* @tc.level : Level 1
*/
void wcsspn_0800(void)
{
size_t result = wcsspn(L"中文English混合", L"中");
size_t want = 1U;
if (result != want) {
t_error("%s wcsspn get result is %zu, not %zu\n", __func__, result, want);
}
}
* @tc.name : wcsspn_0900
* @tc.desc : String starts with null character
* @tc.level : Level 2
*/
void wcsspn_0900(void)
{
wchar_t s[] = L"\0hello";
size_t result = wcsspn(s, L"abc");
size_t want = 0U;
if (result != want) {
t_error("%s wcsspn get result is %zu, not %zu\n", __func__, result, want);
}
}
* @tc.name : wcsspn_1000
* @tc.desc : Accept set contains null character
* @tc.level : Level 2
*/
void wcsspn_1000(void)
{
wchar_t accept[] = L"a\0b\0c";
size_t result = wcsspn(L"aab", accept);
size_t want = 2U;
if (result != want) {
t_error("%s wcsspn get result is %zu, not %zu\n", __func__, result, want);
}
}
* @tc.name : wcsspn_1100
* @tc.desc : Digits accept set
* @tc.level : Level 1
*/
void wcsspn_1100(void)
{
size_t result = wcsspn(L"123abc456", L"0123456789");
size_t want = 3U;
if (result != want) {
t_error("%s wcsspn get result is %zu, not %zu\n", __func__, result, want);
}
}
* @tc.name : wcsspn_1200
* @tc.desc : Whitespace accept set
* @tc.level : Level 1
*/
void wcsspn_1200(void)
{
size_t result = wcsspn(L" \t\nhello", L" \t\n");
size_t want = 3U;
if (result != want) {
t_error("%s wcsspn get result is %zu, not %zu\n", __func__, result, want);
}
}
* @tc.name : wcsspn_1300
* @tc.desc : Control characters in accept
* @tc.level : Level 2
*/
void wcsspn_1300(void)
{
wchar_t s[] = L"\x01\x02\x03ABC";
size_t result = wcsspn(s, L"\x01\x02\x03");
size_t want = 3U;
if (result != want) {
t_error("%s wcsspn get result is %zu, not %zu\n", __func__, result, want);
}
}
* @tc.name : wcsspn_1400
* @tc.desc : Verify wcschr is called correctly
* @tc.level : Level 2
*/
void wcsspn_1400(void)
{
size_t result1 = wcsspn(L"abcde", L"abc");
if (result1 != 3) {
t_error("%s wcsspn get result is %zu, not 3\n", __func__, result1);
}
size_t result2 = wcsspn(L"abcde", L"abcdefgh");
if (result2 != 5) {
t_error("%s wcsspn get result is %zu, not 5\n", __func__, result2);
}
}
* @tc.name : wcsspn_1500
* @tc.desc : Long string with all characters in accept
* @tc.level : Level 2
*/
void wcsspn_1500(void)
{
wchar_t long_str[1000];
for (int i = 0; i < 999; i++) {
long_str[i] = L'a' + (i % 26);
}
long_str[999] = L'\0';
wchar_t accept[27];
for (int i = 0; i < 26; i++) {
accept[i] = L'a' + i;
}
accept[26] = L'\0';
size_t result = wcsspn(long_str, accept);
if (result != 999) {
t_error("%s wcsspn get result is %zu, not 999\n", __func__, result);
}
}
* @tc.name : wcsspn_1600
* @tc.desc : String contains embedded null
* @tc.level : Level 2
*/
void wcsspn_1600(void)
{
wchar_t s[] = L"ab\0cd";
size_t result = wcsspn(s, L"ab");
size_t want = 2U;
if (result != want) {
t_error("%s wcsspn get result is %zu, not %zu\n", __func__, result, want);
}
}
* @tc.name : wcsspn_1700
* @tc.desc : Compare with wcscspn (inverse)
* @tc.level : Level 2
*/
void wcsspn_1700(void)
{
wchar_t *s = L"abc123def";
wchar_t *accept = L"abcdefghijklmnopqrstuvwxyz";
wchar_t *reject = L"0123456789";
size_t spn_result = wcsspn(s, accept);
size_t cspn_result = wcscspn(s, reject);
if (spn_result != 3) {
t_error("%s wcsspn get result is %zu, not 3\n", __func__, spn_result);
}
if (cspn_result != 3) {
t_error("%s wcscspn get result is %zu, not 3\n", __func__, cspn_result);
}
if (spn_result != cspn_result) {
t_error("%s wcsspn (%zu) != wcscspn (%zu)\n", __func__, spn_result, cspn_result);
}
}
* @tc.name : wcsspn_1800
* @tc.desc : Maximum wchar_t value in accept
* @tc.level : Level 2
*/
void wcsspn_1800(void)
{
wchar_t max_char = (wchar_t)-1;
wchar_t s[] = {max_char, L'a', L'b', L'\0'};
wchar_t accept[] = {max_char, L'\0'};
size_t result = wcsspn(s, accept);
if (result != 1) {
t_error("%s wcsspn get result is %zu, not 1\n", __func__, result);
}
}
int main(int argc, char *argv[])
{
wcsspn_0100();
wcsspn_0200();
wcsspn_0300();
wcsspn_0400();
wcsspn_0500();
wcsspn_0600();
wcsspn_0700();
wcsspn_0800();
wcsspn_0900();
wcsspn_1000();
wcsspn_1100();
wcsspn_1200();
wcsspn_1300();
wcsspn_1400();
wcsspn_1500();
wcsspn_1600();
wcsspn_1700();
wcsspn_1800();
return t_status;
}
