1/*
2 * Copyright (c) 2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *   http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16#include <malloc.h>
17#include <sched.h>
18#include <signal.h>
19#include <unistd.h>
20#include "functionalext.h"
21
22const int STACK_SIZE = 1024 * 8192;
23const int SUCCESS = 0;
24void *test(void *p)
25{
26    return NULL;
27}
28
29/**
30 * @tc.name      : clone_0100
31 * @tc.desc      : Each parameter is valid, and a new thread can be created through the clone function.
32 * @tc.level     : Level 0
33 */
34void clone_0100(void)
35{
36    void *stack = malloc(STACK_SIZE);
37    int cpid = -1;
38    cpid = clone((int (*)(void *))test, (char *)stack + STACK_SIZE, CLONE_VM | CLONE_FS | CLONE_FILES | SIGCHLD, NULL);
39    sleep(1);
40    EXPECT_NE("clone_0100", cpid, -1);
41}
42
43/**
44 * @tc.name      : clone_0200
45 * @tc.desc      : Parameter flags is 0.
46 * @tc.level     : Level 2
47 */
48void clone_0200(void)
49{
50    void *stack = malloc(STACK_SIZE);
51    int cpid = -1;
52    cpid = clone((int (*)(void *))test, (char *)stack + STACK_SIZE, 0, NULL);
53    sleep(1);
54    EXPECT_NE("clone_0200", cpid, -1);
55}
56
57/**
58 * @tc.name      : clone_0300
59 * @tc.desc      : Parameter stack is NULL.
60 * @tc.level     : Level 2
61 */
62void clone_0300(void)
63{
64    int cpid = -1;
65    cpid = clone((int (*)(void *))test, NULL, 0, NULL);
66    sleep(1);
67    EXPECT_NE("clone_0300", cpid, -1);
68}
69
70int main(int argc, char *argv[])
71{
72    clone_0100();
73    clone_0200();
74    clone_0300();
75    return t_status;
76}
77