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 <unistd.h>
17 #include "functionalext.h"
18
19 /*
20 * @tc.name : getentropy_0100
21 * @tc.desc : Verify that secure random numbers can be generated
22 * @tc.level : Level 0
23 */
getentropy_0100(void)24 void getentropy_0100(void)
25 {
26 void *buffer[256];
27 int result = getentropy(buffer, 256);
28 EXPECT_EQ("getentrcopy_0100", result, 0);
29 }
30
31 /*
32 * @tc.name : getentropy_0200
33 * @tc.desc : Validation cannot generate secure random numbers
34 * @tc.level : Level 2
35 */
getentropy_0200(void)36 void getentropy_0200(void)
37 {
38 errno = 0;
39 int result = getentropy(NULL, 1);
40 EXPECT_EQ("getentrcopy_0200", result, -1);
41 EXPECT_EQ("getentrcopy_0200", errno, EFAULT);
42 }
43
main(int argc, char *argv[])44 int main(int argc, char *argv[])
45 {
46 getentropy_0100();
47 getentropy_0200();
48 return t_status;
49 }