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 */
24void 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 */
36void 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
44int main(int argc, char *argv[])
45{
46    getentropy_0100();
47    getentropy_0200();
48    return t_status;
49}