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 <stdlib.h>
17#include "functionalext.h"
18
19/**
20 * @tc.name      : srand48_0100
21 * @tc.desc      : Verify that the random number can be obtained by calling the srand48 function.
22 * @tc.level     : Level 0
23 */
24void srand48_0100(void)
25{
26    struct srand48_data {
27        long seed;
28        double value[5];
29    };
30    struct srand48_data test_data[2] = {
31        {1,
32            {0.0416303447718782138,
33                0.454492444728629152,
34                0.834817218166914898,
35                0.335986030145200232,
36                0.565489403566136417}},
37        {2,
38            {0.912432653437466712,
39                0.15908290897229449,
40                0.573262780710262376,
41                0.801506833263324836,
42                0.553675300337165055}},
43    };
44    int i, j;
45    for (i = 0; i < 2; i++) {
46        srand48(test_data[i].seed);
47        for (j = 0; j < 5; j++) {
48            EXPECT_TRUE("srand48_0100", fabs(drand48() - test_data[i].value[j]) < 0.00000000001);
49        }
50    }
51}
52
53int main(int argc, char *argv[])
54{
55    srand48_0100();
56
57    return t_status;
58}