1570af302Sopenharmony_ci/*
2570af302Sopenharmony_ci * Copyright (c) 2022 Huawei Device Co., Ltd.
3570af302Sopenharmony_ci * Licensed under the Apache License, Version 2.0 (the "License");
4570af302Sopenharmony_ci * you may not use this file except in compliance with the License.
5570af302Sopenharmony_ci * You may obtain a copy of the License at
6570af302Sopenharmony_ci *
7570af302Sopenharmony_ci *   http://www.apache.org/licenses/LICENSE-2.0
8570af302Sopenharmony_ci *
9570af302Sopenharmony_ci * Unless required by applicable law or agreed to in writing, software
10570af302Sopenharmony_ci * distributed under the License is distributed on an "AS IS" BASIS,
11570af302Sopenharmony_ci * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12570af302Sopenharmony_ci * See the License for the specific language governing permissions and
13570af302Sopenharmony_ci * limitations under the License.
14570af302Sopenharmony_ci */
15570af302Sopenharmony_ci
16570af302Sopenharmony_ci#include <stdlib.h>
17570af302Sopenharmony_ci#include "functionalext.h"
18570af302Sopenharmony_ci
19570af302Sopenharmony_ci/**
20570af302Sopenharmony_ci * @tc.name      : drand48_0100
21570af302Sopenharmony_ci * @tc.desc      : The function call is successful and returns a double random number between [0.0, 1.0).
22570af302Sopenharmony_ci * @tc.level     : Level 0
23570af302Sopenharmony_ci */
24570af302Sopenharmony_civoid drand48_0100(void)
25570af302Sopenharmony_ci{
26570af302Sopenharmony_ci    srand48(1);
27570af302Sopenharmony_ci    double ret = drand48();
28570af302Sopenharmony_ci    EXPECT_TRUE("drand48_0100", ret >= 0.0 && ret < 1.0);
29570af302Sopenharmony_ci}
30570af302Sopenharmony_ci
31570af302Sopenharmony_ciint main(int argc, char *argv[])
32570af302Sopenharmony_ci{
33570af302Sopenharmony_ci    drand48_0100();
34570af302Sopenharmony_ci    return t_status;
35570af302Sopenharmony_ci}