1 /*
2 * Copyright (C) 2024 HiHope Open Source Organization.
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 <csignal>
17 #include <cstdlib>
18 #include <cstdio>
19 #include <ctime>
20 #include <unistd.h>
21 #include <gtest/gtest.h>
22
23 using namespace testing::ext;
24 using namespace std;
25
26 class ClockGetresApiTest : public testing::Test {
27 public:
28 static void SetUpTestCase();
29 static void TearDownTestCase();
30 void SetUp();
31 void TearDown();
32 private:
33 };
SetUp()34 void ClockGetresApiTest::SetUp()
35 {
36 }
TearDown()37 void ClockGetresApiTest::TearDown()
38 {
39 }
SetUpTestCase()40 void ClockGetresApiTest::SetUpTestCase()
41 {
42 }
TearDownTestCase()43 void ClockGetresApiTest::TearDownTestCase()
44 {
45 }
46
47 /*
48 * @tc.number : SUB_KERNEL_SYSCALL_CLOCK_GETRES_0100
49 * @tc.name : ClockGetresInvalidClockId_0001
50 * @tc.desc : Test clock_getres with an invalid clock_id.
51 * @tc.size : MediumTest
52 * @tc.type : Function
53 * @tc.level : Level 2
54 */
HWTEST_F(ClockGetresApiTest, ClockGetresInvalidClockId_0001, Function | MediumTest | Level2)55 HWTEST_F(ClockGetresApiTest, ClockGetresInvalidClockId_0001, Function | MediumTest | Level2)
56 {
57 struct timespec res;
58 clockid_t invalidClockId = -1;
59 int ret = clock_getres(invalidClockId, &res);
60
61 EXPECT_EQ(ret, -1);
62 EXPECT_EQ(errno, EINVAL);
63 }
64
65 /*
66 * @tc.number : SUB_KERNEL_SYSCALL_CLOCK_GETRES_0200
67 * @tc.name : ClockGetresSuccess_0002
68 * @tc.desc : Test clock_getres successfully gets the resolution of a valid clock.
69 * @tc.size : MediumTest
70 * @tc.type : Function
71 * @tc.level : Level 1
72 */
HWTEST_F(ClockGetresApiTest, ClockGetresSuccess_0002, Function | MediumTest | Level1)73 HWTEST_F(ClockGetresApiTest, ClockGetresSuccess_0002, Function | MediumTest | Level1)
74 {
75 struct timespec res = { 0 };
76 clockid_t validClockId = CLOCK_REALTIME;
77
78 int ret = clock_getres(validClockId, &res);
79 EXPECT_EQ(ret, 0);
80
81 EXPECT_GE(res.tv_sec, 0);
82 EXPECT_GE(res.tv_nsec, 0);
83 }