1 /*
2 * Copyright (C) 2013 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <gtest/gtest.h>
18
19 #include <errno.h>
20 #include <sys/syscall.h>
21 #include <sys/time.h>
22
23 #include "TemporaryFile.h"
24
TEST(sys_time,utimes)25 TEST(sys_time, utimes) {
26 timeval tv[2];
27 memset(&tv, 0, sizeof(tv));
28
29 tv[0].tv_usec = -123;
30 ASSERT_EQ(-1, utimes("/", tv));
31 ASSERT_EQ(EINVAL, errno);
32 tv[0].tv_usec = 1234567;
33 ASSERT_EQ(-1, utimes("/", tv));
34 ASSERT_EQ(EINVAL, errno);
35 tv[0].tv_usec = 0;
36
37 tv[1].tv_usec = -123;
38 ASSERT_EQ(-1, utimes("/", tv));
39 ASSERT_EQ(EINVAL, errno);
40 tv[1].tv_usec = 1234567;
41 ASSERT_EQ(-1, utimes("/", tv));
42 ASSERT_EQ(EINVAL, errno);
43 }
44
45 // http://b/11383777
TEST(sys_time,utimes_NULL)46 TEST(sys_time, utimes_NULL) {
47 TemporaryFile tf;
48 ASSERT_EQ(0, utimes(tf.filename, NULL));
49 }
50
TEST(sys_time,gettimeofday)51 TEST(sys_time, gettimeofday) {
52 // Try to ensure that our vdso gettimeofday is working.
53 timeval tv1;
54 ASSERT_EQ(0, gettimeofday(&tv1, NULL));
55 timeval tv2;
56 ASSERT_EQ(0, syscall(__NR_gettimeofday, &tv2, NULL));
57
58 // What's the difference between the two?
59 tv2.tv_sec -= tv1.tv_sec;
60 tv2.tv_usec -= tv1.tv_usec;
61 if (tv2.tv_usec < 0) {
62 --tv2.tv_sec;
63 tv2.tv_usec += 1000000;
64 }
65
66 // Should be less than (a very generous, to try to avoid flakiness) 1000us.
67 ASSERT_EQ(0, tv2.tv_sec);
68 ASSERT_LT(tv2.tv_usec, 1000);
69 }
70