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 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 46 TEST(sys_time, utimes_NULL) { 47 TemporaryFile tf; 48 ASSERT_EQ(0, utimes(tf.filename, NULL)); 49 } 50 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) 2ms (2000us). 67 ASSERT_EQ(0, tv2.tv_sec); 68 ASSERT_LT(tv2.tv_usec, 2000); 69 } 70
