/* * Copyright (C) 2013 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include <gtest/gtest.h> #include <errno.h> #include <sys/syscall.h> #include <sys/time.h> #include "TemporaryFile.h" TEST(sys_time, utimes) { timeval tv[2]; memset(&tv, 0, sizeof(tv)); tv[0].tv_usec = -123; ASSERT_EQ(-1, utimes("/", tv)); ASSERT_EQ(EINVAL, errno); tv[0].tv_usec = 1234567; ASSERT_EQ(-1, utimes("/", tv)); ASSERT_EQ(EINVAL, errno); tv[0].tv_usec = 0; tv[1].tv_usec = -123; ASSERT_EQ(-1, utimes("/", tv)); ASSERT_EQ(EINVAL, errno); tv[1].tv_usec = 1234567; ASSERT_EQ(-1, utimes("/", tv)); ASSERT_EQ(EINVAL, errno); } // http://b/11383777 TEST(sys_time, utimes_NULL) { TemporaryFile tf; ASSERT_EQ(0, utimes(tf.filename, NULL)); } TEST(sys_time, gettimeofday) { // Try to ensure that our vdso gettimeofday is working. timeval tv1; ASSERT_EQ(0, gettimeofday(&tv1, NULL)); timeval tv2; ASSERT_EQ(0, syscall(__NR_gettimeofday, &tv2, NULL)); // What's the difference between the two? tv2.tv_sec -= tv1.tv_sec; tv2.tv_usec -= tv1.tv_usec; if (tv2.tv_usec < 0) { --tv2.tv_sec; tv2.tv_usec += 1000000; } // Should be less than (a very generous, to try to avoid flakiness) 1000us. ASSERT_EQ(0, tv2.tv_sec); ASSERT_LT(tv2.tv_usec, 1000); }