1 /* 2 * Copyright (C) 2017 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 "perfetto/base/time.h" 18 19 #include "gtest/gtest.h" 20 21 namespace perfetto { 22 namespace base { 23 namespace { 24 25 TEST(TimeTest, Conversions) { 26 TimeMillis ms = GetWallTimeMs(); 27 TimeNanos ns = GetWallTimeNs(); 28 EXPECT_NEAR(ms.count(), ns.count() / 1000000, 1000); 29 30 { 31 struct timespec ts = ToPosixTimespec(TimeMillis(0)); 32 EXPECT_EQ(0, ts.tv_sec); 33 EXPECT_EQ(0, ts.tv_nsec); 34 } 35 { 36 struct timespec ts = ToPosixTimespec(TimeMillis(1)); 37 EXPECT_EQ(0, ts.tv_sec); 38 EXPECT_EQ(1000000, ts.tv_nsec); 39 } 40 { 41 struct timespec ts = ToPosixTimespec(TimeMillis(12345)); 42 EXPECT_EQ(12, ts.tv_sec); 43 EXPECT_EQ(345000000, ts.tv_nsec); 44 } 45 { 46 struct timespec ts = ToPosixTimespec(TimeMillis(1000000000001LL)); 47 EXPECT_EQ(1000000000, ts.tv_sec); 48 EXPECT_EQ(1000000, ts.tv_nsec); 49 } 50 } 51 52 } // namespace 53 } // namespace base 54 } // namespace perfetto 55
