1#region Copyright notice and license 2// Protocol Buffers - Google's data interchange format 3// Copyright 2015 Google Inc. All rights reserved. 4// https://developers.google.com/protocol-buffers/ 5// 6// Redistribution and use in source and binary forms, with or without 7// modification, are permitted provided that the following conditions are 8// met: 9// 10// * Redistributions of source code must retain the above copyright 11// notice, this list of conditions and the following disclaimer. 12// * Redistributions in binary form must reproduce the above 13// copyright notice, this list of conditions and the following disclaimer 14// in the documentation and/or other materials provided with the 15// distribution. 16// * Neither the name of Google Inc. nor the names of its 17// contributors may be used to endorse or promote products derived from 18// this software without specific prior written permission. 19// 20// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 23// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 24// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 25// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 26// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 30// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31#endregion 32 33using NUnit.Framework; 34using System; 35 36namespace Google.Protobuf.WellKnownTypes 37{ 38 public class TimestampTest 39 { 40 [Test] 41 public void FromAndToDateTime() 42 { 43 DateTime utcMin = DateTime.SpecifyKind(DateTime.MinValue, DateTimeKind.Utc); 44 DateTime utcMax = DateTime.SpecifyKind(DateTime.MaxValue, DateTimeKind.Utc); 45 AssertRoundtrip(new Timestamp { Seconds = -62135596800 }, utcMin); 46 AssertRoundtrip(new Timestamp { Seconds = 253402300799, Nanos = 999999900 }, utcMax); 47 AssertRoundtrip(new Timestamp(), new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc)); 48 AssertRoundtrip(new Timestamp { Nanos = 1000000}, new DateTime(1970, 1, 1, 0, 0, 0, 1, DateTimeKind.Utc)); 49 AssertRoundtrip(new Timestamp { Seconds = -1, Nanos = 999000000 }, new DateTime(1969, 12, 31, 23, 59, 59, 999, DateTimeKind.Utc)); 50 AssertRoundtrip(new Timestamp { Seconds = 3600 }, new DateTime(1970, 1, 1, 1, 0, 0, DateTimeKind.Utc)); 51 AssertRoundtrip(new Timestamp { Seconds = -3600 }, new DateTime(1969, 12, 31, 23, 0, 0, DateTimeKind.Utc)); 52 } 53 54 [Test] 55 public void ToDateTimeTruncation() 56 { 57 var t1 = new Timestamp { Seconds = 1, Nanos = 1000000 + Duration.NanosecondsPerTick - 1 }; 58 Assert.AreEqual(new DateTime(1970, 1, 1, 0, 0, 1, DateTimeKind.Utc).AddMilliseconds(1), t1.ToDateTime()); 59 60 var t2 = new Timestamp { Seconds = -1, Nanos = 1000000 + Duration.NanosecondsPerTick - 1 }; 61 Assert.AreEqual(new DateTime(1969, 12, 31, 23, 59, 59).AddMilliseconds(1), t2.ToDateTime()); 62 } 63 64 [Test] 65 [TestCase(Timestamp.UnixSecondsAtBclMinValue - 1, Timestamp.MaxNanos)] 66 [TestCase(Timestamp.UnixSecondsAtBclMaxValue + 1, 0)] 67 [TestCase(0, -1)] 68 [TestCase(0, Timestamp.MaxNanos + 1)] 69 public void ToDateTime_OutOfRange(long seconds, int nanoseconds) 70 { 71 var value = new Timestamp { Seconds = seconds, Nanos = nanoseconds }; 72 Assert.Throws<InvalidOperationException>(() => value.ToDateTime()); 73 } 74 75 // 1ns larger or smaller than the above values 76 [Test] 77 [TestCase(Timestamp.UnixSecondsAtBclMinValue, 0)] 78 [TestCase(Timestamp.UnixSecondsAtBclMaxValue, Timestamp.MaxNanos)] 79 [TestCase(0, 0)] 80 [TestCase(0, Timestamp.MaxNanos)] 81 public void ToDateTime_ValidBoundaries(long seconds, int nanoseconds) 82 { 83 var value = new Timestamp { Seconds = seconds, Nanos = nanoseconds }; 84 value.ToDateTime(); 85 } 86 87 private static void AssertRoundtrip(Timestamp timestamp, DateTime dateTime) 88 { 89 Assert.AreEqual(timestamp, Timestamp.FromDateTime(dateTime)); 90 Assert.AreEqual(dateTime, timestamp.ToDateTime()); 91 Assert.AreEqual(DateTimeKind.Utc, timestamp.ToDateTime().Kind); 92 } 93 94 [Test] 95 public void Arithmetic() 96 { 97 Timestamp t1 = new Timestamp { Seconds = 10000, Nanos = 5000 }; 98 Timestamp t2 = new Timestamp { Seconds = 8000, Nanos = 10000 }; 99 Duration difference = new Duration { Seconds = 1999, Nanos = Duration.NanosecondsPerSecond - 5000 }; 100 Assert.AreEqual(difference, t1 - t2); 101 Assert.AreEqual(-difference, t2 - t1); 102 103 Assert.AreEqual(t1, t2 + difference); 104 Assert.AreEqual(t2, t1 - difference); 105 } 106 107 [Test] 108 public void ToString_NonNormalized() 109 { 110 // Just a single example should be sufficient... 111 var duration = new Timestamp { Seconds = 1, Nanos = -1 }; 112 Assert.AreEqual("{ \"@warning\": \"Invalid Timestamp\", \"seconds\": \"1\", \"nanos\": -1 }", duration.ToString()); 113 } 114 } 115} 116