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 33 using NUnit.Framework; 34 using System; 35 36 namespace Google.Protobuf.WellKnownTypes 37 { 38 public class TimestampTest 39 { 40 [Test] FromAndToDateTime()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] ToDateTimeTruncation()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)] ToDateTime_OutOfRange(long seconds, int nanoseconds)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)] ToDateTime_ValidBoundaries(long seconds, int nanoseconds)81 public void ToDateTime_ValidBoundaries(long seconds, int nanoseconds) 82 { 83 var value = new Timestamp { Seconds = seconds, Nanos = nanoseconds }; 84 value.ToDateTime(); 85 } 86 AssertRoundtrip(Timestamp timestamp, DateTime dateTime)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] Arithmetic()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] ToString_NonNormalized()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