Jan Tattermusch | f6410f5 | 2015-07-22 16:21:57 -0700 | [diff] [blame] | 1 | #region Copyright notice and license |
| 2 | |
Jan Tattermusch | 7897ae9 | 2017-06-07 22:57:36 +0200 | [diff] [blame] | 3 | // Copyright 2015 gRPC authors. |
Jan Tattermusch | f6410f5 | 2015-07-22 16:21:57 -0700 | [diff] [blame] | 4 | // |
Jan Tattermusch | 7897ae9 | 2017-06-07 22:57:36 +0200 | [diff] [blame] | 5 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | // you may not use this file except in compliance with the License. |
| 7 | // You may obtain a copy of the License at |
Jan Tattermusch | f6410f5 | 2015-07-22 16:21:57 -0700 | [diff] [blame] | 8 | // |
Jan Tattermusch | 7897ae9 | 2017-06-07 22:57:36 +0200 | [diff] [blame] | 9 | // http://www.apache.org/licenses/LICENSE-2.0 |
Jan Tattermusch | f6410f5 | 2015-07-22 16:21:57 -0700 | [diff] [blame] | 10 | // |
Jan Tattermusch | 7897ae9 | 2017-06-07 22:57:36 +0200 | [diff] [blame] | 11 | // Unless required by applicable law or agreed to in writing, software |
| 12 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | // See the License for the specific language governing permissions and |
| 15 | // limitations under the License. |
Jan Tattermusch | f6410f5 | 2015-07-22 16:21:57 -0700 | [diff] [blame] | 16 | |
| 17 | #endregion |
| 18 | |
| 19 | using System; |
| 20 | using System.Runtime.InteropServices; |
| 21 | using Grpc.Core.Internal; |
Jan Tattermusch | 452ca9b | 2015-10-29 10:38:03 -0700 | [diff] [blame] | 22 | using Grpc.Core.Utils; |
Jan Tattermusch | f6410f5 | 2015-07-22 16:21:57 -0700 | [diff] [blame] | 23 | using NUnit.Framework; |
| 24 | |
| 25 | namespace Grpc.Core.Internal.Tests |
| 26 | { |
| 27 | public class TimespecTest |
| 28 | { |
| 29 | [Test] |
Jan Tattermusch | 4113ba5 | 2015-07-22 18:37:35 -0700 | [diff] [blame] | 30 | public void Now_IsInUtc() |
| 31 | { |
| 32 | Assert.AreEqual(DateTimeKind.Utc, Timespec.Now.ToDateTime().Kind); |
| 33 | } |
| 34 | |
| 35 | [Test] |
| 36 | public void Now_AgreesWithUtcNow() |
Jan Tattermusch | f6410f5 | 2015-07-22 16:21:57 -0700 | [diff] [blame] | 37 | { |
| 38 | var timespec = Timespec.Now; |
Jan Tattermusch | 4113ba5 | 2015-07-22 18:37:35 -0700 | [diff] [blame] | 39 | var utcNow = DateTime.UtcNow; |
| 40 | |
| 41 | TimeSpan difference = utcNow - timespec.ToDateTime(); |
| 42 | |
| 43 | // This test is inherently a race - but the two timestamps |
| 44 | // should really be way less that a minute apart. |
| 45 | Assert.IsTrue(difference.TotalSeconds < 60); |
Jan Tattermusch | f6410f5 | 2015-07-22 16:21:57 -0700 | [diff] [blame] | 46 | } |
| 47 | |
| 48 | [Test] |
Jan Tattermusch | a7db28f | 2016-05-18 12:26:16 -0700 | [diff] [blame] | 49 | public void InfFutureMatchesNativeValue() |
Jan Tattermusch | f6410f5 | 2015-07-22 16:21:57 -0700 | [diff] [blame] | 50 | { |
Jan Tattermusch | a7db28f | 2016-05-18 12:26:16 -0700 | [diff] [blame] | 51 | Assert.AreEqual(Timespec.NativeInfFuture, Timespec.InfFuture); |
Jan Tattermusch | f6410f5 | 2015-07-22 16:21:57 -0700 | [diff] [blame] | 52 | } |
| 53 | |
| 54 | [Test] |
Jan Tattermusch | a7db28f | 2016-05-18 12:26:16 -0700 | [diff] [blame] | 55 | public void InfPastMatchesNativeValue() |
Jan Tattermusch | f6410f5 | 2015-07-22 16:21:57 -0700 | [diff] [blame] | 56 | { |
Jan Tattermusch | a7db28f | 2016-05-18 12:26:16 -0700 | [diff] [blame] | 57 | Assert.AreEqual(Timespec.NativeInfPast, Timespec.InfPast); |
Jan Tattermusch | f6410f5 | 2015-07-22 16:21:57 -0700 | [diff] [blame] | 58 | } |
| 59 | |
| 60 | [Test] |
| 61 | public void TimespecSizeIsNativeSize() |
| 62 | { |
Jan Tattermusch | 9210293 | 2017-08-10 09:07:53 +0200 | [diff] [blame] | 63 | #pragma warning disable 0618 |
| 64 | // We need to use the obsolete non-generic version of Marshal.SizeOf because the generic version is not available in net45 |
| 65 | Assert.AreEqual(Timespec.NativeSize, Marshal.SizeOf(typeof(Timespec))); |
| 66 | #pragma warning restore 0618 |
Jan Tattermusch | f6410f5 | 2015-07-22 16:21:57 -0700 | [diff] [blame] | 67 | } |
| 68 | |
| 69 | [Test] |
| 70 | public void ToDateTime() |
| 71 | { |
| 72 | Assert.AreEqual(new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc), |
Jan Tattermusch | 8808637 | 2015-12-10 10:54:12 -0800 | [diff] [blame] | 73 | new Timespec(0, 0).ToDateTime()); |
Jan Tattermusch | f6410f5 | 2015-07-22 16:21:57 -0700 | [diff] [blame] | 74 | |
| 75 | Assert.AreEqual(new DateTime(1970, 1, 1, 0, 0, 10, DateTimeKind.Utc).AddTicks(50), |
Jan Tattermusch | 8808637 | 2015-12-10 10:54:12 -0800 | [diff] [blame] | 76 | new Timespec(10, 5000).ToDateTime()); |
Jan Tattermusch | f6410f5 | 2015-07-22 16:21:57 -0700 | [diff] [blame] | 77 | |
| 78 | Assert.AreEqual(new DateTime(2015, 7, 21, 4, 21, 48, DateTimeKind.Utc), |
Jan Tattermusch | 8808637 | 2015-12-10 10:54:12 -0800 | [diff] [blame] | 79 | new Timespec(1437452508, 0).ToDateTime()); |
Jan Tattermusch | f6410f5 | 2015-07-22 16:21:57 -0700 | [diff] [blame] | 80 | |
| 81 | // before epoch |
| 82 | Assert.AreEqual(new DateTime(1969, 12, 31, 23, 59, 55, DateTimeKind.Utc).AddTicks(10), |
Jan Tattermusch | 8808637 | 2015-12-10 10:54:12 -0800 | [diff] [blame] | 83 | new Timespec(-5, 1000).ToDateTime()); |
Jan Tattermusch | f6410f5 | 2015-07-22 16:21:57 -0700 | [diff] [blame] | 84 | |
Jan Tattermusch | 50b8365 | 2015-07-23 13:37:46 -0700 | [diff] [blame] | 85 | // infinity |
| 86 | Assert.AreEqual(DateTime.MaxValue, Timespec.InfFuture.ToDateTime()); |
| 87 | Assert.AreEqual(DateTime.MinValue, Timespec.InfPast.ToDateTime()); |
| 88 | |
| 89 | // nanos are rounded to ticks are rounded up |
Jan Tattermusch | f6410f5 | 2015-07-22 16:21:57 -0700 | [diff] [blame] | 90 | Assert.AreEqual(new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc).AddTicks(1), |
Jan Tattermusch | 8808637 | 2015-12-10 10:54:12 -0800 | [diff] [blame] | 91 | new Timespec(0, 99).ToDateTime()); |
Jan Tattermusch | f6410f5 | 2015-07-22 16:21:57 -0700 | [diff] [blame] | 92 | |
Jan Tattermusch | 50b8365 | 2015-07-23 13:37:46 -0700 | [diff] [blame] | 93 | // Illegal inputs |
Jan Tattermusch | f6410f5 | 2015-07-22 16:21:57 -0700 | [diff] [blame] | 94 | Assert.Throws(typeof(InvalidOperationException), |
Jan Tattermusch | 8808637 | 2015-12-10 10:54:12 -0800 | [diff] [blame] | 95 | () => new Timespec(0, -2).ToDateTime()); |
Jan Tattermusch | f6410f5 | 2015-07-22 16:21:57 -0700 | [diff] [blame] | 96 | Assert.Throws(typeof(InvalidOperationException), |
Jan Tattermusch | 8808637 | 2015-12-10 10:54:12 -0800 | [diff] [blame] | 97 | () => new Timespec(0, 1000 * 1000 * 1000).ToDateTime()); |
Jan Tattermusch | f6410f5 | 2015-07-22 16:21:57 -0700 | [diff] [blame] | 98 | Assert.Throws(typeof(InvalidOperationException), |
Jan Tattermusch | e0af286 | 2016-05-18 21:02:03 -0700 | [diff] [blame] | 99 | () => new Timespec(0, 0, ClockType.Monotonic).ToDateTime()); |
Jan Tattermusch | f6410f5 | 2015-07-22 16:21:57 -0700 | [diff] [blame] | 100 | } |
| 101 | |
| 102 | [Test] |
| 103 | public void ToDateTime_ReturnsUtc() |
| 104 | { |
Jan Tattermusch | 8808637 | 2015-12-10 10:54:12 -0800 | [diff] [blame] | 105 | Assert.AreEqual(DateTimeKind.Utc, new Timespec(1437452508, 0).ToDateTime().Kind); |
| 106 | Assert.AreNotEqual(DateTimeKind.Unspecified, new Timespec(1437452508, 0).ToDateTime().Kind); |
Jan Tattermusch | f6410f5 | 2015-07-22 16:21:57 -0700 | [diff] [blame] | 107 | } |
| 108 | |
| 109 | [Test] |
Jan Tattermusch | 50b8365 | 2015-07-23 13:37:46 -0700 | [diff] [blame] | 110 | public void ToDateTime_Overflow() |
Jan Tattermusch | 8808637 | 2015-12-10 10:54:12 -0800 | [diff] [blame] | 111 | { |
| 112 | var timespec = new Timespec(long.MaxValue - 100, 0); |
| 113 | Assert.AreNotEqual(Timespec.InfFuture, timespec); |
| 114 | Assert.AreEqual(DateTime.MaxValue, timespec.ToDateTime()); |
Jan Tattermusch | f6410f5 | 2015-07-22 16:21:57 -0700 | [diff] [blame] | 115 | |
Jan Tattermusch | 8808637 | 2015-12-10 10:54:12 -0800 | [diff] [blame] | 116 | Assert.AreEqual(DateTime.MinValue, new Timespec(long.MinValue + 100, 0).ToDateTime()); |
Jan Tattermusch | f6410f5 | 2015-07-22 16:21:57 -0700 | [diff] [blame] | 117 | } |
| 118 | |
| 119 | [Test] |
Jan Tattermusch | 50b8365 | 2015-07-23 13:37:46 -0700 | [diff] [blame] | 120 | public void ToDateTime_OutOfDateTimeRange() |
Jan Tattermusch | f6410f5 | 2015-07-22 16:21:57 -0700 | [diff] [blame] | 121 | { |
Jan Tattermusch | 8808637 | 2015-12-10 10:54:12 -0800 | [diff] [blame] | 122 | // DateTime range goes up to year 9999, 20000 years from now should |
| 123 | // be out of range. |
| 124 | long seconds = 20000L * 365L * 24L * 3600L; |
Jan Tattermusch | f6410f5 | 2015-07-22 16:21:57 -0700 | [diff] [blame] | 125 | |
Jan Tattermusch | 8808637 | 2015-12-10 10:54:12 -0800 | [diff] [blame] | 126 | var timespec = new Timespec(seconds, 0); |
| 127 | Assert.AreNotEqual(Timespec.InfFuture, timespec); |
| 128 | Assert.AreEqual(DateTime.MaxValue, timespec.ToDateTime()); |
Jan Tattermusch | f6410f5 | 2015-07-22 16:21:57 -0700 | [diff] [blame] | 129 | |
Jan Tattermusch | 8808637 | 2015-12-10 10:54:12 -0800 | [diff] [blame] | 130 | Assert.AreEqual(DateTime.MinValue, new Timespec(-seconds, 0).ToDateTime()); |
Jan Tattermusch | f6410f5 | 2015-07-22 16:21:57 -0700 | [diff] [blame] | 131 | } |
Jan Tattermusch | 50b8365 | 2015-07-23 13:37:46 -0700 | [diff] [blame] | 132 | |
| 133 | [Test] |
| 134 | public void FromDateTime() |
| 135 | { |
Jan Tattermusch | 8808637 | 2015-12-10 10:54:12 -0800 | [diff] [blame] | 136 | Assert.AreEqual(new Timespec(0, 0), |
Jan Tattermusch | 50b8365 | 2015-07-23 13:37:46 -0700 | [diff] [blame] | 137 | Timespec.FromDateTime(new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc))); |
| 138 | |
Jan Tattermusch | 8808637 | 2015-12-10 10:54:12 -0800 | [diff] [blame] | 139 | Assert.AreEqual(new Timespec(10, 5000), |
Jan Tattermusch | 50b8365 | 2015-07-23 13:37:46 -0700 | [diff] [blame] | 140 | Timespec.FromDateTime(new DateTime(1970, 1, 1, 0, 0, 10, DateTimeKind.Utc).AddTicks(50))); |
| 141 | |
Jan Tattermusch | 8808637 | 2015-12-10 10:54:12 -0800 | [diff] [blame] | 142 | Assert.AreEqual(new Timespec(1437452508, 0), |
Jan Tattermusch | 50b8365 | 2015-07-23 13:37:46 -0700 | [diff] [blame] | 143 | Timespec.FromDateTime(new DateTime(2015, 7, 21, 4, 21, 48, DateTimeKind.Utc))); |
| 144 | |
| 145 | // before epoch |
Jan Tattermusch | 8808637 | 2015-12-10 10:54:12 -0800 | [diff] [blame] | 146 | Assert.AreEqual(new Timespec(-5, 1000), |
Jan Tattermusch | 50b8365 | 2015-07-23 13:37:46 -0700 | [diff] [blame] | 147 | Timespec.FromDateTime(new DateTime(1969, 12, 31, 23, 59, 55, DateTimeKind.Utc).AddTicks(10))); |
| 148 | |
| 149 | // infinity |
| 150 | Assert.AreEqual(Timespec.InfFuture, Timespec.FromDateTime(DateTime.MaxValue)); |
| 151 | Assert.AreEqual(Timespec.InfPast, Timespec.FromDateTime(DateTime.MinValue)); |
| 152 | |
| 153 | // illegal inputs |
| 154 | Assert.Throws(typeof(ArgumentException), |
| 155 | () => Timespec.FromDateTime(new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Unspecified))); |
| 156 | } |
Jan Tattermusch | 452ca9b | 2015-10-29 10:38:03 -0700 | [diff] [blame] | 157 | |
Jan Tattermusch | 3ac274f | 2015-12-11 15:27:58 -0800 | [diff] [blame] | 158 | [Test] |
| 159 | [Category("Performance")] |
| 160 | [Ignore("Prevent running on Jenkins")] |
Jan Tattermusch | 452ca9b | 2015-10-29 10:38:03 -0700 | [diff] [blame] | 161 | public void NowBenchmark() |
| 162 | { |
| 163 | // approx Timespec.Now latency <33ns |
| 164 | BenchmarkUtil.RunBenchmark(10000000, 1000000000, () => { var now = Timespec.Now; }); |
| 165 | } |
Jan Tattermusch | 3ac274f | 2015-12-11 15:27:58 -0800 | [diff] [blame] | 166 | |
| 167 | [Test] |
| 168 | [Category("Performance")] |
| 169 | [Ignore("Prevent running on Jenkins")] |
Jan Tattermusch | 452ca9b | 2015-10-29 10:38:03 -0700 | [diff] [blame] | 170 | public void PreciseNowBenchmark() |
| 171 | { |
| 172 | // approx Timespec.PreciseNow latency <18ns (when compiled with GRPC_TIMERS_RDTSC) |
| 173 | BenchmarkUtil.RunBenchmark(10000000, 1000000000, () => { var now = Timespec.PreciseNow; }); |
| 174 | } |
Jan Tattermusch | f6410f5 | 2015-07-22 16:21:57 -0700 | [diff] [blame] | 175 | } |
| 176 | } |