00133e880d
* Update gitignore * Move csproj * Update project references * Update solutions * Update build scripts * Tests used to share editorconfig with projects in src * Fix broken tests. * Stop copying around .editorconfig merged root one with linting * csharp_style_expression_bodied -> suggestion * Move StyleCop rulesets to matching directories and update shared build properties * Remove legacy build files, update NuGet.cofig and solution files * Restore myget source * Clean up .gitignore * Update .gitignore * Move new test classes to tests after merge * Gitignore + nuget config * Move new test Co-authored-by: Ronald Barendse <ronald@barend.se>
1190 lines
39 KiB
C#
1190 lines
39 KiB
C#
// Copyright (c) Umbraco.
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// See LICENSE for more details.
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using System;
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using System.Linq;
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using System.Threading.Tasks;
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using Moq;
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using NUnit.Framework;
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using Umbraco.Cms.Core.Scoping;
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using Umbraco.Cms.Infrastructure.PublishedCache;
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namespace Umbraco.Cms.Tests.UnitTests.Umbraco.PublishedCache.NuCache
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{
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[TestFixture]
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public class SnapDictionaryTests
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{
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[Test]
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public void LiveGenUpdate()
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{
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var d = new SnapDictionary<int, string>();
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d.Test.CollectAuto = false;
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Assert.AreEqual(0, d.Test.GetValues(1).Length);
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// gen 1
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d.Set(1, "one");
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Assert.AreEqual(1, d.Test.GetValues(1).Length);
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d.Clear(1);
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Assert.AreEqual(0, d.Test.GetValues(1).Length); // gone
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Assert.AreEqual(1, d.Test.LiveGen);
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Assert.IsTrue(d.Test.NextGen);
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Assert.AreEqual(0, d.Test.FloorGen);
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}
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[Test]
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public void OtherGenUpdate()
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{
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var d = new SnapDictionary<int, string>();
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d.Test.CollectAuto = false;
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Assert.AreEqual(0, d.Test.GetValues(1).Length);
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Assert.AreEqual(0, d.Test.LiveGen);
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Assert.IsFalse(d.Test.NextGen);
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// gen 1
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d.Set(1, "one");
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Assert.AreEqual(1, d.Test.GetValues(1).Length);
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Assert.AreEqual(1, d.Test.LiveGen);
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Assert.IsTrue(d.Test.NextGen);
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SnapDictionary<int, string>.Snapshot s = d.CreateSnapshot();
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Assert.AreEqual(1, s.Gen);
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Assert.AreEqual(1, d.Test.LiveGen);
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Assert.IsFalse(d.Test.NextGen);
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// gen 2
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d.Clear(1);
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Assert.AreEqual(2, d.Test.GetValues(1).Length); // there
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Assert.AreEqual(2, d.Test.LiveGen);
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Assert.IsTrue(d.Test.NextGen);
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Assert.AreEqual(0, d.Test.FloorGen);
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GC.KeepAlive(s);
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}
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[Test]
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public void MissingReturnsNull()
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{
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var d = new SnapDictionary<int, string>();
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SnapDictionary<int, string>.Snapshot s = d.CreateSnapshot();
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Assert.IsNull(s.Get(1));
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}
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[Test]
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public void DeletedReturnsNull()
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{
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var d = new SnapDictionary<int, string>();
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// gen 1
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d.Set(1, "one");
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SnapDictionary<int, string>.Snapshot s1 = d.CreateSnapshot();
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Assert.AreEqual("one", s1.Get(1));
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// gen 2
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d.Clear(1);
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SnapDictionary<int, string>.Snapshot s2 = d.CreateSnapshot();
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Assert.IsNull(s2.Get(1));
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Assert.AreEqual("one", s1.Get(1));
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}
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[Retry(5)] // TODO make this test non-flaky.
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[Test]
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public async Task CollectValues()
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{
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var d = new SnapDictionary<int, string>();
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d.Test.CollectAuto = false;
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// gen 1
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d.Set(1, "one");
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Assert.AreEqual(1, d.Test.GetValues(1).Length);
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d.Set(1, "one");
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Assert.AreEqual(1, d.Test.GetValues(1).Length);
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d.Set(1, "uno");
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Assert.AreEqual(1, d.Test.GetValues(1).Length);
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Assert.AreEqual(1, d.Test.LiveGen);
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Assert.IsTrue(d.Test.NextGen);
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SnapDictionary<int, string>.Snapshot s1 = d.CreateSnapshot();
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Assert.AreEqual(1, d.Test.LiveGen);
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Assert.IsFalse(d.Test.NextGen);
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// gen 2
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Assert.AreEqual(1, d.Test.GetValues(1).Length);
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d.Set(1, "one");
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Assert.AreEqual(2, d.Test.GetValues(1).Length);
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d.Set(1, "uno");
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Assert.AreEqual(2, d.Test.GetValues(1).Length);
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Assert.AreEqual(2, d.Test.LiveGen);
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Assert.IsTrue(d.Test.NextGen);
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SnapDictionary<int, string>.Snapshot s2 = d.CreateSnapshot();
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Assert.AreEqual(2, d.Test.LiveGen);
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Assert.IsFalse(d.Test.NextGen);
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// gen 3
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Assert.AreEqual(2, d.Test.GetValues(1).Length);
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d.Set(1, "one");
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Assert.AreEqual(3, d.Test.GetValues(1).Length);
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d.Set(1, "uno");
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Assert.AreEqual(3, d.Test.GetValues(1).Length);
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Assert.AreEqual(3, d.Test.LiveGen);
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Assert.IsTrue(d.Test.NextGen);
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SnapDictionary<int, string>.TestHelper.GenVal[] tv = d.Test.GetValues(1);
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Assert.AreEqual(3, tv[0].Gen);
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Assert.AreEqual(2, tv[1].Gen);
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Assert.AreEqual(1, tv[2].Gen);
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Assert.AreEqual(0, d.Test.FloorGen);
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// nothing to collect
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await d.CollectAsync();
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GC.KeepAlive(s1);
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GC.KeepAlive(s2);
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Assert.AreEqual(0, d.Test.FloorGen);
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Assert.AreEqual(3, d.Test.LiveGen);
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Assert.IsTrue(d.Test.NextGen);
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Assert.AreEqual(2, d.SnapCount);
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Assert.AreEqual(3, d.Test.GetValues(1).Length);
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// one snapshot to collect
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s1 = null;
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GC.Collect();
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GC.KeepAlive(s2);
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await d.CollectAsync();
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Assert.AreEqual(1, d.Test.FloorGen);
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Assert.AreEqual(3, d.Test.LiveGen);
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Assert.IsTrue(d.Test.NextGen);
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Assert.AreEqual(1, d.SnapCount);
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Assert.AreEqual(2, d.Test.GetValues(1).Length);
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// another snapshot to collect
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s2 = null;
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GC.Collect();
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await d.CollectAsync();
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Assert.AreEqual(2, d.Test.FloorGen);
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Assert.AreEqual(3, d.Test.LiveGen);
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Assert.IsTrue(d.Test.NextGen);
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Assert.AreEqual(0, d.SnapCount);
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Assert.AreEqual(1, d.Test.GetValues(1).Length);
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}
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[Test]
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public async Task ProperlyCollects()
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{
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var d = new SnapDictionary<int, string>();
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d.Test.CollectAuto = false;
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for (int i = 0; i < 32; i++)
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{
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d.Set(i, i.ToString());
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d.CreateSnapshot().Dispose();
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}
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Assert.AreEqual(32, d.GenCount);
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Assert.AreEqual(0, d.SnapCount); // because we've disposed them
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await d.CollectAsync();
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Assert.AreEqual(32, d.Test.LiveGen);
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Assert.IsFalse(d.Test.NextGen);
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Assert.AreEqual(0, d.GenCount);
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Assert.AreEqual(0, d.SnapCount);
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Assert.AreEqual(32, d.Count);
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for (int i = 0; i < 32; i++)
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{
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d.Set(i, null);
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}
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d.CreateSnapshot().Dispose();
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// because we haven't collected yet, but disposed nevertheless
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Assert.AreEqual(1, d.GenCount);
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Assert.AreEqual(0, d.SnapCount);
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Assert.AreEqual(32, d.Count);
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// once we collect, they are all gone
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// since noone is interested anymore
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await d.CollectAsync();
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Assert.AreEqual(0, d.GenCount);
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Assert.AreEqual(0, d.SnapCount);
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Assert.AreEqual(0, d.Count);
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}
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[Retry(5)] // TODO make this test non-flaky.
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[Test]
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public async Task CollectNulls()
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{
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var d = new SnapDictionary<int, string>();
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d.Test.CollectAuto = false;
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// gen 1
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d.Set(1, "one");
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Assert.AreEqual(1, d.Test.GetValues(1).Length);
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d.Set(1, "one");
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Assert.AreEqual(1, d.Test.GetValues(1).Length);
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d.Set(1, "uno");
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Assert.AreEqual(1, d.Test.GetValues(1).Length);
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Assert.AreEqual(1, d.Test.LiveGen);
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Assert.IsTrue(d.Test.NextGen);
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SnapDictionary<int, string>.Snapshot s1 = d.CreateSnapshot();
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Assert.AreEqual(1, d.Test.LiveGen);
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Assert.IsFalse(d.Test.NextGen);
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// gen 2
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Assert.AreEqual(1, d.Test.GetValues(1).Length);
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d.Set(1, "one");
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Assert.AreEqual(2, d.Test.GetValues(1).Length);
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d.Set(1, "uno");
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Assert.AreEqual(2, d.Test.GetValues(1).Length);
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Assert.AreEqual(2, d.Test.LiveGen);
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Assert.IsTrue(d.Test.NextGen);
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SnapDictionary<int, string>.Snapshot s2 = d.CreateSnapshot();
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Assert.AreEqual(2, d.Test.LiveGen);
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Assert.IsFalse(d.Test.NextGen);
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// gen 3
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Assert.AreEqual(2, d.Test.GetValues(1).Length);
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d.Set(1, "one");
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Assert.AreEqual(3, d.Test.GetValues(1).Length);
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d.Set(1, "uno");
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Assert.AreEqual(3, d.Test.GetValues(1).Length);
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d.Clear(1);
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Assert.AreEqual(3, d.Test.GetValues(1).Length);
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Assert.AreEqual(3, d.Test.LiveGen);
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Assert.IsTrue(d.Test.NextGen);
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SnapDictionary<int, string>.TestHelper.GenVal[] tv = d.Test.GetValues(1);
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Assert.AreEqual(3, tv[0].Gen);
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Assert.AreEqual(2, tv[1].Gen);
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Assert.AreEqual(1, tv[2].Gen);
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Assert.AreEqual(0, d.Test.FloorGen);
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// nothing to collect
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await d.CollectAsync();
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GC.KeepAlive(s1);
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GC.KeepAlive(s2);
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Assert.AreEqual(0, d.Test.FloorGen);
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Assert.AreEqual(3, d.Test.LiveGen);
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Assert.IsTrue(d.Test.NextGen);
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Assert.AreEqual(2, d.SnapCount);
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Assert.AreEqual(3, d.Test.GetValues(1).Length);
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// one snapshot to collect
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s1 = null;
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GC.Collect();
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GC.KeepAlive(s2);
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await d.CollectAsync();
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Assert.AreEqual(1, d.Test.FloorGen);
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Assert.AreEqual(3, d.Test.LiveGen);
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Assert.IsTrue(d.Test.NextGen);
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Assert.AreEqual(1, d.SnapCount);
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Assert.AreEqual(2, d.Test.GetValues(1).Length);
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// another snapshot to collect
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s2 = null;
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GC.Collect();
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await d.CollectAsync();
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Assert.AreEqual(2, d.Test.FloorGen);
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Assert.AreEqual(3, d.Test.LiveGen);
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Assert.IsTrue(d.Test.NextGen);
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Assert.AreEqual(0, d.SnapCount);
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// and everything is gone?
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// no, cannot collect the live gen because we'd need to lock
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Assert.AreEqual(1, d.Test.GetValues(1).Length);
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d.CreateSnapshot();
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GC.Collect();
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await d.CollectAsync();
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// poof, gone
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Assert.AreEqual(0, d.Test.GetValues(1).Length);
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}
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[Test]
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public async Task EventuallyCollectNulls()
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{
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var d = new SnapDictionary<int, string>();
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d.Test.CollectAuto = false;
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Assert.AreEqual(0, d.Test.GetValues(1).Length);
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// gen 1
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d.Set(1, "one");
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Assert.AreEqual(1, d.Test.GetValues(1).Length);
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Assert.AreEqual(1, d.Test.LiveGen);
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Assert.IsTrue(d.Test.NextGen);
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await d.CollectAsync();
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SnapDictionary<int, string>.TestHelper.GenVal[] tv = d.Test.GetValues(1);
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Assert.AreEqual(1, tv.Length);
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Assert.AreEqual(1, tv[0].Gen);
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SnapDictionary<int, string>.Snapshot s = d.CreateSnapshot();
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Assert.AreEqual("one", s.Get(1));
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Assert.AreEqual(1, d.Test.LiveGen);
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Assert.IsFalse(d.Test.NextGen);
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Assert.AreEqual(1, d.Count);
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Assert.AreEqual(1, d.SnapCount);
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Assert.AreEqual(1, d.GenCount);
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// gen 2
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d.Clear(1);
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tv = d.Test.GetValues(1);
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Assert.AreEqual(2, tv.Length);
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Assert.AreEqual(2, tv[0].Gen);
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Assert.AreEqual(2, d.Test.LiveGen);
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Assert.IsTrue(d.Test.NextGen);
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Assert.AreEqual(1, d.Count);
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Assert.AreEqual(1, d.SnapCount);
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Assert.AreEqual(1, d.GenCount);
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// nothing to collect
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await d.CollectAsync();
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GC.KeepAlive(s);
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Assert.AreEqual(2, d.Test.GetValues(1).Length);
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Assert.AreEqual(1, d.Count);
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Assert.AreEqual(1, d.SnapCount);
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Assert.AreEqual(1, d.GenCount);
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Assert.AreEqual(2, d.Test.LiveGen);
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Assert.IsTrue(d.Test.NextGen);
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// collect snapshot
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// don't collect liveGen+
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s = null; // without being disposed
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GC.Collect(); // should release the generation reference
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await d.CollectAsync();
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Assert.AreEqual(1, d.Test.GetValues(1).Length); // "one" value is gone
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Assert.AreEqual(1, d.Count); // still have 1 item
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Assert.AreEqual(0, d.SnapCount); // snapshot is gone
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Assert.AreEqual(0, d.GenCount); // and generation has been dequeued
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// liveGen/nextGen
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s = d.CreateSnapshot();
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s = null;
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// collect liveGen
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GC.Collect();
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Assert.IsTrue(d.Test.GenObjs.TryPeek(out global::Umbraco.Cms.Infrastructure.PublishedCache.Snap.GenObj genObj));
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genObj = null;
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// in Release mode, it works, but in Debug mode, the weak reference is still alive
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// and for some reason we need to do this to ensure it is collected
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#if DEBUG
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await d.CollectAsync();
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GC.Collect();
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#endif
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Assert.IsTrue(d.Test.GenObjs.TryPeek(out genObj));
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Assert.IsFalse(genObj.WeakGenRef.IsAlive); // snapshot is gone, along with its reference
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await d.CollectAsync();
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Assert.AreEqual(0, d.Test.GetValues(1).Length); // null value is gone
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Assert.AreEqual(0, d.Count); // item is gone
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Assert.AreEqual(0, d.Test.GenObjs.Count);
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Assert.AreEqual(0, d.SnapCount); // snapshot is gone
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Assert.AreEqual(0, d.GenCount); // and generation has been dequeued
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}
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[Test]
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public async Task CollectDisposedSnapshots()
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{
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var d = new SnapDictionary<int, string>();
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d.Test.CollectAuto = false;
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// gen 1
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d.Set(1, "one");
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Assert.AreEqual(1, d.Test.GetValues(1).Length);
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Assert.AreEqual(1, d.Test.LiveGen);
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Assert.IsTrue(d.Test.NextGen);
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SnapDictionary<int, string>.Snapshot s1 = d.CreateSnapshot();
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Assert.AreEqual(1, d.Test.LiveGen);
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Assert.IsFalse(d.Test.NextGen);
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// gen 2
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d.Set(1, "two");
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Assert.AreEqual(2, d.Test.GetValues(1).Length);
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Assert.AreEqual(2, d.Test.LiveGen);
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Assert.IsTrue(d.Test.NextGen);
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SnapDictionary<int, string>.Snapshot s2 = d.CreateSnapshot();
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Assert.AreEqual(2, d.Test.LiveGen);
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Assert.IsFalse(d.Test.NextGen);
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// gen 3
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d.Set(1, "three");
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Assert.AreEqual(3, d.Test.GetValues(1).Length);
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Assert.AreEqual(3, d.Test.LiveGen);
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Assert.IsTrue(d.Test.NextGen);
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SnapDictionary<int, string>.Snapshot s3 = d.CreateSnapshot();
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Assert.AreEqual(3, d.Test.LiveGen);
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Assert.IsFalse(d.Test.NextGen);
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Assert.AreEqual(3, d.SnapCount);
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s1.Dispose();
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await d.CollectAsync();
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Assert.AreEqual(2, d.SnapCount);
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Assert.AreEqual(2, d.Test.GetValues(1).Length);
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s2.Dispose();
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await d.CollectAsync();
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Assert.AreEqual(1, d.SnapCount);
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Assert.AreEqual(1, d.Test.GetValues(1).Length);
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s3.Dispose();
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await d.CollectAsync();
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Assert.AreEqual(0, d.SnapCount);
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Assert.AreEqual(1, d.Test.GetValues(1).Length);
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}
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[Retry(5)] // TODO make this test non-flaky.
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[Test]
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public async Task CollectGcSnapshots()
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{
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var d = new SnapDictionary<int, string>();
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d.Test.CollectAuto = false;
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// gen 1
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d.Set(1, "one");
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Assert.AreEqual(1, d.Test.GetValues(1).Length);
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Assert.AreEqual(1, d.Test.LiveGen);
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Assert.IsTrue(d.Test.NextGen);
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SnapDictionary<int, string>.Snapshot s1 = d.CreateSnapshot();
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Assert.AreEqual(1, d.Test.LiveGen);
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Assert.IsFalse(d.Test.NextGen);
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// gen 2
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d.Set(1, "two");
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Assert.AreEqual(2, d.Test.GetValues(1).Length);
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|
|
Assert.AreEqual(2, d.Test.LiveGen);
|
|
Assert.IsTrue(d.Test.NextGen);
|
|
|
|
SnapDictionary<int, string>.Snapshot s2 = d.CreateSnapshot();
|
|
|
|
Assert.AreEqual(2, d.Test.LiveGen);
|
|
Assert.IsFalse(d.Test.NextGen);
|
|
|
|
// gen 3
|
|
d.Set(1, "three");
|
|
Assert.AreEqual(3, d.Test.GetValues(1).Length);
|
|
|
|
Assert.AreEqual(3, d.Test.LiveGen);
|
|
Assert.IsTrue(d.Test.NextGen);
|
|
|
|
SnapDictionary<int, string>.Snapshot s3 = d.CreateSnapshot();
|
|
|
|
Assert.AreEqual(3, d.Test.LiveGen);
|
|
Assert.IsFalse(d.Test.NextGen);
|
|
|
|
Assert.AreEqual(3, d.SnapCount);
|
|
|
|
s1 = s2 = s3 = null;
|
|
|
|
await d.CollectAsync();
|
|
Assert.AreEqual(3, d.SnapCount);
|
|
Assert.AreEqual(3, d.Test.GetValues(1).Length);
|
|
|
|
GC.Collect();
|
|
await d.CollectAsync();
|
|
Assert.AreEqual(0, d.SnapCount);
|
|
Assert.AreEqual(1, d.Test.GetValues(1).Length);
|
|
}
|
|
|
|
[Retry(5)] // TODO make this test non-flaky.
|
|
[Test]
|
|
public async Task RandomTest1()
|
|
{
|
|
var d = new SnapDictionary<int, string>();
|
|
d.Test.CollectAuto = false;
|
|
|
|
d.Set(1, "one");
|
|
d.Set(2, "two");
|
|
|
|
SnapDictionary<int, string>.Snapshot s1 = d.CreateSnapshot();
|
|
string v1 = s1.Get(1);
|
|
Assert.AreEqual("one", v1);
|
|
|
|
d.Set(1, "uno");
|
|
|
|
SnapDictionary<int, string>.Snapshot s2 = d.CreateSnapshot();
|
|
string v2 = s2.Get(1);
|
|
Assert.AreEqual("uno", v2);
|
|
|
|
v1 = s1.Get(1);
|
|
Assert.AreEqual("one", v1);
|
|
|
|
Assert.AreEqual(2, d.SnapCount);
|
|
|
|
s1 = null;
|
|
GC.Collect();
|
|
await d.CollectAsync();
|
|
|
|
// in Release mode, it works, but in Debug mode, the weak reference is still alive
|
|
// and for some reason we need to do this to ensure it is collected
|
|
#if DEBUG
|
|
GC.Collect();
|
|
await d.CollectAsync();
|
|
#endif
|
|
|
|
Assert.AreEqual(1, d.SnapCount);
|
|
v2 = s2.Get(1);
|
|
Assert.AreEqual("uno", v2);
|
|
|
|
s2 = null;
|
|
GC.Collect();
|
|
await d.CollectAsync();
|
|
|
|
Assert.AreEqual(0, d.SnapCount);
|
|
}
|
|
|
|
[Retry(5)] // TODO make this test non-flaky.
|
|
[Test]
|
|
public async Task RandomTest2()
|
|
{
|
|
var d = new SnapDictionary<int, string>();
|
|
d.Test.CollectAuto = false;
|
|
|
|
d.Set(1, "one");
|
|
d.Set(2, "two");
|
|
|
|
SnapDictionary<int, string>.Snapshot s1 = d.CreateSnapshot();
|
|
string v1 = s1.Get(1);
|
|
Assert.AreEqual("one", v1);
|
|
|
|
d.Clear(1);
|
|
|
|
SnapDictionary<int, string>.Snapshot s2 = d.CreateSnapshot();
|
|
string v2 = s2.Get(1);
|
|
Assert.AreEqual(null, v2);
|
|
|
|
v1 = s1.Get(1);
|
|
Assert.AreEqual("one", v1);
|
|
|
|
Assert.AreEqual(2, d.SnapCount);
|
|
|
|
s1 = null;
|
|
GC.Collect();
|
|
await d.CollectAsync();
|
|
|
|
// in Release mode, it works, but in Debug mode, the weak reference is still alive
|
|
// and for some reason we need to do this to ensure it is collected
|
|
#if DEBUG
|
|
GC.Collect();
|
|
await d.CollectAsync();
|
|
#endif
|
|
|
|
Assert.AreEqual(1, d.SnapCount);
|
|
v2 = s2.Get(1);
|
|
Assert.AreEqual(null, v2);
|
|
|
|
s2 = null;
|
|
GC.Collect();
|
|
await d.CollectAsync();
|
|
|
|
Assert.AreEqual(0, d.SnapCount);
|
|
}
|
|
|
|
[Test]
|
|
public void WriteLockingFirstSnapshot()
|
|
{
|
|
var d = new SnapDictionary<int, string>();
|
|
d.Test.CollectAuto = false;
|
|
|
|
// gen 1
|
|
d.Set(1, "one");
|
|
Assert.AreEqual(1, d.Test.GetValues(1).Length);
|
|
|
|
Assert.AreEqual(1, d.Test.LiveGen);
|
|
Assert.IsTrue(d.Test.NextGen);
|
|
|
|
using (d.GetScopedWriteLock(GetScopeProvider()))
|
|
{
|
|
SnapDictionary<int, string>.Snapshot s1 = d.CreateSnapshot();
|
|
|
|
Assert.AreEqual(0, s1.Gen);
|
|
Assert.AreEqual(1, d.Test.LiveGen);
|
|
Assert.IsTrue(d.Test.NextGen);
|
|
Assert.IsNull(s1.Get(1));
|
|
}
|
|
|
|
SnapDictionary<int, string>.Snapshot s2 = d.CreateSnapshot();
|
|
|
|
Assert.AreEqual(1, s2.Gen);
|
|
Assert.AreEqual(1, d.Test.LiveGen);
|
|
Assert.IsFalse(d.Test.NextGen);
|
|
Assert.AreEqual("one", s2.Get(1));
|
|
}
|
|
|
|
[Test]
|
|
public void WriteLocking()
|
|
{
|
|
var d = new SnapDictionary<int, string>();
|
|
d.Test.CollectAuto = false;
|
|
|
|
// gen 1
|
|
d.Set(1, "one");
|
|
Assert.AreEqual(1, d.Test.GetValues(1).Length);
|
|
|
|
Assert.AreEqual(1, d.Test.LiveGen);
|
|
Assert.IsTrue(d.Test.NextGen);
|
|
|
|
SnapDictionary<int, string>.Snapshot s1 = d.CreateSnapshot();
|
|
|
|
Assert.AreEqual(1, s1.Gen);
|
|
Assert.AreEqual(1, d.Test.LiveGen);
|
|
Assert.IsFalse(d.Test.NextGen);
|
|
Assert.AreEqual("one", s1.Get(1));
|
|
|
|
// gen 2
|
|
Assert.AreEqual(1, d.Test.GetValues(1).Length);
|
|
d.Set(1, "uno");
|
|
Assert.AreEqual(2, d.Test.GetValues(1).Length);
|
|
|
|
Assert.AreEqual(2, d.Test.LiveGen);
|
|
Assert.IsTrue(d.Test.NextGen);
|
|
|
|
SnapDictionary<int, string>.Snapshot s2 = d.CreateSnapshot();
|
|
|
|
Assert.AreEqual(2, s2.Gen);
|
|
Assert.AreEqual(2, d.Test.LiveGen);
|
|
Assert.IsFalse(d.Test.NextGen);
|
|
Assert.AreEqual("uno", s2.Get(1));
|
|
|
|
using (d.GetScopedWriteLock(GetScopeProvider()))
|
|
{
|
|
// gen 3
|
|
Assert.AreEqual(2, d.Test.GetValues(1).Length);
|
|
d.SetLocked(1, "ein");
|
|
Assert.AreEqual(3, d.Test.GetValues(1).Length);
|
|
|
|
Assert.AreEqual(3, d.Test.LiveGen);
|
|
Assert.IsTrue(d.Test.NextGen);
|
|
|
|
SnapDictionary<int, string>.Snapshot s3 = d.CreateSnapshot();
|
|
|
|
Assert.AreEqual(2, s3.Gen);
|
|
Assert.AreEqual(3, d.Test.LiveGen);
|
|
Assert.IsTrue(d.Test.NextGen); // has NOT changed when (non) creating snapshot
|
|
Assert.AreEqual("uno", s3.Get(1));
|
|
}
|
|
|
|
SnapDictionary<int, string>.Snapshot s4 = d.CreateSnapshot();
|
|
|
|
Assert.AreEqual(3, s4.Gen);
|
|
Assert.AreEqual(3, d.Test.LiveGen);
|
|
Assert.IsFalse(d.Test.NextGen);
|
|
Assert.AreEqual("ein", s4.Get(1));
|
|
}
|
|
|
|
[Test]
|
|
public void NestedWriteLocking1()
|
|
{
|
|
var d = new SnapDictionary<int, string>();
|
|
SnapDictionary<int, string>.TestHelper t = d.Test;
|
|
t.CollectAuto = false;
|
|
|
|
Assert.AreEqual(0, d.CreateSnapshot().Gen);
|
|
|
|
// no scope context: writers nest, last one to be disposed commits
|
|
IScopeProvider scopeProvider = GetScopeProvider();
|
|
|
|
using (IDisposable w1 = d.GetScopedWriteLock(scopeProvider))
|
|
{
|
|
Assert.AreEqual(1, t.LiveGen);
|
|
Assert.IsTrue(t.IsLocked);
|
|
Assert.IsTrue(t.NextGen);
|
|
|
|
Assert.Throws<InvalidOperationException>(() =>
|
|
{
|
|
using (IDisposable w2 = d.GetScopedWriteLock(scopeProvider))
|
|
{
|
|
}
|
|
});
|
|
|
|
Assert.AreEqual(1, t.LiveGen);
|
|
Assert.IsTrue(t.IsLocked);
|
|
Assert.IsTrue(t.NextGen);
|
|
|
|
Assert.AreEqual(0, d.CreateSnapshot().Gen);
|
|
}
|
|
|
|
Assert.AreEqual(1, t.LiveGen);
|
|
Assert.IsFalse(t.IsLocked);
|
|
Assert.IsTrue(t.NextGen);
|
|
|
|
Assert.AreEqual(1, d.CreateSnapshot().Gen);
|
|
}
|
|
|
|
[Test]
|
|
public void NestedWriteLocking2()
|
|
{
|
|
var d = new SnapDictionary<int, string>();
|
|
d.Test.CollectAuto = false;
|
|
|
|
Assert.AreEqual(0, d.CreateSnapshot().Gen);
|
|
|
|
// scope context: writers enlist
|
|
var scopeContext = new ScopeContext();
|
|
IScopeProvider scopeProvider = GetScopeProvider(scopeContext);
|
|
|
|
using (IDisposable w1 = d.GetScopedWriteLock(scopeProvider))
|
|
{
|
|
// This one is interesting, although we don't allow recursive locks, since this is
|
|
// using the same ScopeContext/key, the lock acquisition is only done once.
|
|
using (IDisposable w2 = d.GetScopedWriteLock(scopeProvider))
|
|
{
|
|
Assert.AreSame(w1, w2);
|
|
|
|
d.SetLocked(1, "one");
|
|
}
|
|
}
|
|
}
|
|
|
|
[Test]
|
|
public void NestedWriteLocking3()
|
|
{
|
|
var d = new SnapDictionary<int, string>();
|
|
SnapDictionary<int, string>.TestHelper t = d.Test;
|
|
t.CollectAuto = false;
|
|
|
|
Assert.AreEqual(0, d.CreateSnapshot().Gen);
|
|
|
|
var scopeContext = new ScopeContext();
|
|
IScopeProvider scopeProvider1 = GetScopeProvider();
|
|
IScopeProvider scopeProvider2 = GetScopeProvider(scopeContext);
|
|
|
|
using (IDisposable w1 = d.GetScopedWriteLock(scopeProvider1))
|
|
{
|
|
Assert.AreEqual(1, t.LiveGen);
|
|
Assert.IsTrue(t.IsLocked);
|
|
Assert.IsTrue(t.NextGen);
|
|
|
|
Assert.Throws<InvalidOperationException>(() =>
|
|
{
|
|
using (IDisposable w2 = d.GetScopedWriteLock(scopeProvider2))
|
|
{
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
[Test]
|
|
public void WriteLocking2()
|
|
{
|
|
var d = new SnapDictionary<int, string>();
|
|
d.Test.CollectAuto = false;
|
|
|
|
// gen 1
|
|
d.Set(1, "one");
|
|
Assert.AreEqual(1, d.Test.GetValues(1).Length);
|
|
|
|
Assert.AreEqual(1, d.Test.LiveGen);
|
|
Assert.IsTrue(d.Test.NextGen);
|
|
|
|
SnapDictionary<int, string>.Snapshot s1 = d.CreateSnapshot();
|
|
|
|
Assert.AreEqual(1, s1.Gen);
|
|
Assert.AreEqual(1, d.Test.LiveGen);
|
|
Assert.IsFalse(d.Test.NextGen);
|
|
Assert.AreEqual("one", s1.Get(1));
|
|
|
|
// gen 2
|
|
Assert.AreEqual(1, d.Test.GetValues(1).Length);
|
|
d.Set(1, "uno");
|
|
Assert.AreEqual(2, d.Test.GetValues(1).Length);
|
|
|
|
Assert.AreEqual(2, d.Test.LiveGen);
|
|
Assert.IsTrue(d.Test.NextGen);
|
|
|
|
SnapDictionary<int, string>.Snapshot s2 = d.CreateSnapshot();
|
|
|
|
Assert.AreEqual(2, s2.Gen);
|
|
Assert.AreEqual(2, d.Test.LiveGen);
|
|
Assert.IsFalse(d.Test.NextGen);
|
|
Assert.AreEqual("uno", s2.Get(1));
|
|
|
|
IScopeProvider scopeProvider = GetScopeProvider();
|
|
using (d.GetScopedWriteLock(scopeProvider))
|
|
{
|
|
// gen 3
|
|
Assert.AreEqual(2, d.Test.GetValues(1).Length);
|
|
d.SetLocked(1, "ein");
|
|
Assert.AreEqual(3, d.Test.GetValues(1).Length);
|
|
|
|
Assert.AreEqual(3, d.Test.LiveGen);
|
|
Assert.IsTrue(d.Test.NextGen);
|
|
|
|
SnapDictionary<int, string>.Snapshot s3 = d.CreateSnapshot();
|
|
|
|
Assert.AreEqual(2, s3.Gen);
|
|
Assert.AreEqual(3, d.Test.LiveGen);
|
|
Assert.IsTrue(d.Test.NextGen); // has NOT changed when (non) creating snapshot
|
|
Assert.AreEqual("uno", s3.Get(1));
|
|
}
|
|
|
|
SnapDictionary<int, string>.Snapshot s4 = d.CreateSnapshot();
|
|
|
|
Assert.AreEqual(3, s4.Gen);
|
|
Assert.AreEqual(3, d.Test.LiveGen);
|
|
Assert.IsFalse(d.Test.NextGen);
|
|
Assert.AreEqual("ein", s4.Get(1));
|
|
}
|
|
|
|
[Test]
|
|
public void WriteLocking3()
|
|
{
|
|
var d = new SnapDictionary<int, string>();
|
|
d.Test.CollectAuto = false;
|
|
|
|
// gen 1
|
|
d.Set(1, "one");
|
|
SnapDictionary<int, string>.Snapshot s1 = d.CreateSnapshot();
|
|
Assert.AreEqual(1, s1.Gen);
|
|
Assert.AreEqual("one", s1.Get(1));
|
|
|
|
d.Set(1, "uno");
|
|
SnapDictionary<int, string>.Snapshot s2 = d.CreateSnapshot();
|
|
Assert.AreEqual(2, s2.Gen);
|
|
Assert.AreEqual("uno", s2.Get(1));
|
|
|
|
IScopeProvider scopeProvider = GetScopeProvider();
|
|
using (d.GetScopedWriteLock(scopeProvider))
|
|
{
|
|
// creating a snapshot in a write-lock does NOT return the "current" content
|
|
// it uses the previous snapshot, so new snapshot created only on release
|
|
d.SetLocked(1, "ein");
|
|
SnapDictionary<int, string>.Snapshot s3 = d.CreateSnapshot();
|
|
Assert.AreEqual(2, s3.Gen);
|
|
Assert.AreEqual("uno", s3.Get(1));
|
|
|
|
// but live snapshot contains changes
|
|
SnapDictionary<int, string>.Snapshot ls = d.Test.LiveSnapshot;
|
|
Assert.AreEqual("ein", ls.Get(1));
|
|
Assert.AreEqual(3, ls.Gen);
|
|
}
|
|
|
|
SnapDictionary<int, string>.Snapshot s4 = d.CreateSnapshot();
|
|
Assert.AreEqual(3, s4.Gen);
|
|
Assert.AreEqual("ein", s4.Get(1));
|
|
}
|
|
|
|
[Test]
|
|
public void ScopeLocking1()
|
|
{
|
|
var d = new SnapDictionary<int, string>();
|
|
d.Test.CollectAuto = false;
|
|
|
|
// gen 1
|
|
d.Set(1, "one");
|
|
SnapDictionary<int, string>.Snapshot s1 = d.CreateSnapshot();
|
|
Assert.AreEqual(1, s1.Gen);
|
|
Assert.AreEqual("one", s1.Get(1));
|
|
|
|
d.Set(1, "uno");
|
|
SnapDictionary<int, string>.Snapshot s2 = d.CreateSnapshot();
|
|
Assert.AreEqual(2, s2.Gen);
|
|
Assert.AreEqual("uno", s2.Get(1));
|
|
|
|
var scopeContext = new ScopeContext();
|
|
IScopeProvider scopeProvider = GetScopeProvider(scopeContext);
|
|
using (d.GetScopedWriteLock(scopeProvider))
|
|
{
|
|
// creating a snapshot in a write-lock does NOT return the "current" content
|
|
// it uses the previous snapshot, so new snapshot created only on release
|
|
d.SetLocked(1, "ein");
|
|
SnapDictionary<int, string>.Snapshot s3 = d.CreateSnapshot();
|
|
Assert.AreEqual(2, s3.Gen);
|
|
Assert.AreEqual("uno", s3.Get(1));
|
|
|
|
// but live snapshot contains changes
|
|
SnapDictionary<int, string>.Snapshot ls = d.Test.LiveSnapshot;
|
|
Assert.AreEqual("ein", ls.Get(1));
|
|
Assert.AreEqual(3, ls.Gen);
|
|
}
|
|
|
|
SnapDictionary<int, string>.Snapshot s4 = d.CreateSnapshot();
|
|
Assert.AreEqual(2, s4.Gen);
|
|
Assert.AreEqual("uno", s4.Get(1));
|
|
|
|
scopeContext.ScopeExit(true);
|
|
|
|
SnapDictionary<int, string>.Snapshot s5 = d.CreateSnapshot();
|
|
Assert.AreEqual(3, s5.Gen);
|
|
Assert.AreEqual("ein", s5.Get(1));
|
|
}
|
|
|
|
[Test]
|
|
public void ScopeLocking2()
|
|
{
|
|
var d = new SnapDictionary<int, string>();
|
|
SnapDictionary<int, string>.TestHelper t = d.Test;
|
|
t.CollectAuto = false;
|
|
|
|
// gen 1
|
|
d.Set(1, "one");
|
|
SnapDictionary<int, string>.Snapshot s1 = d.CreateSnapshot();
|
|
Assert.AreEqual(1, s1.Gen);
|
|
Assert.AreEqual("one", s1.Get(1));
|
|
|
|
d.Set(1, "uno");
|
|
SnapDictionary<int, string>.Snapshot s2 = d.CreateSnapshot();
|
|
Assert.AreEqual(2, s2.Gen);
|
|
Assert.AreEqual("uno", s2.Get(1));
|
|
|
|
Assert.AreEqual(2, t.LiveGen);
|
|
Assert.IsFalse(t.NextGen);
|
|
|
|
var scopeContext = new ScopeContext();
|
|
IScopeProvider scopeProvider = GetScopeProvider(scopeContext);
|
|
using (d.GetScopedWriteLock(scopeProvider))
|
|
{
|
|
// creating a snapshot in a write-lock does NOT return the "current" content
|
|
// it uses the previous snapshot, so new snapshot created only on release
|
|
d.SetLocked(1, "ein");
|
|
SnapDictionary<int, string>.Snapshot s3 = d.CreateSnapshot();
|
|
Assert.AreEqual(2, s3.Gen);
|
|
Assert.AreEqual("uno", s3.Get(1));
|
|
|
|
// we made some changes, so a next gen is required
|
|
Assert.AreEqual(3, t.LiveGen);
|
|
Assert.IsTrue(t.NextGen);
|
|
Assert.IsTrue(t.IsLocked);
|
|
|
|
// but live snapshot contains changes
|
|
SnapDictionary<int, string>.Snapshot ls = t.LiveSnapshot;
|
|
Assert.AreEqual("ein", ls.Get(1));
|
|
Assert.AreEqual(3, ls.Gen);
|
|
}
|
|
|
|
// nothing is committed until scope exits
|
|
Assert.AreEqual(3, t.LiveGen);
|
|
Assert.IsTrue(t.NextGen);
|
|
Assert.IsTrue(t.IsLocked);
|
|
|
|
// no changes until exit
|
|
SnapDictionary<int, string>.Snapshot s4 = d.CreateSnapshot();
|
|
Assert.AreEqual(2, s4.Gen);
|
|
Assert.AreEqual("uno", s4.Get(1));
|
|
|
|
scopeContext.ScopeExit(false);
|
|
|
|
// now things have changed
|
|
Assert.AreEqual(2, t.LiveGen);
|
|
Assert.IsFalse(t.NextGen);
|
|
Assert.IsFalse(t.IsLocked);
|
|
|
|
// no changes since not completed
|
|
SnapDictionary<int, string>.Snapshot s5 = d.CreateSnapshot();
|
|
Assert.AreEqual(2, s5.Gen);
|
|
Assert.AreEqual("uno", s5.Get(1));
|
|
}
|
|
|
|
[Test]
|
|
public void GetAll()
|
|
{
|
|
var d = new SnapDictionary<int, string>();
|
|
d.Test.CollectAuto = false;
|
|
|
|
Assert.AreEqual(0, d.Test.GetValues(1).Length);
|
|
|
|
d.Set(1, "one");
|
|
d.Set(2, "two");
|
|
d.Set(3, "three");
|
|
d.Set(4, "four");
|
|
|
|
SnapDictionary<int, string>.Snapshot s1 = d.CreateSnapshot();
|
|
string[] all = s1.GetAll().ToArray();
|
|
Assert.AreEqual(4, all.Length);
|
|
Assert.AreEqual("one", all[0]);
|
|
Assert.AreEqual("four", all[3]);
|
|
|
|
d.Set(1, "uno");
|
|
SnapDictionary<int, string>.Snapshot s2 = d.CreateSnapshot();
|
|
|
|
all = s1.GetAll().ToArray();
|
|
Assert.AreEqual(4, all.Length);
|
|
Assert.AreEqual("one", all[0]);
|
|
Assert.AreEqual("four", all[3]);
|
|
|
|
all = s2.GetAll().ToArray();
|
|
Assert.AreEqual(4, all.Length);
|
|
Assert.AreEqual("uno", all[0]);
|
|
Assert.AreEqual("four", all[3]);
|
|
}
|
|
|
|
[Test]
|
|
public void DontPanic()
|
|
{
|
|
var d = new SnapDictionary<int, string>();
|
|
d.Test.CollectAuto = false;
|
|
|
|
Assert.IsNull(d.Test.GenObj);
|
|
|
|
// gen 1
|
|
d.Set(1, "one");
|
|
Assert.IsTrue(d.Test.NextGen);
|
|
Assert.AreEqual(1, d.Test.LiveGen);
|
|
Assert.IsNull(d.Test.GenObj);
|
|
|
|
SnapDictionary<int, string>.Snapshot s1 = d.CreateSnapshot();
|
|
Assert.IsFalse(d.Test.NextGen);
|
|
Assert.AreEqual(1, d.Test.LiveGen);
|
|
Assert.IsNotNull(d.Test.GenObj);
|
|
Assert.AreEqual(1, d.Test.GenObj.Gen);
|
|
|
|
Assert.AreEqual(1, s1.Gen);
|
|
Assert.AreEqual("one", s1.Get(1));
|
|
|
|
d.Set(1, "uno");
|
|
Assert.IsTrue(d.Test.NextGen);
|
|
Assert.AreEqual(2, d.Test.LiveGen);
|
|
Assert.IsNotNull(d.Test.GenObj);
|
|
Assert.AreEqual(1, d.Test.GenObj.Gen);
|
|
|
|
var scopeContext = new ScopeContext();
|
|
IScopeProvider scopeProvider = GetScopeProvider(scopeContext);
|
|
|
|
// scopeProvider.Context == scopeContext -> writer is scoped
|
|
// writer is scope contextual and scoped
|
|
// when disposed, nothing happens
|
|
// when the context exists, the writer is released
|
|
using (d.GetScopedWriteLock(scopeProvider))
|
|
{
|
|
d.SetLocked(1, "ein");
|
|
Assert.IsTrue(d.Test.NextGen);
|
|
Assert.AreEqual(3, d.Test.LiveGen);
|
|
Assert.IsNotNull(d.Test.GenObj);
|
|
Assert.AreEqual(2, d.Test.GenObj.Gen);
|
|
}
|
|
|
|
// writer has not released
|
|
Assert.IsTrue(d.Test.IsLocked);
|
|
Assert.IsNotNull(d.Test.GenObj);
|
|
Assert.AreEqual(2, d.Test.GenObj.Gen);
|
|
|
|
// nothing changed
|
|
Assert.IsTrue(d.Test.NextGen);
|
|
Assert.AreEqual(3, d.Test.LiveGen);
|
|
|
|
// panic!
|
|
SnapDictionary<int, string>.Snapshot s2 = d.CreateSnapshot();
|
|
|
|
Assert.IsTrue(d.Test.IsLocked);
|
|
Assert.IsNotNull(d.Test.GenObj);
|
|
Assert.AreEqual(2, d.Test.GenObj.Gen);
|
|
Assert.AreEqual(3, d.Test.LiveGen);
|
|
Assert.IsTrue(d.Test.NextGen);
|
|
|
|
// release writer
|
|
scopeContext.ScopeExit(true);
|
|
|
|
Assert.IsFalse(d.Test.IsLocked);
|
|
Assert.IsNotNull(d.Test.GenObj);
|
|
Assert.AreEqual(2, d.Test.GenObj.Gen);
|
|
Assert.AreEqual(3, d.Test.LiveGen);
|
|
Assert.IsTrue(d.Test.NextGen);
|
|
|
|
SnapDictionary<int, string>.Snapshot s3 = d.CreateSnapshot();
|
|
|
|
Assert.IsFalse(d.Test.IsLocked);
|
|
Assert.IsNotNull(d.Test.GenObj);
|
|
Assert.AreEqual(3, d.Test.GenObj.Gen);
|
|
Assert.AreEqual(3, d.Test.LiveGen);
|
|
Assert.IsFalse(d.Test.NextGen);
|
|
}
|
|
|
|
private IScopeProvider GetScopeProvider(ScopeContext scopeContext = null)
|
|
{
|
|
IScopeProvider scopeProvider = Mock.Of<IScopeProvider>();
|
|
Mock.Get(scopeProvider)
|
|
.Setup(x => x.Context).Returns(scopeContext);
|
|
return scopeProvider;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Used for tests so that we don't have to wrap every Set/Clear call in locks
|
|
/// </summary>
|
|
public static class SnapDictionaryExtensions
|
|
{
|
|
internal static void Set<TKey, TValue>(this SnapDictionary<TKey, TValue> d, TKey key, TValue value)
|
|
where TValue : class
|
|
{
|
|
using (d.GetScopedWriteLock(GetScopeProvider()))
|
|
{
|
|
d.SetLocked(key, value);
|
|
}
|
|
}
|
|
|
|
internal static void Clear<TKey, TValue>(this SnapDictionary<TKey, TValue> d)
|
|
where TValue : class
|
|
{
|
|
using (d.GetScopedWriteLock(GetScopeProvider()))
|
|
{
|
|
d.ClearLocked();
|
|
}
|
|
}
|
|
|
|
internal static void Clear<TKey, TValue>(this SnapDictionary<TKey, TValue> d, TKey key)
|
|
where TValue : class
|
|
{
|
|
using (d.GetScopedWriteLock(GetScopeProvider()))
|
|
{
|
|
d.ClearLocked(key);
|
|
}
|
|
}
|
|
|
|
private static IScopeProvider GetScopeProvider()
|
|
{
|
|
IScopeProvider scopeProvider = Mock.Of<IScopeProvider>();
|
|
Mock.Get(scopeProvider)
|
|
.Setup(x => x.Context).Returns(() => null);
|
|
return scopeProvider;
|
|
}
|
|
}
|
|
}
|