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Revert "Fixed https://github.com/Cysharp/UniTask/issues/444"

master
hadashiA 2023-09-01 19:52:22 +09:00 committed by GitHub
parent 548d56e654
commit 29a144694d
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 70 additions and 113 deletions
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117
src/UniTask/Assets/Plugins/UniTask/Runtime/TriggerEvent.cs
View File

@ -20,6 +20,8 @@ namespace Cysharp.Threading.Tasks
{
ITriggerHandler<T> head; // head.prev is last
ITriggerHandler<T> iteratingHead;
bool preserveRemoveSelf;
ITriggerHandler<T> iteratingNode;
void LogError(Exception ex)
@ -42,7 +44,6 @@ namespace Cysharp.Threading.Tasks
while (h != null)
{
iteratingNode = h;
var next = h.Next;
try
{
@ -54,7 +55,18 @@ namespace Cysharp.Threading.Tasks
Remove(h);
}
h = next;
if (preserveRemoveSelf)
{
preserveRemoveSelf = false;
iteratingNode = null;
var next = h.Next;
Remove(h);
h = next;
}
else
{
h = h.Next;
}
}
iteratingNode = null;
@ -84,7 +96,8 @@ namespace Cysharp.Threading.Tasks
{
LogError(ex);
}
preserveRemoveSelf = false;
iteratingNode = null;
var next = h.Next;
Remove(h);
@ -118,7 +131,8 @@ namespace Cysharp.Threading.Tasks
{
LogError(ex);
}
preserveRemoveSelf = false;
iteratingNode = null;
var next = h.Next;
Remove(h);
@ -152,7 +166,8 @@ namespace Cysharp.Threading.Tasks
{
LogError(ex);
}
preserveRemoveSelf = false;
iteratingNode = null;
var next = h.Next;
Remove(h);
@ -225,64 +240,72 @@ namespace Cysharp.Threading.Tasks
public void Remove(ITriggerHandler<T> handler)
{
if (handler == null) throw new ArgumentNullException(nameof(handler));
var prev = handler.Prev;
var next = handler.Next;
if (next != null)
if (iteratingNode != null && iteratingNode == handler)
{
next.Prev = prev;
}
if (handler == head)
{
head = next;
}
else if (handler == iteratingHead)
{
iteratingHead = next;
// if remove self, reserve remove self after invoke completed.
preserveRemoveSelf = true;
}
else
{
// when handler is head, prev indicate last so don't use it.
if (prev != null)
{
prev.Next = next;
}
}
var prev = handler.Prev;
var next = handler.Next;
if (head != null)
{
if (head.Prev == handler)
if (next != null)
{
if (prev != head)
next.Prev = prev;
}
if (handler == head)
{
head = next;
}
else if (handler == iteratingHead)
{
iteratingHead = next;
}
else
{
// when handler is head, prev indicate last so don't use it.
if (prev != null)
{
head.Prev = prev;
}
else
{
head.Prev = null;
prev.Next = next;
}
}
}
if (iteratingHead != null)
{
if (iteratingHead.Prev == handler)
if (head != null)
{
if (prev != iteratingHead.Prev)
if (head.Prev == handler)
{
iteratingHead.Prev = prev;
}
else
{
iteratingHead.Prev = null;
if (prev != head)
{
head.Prev = prev;
}
else
{
head.Prev = null;
}
}
}
}
handler.Prev = null;
handler.Next = null;
if (iteratingHead != null)
{
if (iteratingHead.Prev == handler)
{
if (prev != iteratingHead.Prev)
{
iteratingHead.Prev = prev;
}
else
{
iteratingHead.Prev = null;
}
}
}
handler.Prev = null;
handler.Next = null;
}
}
}
}

63
src/UniTask/Assets/Tests/AsyncReactivePropertyTest.cs
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@ -1,63 +0,0 @@
using Cysharp.Threading.Tasks;
using FluentAssertions;
using System;
using System.Collections;
using System.Threading;
using UnityEngine.TestTools;
namespace Cysharp.Threading.TasksTests
{
public class AsyncReactivePropertyTest
{
private int _callCounter;
[UnityTest]
public IEnumerator WaitCancelWait() => UniTask.ToCoroutine(async () =>
{
// Test case for https://github.com/Cysharp/UniTask/issues/444
var property = new AsyncReactiveProperty<int>(0);
var cts1 = new CancellationTokenSource();
var cts2 = new CancellationTokenSource();
WaitForProperty(property, cts1.Token);
WaitForProperty(property, cts2.Token);
_callCounter = 0;
property.Value = 1;
_callCounter.Should().Be(2);
cts2.Cancel();
cts2.Dispose();
cts1.Cancel();
cts1.Dispose();
var cts3 = new CancellationTokenSource();
WaitForProperty(property, cts3.Token);
_callCounter = 0;
property.Value = 2;
_callCounter.Should().Be(1);
cts3.Cancel();
cts3.Dispose();
await UniTask.CompletedTask;
});
private async void WaitForProperty(AsyncReactiveProperty<int> property, CancellationToken token)
{
while (true)
{
try
{
await property.WaitAsync(token);
_callCounter++;
}
catch (OperationCanceledException)
{
break;
}
}
}
}
}

3
src/UniTask/Assets/Tests/AsyncReactivePropertyTest.cs.meta
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@ -1,3 +0,0 @@
fileFormatVersion: 2
guid: 27665955eefb4448969b8cc4dd204600
timeCreated: 1676129650