public void AddTaskToDoubleBufferWithLock()
{
var foo = new Foo();
var doubleBuffer = new DoubleBuffer <List <Foo>, Foo>(new List <Foo>(MaxCount), new List <Foo>(MaxCount));
for (int i = 0; i < MaxCount; i++)
{
doubleBuffer.Add(foo);
}
}
public async Task AddTaskToDoubleBufferWithoutCapacityMultiThread()
{
var foo = new Foo();
var doubleBuffer = new DoubleBuffer <Foo>();
var threadCount = 10;
var taskList = new Task[threadCount];
for (int j = 0; j < threadCount; j++)
{
var task = Task.Run(() =>
{
for (int i = 0; i < MaxCount / threadCount; i++)
{
doubleBuffer.Add(foo);
}
});
taskList[j] = task;
}
await Task.WhenAll(taskList);
}
public void DoAll()
{
"多线程随机延迟一边加入元素一边执行，可以执行所有元素".Test(() =>
{
var mock = new Mock <IFoo>();
mock.Setup(foo => foo.Foo());
var random = new Random();
const int n = 100;
var doubleBuffer = new DoubleBuffer <IFoo>();
var t1 = Task.Run(async() =>
{
for (int i = 0; i < n; i++)
{
doubleBuffer.Add(mock.Object);
await Task.Delay(random.Next(100));
}
});
var t2 = Task.Run(async() =>
{
await Task.Delay(300);
await doubleBuffer.DoAllAsync(async list =>
{
foreach (var foo in list)
{
await Task.Delay(random.Next(50));
foo.Foo();
}
});
});
Task.WaitAll(t1, t2);
doubleBuffer.DoAllAsync(async list =>
{
foreach (var foo in list)
{
await Task.Delay(random.Next(50));
foo.Foo();
}
}).Wait();
mock.Verify(foo => foo.Foo(), Times.Exactly(n));
});
"多线程一边加入元素一边执行，可以执行所有元素".Test(() =>
{
var mock = new Mock <IFoo>();
mock.Setup(foo => foo.Foo());
const int n = 10000;
var doubleBuffer = new DoubleBuffer <IFoo>();
for (int i = 0; i < n; i++)
{
doubleBuffer.Add(mock.Object);
}
var t1 = Task.Run(() =>
{
for (int i = 0; i < n; i++)
{
doubleBuffer.Add(mock.Object);
}
});
var t2 = Task.Run(() => { doubleBuffer.DoAll(list => list.ForEach(foo => foo.Foo())); });
Task.WaitAll(t1, t2);
// 没有执行一次
mock.Verify(foo => foo.Foo(), Times.Exactly(n * 2));
});
"给定10次元素，执行 DoAll 元素执行10次".Test(() =>
{
var mock = new Mock <IFoo>();
mock.Setup(foo => foo.Foo());
const int n = 10;
var doubleBuffer = new DoubleBuffer <IFoo>();
for (int i = 0; i < n; i++)
{
doubleBuffer.Add(mock.Object);
}
doubleBuffer.DoAll(list => list.ForEach(foo => foo.Foo()));
// 没有执行一次
mock.Verify(foo => foo.Foo(), Times.Exactly(n));
});
"没有给定缓存内容，执行 DoAll 啥都不做".Test(() =>
{
var mock = new Mock <IFoo>();
mock.Setup(foo => foo.Foo());
var doubleBuffer = new DoubleBuffer <IFoo>();
doubleBuffer.DoAll(list => list.ForEach(foo => foo.Foo()));
// 没有执行一次
mock.Verify(foo => foo.Foo(), Times.Never);
});
}