public void DiskCache()
{
using (var provider = new DiskCacheProvider(@"C:\Temp\Cache"))
{
var cacheService = new CacheService(provider);
var tasks = new List <Task>();
//测试并发创建值
for (int i = 0; i < 1000; i++)
{
Func <int, Task> task = async(j) =>
{
await Task.Yield();
var value = await cacheService.FetchOrAdd("Test", ValueFactory, CachePolicy.Expires(TimeSpan.FromHours(1)));
Assert.AreEqual(value, _value);
};
tasks.Add(task(i));
}
Task.WaitAll(tasks.ToArray());
//测试从缓存读取
for (int i = 0; i < 1000; i++)
{
Func <int, Task> task = async(j) =>
{
await Task.Yield();
var value = await cacheService.FetchOrAdd("Test", ValueFactory, CachePolicy.Expires(TimeSpan.FromHours(1)));
Assert.AreEqual(value, _value);
};
tasks.Add(task(i));
}
Task.WaitAll(tasks.ToArray());
//清除缓存
cacheService.Clear();
_value = null;
//测试创建新值
for (int i = 0; i < 1000; i++)
{
Func <int, Task> task = async(j) =>
{
await Task.Yield();
var value = await cacheService.FetchOrAdd("Test", ValueFactory, CachePolicy.Expires(TimeSpan.FromHours(1)));
Assert.AreEqual(value, _value);
};
tasks.Add(task(i));
}
Task.WaitAll(tasks.ToArray());
cacheService.Clear();
{
_value = null;
var value = cacheService.FetchOrAdd("Test", ValueFactory, CachePolicy.Expires(TimeSpan.FromHours(1))).Result;
Assert.IsNotNull(_value);
Assert.AreEqual(_value, value);
}
}
}