LazyInitializer.EnsureInitialized是否有效？有线程安全的明确承诺吗？
我想创建一个可以通过属性注入进行测试的惰性属性。如果我要使用惰性字段，我不知道如何在测试期间注入自己的字段。这是我的代码：
private IExpensive expensive;
private bool expensiveInitialized;
private object expensiveLockingObject = new object();
public IExpensive Expensive
{
get
{
LazyInitializer.EnsureInitialized(ref expensive, ref expensiveInitialized, ref expensiveLockingObject,
() => new Expensive(myStaticArg1, myStaticArg2, ...));
return expensive;
}
internal protected set
{
expensiveInitialized = true;
expensive = value;
}
}
我想知道 BCL 团队是否承诺此代码是线程安全的？ 文档尚不清楚。
I'd like to make a Lazy property that can be tested with property injection. If I were to use a Lazy field, I don't see how I would be able to inject my own during testing. Here's my code:
private IExpensive expensive;
private bool expensiveInitialized;
private object expensiveLockingObject = new object();
public IExpensive Expensive
{
get
{
LazyInitializer.EnsureInitialized(ref expensive, ref expensiveInitialized, ref expensiveLockingObject,
() => new Expensive(myStaticArg1, myStaticArg2, ...));
return expensive;
}
internal protected set
{
expensiveInitialized = true;
expensive = value;
}
}
I am wondering if there's a promise from BCL team that this code is thread-safe? It was not clear from documentation.
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从文档链接：
From the documentation link: