当一个调试器连接到.NET进程时,通常会在未处理的异常抛出时停止。
然而,当你处于一个async
方法中时,这似乎并不起作用。
我之前尝试过的场景列在以下代码中:
class Program
{
static void Main()
{
// Debugger stopps correctly
Task.Run(() => SyncOp());
// Debugger doesn't stop
Task.Run(async () => SyncOp());
// Debugger doesn't stop
Task.Run((Func<Task>)AsyncTaskOp);
// Debugger stops on "Wait()" with "AggregateException"
Task.Run(() => AsyncTaskOp().Wait());
// Throws "Exceptions was unhandled by user code" on "await"
Task.Run(() => AsyncVoidOp());
Thread.Sleep(2000);
}
static void SyncOp()
{
throw new Exception("Exception in sync method");
}
async static void AsyncVoidOp()
{
await AsyncTaskOp();
}
async static Task AsyncTaskOp()
{
await Task.Delay(300);
throw new Exception("Exception in async method");
}
}
我有点不明白,如何让调试器在 AsyncTaskOp()
中的异常处中断/停止?