public void Monitor_WaitTest()
{
var obj = new object();
var waitTests =
new Func <bool>[]
{
() => Monitor.Wait(obj, FailTimeoutMilliseconds),
() => Monitor.Wait(obj, FailTimeoutMilliseconds),
() => Monitor.Wait(obj, TimeSpan.FromMilliseconds(FailTimeoutMilliseconds)),
() => Monitor.Wait(obj, TimeSpan.FromMilliseconds(FailTimeoutMilliseconds)),
};
var t =
new Thread(() =>
{
Monitor.Enter(obj);
for (int i = 0; i < waitTests.Length; ++i)
{
Monitor.Pulse(obj);
Monitor.Wait(obj, FailTimeoutMilliseconds);
}
Monitor.Exit(obj);
});
t.IsBackground = true;
Monitor.Enter(obj);
t.Start();
foreach (var waitTest in waitTests)
{
Assert.IsTrue(waitTest());
Monitor.Pulse(obj);
}
Monitor.Exit(obj);
}
public void Monitor_Enter_SetsLockTaken()
{
bool lockTaken = false;
var obj = new object();
Monitor.Enter(obj, ref lockTaken);
Assert.IsTrue(lockTaken);
Monitor.Exit(obj);
// The documentation does not specifies that lockTaken variable is
// set to false after Exit is called
// Assert.IsFalse(lockTaken);
}
public void Monitor_Enter_Invalid()
{
bool lockTaken = false;
var obj = new object();
AssertExtensions.Throws <ArgumentNullException>("obj", () => Monitor.Enter(null));
AssertExtensions.Throws <ArgumentNullException>("obj", () => Monitor.Enter(null, ref lockTaken));
Assert.IsFalse(lockTaken);
lockTaken = true;
AssertExtensions.Throws <ArgumentException>("lockTaken", () => Monitor.Enter(obj, ref lockTaken));
Assert.IsFalse(lockTaken);
}
public void Monitor_BasicRecursion()
{
var obj = new object();
Assert.IsTrue(Monitor.TryEnter(obj));
Assert.IsTrue(Monitor.TryEnter(obj));
Monitor.Exit(obj);
//Assert.IsTrue(Monitor.IsEntered(obj));
Monitor.Enter(obj);
//Assert.IsTrue(Monitor.IsEntered(obj));
Monitor.Exit(obj);
//Assert.IsTrue(Monitor.IsEntered(obj));
Monitor.Exit(obj);
//Assert.IsFalse(Monitor.IsEntered(obj));
}
