public async Task AcquireReaderAsync_UpgradeToWriterAsync_CancellationToken()
{
var readersWriterAsyncLock = new ReadersWriterAsyncLock();
using (var upgradeableLock = await readersWriterAsyncLock.AcquireUpgradeableReaderAsync())
using (var writerLock = await upgradeableLock.UpgradeToWriterAsync())
{
}
}
public void AcquireReader_UpgradeToWriter_CancellationToken()
{
var readersWriterAsyncLock = new ReadersWriterAsyncLock();
using (var upgradeableLock = readersWriterAsyncLock.AcquireUpgradeableReader())
using (var writerLock = upgradeableLock.UpgradeToWriter())
{
}
}
public void AcquireReadersAndWriter_CancellationToken()
{
var readersWriterAsyncLock = new ReadersWriterAsyncLock();
using (readersWriterAsyncLock.AcquireReader())
using (readersWriterAsyncLock.AcquireReader())
using (readersWriterAsyncLock.AcquireReader())
{
var start = Environment.TickCount;
using (var cancellationTokenSource = new CancellationTokenSource(100))
{
Assert.Throws <OperationCanceledException>(() =>
readersWriterAsyncLock.AcquireWriter(cancellationTokenSource.Token));
Assert.True(Environment.TickCount - start >= 90);
}
}
}
