public async Task TryRemoveAsyncTest()
{
DictionaryChange change = null;
TransactedConcurrentDictionary <int, string> d = new TransactedConcurrentDictionary <int, string>(
new Uri("test://mocks", UriKind.Absolute),
(c) =>
{
change = c;
return(true);
}
);
using (var tx = _stateManager.CreateTransaction())
{
Assert.IsFalse((await d.TryRemoveAsync(tx, 1)).HasValue);
Assert.IsTrue(await d.TryAddAsync(tx, 1, "One"));
using (var tx2 = _stateManager.CreateTransaction())
{
await Assert.ThrowsExceptionAsync <TimeoutException>(
async() =>
{
await d.TryRemoveAsync(tx2, 1, timeout: TimeSpan.FromMilliseconds(20));
}
);
}
await tx.CommitAsync();
Assert.AreEqual("One", change.Added);
}
using (var tx = _stateManager.CreateTransaction())
{
var result = await d.TryRemoveAsync(tx, 1);
await tx.CommitAsync();
Assert.AreEqual(ChangeType.Removed, change.ChangeType);
Assert.AreEqual("One", change.Removed);
Assert.AreEqual(0, await GetCount(d));
}
}
public async Task TryUpdateAsyncTest()
{
DictionaryChangedEvent <int, string> change = null;
TransactedConcurrentDictionary <int, string> d = new TransactedConcurrentDictionary <int, string>(
new Uri("test://mocks", UriKind.Absolute),
(s, e) =>
{
change = e;
}
);
using (var tx = _stateManager.CreateTransaction())
{
Assert.IsFalse((await d.TryUpdateAsync(tx, 1, "Two", "One")));
Assert.IsTrue(await d.TryAddAsync(tx, 1, "One"));
using (var tx2 = _stateManager.CreateTransaction())
{
await Assert.ThrowsExceptionAsync <TimeoutException>(
async() =>
{
await d.TryRemoveAsync(tx2, 1, timeout: TimeSpan.FromMilliseconds(20));
}
);
}
await tx.CommitAsync();
Assert.AreEqual("One", change.Added);
}
using (var tx = _stateManager.CreateTransaction())
{
Assert.IsFalse((await d.TryUpdateAsync(tx, 1, "Three", "Two")));
using (_stateManager.CreateTransaction())
{
Assert.IsTrue((await d.TryUpdateAsync(tx, 1, "Two", "One")));
}
await tx.CommitAsync();
Assert.AreEqual("Two", change.Added);
}
}
public async Task RemoveAsync(ITransaction tx, Uri name, TimeSpan timeout)
{
await _store.TryRemoveAsync(tx, name, timeout);
}