Allow OpenAsync to be canceled earlier.

bgrainger · bgrainger · commit 181209c9c145 · 2021-12-05T15:10:03.000-08:00
diff --git a/src/MySqlConnector/MySqlConnection.cs b/src/MySqlConnector/MySqlConnection.cs
@@ -373,6 +373,7 @@ private async ValueTask<bool> PingAsync(IOBehavior ioBehavior, CancellationToken
 	internal async Task OpenAsync(IOBehavior? ioBehavior, CancellationToken cancellationToken)
 	{
 		VerifyNotDisposed();
+		cancellationToken.ThrowIfCancellationRequested();
 		if (State != ConnectionState.Closed)
 			throw new InvalidOperationException("Cannot Open when State is {0}.".FormatInvariant(State));
 

Original file line number	Diff line number	Diff line change
`@@ -373,6 +373,7 @@ private async ValueTask<bool> PingAsync(IOBehavior ioBehavior, CancellationToken`
`373`	`373`	`internal async Task OpenAsync(IOBehavior? ioBehavior, CancellationToken cancellationToken)`
`374`	`374`	`{`
`375`	`375`	`VerifyNotDisposed();`
	`376`	`+ cancellationToken.ThrowIfCancellationRequested();`
`376`	`377`	`if (State != ConnectionState.Closed)`
`377`	`378`	`throw new InvalidOperationException("Cannot Open when State is {0}.".FormatInvariant(State));`
`378`	`379`