// CloseNotifier predates context.Context, and has been
		// entirely superseded by it. If the request contains
		// a Context that carries a cancellation signal, don't
		// bother spinning up a goroutine to watch the CloseNotify
		// channel (if any).
		//
		// If the request Context has a nil Done channel (which
		// means it is either context.Background, or a custom
		// Context implementation with no cancellation signal),

	if recordSizes == nil {
		t.Fatalf("Client encountered an error")
	}

	// Drop the size of the second to last record, which is likely to be
	// truncated, and the last record, which is a close_notify alert.
	recordSizes = recordSizes[:len(recordSizes)-2]

	// recordSizes should contain a series of records smaller than
	// tcpMSSEstimate followed by some larger than maxPlaintext.
	seenLargeRecord := false