// Copyright 2015 The Vanadium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package test_service

// CancelCollector is a test interface for use in testing cancellation and deadlines.
type CancelCollector interface {
	// A function that never returns, but records the status of the given key.
	NeverReturn(key int64) error

	// Wait for the call with the given key to have the given status.  Possible statuses are:
	// "running", and, "cancelled".  Returns the number of nanoseconds left on
	// the deadline of the specified call when the call first began.
	WaitForStatus(key int64, status string) (timeout int64 | error)
}