TestableSubscriberOptions

@available(macOS 10.15, iOS 13.0, tvOS 13.0, watchOS 6.0, *)
public struct TestableSubscriberOptions

Options for the defining the behavior of a TestableSubscriber throughout its lifetime

  • The demand that will be signalled to the upstream Publisher upon subscription

    Declaration

    Swift

    public var initialDemand: Subscribers.Demand

  • The demand that will be signalled to the upstream Publisher when the initial demand is depleted

    Declaration

    Swift

    public var subsequentDemand: Subscribers.Demand

  • When demand has been depleted, the delay in virtual time before additional demand (amount determined by `.subsequentDemand) is signalled to the upstream publisher.

    Declaration

    Swift

    public var demandReplenishmentDelay: VirtualTimeInterval

  • An action to perform when a publisher produces a greater number of elements than the subscriber has signalled demand for. The default is an assertion failure.

    Declaration

    Swift

    public var negativeBalanceHandler: (() -> Void)?

  • Pre-populated TestableSubscriber options:

    The defaults are:

    Declaration

    Swift

    public static let `default`: TestableSubscriberOptions