container.addAllLater(provider1)

        when:
        container.all(action)

        then:
        1 * action.execute(c)
        _ * provider1.elementType >> type
        1 * provider1.calculateValue(_) >> ValueSupplier.Value.of([c])
        _ * provider1.size() >> 1
        0 * _

        when:
        container.addAllLater(provider2)

        then: