when:
        renderer.onOutput(start(1))
        console.flush()

        then:
        progressArea.display == []
    }

    def "parent progress operation without message is ignored when renderable child completes"() {
        when:
        renderer.onOutput(start(1))
        renderer.onOutput(start(id: 2, parentId: 1, status: ":foo"))
        renderer.onOutput(start(id: 3, parentId: null, status: ":bar"))

	}

	// Ensure [start,end) is nondecreasing.
	if start > end {
		start, end = end, start
	}

	if start < root.End() && end > root.Pos() {
		if start == end {
			end = start + 1 // empty interval => interval of size 1
		}
		exact = visit(root)

		// Reverse the path:
		for i, l := 0, len(path); i < l/2; i++ {
			path[i], path[l-1-i] = path[l-1-i], path[i]
		}
	} else {

	return m.recorder
}

// Start mocks base method.
func (m *MockCgroupNotifier) Start(eventCh chan<- struct{}) {
	m.ctrl.T.Helper()
	m.ctrl.Call(m, "Start", eventCh)
}

// Start indicates an expected call of Start.
func (mr *MockCgroupNotifierMockRecorder) Start(eventCh any) *gomock.Call {
	mr.mock.ctrl.T.Helper()

        BuildOperationState operationStateUnderTest

        when:
        def contextUnderTest = operationRunner.start(operationDetailsBuilder)

        then:
        1 * timeProvider.currentTime >> 123L
        1 * listener.start(_, _) >> { BuildOperationDescriptor descriptor, BuildOperationState operationState ->
            descriptorUnderTest = descriptor

    if (start != nullptr) start->WaitForNotification();
    while (!coord_->ShouldStop() && counter->load() < until) {
      (*counter)++;
      Env::Default()->SleepForMicroseconds(10 * 1000);
    }
    coord_->RequestStop().IgnoreError();
  }
  void SetStatusThread(const Status& status, BlockingCounter* counter,
                       Notification* start) {
    start->WaitForNotification();

        def output = output()

        when:
        output.text(eol)
        output.text(eol)
        output.text("$eol$eol")

        then:
        result.toString() == "{eol}{start}{eol}{start}{eol}{start}{eol}"

        where:
        [type, eol] << EOLS
    }

    def "appends eol to current line [#type]"() {
        def output = output()

        when:
        output.text("some text")

    }

    public void "can start and stop with system capture enabled"() {
        loggingManager.captureSystemSources()

        final LoggingSystem.Snapshot stdOutSnapshot = Mock(LoggingSystem.Snapshot.class)
        final LoggingSystem.Snapshot stdErrSnapshot = Mock(LoggingSystem.Snapshot.class)

        when:
        loggingManager.start()

        then:

        }
        def action2 = {
            thread.blockUntil.action1Started
            instant.action2Done
        }

        when:
        async {
            start {
                lifecycle.use(action1)
            }
            start {
                lifecycle.use(action2)
            }
        }

        then:
        instant.action1Done > instant.action2Done
    }

			// alignment should be different from that of stextOffset.
			return start - *stextOffset, true
		}

		return start - loadSegment.Vaddr, true
	}
	if start%pageSize != 0 && stextOffset != nil && *stextOffset%pageSize == start%pageSize {
		// ChromeOS remaps its kernel to 0 + start%pageSize. Nothing
		// else should come down this path. Empirical values:
		//       start=0x198 limit=0x2f9fffff offset=0
		//       VADDR=0xffffffff81000000

	start := i
	for start > 0 && (s[start-1] == ' ' || s[start-1] == '\t') {
		start--
	}
	end := i + 1
	for end < len(s) && (s[end] == ' ' || s[end] == '\t') {
		end++
	}
	// TODO: Do tabs count? That would be a mess.
	if i >= 2 && s[i-1] == ' ' && s[i-2] == ' ' {
		return &HardBreak{}, start, end, true
	}
	return &SoftBreak{}, start, end, true