broadcaster.finished(op1, finishEvent)
        broadcaster.finished(op2, finishEvent)

        then:
        events == [
            start("1", id1),
            start("2", id1),
            start("3", id1),
            start("1", id2),
            start("2", id2),
            start("3", id2),
            finished("3", id1),
            finished("2", id1),
            finished("1", id1),
            finished("3", id2),

        def op1 = ops.start("compile", null, new OperationIdentifier(1), null)
        def op2 = ops.start("resolve", null, new OperationIdentifier(2), null)

        then:
        op1.operationId.id == 1L
        op1.parent == null
        op2.operationId.id == 2L
        op2.parent == null
    }

    def "tracks progress"() {
        when:
        ops.start("Building", null, new OperationIdentifier(1), null)

    def "blocking action fails when action does not wait for async action to start"() {
        Runnable action = Mock()
        def operation = waitsForAsyncActionToComplete()

        when:
        operation.start {
            start { action.run() }
        }
        finished()

        then:
        _ * action.run() >> { operation.done() }
    }

		&model.Service{Hostname: "foo.com"}, nil)
	work := func(start time.Time, n int32) {
		v := mkv(n)
		time.Sleep(time.Millisecond * time.Duration(rand.Intn(100)))
		req := &model.PushRequest{Start: start}
		c.Add(k, req, v)
	}
	// 5 round of xds push
	for vals := 0; vals < 5; vals++ {
		c.ClearAll()
		n.Inc()
		start := time.Now()
		for i := 0; i < 5; i++ {
			go work(start, n.Load())
		}
		retry.UntilOrFail(t, func() bool {

	s.next = s.start
}

// deleteRange removes the given range from s.b before the current token.
func (s *scanner) deleteRange(start, end int) {
	s.b = s.b[:start+copy(s.b[start:], s.b[end:])]
	diff := end - start
	s.next -= diff
	s.start -= diff
	s.end -= diff
}

// scan parses the next token of a BCP 47 string.  Tokens that are larger
// than 8 characters or include non-alphanumeric characters result in an error

            andx = null;

            dst[start + ANDX_COMMAND_OFFSET] = (byte)0xFF;
            dst[start + ANDX_RESERVED_OFFSET] = (byte)0x00;
//            dst[start + ANDX_OFFSET_OFFSET] = (byte)0x00;
//            dst[start + ANDX_OFFSET_OFFSET + 1] = (byte)0x00;
            dst[start + ANDX_OFFSET_OFFSET] = (byte)0xde;
            dst[start + ANDX_OFFSET_OFFSET + 1] = (byte)0xde;

		return 0, 0, err
	}

	start = h.Start
	if h.IsSuffixLength {
		start = resourceSize + h.Start
		if start < 0 {
			start = 0
		}
	}
	return start, length, nil
}

// Parse a HTTP range header value into a HTTPRangeSpec
func parseRequestRangeSpec(rangeString string) (hrange *HTTPRangeSpec, err error) {
	// Return error if given range string doesn't start with byte range prefix.

		}
	}

	// Assign line comments to syntax immediately following.
	for _, x := range in.pre {
		start, _ := x.Span()
		if debug {
			fmt.Fprintf(os.Stderr, "pre %T :%d:%d #%d\n", x, start.Line, start.LineRune, start.Byte)
		}
		xcom := x.Comment()
		for len(line) > 0 && start.Byte >= line[0].Start.Byte {
			if debug {

		// have an empty match: start.x==end.x and start.y==end.y.
		start := m
		for start.x > done.x && start.y > done.y && x[start.x-1] == y[start.y-1] {
			start.x--
			start.y--
		}
		end := m
		for end.x < len(x) && end.y < len(y) && x[end.x] == y[end.y] {
			end.x++
			end.y++
		}

		// Emit the mismatched lines before start into this chunk.

        server.expect("f")
        server.start()

        when:
        async {
            start {
                succeeds("a")
            }
            start {
                succeeds("b")
            }
            server.waitForRequests(2)
            succeeds("c")
            start {
                succeeds("d")
            }
            start {
                succeeds("e")
            }