}

func (p clusterPatcher) patch(hosts []host.Name, c *cluster.Cluster) *discovery.Resource {
	cluster := p.doPatch(hosts, c)
	if cluster == nil {
		return nil
	}
	return &discovery.Resource{Name: cluster.Name, Resource: protoconv.MessageToAny(cluster)}
}

func (p clusterPatcher) doPatch(hosts []host.Name, c *cluster.Cluster) *cluster.Cluster {
	if !envoyfilter.ShouldKeepCluster(p.pctx, p.efw, c, hosts) {

#	NOMATCH
#	(0,.)\((\(.\),\(.\))(?,?)(\2,\3)\)*
#	(0,.)\((\(.\),\(.\))(\2,\3)(?,?)\)*
# i.e., each 3-tuple has two identical elements and one (?,?)

E	((..)|(.))				NULL		NOMATCH
E	((..)|(.))((..)|(.))			NULL		NOMATCH
E	((..)|(.))((..)|(.))((..)|(.))		NULL		NOMATCH

E	((..)|(.)){1}				NULL		NOMATCH
E	((..)|(.)){2}				NULL		NOMATCH
E	((..)|(.)){3}				NULL		NOMATCH

	"k8s.io/apimachinery/pkg/runtime/schema"
	"k8s.io/apimachinery/pkg/util/sets"
	"k8s.io/apiserver/pkg/admission"
)

type ruleTest struct {
	rule    adreg.RuleWithOperations
	match   []admission.Attributes
	noMatch []admission.Attributes
}
type tests map[string]ruleTest

func a(group, version, resource, subresource, name string, operation admission.Operation, operationOptions runtime.Object) admission.Attributes {

    }

    @Test
    public void testRenameNoMatch() {
        RegExpNameMapper mapper = new RegExpNameMapper("(.+).java", "$1Test.java");
        String noMatch = "NoMatch";
        assertEquals(noMatch, mapper.transform(noMatch));
    }

! stdout 'no tests to run'

# Tests where -run doesn't match any seed corpora.

go test -run FuzzFoo/nomatch
stdout ok

go test -run /nomatch
stdout ok

go test -v -run FuzzFoo/nomatch
stdout '=== RUN   FuzzFoo'
stdout '--- PASS: FuzzFoo'
stdout ok
! stdout 'no tests to run'

go test -v -run /nomatch
stdout '=== RUN   FuzzFoo'
stdout '--- PASS: FuzzFoo'
stdout ok
! stdout 'no tests to run'

							// Run the test cases.
							echotest.New(t, allServices.Instances()).
								FromMatch(match.And(c.fromMatch, match.NotProxylessGRPC)).
								ToMatch(match.And(c.toMatch, match.NotProxylessGRPC)).
								WithDefaultFilters(1, 1).
								ConditionallyTo(echotest.NoSelfCalls).
								Run(func(t framework.TestContext, from echo.Instance, to echo.Target) {

			toMatch := match.Not(fromMatch)
			to := toMatch.GetServiceMatches(apps.Ns1AndNs2)
			fromAndTo := to.Instances().Append(from)

			config.New(t).
				Source(config.File("testdata/authz/not-method.yaml.tmpl")).
				BuildAll(nil, to).
				Apply()

			newTrafficTest(t, fromAndTo).
				FromMatch(fromMatch).
				ToMatch(toMatch).

Adam Langley <******@****.***> 1471477547 -0700

		if backOff.IsInBackOffSinceUpdate(backOffID, time.Now()) {
			return
		}

		if err := s.doWatch(); err != nil {
			klog.ErrorS(err, "Unable to read config path", "path", s.path)
			if _, retryable := err.(*retryableError); !retryable {
				backOff.Next(backOffID, time.Now())
			}
		}
	}, retryPeriod)
}

func (s *sourceFile) doWatch() error {
	_, err := os.Stat(s.path)
	if err != nil {
		if !os.IsNotExist(err) {

			return 0
		}
		return noMatch

	case 4, 6, 8:
		// Linear search for a few pairs.
		// Should handle ASCII well.
		for j := 0; j < len(rune); j += 2 {
			if r < rune[j] {
				return noMatch
			}
			if r <= rune[j+1] {
				return j / 2
			}
		}
		return noMatch
	}

	// Otherwise binary search.
	lo := 0
	hi := len(rune) / 2
	for lo < hi {
		m := int(uint(lo+hi) >> 1)