)
    }

    var result = cachedDns.lookup("google.com")
    assertThat(result).containsExactly(address("157.240.1.18"))
    var recordedRequest = server.takeRequest()
    assertThat(recordedRequest.method).isEqualTo("GET")
    assertThat(recordedRequest.path)
      .isEqualTo("/lookup?ct&dns=AAABAAABAAAAAAAABmdvb2dsZQNjb20AAAEAAQ")

    result = cachedDns.lookup("google.com")

			errStr:   "lookup failed for IP address: lookup 127.0.0.1.1: no such host",
			lookup:   nil,
		},
		{
			name:     "Bad IPv6",
			input:    "[2001:db8::bad::1]:9080",
			expected: "",
			errStr:   "lookup failed for IP address: lookup 2001:db8::bad::1: no such host",
			lookup:   nil,
		},
		{
			name:     "Empty host",
			input:    "",
			expected: "",
			errStr:   ErrResolveNoAddress.Error(),
			lookup:   nil,

    private final Lookup lookup;
    private final RuntimeInformation runtimeInformation;

    @Inject
    @SuppressWarnings("checkstyle:ParameterNumber")
    public DefaultSessionFactory(
            RepositorySystem repositorySystem,
            MavenRepositorySystem mavenRepositorySystem,
            Lookup lookup,
            RuntimeInformation runtimeInformation) {

	}

	af, err := a.Lookup("F")
	if err != nil {
		log.Fatalf(`a.Lookup("F") failed: %v`, err)
	}
	bf, err := b.Lookup("F")
	if err != nil {
		log.Fatalf(`b.Lookup("F") failed: %v`, err)
	}
	if af.(func() interface{})() != bf.(func() interface{})() {
		panic("empty interfaces not equal")
	}

	ag, err := a.Lookup("G")
	if err != nil {
		log.Fatalf(`a.Lookup("G") failed: %v`, err)
	}

        0 * readIndex._
    }

    def "lookup searches the write index then delegates to the read index"() {
        when:
        twoStageIndex.lookup("key")

        then:
        1 * writeIndex.lookup("key") >> null
        1 * readIndex.lookup("key")

        when:
        twoStageIndex.lookup("other")

        then:
        1 * writeIndex.lookup("other") >> Stub(CachedExternalResource)
        0 * readIndex._

	lookup := func() {
		for _, name := range names {
			typ := scope.Lookup(name).Type()
			LookupFieldOrMethod(typ, true, pkg, "m")
		}
	}

	// Perform a lookup once, to ensure that any lazily-evaluated state is
	// complete.
	lookup()

	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		lookup()
	}

    dns[PROXY_A_HOST] = dns.allocate(2)
    val selection = routeSelector.next()
    assertRoute(selection.next(), address, proxyA, dns.lookup(PROXY_A_HOST, 0), PROXY_A_PORT)
    assertRoute(selection.next(), address, proxyA, dns.lookup(PROXY_A_HOST, 1), PROXY_A_PORT)
    assertThat(selection.hasNext()).isFalse()
    assertThat(routeSelector.hasNext()).isFalse()
    dns.assertRequests(PROXY_A_HOST)

    private final Lookup lookup;

    private final TypeRegistry typeRegistry;

    @Inject
    public DefaultPackagingRegistry(Lookup lookup, TypeRegistry typeRegistry, List<PackagingProvider> providers) {
        super(providers);
        this.lookup = lookup;
        this.typeRegistry = typeRegistry;
    }

    @Override
    public Optional<Packaging> lookup(String id) {

        this.lookup = lookup;
    }

    @SuppressWarnings({"rawtypes", "unchecked"})
    @Override
    public void extend(MavenExecutionRequest mavenExecutionRequest) {
        Map<String, PropertyContributor> effectivePropertyContributors = lookup.lookupMap(PropertyContributor.class);
        if (!effectivePropertyContributors.isEmpty()) {

        this.customLifecycles = lifecycles;
        this.lookup = null;
        this.registry = null;
    }

    @Inject
    public DefaultLifecycles(LifecycleRegistry registry, Lookup lookup) {
        this.lookup = lookup;
        this.registry = registry;
    }

    /**
     * Get lifecycle based on phase
     *
     * @param phase
     * @return