// valid.
func validateIngressClassSpecUpdate(newSpec, oldSpec *networking.IngressClassSpec, fldPath *field.Path) field.ErrorList {
	return apivalidation.ValidateImmutableField(newSpec.Controller, oldSpec.Controller, fldPath.Child("controller"))
}

// validateIngressTypedLocalObjectReference ensures that Parameters fields are valid.

			t.Errorf("Header(Date: %s).Date() did not return an error but %v", test.dateStr, date)
		}

		date, err = ParseDate(test.dateStr)
		if err != nil && test.valid {
			t.Errorf("ParseDate(%s): %v", test.dateStr, err)
		} else if err == nil && test.exp.IsZero() {
			// OK.  Used when exact result depends on the
			// system's local zoneinfo.

		}
		n := binary.PutUvarint(tmp[:], uint64(checksums))
		b = append(b, tmp[:n]...)
		if len(parts) > 0 {
			b = append(b, parts...)
		}
	}
	return b
}

// Valid returns whether checksum is valid.
func (c Checksum) Valid() bool {
	if c.Type == ChecksumInvalid {
		return false
	}
	if len(c.Encoded) == 0 || c.Type.Trailing() {
		return c.Type.Is(ChecksumNone) || c.Type.Trailing()
	}
	raw := c.Raw

        result.output.count(YES_NO_PROMPT) == 1
        outputContains("result = <default>")

        where:
        richConsole << VALID_BOOLEAN_CHOICES
    }

    def "can ask yes/no and handle valid input '#input' in interactive build"() {
        when:
        runWithInput("askYesNo", YES_NO_PROMPT, stdin)

        then:
        outputContains("result = $accepted")

        where:

	tests := []struct {
		name          string
		address       string
		expectedError bool
	}{
		{
			name:    "valid address: IPV4",
			address: "192.168.0.1",
		},
		{
			name:    "valid address: IPV6",
			address: "2001:db8:85a3::8a2e:370:7334",
		},
		{
			name:          "valid address 127.0.0.1",
			address:       "127.0.0.1",
			expectedError: false,
		},
		{

	//   3. Signer whose configured minimum is longer than the requested duration
	//
	// The minimum valid value for expirationSeconds is 600, i.e. 10 minutes.
	//
	// +optional
	ExpirationSeconds *int32

	// usages specifies a set of usage contexts the key will be
	// valid for.
	// See:
	//	https://tools.ietf.org/html/rfc5280#section-4.2.1.3
	//	https://tools.ietf.org/html/rfc5280#section-4.2.1.12

        buildScript '''
            apply type: RulePlugin
        '''

        then:
        fails "tasks"

        and:
        failure.assertHasCause """Type Person is not a valid managed type:
- Property 'name' is not valid: it must have either only abstract accessor methods or only implemented accessor methods"""
    }

    def "non-mutative non-abstract methods implemented as default interface methods are not allowed"() {

  /**
   * Validation method used by {@code from} to ensure that the domain name is syntactically valid
   * according to RFC 1035.
   *
   * @return Is the domain name syntactically valid?
   */
  private static boolean validateSyntax(List<String> parts) {
    int lastIndex = parts.size() - 1;

    // Validate the last part specially, as it has different syntax rules.

    if (!validatePart(parts.get(lastIndex), true)) {

		if name[i] == '.' {
			break
		}
	}
	return name[:i]
}

func funcfile(f funcInfo, fileno int32) string {
	datap := f.datap
	if !f.valid() {
		return "?"
	}
	// Make sure the cu index and file offset are valid
	if fileoff := datap.cutab[f.cuOffset+uint32(fileno)]; fileoff != ^uint32(0) {
		return gostringnocopy(&datap.filetab[fileoff])
	}
	// pcln section is corrupt.

  /**
   * Validation method used by {@code from} to ensure that the domain name is syntactically valid
   * according to RFC 1035.
   *
   * @return Is the domain name syntactically valid?
   */
  private static boolean validateSyntax(List<String> parts) {
    int lastIndex = parts.size() - 1;

    // Validate the last part specially, as it has different syntax rules.

    if (!validatePart(parts.get(lastIndex), true)) {