//
//	x, ok := <-c
//
// will also set ok to false for a closed and empty channel.
func close(c chan<- Type)

// The panic built-in function stops normal execution of the current
// goroutine. When a function F calls panic, normal execution of F stops
// immediately. Any functions whose execution was deferred by F are run in
// the usual way, and then F returns to its caller. To the caller G, the

			expectedRespStatus: http.StatusNoContent,
			accessKey:          credentials.AccessKey,
			secretKey:          credentials.SecretKey,
			dates:              []interface{}{curTimePlus5Min.Format(iso8601TimeFormat), curTime.Format(iso8601DateFormat), curTime.Format(yyyymmdd)},

	// The connection will remain in this stat until the connection has been successfully re-established.
	StateConnectionError

	// StateShutdown is the state when the server has been shut down.
	// This will not be used under normal operation.
	StateShutdown

	// MaxDeadline is the maximum deadline allowed,
	// Approx 49 days.
	MaxDeadline = time.Duration(math.MaxUint32) * time.Millisecond
)

func TestFormatErasureEmpty(t *testing.T) {
	format := newFormatErasureV3(1, 16)
	format.Erasure.DistributionAlgo = formatErasureVersionV2DistributionAlgoV1
	formats := make([]*formatErasureV3, 16)

	for j := 0; j < 16; j++ {
		newFormat := format.Clone()
		newFormat.Erasure.This = format.Erasure.Sets[0][j]
		formats[j] = newFormat
	}

	// empty format to indicate disk not found, but this
	// empty should return false.

			if err := tr.handleSparseFile(hdr, rawHdr); err != nil {
				return nil, err
			}

			// Set the final guess at the format.
			if format.has(FormatUSTAR) && format.has(FormatPAX) {
				format.mayOnlyBe(FormatUSTAR)
			}
			hdr.Format = format
			return hdr, nil // This is a file, so stop
		}
	}
}

// handleRegularFile sets up the current file reader and padding such that it

	format := &formatErasureV3{}
	format.Version = formatMetaVersionV1
	format.Format = formatBackendErasure
	if setLen == 1 {
		format.Format = formatBackendErasureSingle
	}
	format.ID = mustGetUUID()
	format.Erasure.Version = formatErasureVersionV3
	format.Erasure.DistributionAlgo = formatErasureVersionV3DistributionAlgoV3
	format.Erasure.Sets = make([][]string, numSets)

// Tests extracting bucket and objectname from various types of paths.
func TestPath2BucketObjectName(t *testing.T) {
	testCases := []struct {
		path           string
		bucket, object string
	}{
		// Test case 1 normal case.
		{
			path:   "/bucket/object",
			bucket: "bucket",
			object: "object",
		},
		// Test case 2 where url only has separator.
		{
			path:   SlashSeparator,
			bucket: "",
			object: "",

	selectResources string
	// ignoreResources ignores all listed items during comparison. It uses the same list format as selectResources.
	ignoreResources string
	// renameResources identifies renamed resources before comparison.
	// The format of each renaming pair is A->B, all renaming pairs are comma separated.
	// e.g. Service:*:istio-pilot->Service:*:istio-control - rename istio-pilot service into istio-control

}

// validateOutputFormatFlag validates if the output format is valid.
func validateProfileOutputFormatFlag(outputFormat string) error {
	switch outputFormat {
	case jsonOutput, yamlOutput, flagsOutput:
	default:
		return fmt.Errorf("unknown output format: %s", outputFormat)
	}
	return nil
}

// yamlToFormat converts the generated yaml config to the expected format
func yamlToFormat(yaml, outputFormat string) (string, error) {

		case time.Time:
			if v.IsZero() {
				vars[idx] = escaper + tmFmtZero + escaper
			} else {
				vars[idx] = escaper + v.Format(tmFmtWithMS) + escaper
			}
		case *time.Time:
			if v != nil {
				if v.IsZero() {
					vars[idx] = escaper + tmFmtZero + escaper
				} else {
					vars[idx] = escaper + v.Format(tmFmtWithMS) + escaper
				}
			} else {
				vars[idx] = nullStr
			}
		case driver.Valuer: