// from the default Source.
func Float32() float32 { return globalRand.Float32() }

// Perm returns, as a slice of n ints, a pseudo-random permutation of the integers
// in the half-open interval [0,n) from the default Source.
func Perm(n int) []int { return globalRand.Perm(n) }

// Shuffle pseudo-randomizes the order of elements using the default Source.

				fn   func() int
			}{
				{name: "Int31n", fn: func() int { return int(r.Int31n(int32(nfact))) }},
				{name: "int31n", fn: func() int { return int(Int31nForTest(r, int32(nfact))) }},
				{name: "Perm", fn: func() int { return encodePerm(r.Perm(n)) }},
				{name: "Shuffle", fn: func() int {
					// Generate permutation using Shuffle.
					for i := range p {
						p[i] = i
					}

		if s != "" {
			return s
		}
	}
	return "errno " + itoa.Itoa(int(e))
}

func (e Errno) Is(target error) bool {
	switch target {
	case oserror.ErrPermission:
		return e == EACCES || e == EPERM
	case oserror.ErrExist:
		return e == EEXIST || e == ENOTEMPTY
	case oserror.ErrNotExist:
		return e == ENOENT
	case errorspkg.ErrUnsupported:
		return e == ENOSYS || e == ENOTSUP || e == EOPNOTSUPP
	}

			}
		})
	}
}

func removeThenCreate(name string, data []byte, perm os.FileMode) error {
	if err := os.Remove(name); err != nil {
		if !os.IsNotExist(err) {
			return err
		}
	}
	return os.WriteFile(name, data, perm)
}

func createCertAndKeyFiles(certDir string) (string, string, error) {

	"io"
	"os"
	"os/exec"
	"regexp"
	"slices"
	"strings"
	"syscall"
	"testing"
	"time"
)

func toErrno(err error) (syscall.Errno, bool) {
	operr, ok := err.(*OpError)
	if !ok {
		return 0, false
	}
	syserr, ok := operr.Err.(*os.SyscallError)
	if !ok {
		return 0, false
	}
	errno, ok := syserr.Err.(syscall.Errno)
	if !ok {
		return 0, false
	}
	return errno, true
}

func syscallMode(i FileMode) (o uint32) {
	o |= uint32(i.Perm())
	if i&ModeAppend != 0 {
		o |= syscall.DMAPPEND
	}
	if i&ModeExclusive != 0 {
		o |= syscall.DMEXCL
	}
	if i&ModeTemporary != 0 {
		o |= syscall.DMTMP
	}
	return
}

// openFileNolog is the Plan 9 implementation of OpenFile.
func openFileNolog(name string, flag int, perm FileMode) (*File, error) {
	var (
		fd     int
		e      error

            }
            break;
        case OPERA:
            if (isLocalFile) {
                url = url.replaceFirst("file:/+", systemProperties.getProperty("file.protocol.winlocal.opera", "file://"));
            } else {
                url = url.replaceFirst("file:/+", systemProperties.getProperty("file.protocol.opera", "file://"));
            }
            break;
        default:

   * <pre>{@code
   * for (List<String> perm : orderedPermutations(asList("b", "c", "a"))) {
   *   println(perm);
   * }
   * // -> ["a", "b", "c"]
   * // -> ["a", "c", "b"]
   * // -> ["b", "a", "c"]
   * // -> ["b", "c", "a"]
   * // -> ["c", "a", "b"]
   * // -> ["c", "b", "a"]
   *
   * for (List<Integer> perm : orderedPermutations(asList(1, 2, 2, 1))) {
   *   println(perm);
   * }
   * // -> [1, 1, 2, 2]

	pods := make([]*v1.Pod, 10)
	perm := rand.Perm(10)
	for i, v := range perm {
		pods[i] = newStatefulSetPod(set, v)
	}
	sort.Sort(ascendingOrdinal(pods))
	if !sort.IsSorted(ascendingOrdinal(pods)) {
		t.Error("ascendingOrdinal fails to sort Pods")
	}
}

func TestOverlappingStatefulSets(t *testing.T) {
	sets := make([]*apps.StatefulSet, 10)
	perm := rand.Perm(10)
	for i, v := range perm {

		if s != "" {
			return s
		}
	}
	return "errno " + itoa.Itoa(int(e))
}

func (e Errno) Is(target error) bool {
	switch target {
	case oserror.ErrPermission:
		return e == EACCES || e == EPERM
	case oserror.ErrExist:
		return e == EEXIST || e == ENOTEMPTY
	case oserror.ErrNotExist:
		return e == ENOENT
	case errors.ErrUnsupported:
		return e == ENOSYS
	}
	return false
}