// GlobalContext context that is canceled when server is requested to shut down.
// cancelGlobalContext can be used to indicate server shutdown.
var GlobalContext, cancelGlobalContext = context.WithCancel(context.Background())

// restartProcess starts a new process passing it the active fd's. It
// doesn't fork, but starts a new process using the same environment and

// are consistent with each other.
func TestListOnlineDisks(t *testing.T) {
	if runtime.GOOS == globalWindowsOSName {
		t.Skip()
	}

	ctx, cancel := context.WithCancel(t.Context())
	defer cancel()

	obj, disks, err := prepareErasure16(ctx)
	if err != nil {
		t.Fatalf("Prepare Erasure backend failed - %v", err)
	}
	setObjectLayer(obj)
	defer obj.Shutdown(t.Context())

// initializes the endpoints and configures the test server.
// The server should be started using the Start() method.
func UnstartedTestServer(t TestErrHandler, instanceType string) TestServer {
	ctx, cancel := context.WithCancel(context.Background())
	// create an instance of TestServer.
	testServer := TestServer{cancel: cancel}
	// return FS/Erasure object layer and temp backend.
	objLayer, disks, err := prepareTestBackend(ctx, instanceType)

	"os"
	"reflect"
	"testing"

	"github.com/minio/minio/internal/config"
)

// Tests validate bucket LocationConstraint.
func TestIsValidLocationConstraint(t *testing.T) {
	ctx, cancel := context.WithCancel(t.Context())
	defer cancel()

	obj, fsDir, err := prepareFS(ctx)
	if err != nil {
		t.Fatal(err)
	}
	defer os.RemoveAll(fsDir)
	if err = newTestConfig(globalMinioDefaultRegion, obj); err != nil {

	}
}

// TestNewErasure - tests initialization of all input disks
// and constructs a valid `Erasure` object
func TestNewErasureSets(t *testing.T) {
	ctx, cancel := context.WithCancel(t.Context())
	defer cancel()

	nDisks := 16 // Maximum disks.
	var erasureDisks []string
	for range nDisks {
		// Do not attempt to create this path, the test validates

			t.Errorf("(%d) expected to get %s, instead got %s", i, niceError(testCase.expected), niceError(code))
		}
	}
}

func TestDoesPresignedSignatureMatch(t *testing.T) {
	ctx, cancel := context.WithCancel(t.Context())
	defer cancel()

	obj, fsDir, err := prepareFS(ctx)
	if err != nil {
		t.Fatal(err)
	}
	defer os.RemoveAll(fsDir)
	if err = newTestConfig(globalMinioDefaultRegion, obj); err != nil {

// NewBgHealSequence creates a background healing sequence
// operation which scans all objects and heal them.
func newBgHealSequence() *healSequence {
	reqInfo := &logger.ReqInfo{API: "BackgroundHeal"}
	ctx, cancelCtx := context.WithCancel(logger.SetReqInfo(GlobalContext, reqInfo))

	hs := madmin.HealOpts{
		// Remove objects that do not have read-quorum
		Remove: healDeleteDangling,
	}

	return &healSequence{
		startTime:   UTCNow(),

pkg bytes, method (*Reader) Reset([]uint8)
pkg compress/flate, const HuffmanOnly = -2
pkg compress/flate, const HuffmanOnly ideal-int
pkg context, func Background() Context
pkg context, func TODO() Context
pkg context, func WithCancel(Context) (Context, CancelFunc)
pkg context, func WithDeadline(Context, time.Time) (Context, CancelFunc)
pkg context, func WithTimeout(Context, time.Duration) (Context, CancelFunc)

	}
	w.WriteHeader(http.StatusOK)
}

// NetperfHandler - perform mesh style network throughput test
func (a adminAPIHandlers) NetperfHandler(w http.ResponseWriter, r *http.Request) {
	ctx, cancel := context.WithCancel(r.Context())
	defer cancel()

	objectAPI, _ := validateAdminReq(ctx, w, r, policy.HealthInfoAdminAction)
	if objectAPI == nil {
		return
	}

	if !globalIsDistErasure {

	case "Rmdir":
		bucket, prefix := path2BucketObject(r.Filepath)
		if bucket == "" {
			return errors.New("deleting all buckets not allowed")
		}

		cctx, cancel := context.WithCancel(context.Background())
		defer cancel()

		if prefix == "" {
			// if all objects are not deleted yet this call may fail.
			return clnt.RemoveBucket(cctx, bucket)
		}