hdr.SetMode(fs.ModeDir | 0o755)
	w, err := zw.CreateHeader(hdr)
	if err != nil {
		t.Fatalf("create zip header: %v", err)
	}
	_, err = w.Write([]byte("some data"))
	if err != nil {
		t.Fatalf("write zip contents: %v", err)

	}
	err = zw.Close()
	if err != nil {
		t.Fatalf("close zip writer: %v", err)

	}

	zr, err := NewReader(bytes.NewReader(buf.Bytes()), int64(buf.Len()))

			if err != nil {
				os.RemoveAll(dir)
				t.Fatalf("Unable to create a file, %s", err)
			}
		}
		entries, err := readDirN(dir, testCase.n)
		if err != nil {
			os.RemoveAll(dir)
			t.Fatalf("Unable to read entries, %s", err)
		}
		if len(entries) != testCase.expectedNum {
			os.RemoveAll(dir)
			t.Fatalf("Test %d: unexpected number of entries, waiting for %d, but found %d",

		t.Fatal("Unmarshal: ", err)
	} else if len(jk.Keys) != 3 {
		t.Fatalf("Expected 3 keys, got %d", len(jk.Keys))
	}

	var kids []string
	for ii, jks := range jk.Keys {
		_, err := jks.DecodePublicKey()
		if err != nil {
			t.Fatalf("Failed to decode key %d: %v", ii, err)
		}
		kids = append(kids, jks.Kid)
	}
	if len(kids) != 3 {

	if n, err := b.Read(nil); n != 0 || err != nil {
		t.Fatalf("Read(nil) = %d,%v; want 0,nil", n, err)
	}
	if err := b.UnreadByte(); err == nil {
		t.Fatal("UnreadByte after Read(nil): got no error")
	}

	// after successful read
	if _, err := b.ReadBytes('m'); err != nil {
		t.Fatalf("ReadBytes: %v", err)
	}
	if err := b.UnreadByte(); err != nil {
		t.Fatalf("UnreadByte: %v", err)
	}
	c, err := b.ReadByte()

		{Action: NoneAction},
	}
	for i := range wantEvents {
		if gotEvents[i].Action != wantEvents[i].Action {
			t.Fatalf("test-%d: got %v, want %v", i+1, gotEvents[i], wantEvents[i])
		}
	}

	// Test with zero versions
	events, err := evaluator.Eval(nil)
	if len(events) != 0 || err != nil {
		t.Fatal("expected no events nor error")
	}
}

func TestEmptyEvaluator(t *testing.T) {
	var objs []ObjectOpts

		switch {
		case testCase.expectedErr == nil:
			if err != nil {
				t.Fatalf("error: expected = <nil>, got = %v", err)
			}
		case err == nil:
			t.Fatalf("error: expected = %v, got = <nil>", testCase.expectedErr)
		case testCase.expectedErr.Error() != err.Error():
			t.Fatalf("error: expected = %v, got = %v", testCase.expectedErr, err)
		}
	}

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

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

	if err = newTestConfig(globalMinioDefaultRegion, objLayer); err != nil {
		t.Fatalf("Init Test config failed")
	}

	if globalSite.Region() != globalMinioDefaultRegion {
		t.Errorf("Expecting region `us-east-1` found %s", globalSite.Region())

		w := NewWalker(nil, "testdata/src/pkg")
		pkg, err := w.import_(fi.Name())
		if err != nil {
			t.Fatalf("import %s: %v", fi.Name(), err)
		}
		w.export(pkg)

		if *updateGolden {
			os.Remove(goldenFile)
			f, err := os.Create(goldenFile)
			if err != nil {
				t.Fatal(err)
			}
			for _, feat := range w.Features() {
				fmt.Fprintf(f, "%s\n", feat)
			}
			f.Close()
		}

		if expectErr != testCase.expectErr {
			t.Fatalf("case %v: error: expected: %v, got: %v", i+1, testCase.expectErr, expectErr)
		}

		if !testCase.expectErr {
			data, err := storage.ReadAll(t.Context(), testCase.volumeName, testCase.objectName)
			if err != nil {
				t.Fatal(err)
			}

			if !bytes.Equal(data, testCase.data) {
				t.Fatalf("case %v: expected %v, got %v", i+1, testCase.data, data)
			}

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

	if err = newTestConfig(globalMinioDefaultRegion, objLayer); err != nil {
		t.Fatalf("unable initialize config file, %s", err)
	}

	creds, err := auth.CreateCredentials("myuser", "mypassword")
	if err != nil {
		t.Fatalf("unable create credential, %s", err)
	}

	globalActiveCred = creds