text, err := test.Key.MarshalText()
		if err != nil {
			t.Fatalf("Test %d: failed to marshal DEK: %v", i, err)
		}

		var key DEK
		if err = key.UnmarshalText(text); err != nil {
			t.Fatalf("Test %d: failed to unmarshal DEK: %v", i, err)
		}
		if key.Plaintext != nil {
			t.Fatalf("Test %d: unmarshaled DEK contains non-nil plaintext", i)
		}
		if !bytes.Equal(key.Ciphertext, test.Key.Ciphertext) {

	v := PoolDecommissionInfo{}
	bts, err := v.MarshalMsg(nil)
	if err != nil {
		t.Fatal(err)
	}
	left, err := v.UnmarshalMsg(bts)
	if err != nil {
		t.Fatal(err)
	}
	if len(left) > 0 {
		t.Errorf("%d bytes left over after UnmarshalMsg(): %q", len(left), left)
	}

	left, err = msgp.Skip(bts)
	if err != nil {
		t.Fatal(err)
	}
	if len(left) > 0 {

	v := BatchJobKV{}
	bts, err := v.MarshalMsg(nil)
	if err != nil {
		t.Fatal(err)
	}
	left, err := v.UnmarshalMsg(bts)
	if err != nil {
		t.Fatal(err)
	}
	if len(left) > 0 {
		t.Errorf("%d bytes left over after UnmarshalMsg(): %q", len(left), left)
	}

	left, err = msgp.Skip(bts)
	if err != nil {
		t.Fatal(err)
	}
	if len(left) > 0 {

	v := BatchJobKeyRotateEncryption{}
	bts, err := v.MarshalMsg(nil)
	if err != nil {
		t.Fatal(err)
	}
	left, err := v.UnmarshalMsg(bts)
	if err != nil {
		t.Fatal(err)
	}
	if len(left) > 0 {
		t.Errorf("%d bytes left over after UnmarshalMsg(): %q", len(left), left)
	}

	left, err = msgp.Skip(bts)
	if err != nil {
		t.Fatal(err)
	}
	if len(left) > 0 {

	v := xlMetaDataDirDecoder{}
	bts, err := v.MarshalMsg(nil)
	if err != nil {
		t.Fatal(err)
	}
	left, err := v.UnmarshalMsg(bts)
	if err != nil {
		t.Fatal(err)
	}
	if len(left) > 0 {
		t.Errorf("%d bytes left over after UnmarshalMsg(): %q", len(left), left)
	}

	left, err = msgp.Skip(bts)
	if err != nil {
		t.Fatal(err)
	}
	if len(left) > 0 {

		{testBuckets[5], "foo/201910/1112", "content", nil},
		{testBuckets[5], "foo/201910/2112", "content", nil},
		{testBuckets[5], "foo/201910_txt", "content", nil},
		{testBuckets[5], "201910/foo/bar/xl.meta/1.txt", "content", nil},
		{testBuckets[6], "aaa", "content", nil},
		{testBuckets[6], "bbb_aaa", "content", nil},
		{testBuckets[6], "bbb_aaa", "content", nil},
		{testBuckets[6], "ccc", "content", nil},
	}

		switch {
		case err == nil && test.expError != nil:
			t.Errorf("Test %d: Expected error %v but got none.", i, test.expError)
		case err == nil && n != int64(test.length):
			t.Errorf("Test %d: %d bytes were expected, but %d were written", i, test.length, n)
		case err == nil && !bytes.Equal(data[test.offset:test.offset+test.length], buffer):

	}
	for _, file := range files {
		f, err := w.Create(file.Name)
		if err != nil {
			log.Fatal(err)
		}
		_, err = f.Write([]byte(file.Body))
		if err != nil {
			log.Fatal(err)
		}
	}

	// Make sure to check the error on Close.
	err := w.Close()
	if err != nil {
		log.Fatal(err)
	}
}

func ExampleReader() {
	// Open a zip archive for reading.

	if err != nil {
		return nil, nil, err
	}

	version, err := formatGetBackendErasureVersion(formatData)
	if err != nil {
		return nil, nil, fmt.Errorf("Drive %s: %w", export, err)
	}

	migrate := func(formatPath string, formatData []byte) ([]byte, fs.FileInfo, error) {
		if err = os.WriteFile(formatPath, formatData, 0o666); err != nil {
			return nil, nil, err
		}

		Ciphertext: []byte("stubplaincharswhichare32bytelong"),
	}, nil
}

// Decrypt is a non-functional stub.
func (s StubKMS) Decrypt(_ context.Context, req *DecryptRequest) ([]byte, error) {
	return req.Ciphertext, nil
}

// MAC is a non-functional stub.
func (s StubKMS) MAC(_ context.Context, m *MACRequest) ([]byte, error) {
	return m.Message, nil
}