}

func genMessage(header, payload []byte) []byte {
	headerLength := len(header)
	payloadLength := len(payload)
	totalLength := totalByteLength(headerLength, payloadLength)

	buf := new(bytes.Buffer)
	binary.Write(buf, binary.BigEndian, uint32(totalLength))
	binary.Write(buf, binary.BigEndian, uint32(headerLength))
	prelude := buf.Bytes()
	binary.Write(buf, binary.BigEndian, crc32.ChecksumIEEE(prelude))

			if err != nil {
				t.Fatal(err)
			}
			expectedOut := string(defaultFile)
			if len(expectedOut) == 0 {
				t.Fatal("expected output is empty")
			}

			var out bytes.Buffer
			rootCmd := Cmd(ctx)
			rootCmd.SetArgs(tt.args)
			rootCmd.SetOut(&out)
			rootCmd.SetErr(&out)

			fErr := rootCmd.Execute()
			if fErr != nil {
				t.Fatal(fErr)
			}

	for i, c := range cases {
		t.Run(fmt.Sprintf("case %d %q", i, c.args), func(t *testing.T) {
			args := strings.Split(c.args, " ")
			setFlag := fmt.Sprintf("installPackagePath=%s", snapshotCharts)
			by := &bytes.Buffer{}
			_, err := profileDiffInternal(args[len(args)-2], args[len(args)-1], []string{setFlag}, by, l)
			verifyProfileDiffCommandCaseOutput(t, c, by.String(), err)
		})
	}
}

				if err == io.EOF {
					break
				}
				if err != nil {
					t.Error(err)
				}
				want, err := refDec.Read(nil)
				if err != nil {
					t.Error(err)
				}
				var gotB, wantB bytes.Buffer
				opts := sql.WriteCSVOpts{
					FieldDelimiter: ',',
					Quote:          '"',
					QuoteEscape:    '"',
					AlwaysQuote:    false,
				}
				err = rec.WriteCSV(&gotB, opts)
				if err != nil {

}

func (c *esClientV7) updateEntry(ctx context.Context, index string, key string, eventData event.Event) error {
	doc := map[string]interface{}{
		"Records": []event.Event{eventData},
	}
	var buf bytes.Buffer
	enc := json.NewEncoder(&buf)
	err := enc.Encode(doc)
	if err != nil {
		return err
	}
	res, err := c.Index(
		index,
		&buf,
		c.Index.WithDocumentID(key),
		c.Index.WithContext(ctx),
	)

			verifyTestcaseOutput(t, Cmd(cli.NewFakeContext(nil)), c)
		})
	}
}

func verifyTestcaseOutput(t *testing.T, cmd *cobra.Command, c testcase) {
	t.Helper()

	var out bytes.Buffer
	cmd.SetArgs(c.args)
	cmd.SetOut(&out)
	cmd.SetErr(&out)
	cmd.SilenceUsage = true
	if c.namespace != "" {
		namespace = c.namespace
	}

	fErr := cmd.Execute()
	output := out.String()

	b.n = 0
	return nil
}

// Available returns how many bytes are unused in the buffer.
func (b *Writer) Available() int { return len(b.buf) - b.n }

// AvailableBuffer returns an empty buffer with b.Available() capacity.
// This buffer is intended to be appended to and
// passed to an immediately succeeding [Writer.Write] call.
// The buffer is only valid until the next write operation on b.
func (b *Writer) AvailableBuffer() []byte {

}

// pickRelevantGoroutines returns all goroutines we care about for the purpose
// of leak checking. It excludes testing or runtime ones.
func pickRelevantGoroutines() (gs []string) {
	// get runtime stack buffer.
	buf := debug.Stack()
	// runtime stack of go routines will be listed with 2 blank spaces between each of them, so split on "\n\n" .
	for _, g := range strings.Split(string(buf), "\n\n") {

	Result bool `json:"result"`
}

func mainHandler(w http.ResponseWriter, r *http.Request) {
	body, err := io.ReadAll(r.Body)
	if err != nil {
		writeErrorResponse(w, err)
		return
	}

	var out bytes.Buffer
	json.Indent(&out, body, "", "  ")
	fmt.Printf("Received JSON payload:\n%s\n", out.String())

	reqMap := make(map[string]interface{})
	err = json.Unmarshal(body, &reqMap)
	if err != nil {
		writeErrorResponse(w, err)

	}

	// Check with width cap
	if bufPool.WidthCap() != capWidth {
		t.Fatalf("bytepool capWidth invalid: got %v want %v", bufPool.WidthCap(), capWidth)
	}

	// Check that retrieved buffer are of the expected width
	b := bufPool.Get()
	if len(b) != width {
		t.Fatalf("bytepool length invalid: got %v want %v", len(b), width)
	}
	if cap(b) != capWidth {