code: def test_style_to_csv(geom_df):
      pytest.importorskip("lxml")
      xsl = """\
  <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
      <xsl:output method="text" indent="yes" />
      <xsl:strip-space elements="*"/>
  
      <xsl:param name="delim">,</xsl:param>
      <xsl:template match="/data">
          <xsl:text>,shape,degrees,sides&#xa;</xsl:text>
          <xsl:apply-templates select="row"/>
      </xsl:template>
  
      <xsl:template match="row">
          <xsl:value-of select="concat(index, $delim, shape, $delim,
                                       degrees, $delim, sides)"/>
           <xsl:text>&#xa;</xsl:text>
      </xsl:template>
  </xsl:stylesheet>"""
  
      out_csv = geom_df.to_csv(lineterminator="\n")
  
      if out_csv is not None:
          out_csv = out_csv.strip()
      out_xml = geom_df.to_xml(stylesheet=xsl)
  
      assert out_csv == out_xml
  
imports: from __future__ import annotations
  from io import BytesIO, StringIO
  import os
  import numpy
  import pytest
  import pandas.util._test_decorators
  from pandas import NA, DataFrame, Index
  import pandas._testing
  from pandas.io.common import get_handle
  from pandas.io.xml import read_xml
label_desc: Use image node_id 52 for calling a global function with example usage: test_style_to_csv(geom_df) without return types