code: def test_compile1(self):
      # Compile source and link the first source
      c = customized_ccompiler()
      previousDir = os.getcwd()
      try:
          # Change directory to not screw up directories
          os.chdir(self._dir1)
          c.compile(
              [os.path.basename(self._src1)], output_dir=self._dir1
          )
          # Ensure that the object exists
          assert_(
              os.path.isfile(self._src1.replace(".c", ".o"))
              or os.path.isfile(self._src1.replace(".c", ".obj"))
          )
      finally:
          os.chdir(previousDir)
  
imports: import os
  import shutil
  import pytest
  from tempfile import mkstemp, mkdtemp
  from subprocess import Popen, PIPE
  import importlib.metadata
  from distutils.errors import DistutilsError
  from numpy.testing import assert_, assert_equal, assert_raises
  from numpy.distutils import ccompiler, customized_ccompiler
  from numpy.distutils.system_info import system_info, ConfigParser, mkl_info
  from numpy.distutils.system_info import AliasedOptionError
  from numpy.distutils.system_info import default_lib_dirs, default_include_dirs
  from numpy.distutils import _shell_utils
label_desc: Use image node_id 7 for calling the TestSystemInfoReading obj's underlying member method code with example usage: obj.test_compile1() without return types