code: def test_empty_c_code_with_comment():
      code_gen = C89CodeGen()
      source = get_string(code_gen.dump_c, [], header=True)
      assert source[:82] == (
          "/******************************************************************************\n *"
      )
      #   "                    Code generated with SymPy 0.7.2-git                    "
      assert source[158:] == (
          "*\n"
          " *                                                                            *\n"
          " *              See http://www.sympy.org/ for more information.               *\n"
          " *                                                                            *\n"
          " *                       This file is part of 'project'                       *\n"
          " ******************************************************************************/\n"
          '#include "file.h"\n'
          "#include <math.h>\n"
      )
  
imports: from io import StringIO
  from sympy.core import symbols, Eq, pi, Catalan, Lambda, Dummy
  from sympy.core.relational import Equality
  from sympy.core.symbol import Symbol
  from sympy.functions.special.error_functions import erf
  from sympy.integrals.integrals import Integral
  from sympy.matrices import Matrix, MatrixSymbol
  from sympy.utilities.codegen import codegen, make_routine, CCodeGen, C89CodeGen, C99CodeGen, InputArgument, CodeGenError, FCodeGen, CodeGenArgumentListError, OutputArgument, InOutArgument
  from sympy.testing.pytest import raises
  from sympy.utilities.lambdify import implemented_function
label_desc: Use image node_id 4 for calling a global function with example usage: test_empty_c_code_with_comment() without return types