text: # -*- coding: utf-8 -*-
  from numba import int32, int64, uint32, uint64, float32, float64
  from numba.core.types import range_iter32_type
  from numba.core import itanium_mangler
  import unittest
  
  
  class TestItaniumManager(unittest.TestCase):
      def test_ident(self):
          got = itanium_mangler.mangle_identifier("apple")
          expect = "5apple"
          self.assertEqual(expect, got)
  
          got = itanium_mangler.mangle_identifier("ap_ple")
          expect = "6ap_ple"
          self.assertEqual(expect, got)
  
          got = itanium_mangler.mangle_identifier("apple213")
          expect = "8apple213"
          self.assertEqual(expect, got)
  
      def test_types(self):
          got = itanium_mangler.mangle_type(int32)
          expect = "i"
          self.assertEqual(expect, got)
  
          got = itanium_mangler.mangle_type(int64)
          expect = "x"
          self.assertEqual(expect, got)
  
          got = itanium_mangler.mangle_type(uint32)
          expect = "j"
          self.assertEqual(expect, got)
  
          got = itanium_mangler.mangle_type(uint64)
          expect = "y"
          self.assertEqual(expect, got)
  
          got = itanium_mangler.mangle_type(float32)
          expect = "f"
          self.assertEqual(expect, got)
  
          got = itanium_mangler.mangle_type(float64)
          expect = "d"
          self.assertEqual(expect, got)
  
      def test_function(self):
          got = itanium_mangler.mangle("what", [int32, float32])
          expect = "_Z4whatif"
          self.assertEqual(expect, got)
  
          got = itanium_mangler.mangle("a_little_brown_fox", [uint64,
                                                              uint32,
                                                              float64])
          expect = "_Z18a_little_brown_foxyjd"
          self.assertEqual(expect, got)
  
      def test_custom_type(self):
          got = itanium_mangler.mangle_type(range_iter32_type)
          name = str(range_iter32_type)
          expect = "{n}{name}".format(n=len(name), name=name)
          self.assertEqual(expect, got)
  
      def test_mangle_literal(self):
          # check int
          got = itanium_mangler.mangle_value(123)
          expect = "Li123E"
          self.assertEqual(expect, got)
          # check float (not handled using standard)
          got = itanium_mangler.mangle_value(12.3)
          self.assertRegexpMatches(got, r'^\d+_12_[0-9a-z][0-9a-z]3$')
  
      def test_mangle_unicode(self):
          name = u'f∂ƒ©z'
          got = itanium_mangler.mangle_identifier(name)
          self.assertRegexpMatches(got, r'^\d+f(_[a-z0-9][a-z0-9])+z$')
  
  
  if __name__ == '__main__':
      unittest.main()
  