def test18(self):
     self.assertEqual(myAtoi(' '), 0)
 def test19(self):
     self.assertEqual(myAtoi('  -0012a42'), -12)
 def test15(self):
     self.assertEqual(myAtoi('00000-42a1234'), 0)
 def test16(self):
     self.assertEqual(myAtoi('-+42'), 0)
 def test13(self):
     self.assertEqual(myAtoi('.14159'), 0)
 def test14(self):
     self.assertEqual(myAtoi('045'), 45)
 def test11(self):
     self.assertEqual(myAtoi('91283472332'), 2147483647)
 def test5(self):
     self.assertEqual(myAtoi('-42 '), -42)
 def test9(self):
     self.assertEqual(myAtoi('42 sdfa'), 42)
 def test10(self):
     self.assertEqual(myAtoi('-91283472332'), -2147483648)
 def test8(self):
     self.assertEqual(myAtoi('qwe 42'), 0)
 def test7(self):
     self.assertEqual(myAtoi('42q'), 42)
 def test6(self):
     self.assertEqual(myAtoi('q42'), 0)
 def test20(self):
     self.assertEqual(myAtoi('-2147483647'), -2147483647)
 def test12(self):
     self.assertEqual(myAtoi('3.14159'), 3)
 def test1(self):
     self.assertEqual(myAtoi('42'), 42)
 def test0(self):
     self.assertEqual(myAtoi('+42'), 42)