Method test_read_quoting

Lib/test/test_csv.py:427–461

(self)

        self._read_test(['a,\\b,c'], [['a', '\\b', 'c']])

    def test_read_quoting(self):
        self._read_test(['1,",3,",5'], [['1', ',3,', '5']])
        self._read_test(['1,",3,",5'], [['1', '"', '3', '"', '5']],
                        quotechar=None, escapechar='\\')
        self._read_test(['1,",3,",5'], [['1', '"', '3', '"', '5']],
                        quoting=csv.QUOTE_NONE, escapechar='\\')
        # will this fail where locale uses comma for decimals?
        self._read_test([',3,"5",7.3, 9'], [['', 3, '5', 7.3, 9]],
                        quoting=csv.QUOTE_NONNUMERIC)
        self._read_test([',3,"5",7.3, 9'], [[None, '3', '5', '7.3', ' 9']],
                        quoting=csv.QUOTE_NOTNULL)
        self._read_test([',3,"5",7.3, 9'], [[None, 3, '5', 7.3, 9]],
                        quoting=csv.QUOTE_STRINGS)

        self._read_test([',,"",'], [['', '', '', '']])
        self._read_test([',,"",'], [['', '', '', '']],
                        quoting=csv.QUOTE_NONNUMERIC)
        self._read_test([',,"",'], [[None, None, '', None]],
                        quoting=csv.QUOTE_NOTNULL)
        self._read_test([',,"",'], [[None, None, '', None]],
                        quoting=csv.QUOTE_STRINGS)

        self._read_test(['"a\nb", 7'], [['a\nb', ' 7']])
        self.assertRaises(ValueError, self._read_test,
                          ['abc,3'], [[]],
                          quoting=csv.QUOTE_NONNUMERIC)
        self.assertRaises(ValueError, self._read_test,
                          ['abc,3'], [[]],
                          quoting=csv.QUOTE_STRINGS)
        self._read_test(['1,@,3,@,5'], [['1', ',3,', '5']], quotechar='@')
        self._read_test(['1,\0,3,\0,5'], [['1', ',3,', '5']], quotechar='\0')
        self._read_test(['1\\.5,\\.5,.5'], [[1.5, 0.5, 0.5]],
                        quoting=csv.QUOTE_NONNUMERIC, escapechar='\\')
        self._read_test(['1\\.5,\\.5,"\\.5"'], [[1.5, 0.5, ".5"]],
                        quoting=csv.QUOTE_STRINGS, escapechar='\\')

    def test_read_skipinitialspace(self):
        self._read_test(['no space, space,  spaces,\ttab'],