Method test_roundtrip_quoteed_newlines

Lib/test/test_csv.py:516–532

(self)

        self.assertEqual(r.line_num, 3)

    def test_roundtrip_quoteed_newlines(self):
        rows = [
            ['\na', 'b\nc', 'd\n'],
            ['\re', 'f\rg', 'h\r'],
            ['\r\ni', 'j\r\nk', 'l\r\n'],
            ['\n\rm', 'n\n\ro', 'p\n\r'],
            ['\r\rq', 'r\r\rs', 't\r\r'],
            ['\n\nu', 'v\n\nw', 'x\n\n'],
        ]
        for lineterminator in '\r\n', '\n', '\r':
            with self.subTest(lineterminator=lineterminator):
                with TemporaryFile("w+", encoding="utf-8", newline='') as fileobj:
                    writer = csv.writer(fileobj, lineterminator=lineterminator)
                    writer.writerows(rows)
                    fileobj.seek(0)
                    for i, row in enumerate(csv.reader(fileobj)):
                        self.assertEqual(row, rows[i])

    def test_roundtrip_escaped_unquoted_newlines(self):
        rows = [