###############################################################################
#
# Tests for XlsxWriter.
#
# SPDX-License-Identifier: BSD-2-Clause
#
# Copyright (c), 2013-2025, John McNamara, jmcnamara@cpan.org
#

import unittest

from xlsxwriter.utility import xl_cell_to_rowcol


class TestUtility(unittest.TestCase):
    """
    Test xl_cell_to_rowcol() utility function.

    """

    def test_xl_cell_to_rowcol(self):
        """Test xl_cell_to_rowcol()"""

        tests = [
            # row, col, A1 string
            (0, 0, "A1"),
            (0, 1, "B1"),
            (0, 2, "C1"),
            (0, 9, "J1"),
            (1, 0, "A2"),
            (2, 0, "A3"),
            (9, 0, "A10"),
            (1, 24, "Y2"),
            (7, 25, "Z8"),
            (9, 26, "AA10"),
            (1, 254, "IU2"),
            (1, 255, "IV2"),
            (1, 256, "IW2"),
            (0, 16383, "XFD1"),
            (1048576, 16384, "XFE1048577"),
        ]

        for row, col, string in tests:
            exp = (row, col)
            got = xl_cell_to_rowcol(string)
            self.assertEqual(exp, got)

    def test_xl_cell_to_rowcol_abs(self):
        """Test xl_cell_to_rowcol() with absolute references"""

        tests = [
            # row, col, row_abs, col_abs, A1 string
            (0, 0, 0, 0, "A1"),
            (0, 0, 1, 0, "A$1"),
            (0, 0, 0, 1, "$A1"),
            (0, 0, 1, 1, "$A$1"),
        ]

        for row, col, row_abs, col_abs, string in tests:
            exp = (row, col)
            got = xl_cell_to_rowcol(string)
            self.assertEqual(exp, got)
