Home | History | Annotate | Download | only in test 
      1 import calendar
      2 import unittest
      3 
      4 from test import test_support
      5 import locale
      6 
      7 
      8 result_2004_text = """
      9                                   2004
     10 
     11       January                   February                   March
     12 Mo Tu We Th Fr Sa Su      Mo Tu We Th Fr Sa Su      Mo Tu We Th Fr Sa Su
     13           1  2  3  4                         1       1  2  3  4  5  6  7
     14  5  6  7  8  9 10 11       2  3  4  5  6  7  8       8  9 10 11 12 13 14
     15 12 13 14 15 16 17 18       9 10 11 12 13 14 15      15 16 17 18 19 20 21
     16 19 20 21 22 23 24 25      16 17 18 19 20 21 22      22 23 24 25 26 27 28
     17 26 27 28 29 30 31         23 24 25 26 27 28 29      29 30 31
     18 
     19        April                      May                       June
     20 Mo Tu We Th Fr Sa Su      Mo Tu We Th Fr Sa Su      Mo Tu We Th Fr Sa Su
     21           1  2  3  4                      1  2          1  2  3  4  5  6
     22  5  6  7  8  9 10 11       3  4  5  6  7  8  9       7  8  9 10 11 12 13
     23 12 13 14 15 16 17 18      10 11 12 13 14 15 16      14 15 16 17 18 19 20
     24 19 20 21 22 23 24 25      17 18 19 20 21 22 23      21 22 23 24 25 26 27
     25 26 27 28 29 30            24 25 26 27 28 29 30      28 29 30
     26                           31
     27 
     28         July                     August                  September
     29 Mo Tu We Th Fr Sa Su      Mo Tu We Th Fr Sa Su      Mo Tu We Th Fr Sa Su
     30           1  2  3  4                         1             1  2  3  4  5
     31  5  6  7  8  9 10 11       2  3  4  5  6  7  8       6  7  8  9 10 11 12
     32 12 13 14 15 16 17 18       9 10 11 12 13 14 15      13 14 15 16 17 18 19
     33 19 20 21 22 23 24 25      16 17 18 19 20 21 22      20 21 22 23 24 25 26
     34 26 27 28 29 30 31         23 24 25 26 27 28 29      27 28 29 30
     35                           30 31
     36 
     37       October                   November                  December
     38 Mo Tu We Th Fr Sa Su      Mo Tu We Th Fr Sa Su      Mo Tu We Th Fr Sa Su
     39              1  2  3       1  2  3  4  5  6  7             1  2  3  4  5
     40  4  5  6  7  8  9 10       8  9 10 11 12 13 14       6  7  8  9 10 11 12
     41 11 12 13 14 15 16 17      15 16 17 18 19 20 21      13 14 15 16 17 18 19
     42 18 19 20 21 22 23 24      22 23 24 25 26 27 28      20 21 22 23 24 25 26
     43 25 26 27 28 29 30 31      29 30                     27 28 29 30 31
     44 """
     45 
     46 result_2004_html = """
     47 <?xml version="1.0" encoding="ascii"?>
     48 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
     49 <html>
     50 <head>
     51 <meta http-equiv="Content-Type" content="text/html; charset=ascii" />
     52 <link rel="stylesheet" type="text/css" href="calendar.css" />
     53 <title>Calendar for 2004</title>
     54 </head>
     55 <body>
     56 <table border="0" cellpadding="0" cellspacing="0" class="year">
     57 <tr><th colspan="3" class="year">2004</th></tr><tr><td><table border="0" cellpadding="0" cellspacing="0" class="month">
     58 <tr><th colspan="7" class="month">January</th></tr>
     59 <tr><th class="mon">Mon</th><th class="tue">Tue</th><th class="wed">Wed</th><th class="thu">Thu</th><th class="fri">Fri</th><th class="sat">Sat</th><th class="sun">Sun</th></tr>
     60 <tr><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td><td class="thu">1</td><td class="fri">2</td><td class="sat">3</td><td class="sun">4</td></tr>
     61 <tr><td class="mon">5</td><td class="tue">6</td><td class="wed">7</td><td class="thu">8</td><td class="fri">9</td><td class="sat">10</td><td class="sun">11</td></tr>
     62 <tr><td class="mon">12</td><td class="tue">13</td><td class="wed">14</td><td class="thu">15</td><td class="fri">16</td><td class="sat">17</td><td class="sun">18</td></tr>
     63 <tr><td class="mon">19</td><td class="tue">20</td><td class="wed">21</td><td class="thu">22</td><td class="fri">23</td><td class="sat">24</td><td class="sun">25</td></tr>
     64 <tr><td class="mon">26</td><td class="tue">27</td><td class="wed">28</td><td class="thu">29</td><td class="fri">30</td><td class="sat">31</td><td class="noday">&nbsp;</td></tr>
     65 </table>
     66 </td><td><table border="0" cellpadding="0" cellspacing="0" class="month">
     67 <tr><th colspan="7" class="month">February</th></tr>
     68 <tr><th class="mon">Mon</th><th class="tue">Tue</th><th class="wed">Wed</th><th class="thu">Thu</th><th class="fri">Fri</th><th class="sat">Sat</th><th class="sun">Sun</th></tr>
     69 <tr><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td><td class="sun">1</td></tr>
     70 <tr><td class="mon">2</td><td class="tue">3</td><td class="wed">4</td><td class="thu">5</td><td class="fri">6</td><td class="sat">7</td><td class="sun">8</td></tr>
     71 <tr><td class="mon">9</td><td class="tue">10</td><td class="wed">11</td><td class="thu">12</td><td class="fri">13</td><td class="sat">14</td><td class="sun">15</td></tr>
     72 <tr><td class="mon">16</td><td class="tue">17</td><td class="wed">18</td><td class="thu">19</td><td class="fri">20</td><td class="sat">21</td><td class="sun">22</td></tr>
     73 <tr><td class="mon">23</td><td class="tue">24</td><td class="wed">25</td><td class="thu">26</td><td class="fri">27</td><td class="sat">28</td><td class="sun">29</td></tr>
     74 </table>
     75 </td><td><table border="0" cellpadding="0" cellspacing="0" class="month">
     76 <tr><th colspan="7" class="month">March</th></tr>
     77 <tr><th class="mon">Mon</th><th class="tue">Tue</th><th class="wed">Wed</th><th class="thu">Thu</th><th class="fri">Fri</th><th class="sat">Sat</th><th class="sun">Sun</th></tr>
     78 <tr><td class="mon">1</td><td class="tue">2</td><td class="wed">3</td><td class="thu">4</td><td class="fri">5</td><td class="sat">6</td><td class="sun">7</td></tr>
     79 <tr><td class="mon">8</td><td class="tue">9</td><td class="wed">10</td><td class="thu">11</td><td class="fri">12</td><td class="sat">13</td><td class="sun">14</td></tr>
     80 <tr><td class="mon">15</td><td class="tue">16</td><td class="wed">17</td><td class="thu">18</td><td class="fri">19</td><td class="sat">20</td><td class="sun">21</td></tr>
     81 <tr><td class="mon">22</td><td class="tue">23</td><td class="wed">24</td><td class="thu">25</td><td class="fri">26</td><td class="sat">27</td><td class="sun">28</td></tr>
     82 <tr><td class="mon">29</td><td class="tue">30</td><td class="wed">31</td><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td></tr>
     83 </table>
     84 </td></tr><tr><td><table border="0" cellpadding="0" cellspacing="0" class="month">
     85 <tr><th colspan="7" class="month">April</th></tr>
     86 <tr><th class="mon">Mon</th><th class="tue">Tue</th><th class="wed">Wed</th><th class="thu">Thu</th><th class="fri">Fri</th><th class="sat">Sat</th><th class="sun">Sun</th></tr>
     87 <tr><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td><td class="thu">1</td><td class="fri">2</td><td class="sat">3</td><td class="sun">4</td></tr>
     88 <tr><td class="mon">5</td><td class="tue">6</td><td class="wed">7</td><td class="thu">8</td><td class="fri">9</td><td class="sat">10</td><td class="sun">11</td></tr>
     89 <tr><td class="mon">12</td><td class="tue">13</td><td class="wed">14</td><td class="thu">15</td><td class="fri">16</td><td class="sat">17</td><td class="sun">18</td></tr>
     90 <tr><td class="mon">19</td><td class="tue">20</td><td class="wed">21</td><td class="thu">22</td><td class="fri">23</td><td class="sat">24</td><td class="sun">25</td></tr>
     91 <tr><td class="mon">26</td><td class="tue">27</td><td class="wed">28</td><td class="thu">29</td><td class="fri">30</td><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td></tr>
     92 </table>
     93 </td><td><table border="0" cellpadding="0" cellspacing="0" class="month">
     94 <tr><th colspan="7" class="month">May</th></tr>
     95 <tr><th class="mon">Mon</th><th class="tue">Tue</th><th class="wed">Wed</th><th class="thu">Thu</th><th class="fri">Fri</th><th class="sat">Sat</th><th class="sun">Sun</th></tr>
     96 <tr><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td><td class="sat">1</td><td class="sun">2</td></tr>
     97 <tr><td class="mon">3</td><td class="tue">4</td><td class="wed">5</td><td class="thu">6</td><td class="fri">7</td><td class="sat">8</td><td class="sun">9</td></tr>
     98 <tr><td class="mon">10</td><td class="tue">11</td><td class="wed">12</td><td class="thu">13</td><td class="fri">14</td><td class="sat">15</td><td class="sun">16</td></tr>
     99 <tr><td class="mon">17</td><td class="tue">18</td><td class="wed">19</td><td class="thu">20</td><td class="fri">21</td><td class="sat">22</td><td class="sun">23</td></tr>
    100 <tr><td class="mon">24</td><td class="tue">25</td><td class="wed">26</td><td class="thu">27</td><td class="fri">28</td><td class="sat">29</td><td class="sun">30</td></tr>
    101 <tr><td class="mon">31</td><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td></tr>
    102 </table>
    103 </td><td><table border="0" cellpadding="0" cellspacing="0" class="month">
    104 <tr><th colspan="7" class="month">June</th></tr>
    105 <tr><th class="mon">Mon</th><th class="tue">Tue</th><th class="wed">Wed</th><th class="thu">Thu</th><th class="fri">Fri</th><th class="sat">Sat</th><th class="sun">Sun</th></tr>
    106 <tr><td class="noday">&nbsp;</td><td class="tue">1</td><td class="wed">2</td><td class="thu">3</td><td class="fri">4</td><td class="sat">5</td><td class="sun">6</td></tr>
    107 <tr><td class="mon">7</td><td class="tue">8</td><td class="wed">9</td><td class="thu">10</td><td class="fri">11</td><td class="sat">12</td><td class="sun">13</td></tr>
    108 <tr><td class="mon">14</td><td class="tue">15</td><td class="wed">16</td><td class="thu">17</td><td class="fri">18</td><td class="sat">19</td><td class="sun">20</td></tr>
    109 <tr><td class="mon">21</td><td class="tue">22</td><td class="wed">23</td><td class="thu">24</td><td class="fri">25</td><td class="sat">26</td><td class="sun">27</td></tr>
    110 <tr><td class="mon">28</td><td class="tue">29</td><td class="wed">30</td><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td></tr>
    111 </table>
    112 </td></tr><tr><td><table border="0" cellpadding="0" cellspacing="0" class="month">
    113 <tr><th colspan="7" class="month">July</th></tr>
    114 <tr><th class="mon">Mon</th><th class="tue">Tue</th><th class="wed">Wed</th><th class="thu">Thu</th><th class="fri">Fri</th><th class="sat">Sat</th><th class="sun">Sun</th></tr>
    115 <tr><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td><td class="thu">1</td><td class="fri">2</td><td class="sat">3</td><td class="sun">4</td></tr>
    116 <tr><td class="mon">5</td><td class="tue">6</td><td class="wed">7</td><td class="thu">8</td><td class="fri">9</td><td class="sat">10</td><td class="sun">11</td></tr>
    117 <tr><td class="mon">12</td><td class="tue">13</td><td class="wed">14</td><td class="thu">15</td><td class="fri">16</td><td class="sat">17</td><td class="sun">18</td></tr>
    118 <tr><td class="mon">19</td><td class="tue">20</td><td class="wed">21</td><td class="thu">22</td><td class="fri">23</td><td class="sat">24</td><td class="sun">25</td></tr>
    119 <tr><td class="mon">26</td><td class="tue">27</td><td class="wed">28</td><td class="thu">29</td><td class="fri">30</td><td class="sat">31</td><td class="noday">&nbsp;</td></tr>
    120 </table>
    121 </td><td><table border="0" cellpadding="0" cellspacing="0" class="month">
    122 <tr><th colspan="7" class="month">August</th></tr>
    123 <tr><th class="mon">Mon</th><th class="tue">Tue</th><th class="wed">Wed</th><th class="thu">Thu</th><th class="fri">Fri</th><th class="sat">Sat</th><th class="sun">Sun</th></tr>
    124 <tr><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td><td class="sun">1</td></tr>
    125 <tr><td class="mon">2</td><td class="tue">3</td><td class="wed">4</td><td class="thu">5</td><td class="fri">6</td><td class="sat">7</td><td class="sun">8</td></tr>
    126 <tr><td class="mon">9</td><td class="tue">10</td><td class="wed">11</td><td class="thu">12</td><td class="fri">13</td><td class="sat">14</td><td class="sun">15</td></tr>
    127 <tr><td class="mon">16</td><td class="tue">17</td><td class="wed">18</td><td class="thu">19</td><td class="fri">20</td><td class="sat">21</td><td class="sun">22</td></tr>
    128 <tr><td class="mon">23</td><td class="tue">24</td><td class="wed">25</td><td class="thu">26</td><td class="fri">27</td><td class="sat">28</td><td class="sun">29</td></tr>
    129 <tr><td class="mon">30</td><td class="tue">31</td><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td></tr>
    130 </table>
    131 </td><td><table border="0" cellpadding="0" cellspacing="0" class="month">
    132 <tr><th colspan="7" class="month">September</th></tr>
    133 <tr><th class="mon">Mon</th><th class="tue">Tue</th><th class="wed">Wed</th><th class="thu">Thu</th><th class="fri">Fri</th><th class="sat">Sat</th><th class="sun">Sun</th></tr>
    134 <tr><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td><td class="wed">1</td><td class="thu">2</td><td class="fri">3</td><td class="sat">4</td><td class="sun">5</td></tr>
    135 <tr><td class="mon">6</td><td class="tue">7</td><td class="wed">8</td><td class="thu">9</td><td class="fri">10</td><td class="sat">11</td><td class="sun">12</td></tr>
    136 <tr><td class="mon">13</td><td class="tue">14</td><td class="wed">15</td><td class="thu">16</td><td class="fri">17</td><td class="sat">18</td><td class="sun">19</td></tr>
    137 <tr><td class="mon">20</td><td class="tue">21</td><td class="wed">22</td><td class="thu">23</td><td class="fri">24</td><td class="sat">25</td><td class="sun">26</td></tr>
    138 <tr><td class="mon">27</td><td class="tue">28</td><td class="wed">29</td><td class="thu">30</td><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td></tr>
    139 </table>
    140 </td></tr><tr><td><table border="0" cellpadding="0" cellspacing="0" class="month">
    141 <tr><th colspan="7" class="month">October</th></tr>
    142 <tr><th class="mon">Mon</th><th class="tue">Tue</th><th class="wed">Wed</th><th class="thu">Thu</th><th class="fri">Fri</th><th class="sat">Sat</th><th class="sun">Sun</th></tr>
    143 <tr><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td><td class="fri">1</td><td class="sat">2</td><td class="sun">3</td></tr>
    144 <tr><td class="mon">4</td><td class="tue">5</td><td class="wed">6</td><td class="thu">7</td><td class="fri">8</td><td class="sat">9</td><td class="sun">10</td></tr>
    145 <tr><td class="mon">11</td><td class="tue">12</td><td class="wed">13</td><td class="thu">14</td><td class="fri">15</td><td class="sat">16</td><td class="sun">17</td></tr>
    146 <tr><td class="mon">18</td><td class="tue">19</td><td class="wed">20</td><td class="thu">21</td><td class="fri">22</td><td class="sat">23</td><td class="sun">24</td></tr>
    147 <tr><td class="mon">25</td><td class="tue">26</td><td class="wed">27</td><td class="thu">28</td><td class="fri">29</td><td class="sat">30</td><td class="sun">31</td></tr>
    148 </table>
    149 </td><td><table border="0" cellpadding="0" cellspacing="0" class="month">
    150 <tr><th colspan="7" class="month">November</th></tr>
    151 <tr><th class="mon">Mon</th><th class="tue">Tue</th><th class="wed">Wed</th><th class="thu">Thu</th><th class="fri">Fri</th><th class="sat">Sat</th><th class="sun">Sun</th></tr>
    152 <tr><td class="mon">1</td><td class="tue">2</td><td class="wed">3</td><td class="thu">4</td><td class="fri">5</td><td class="sat">6</td><td class="sun">7</td></tr>
    153 <tr><td class="mon">8</td><td class="tue">9</td><td class="wed">10</td><td class="thu">11</td><td class="fri">12</td><td class="sat">13</td><td class="sun">14</td></tr>
    154 <tr><td class="mon">15</td><td class="tue">16</td><td class="wed">17</td><td class="thu">18</td><td class="fri">19</td><td class="sat">20</td><td class="sun">21</td></tr>
    155 <tr><td class="mon">22</td><td class="tue">23</td><td class="wed">24</td><td class="thu">25</td><td class="fri">26</td><td class="sat">27</td><td class="sun">28</td></tr>
    156 <tr><td class="mon">29</td><td class="tue">30</td><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td></tr>
    157 </table>
    158 </td><td><table border="0" cellpadding="0" cellspacing="0" class="month">
    159 <tr><th colspan="7" class="month">December</th></tr>
    160 <tr><th class="mon">Mon</th><th class="tue">Tue</th><th class="wed">Wed</th><th class="thu">Thu</th><th class="fri">Fri</th><th class="sat">Sat</th><th class="sun">Sun</th></tr>
    161 <tr><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td><td class="wed">1</td><td class="thu">2</td><td class="fri">3</td><td class="sat">4</td><td class="sun">5</td></tr>
    162 <tr><td class="mon">6</td><td class="tue">7</td><td class="wed">8</td><td class="thu">9</td><td class="fri">10</td><td class="sat">11</td><td class="sun">12</td></tr>
    163 <tr><td class="mon">13</td><td class="tue">14</td><td class="wed">15</td><td class="thu">16</td><td class="fri">17</td><td class="sat">18</td><td class="sun">19</td></tr>
    164 <tr><td class="mon">20</td><td class="tue">21</td><td class="wed">22</td><td class="thu">23</td><td class="fri">24</td><td class="sat">25</td><td class="sun">26</td></tr>
    165 <tr><td class="mon">27</td><td class="tue">28</td><td class="wed">29</td><td class="thu">30</td><td class="fri">31</td><td class="noday">&nbsp;</td><td class="noday">&nbsp;</td></tr>
    166 </table>
    167 </td></tr></table></body>
    168 </html>
    169 """
    170 
    171 
    172 class OutputTestCase(unittest.TestCase):
    173     def normalize_calendar(self, s):
    174         # Filters out locale dependent strings

    175         def neitherspacenordigit(c):
    176             return not c.isspace() and not c.isdigit()
    177 
    178         lines = []
    179         for line in s.splitlines(False):
    180             # Drop texts, as they are locale dependent

    181             if line and not filter(neitherspacenordigit, line):
    182                 lines.append(line)
    183         return lines
    184 
    185     def test_output(self):
    186         self.assertEqual(
    187             self.normalize_calendar(calendar.calendar(2004)),
    188             self.normalize_calendar(result_2004_text)
    189         )
    190 
    191     def test_output_textcalendar(self):
    192         self.assertEqual(
    193             calendar.TextCalendar().formatyear(2004).strip(),
    194             result_2004_text.strip()
    195         )
    196 
    197     def test_output_htmlcalendar(self):
    198         self.assertEqual(
    199             calendar.HTMLCalendar().formatyearpage(2004).strip(),
    200             result_2004_html.strip()
    201         )
    202 
    203 
    204 class CalendarTestCase(unittest.TestCase):
    205     def test_isleap(self):
    206         # Make sure that the return is right for a few years, and

    207         # ensure that the return values are 1 or 0, not just true or

    208         # false (see SF bug #485794).  Specific additional tests may

    209         # be appropriate; this tests a single "cycle".

    210         self.assertEqual(calendar.isleap(2000), 1)
    211         self.assertEqual(calendar.isleap(2001), 0)
    212         self.assertEqual(calendar.isleap(2002), 0)
    213         self.assertEqual(calendar.isleap(2003), 0)
    214 
    215     def test_setfirstweekday(self):
    216         self.assertRaises(ValueError, calendar.setfirstweekday, 'flabber')
    217         self.assertRaises(ValueError, calendar.setfirstweekday, -1)
    218         self.assertRaises(ValueError, calendar.setfirstweekday, 200)
    219         orig = calendar.firstweekday()
    220         calendar.setfirstweekday(calendar.SUNDAY)
    221         self.assertEqual(calendar.firstweekday(), calendar.SUNDAY)
    222         calendar.setfirstweekday(calendar.MONDAY)
    223         self.assertEqual(calendar.firstweekday(), calendar.MONDAY)
    224         calendar.setfirstweekday(orig)
    225 
    226     def test_enumerateweekdays(self):
    227         self.assertRaises(IndexError, calendar.day_abbr.__getitem__, -10)
    228         self.assertRaises(IndexError, calendar.day_name.__getitem__, 10)
    229         self.assertEqual(len([d for d in calendar.day_abbr]), 7)
    230 
    231     def test_days(self):
    232         for attr in "day_name", "day_abbr":
    233             value = getattr(calendar, attr)
    234             self.assertEqual(len(value), 7)
    235             self.assertEqual(len(value[:]), 7)
    236             # ensure they're all unique

    237             self.assertEqual(len(set(value)), 7)
    238             # verify it "acts like a sequence" in two forms of iteration

    239             self.assertEqual(value[::-1], list(reversed(value)))
    240 
    241     def test_months(self):
    242         for attr in "month_name", "month_abbr":
    243             value = getattr(calendar, attr)
    244             self.assertEqual(len(value), 13)
    245             self.assertEqual(len(value[:]), 13)
    246             self.assertEqual(value[0], "")
    247             # ensure they're all unique

    248             self.assertEqual(len(set(value)), 13)
    249             # verify it "acts like a sequence" in two forms of iteration

    250             self.assertEqual(value[::-1], list(reversed(value)))
    251 
    252     def test_localecalendars(self):
    253         # ensure that Locale{Text,HTML}Calendar resets the locale properly

    254         # (it is still not thread-safe though)

    255         old_october = calendar.TextCalendar().formatmonthname(2010, 10, 10)
    256         try:
    257             calendar.LocaleTextCalendar(locale='').formatmonthname(2010, 10, 10)
    258         except locale.Error:
    259             # cannot set the system default locale -- skip rest of test

    260             return
    261         calendar.LocaleHTMLCalendar(locale='').formatmonthname(2010, 10)
    262         new_october = calendar.TextCalendar().formatmonthname(2010, 10, 10)
    263         self.assertEquals(old_october, new_october)
    264 
    265 
    266 class MonthCalendarTestCase(unittest.TestCase):
    267     def setUp(self):
    268         self.oldfirstweekday = calendar.firstweekday()
    269         calendar.setfirstweekday(self.firstweekday)
    270 
    271     def tearDown(self):
    272         calendar.setfirstweekday(self.oldfirstweekday)
    273 
    274     def check_weeks(self, year, month, weeks):
    275         cal = calendar.monthcalendar(year, month)
    276         self.assertEqual(len(cal), len(weeks))
    277         for i in xrange(len(weeks)):
    278             self.assertEqual(weeks[i], sum(day != 0 for day in cal[i]))
    279 
    280 
    281 class MondayTestCase(MonthCalendarTestCase):
    282     firstweekday = calendar.MONDAY
    283 
    284     def test_february(self):
    285         # A 28-day february starting on monday (7+7+7+7 days)

    286         self.check_weeks(1999, 2, (7, 7, 7, 7))
    287 
    288         # A 28-day february starting on tuesday (6+7+7+7+1 days)

    289         self.check_weeks(2005, 2, (6, 7, 7, 7, 1))
    290 
    291         # A 28-day february starting on sunday (1+7+7+7+6 days)

    292         self.check_weeks(1987, 2, (1, 7, 7, 7, 6))
    293 
    294         # A 29-day february starting on monday (7+7+7+7+1 days)

    295         self.check_weeks(1988, 2, (7, 7, 7, 7, 1))
    296 
    297         # A 29-day february starting on tuesday (6+7+7+7+2 days)

    298         self.check_weeks(1972, 2, (6, 7, 7, 7, 2))
    299 
    300         # A 29-day february starting on sunday (1+7+7+7+7 days)

    301         self.check_weeks(2004, 2, (1, 7, 7, 7, 7))
    302 
    303     def test_april(self):
    304         # A 30-day april starting on monday (7+7+7+7+2 days)

    305         self.check_weeks(1935, 4, (7, 7, 7, 7, 2))
    306 
    307         # A 30-day april starting on tuesday (6+7+7+7+3 days)

    308         self.check_weeks(1975, 4, (6, 7, 7, 7, 3))
    309 
    310         # A 30-day april starting on sunday (1+7+7+7+7+1 days)

    311         self.check_weeks(1945, 4, (1, 7, 7, 7, 7, 1))
    312 
    313         # A 30-day april starting on saturday (2+7+7+7+7 days)

    314         self.check_weeks(1995, 4, (2, 7, 7, 7, 7))
    315 
    316         # A 30-day april starting on friday (3+7+7+7+6 days)

    317         self.check_weeks(1994, 4, (3, 7, 7, 7, 6))
    318 
    319     def test_december(self):
    320         # A 31-day december starting on monday (7+7+7+7+3 days)

    321         self.check_weeks(1980, 12, (7, 7, 7, 7, 3))
    322 
    323         # A 31-day december starting on tuesday (6+7+7+7+4 days)

    324         self.check_weeks(1987, 12, (6, 7, 7, 7, 4))
    325 
    326         # A 31-day december starting on sunday (1+7+7+7+7+2 days)

    327         self.check_weeks(1968, 12, (1, 7, 7, 7, 7, 2))
    328 
    329         # A 31-day december starting on thursday (4+7+7+7+6 days)

    330         self.check_weeks(1988, 12, (4, 7, 7, 7, 6))
    331 
    332         # A 31-day december starting on friday (3+7+7+7+7 days)

    333         self.check_weeks(2017, 12, (3, 7, 7, 7, 7))
    334 
    335         # A 31-day december starting on saturday (2+7+7+7+7+1 days)

    336         self.check_weeks(2068, 12, (2, 7, 7, 7, 7, 1))
    337 
    338 
    339 class SundayTestCase(MonthCalendarTestCase):
    340     firstweekday = calendar.SUNDAY
    341 
    342     def test_february(self):
    343         # A 28-day february starting on sunday (7+7+7+7 days)

    344         self.check_weeks(2009, 2, (7, 7, 7, 7))
    345 
    346         # A 28-day february starting on monday (6+7+7+7+1 days)

    347         self.check_weeks(1999, 2, (6, 7, 7, 7, 1))
    348 
    349         # A 28-day february starting on saturday (1+7+7+7+6 days)

    350         self.check_weeks(1997, 2, (1, 7, 7, 7, 6))
    351 
    352         # A 29-day february starting on sunday (7+7+7+7+1 days)

    353         self.check_weeks(2004, 2, (7, 7, 7, 7, 1))
    354 
    355         # A 29-day february starting on monday (6+7+7+7+2 days)

    356         self.check_weeks(1960, 2, (6, 7, 7, 7, 2))
    357 
    358         # A 29-day february starting on saturday (1+7+7+7+7 days)

    359         self.check_weeks(1964, 2, (1, 7, 7, 7, 7))
    360 
    361     def test_april(self):
    362         # A 30-day april starting on sunday (7+7+7+7+2 days)

    363         self.check_weeks(1923, 4, (7, 7, 7, 7, 2))
    364 
    365         # A 30-day april starting on monday (6+7+7+7+3 days)

    366         self.check_weeks(1918, 4, (6, 7, 7, 7, 3))
    367 
    368         # A 30-day april starting on saturday (1+7+7+7+7+1 days)

    369         self.check_weeks(1950, 4, (1, 7, 7, 7, 7, 1))
    370 
    371         # A 30-day april starting on friday (2+7+7+7+7 days)

    372         self.check_weeks(1960, 4, (2, 7, 7, 7, 7))
    373 
    374         # A 30-day april starting on thursday (3+7+7+7+6 days)

    375         self.check_weeks(1909, 4, (3, 7, 7, 7, 6))
    376 
    377     def test_december(self):
    378         # A 31-day december starting on sunday (7+7+7+7+3 days)

    379         self.check_weeks(2080, 12, (7, 7, 7, 7, 3))
    380 
    381         # A 31-day december starting on monday (6+7+7+7+4 days)

    382         self.check_weeks(1941, 12, (6, 7, 7, 7, 4))
    383 
    384         # A 31-day december starting on saturday (1+7+7+7+7+2 days)

    385         self.check_weeks(1923, 12, (1, 7, 7, 7, 7, 2))
    386 
    387         # A 31-day december starting on wednesday (4+7+7+7+6 days)

    388         self.check_weeks(1948, 12, (4, 7, 7, 7, 6))
    389 
    390         # A 31-day december starting on thursday (3+7+7+7+7 days)

    391         self.check_weeks(1927, 12, (3, 7, 7, 7, 7))
    392 
    393         # A 31-day december starting on friday (2+7+7+7+7+1 days)

    394         self.check_weeks(1995, 12, (2, 7, 7, 7, 7, 1))
    395 
    396 
    397 class MonthRangeTestCase(unittest.TestCase):
    398     def test_january(self):
    399         # Tests valid lower boundary case.

    400         self.assertEqual(calendar.monthrange(2004,1), (3,31))
    401 
    402     def test_february_leap(self):
    403         # Tests February during leap year.

    404         self.assertEqual(calendar.monthrange(2004,2), (6,29))
    405 
    406     def test_february_nonleap(self):
    407         # Tests February in non-leap year.

    408         self.assertEqual(calendar.monthrange(2010,2), (0,28))
    409 
    410     def test_december(self):
    411         # Tests valid upper boundary case.

    412         self.assertEqual(calendar.monthrange(2004,12), (2,31))
    413 
    414     def test_zeroth_month(self):
    415         # Tests low invalid boundary case.

    416         with self.assertRaises(calendar.IllegalMonthError):
    417             calendar.monthrange(2004, 0)
    418 
    419     def test_thirteenth_month(self):
    420         # Tests high invalid boundary case.

    421         with self.assertRaises(calendar.IllegalMonthError):
    422             calendar.monthrange(2004, 13)
    423 
    424 class LeapdaysTestCase(unittest.TestCase):
    425     def test_no_range(self):
    426         # test when no range i.e. two identical years as args

    427         self.assertEqual(calendar.leapdays(2010,2010), 0)
    428 
    429     def test_no_leapdays(self):
    430         # test when no leap years in range

    431         self.assertEqual(calendar.leapdays(2010,2011), 0)
    432 
    433     def test_no_leapdays_upper_boundary(self):
    434         # test no leap years in range, when upper boundary is a leap year

    435         self.assertEqual(calendar.leapdays(2010,2012), 0)
    436 
    437     def test_one_leapday_lower_boundary(self):
    438         # test when one leap year in range, lower boundary is leap year

    439         self.assertEqual(calendar.leapdays(2012,2013), 1)
    440 
    441     def test_several_leapyears_in_range(self):
    442         self.assertEqual(calendar.leapdays(1997,2020), 5)
    443 
    444 
    445 def test_main():
    446     test_support.run_unittest(
    447         OutputTestCase,
    448         CalendarTestCase,
    449         MondayTestCase,
    450         SundayTestCase,
    451         MonthRangeTestCase,
    452         LeapdaysTestCase,
    453     )
    454 
    455 
    456 if __name__ == "__main__":
    457     test_main()
    458