summaryrefslogtreecommitdiffstats
path: root/Lib/test/test_exception_variations.py
blob: 297a6c9ed5c4bad6ee10ca73a937a9891a06614e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180

from test.test_support import run_unittest
import unittest

class ExceptionTestCase(unittest.TestCase):
    def test_try_except_else_finally(self):
        hit_except = False
        hit_else = False
        hit_finally = False

        try:
            raise Exception, 'nyaa!'
        except:
            hit_except = True
        else:
            hit_else = True
        finally:
            hit_finally = True

        self.assertTrue(hit_except)
        self.assertTrue(hit_finally)
        self.assertFalse(hit_else)

    def test_try_except_else_finally_no_exception(self):
        hit_except = False
        hit_else = False
        hit_finally = False

        try:
            pass
        except:
            hit_except = True
        else:
            hit_else = True
        finally:
            hit_finally = True

        self.assertFalse(hit_except)
        self.assertTrue(hit_finally)
        self.assertTrue(hit_else)

    def test_try_except_finally(self):
        hit_except = False
        hit_finally = False

        try:
            raise Exception, 'yarr!'
        except:
            hit_except = True
        finally:
            hit_finally = True
            
        self.assertTrue(hit_except)
        self.assertTrue(hit_finally)

    def test_try_except_finally_no_exception(self):
        hit_except = False
        hit_finally = False

        try:
            pass
        except:
            hit_except = True
        finally:
            hit_finally = True

        self.assertFalse(hit_except)
        self.assertTrue(hit_finally)
        
    def test_try_except(self):
        hit_except = False

        try:
            raise Exception, 'ahoy!'
        except:
            hit_except = True

        self.assertTrue(hit_except)

    def test_try_except_no_exception(self):
        hit_except = False

        try:
            pass
        except:
            hit_except = True

        self.assertFalse(hit_except)

    def test_try_except_else(self):
        hit_except = False
        hit_else = False

        try:
            raise Exception, 'foo!'
        except:
            hit_except = True
        else:
            hit_else = True

        self.assertFalse(hit_else)
        self.assertTrue(hit_except)

    def test_try_except_else_no_exception(self):
        hit_except = False
        hit_else = False

        try:
            pass
        except:
            hit_except = True
        else:
            hit_else = True

        self.assertFalse(hit_except)
        self.assertTrue(hit_else)

    def test_try_finally_no_exception(self):
        hit_finally = False

        try:
            pass
        finally:
            hit_finally = True

        self.assertTrue(hit_finally)

    def test_nested(self):
        hit_finally = False
        hit_inner_except = False
        hit_inner_finally = False

        try:
            try:
                raise Exception, 'inner exception'
            except:
                hit_inner_except = True
            finally:
                hit_inner_finally = True
        finally:
            hit_finally = True
            
        self.assertTrue(hit_inner_except)
        self.assertTrue(hit_inner_finally)
        self.assertTrue(hit_finally)

    def test_nested_else(self):
        hit_else = False
        hit_finally = False
        hit_except = False
        hit_inner_except = False
        hit_inner_else = False

        try:
            try:
                pass
            except:
                hit_inner_except = True
            else:
                hit_inner_else = True

            raise Exception, 'outer exception'
        except:
            hit_except = True
        else:
            hit_else = True
        finally:
            hit_finally = True

        self.assertFalse(hit_inner_except)
        self.assertTrue(hit_inner_else)
        self.assertFalse(hit_else)
        self.assertTrue(hit_finally)
        self.assertTrue(hit_except)

def test_main():
    run_unittest(ExceptionTestCase)

if __name__ == '__main__':
    test_main()