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
|
# This sample was generated for the following code mutation detected by mutmut:
#
# --- tests/deadcode.py
# +++ tests/deadcode.py
# @@ -273,6 +273,36 @@
#
# else_is_dead = self.check_stmts(node.orelse, deadcode)
#
# + if else_is_dead or not contains_break(node.body):
# + # for a in l:
# + # something()
# + # else:
# + # return None
# + # deadcode()
# + deadcode = True
# +
# + elif isinstance(node, ast.IfExp):
# +
# + test_value = self.static_value(node.test, deadcode)
# +
# + self.walk_deadcode(
# + node.body, deadcode or (test_value is False)
# + )
# +
# + self.walk_deadcode(
# + node.orelse, deadcode or (test_value is True)
# + )
# +
# + elif isinstance(node, (ast.While)):
# + cnd = self.static_value(node.test, deadcode)
# +
# + self.check_stmts(node.body, deadcode or cnd is False)
# + else_is_dead = self.check_stmts(node.orelse, deadcode or cnd is True)
# +
# + if cnd is True and not contains_break(node):
# + # while True: ... no break
# + deadcode = True
# +
# if else_is_dead and not contains_break(node.body):
# # for a in l:
# # something()
# @@ -281,36 +311,6 @@
# # deadcode()
# deadcode = True
#
# - elif isinstance(node, ast.IfExp):
# -
# - test_value = self.static_value(node.test, deadcode)
# -
# - self.walk_deadcode(
# - node.body, deadcode or (test_value is False)
# - )
# -
# - self.walk_deadcode(
# - node.orelse, deadcode or (test_value is True)
# - )
# -
# - elif isinstance(node, (ast.While)):
# - cnd = self.static_value(node.test, deadcode)
# -
# - self.check_stmts(node.body, deadcode or cnd is False)
# - else_is_dead = self.check_stmts(node.orelse, deadcode or cnd is True)
# -
# - if cnd is True and not contains_break(node):
# - # while True: ... no break
# - deadcode = True
# -
# - if else_is_dead and not contains_break(node.body):
# - # for a in l:
# - # something()
# - # else:
# - # return None
# - # deadcode()
# - deadcode = True
# -
# elif isinstance(node, (ast.Try, ast.TryStar)):
# try_dead = self.check_stmts(node.body, deadcode)
#
#
for loop_node in node:
pass
value
|
