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
|
from test.test_support import verbose, TestFailed
if verbose:
print "Testing whether compiler catches assignment to __debug__"
try:
compile('__debug__ = 1', '?', 'single')
except SyntaxError:
pass
import __builtin__
prev = __builtin__.__debug__
setattr(__builtin__, '__debug__', 'sure')
setattr(__builtin__, '__debug__', prev)
if verbose:
print 'Running tests on argument handling'
try:
exec 'def f(a, a): pass'
raise TestFailed, "duplicate arguments"
except SyntaxError:
pass
if verbose:
print "compiling string with syntax error"
try:
compile("1+*3", "filename", "exec")
except SyntaxError, detail:
if not detail.filename == "filename":
raise TestFailed, "expected 'filename', got %r" % detail.filename
try:
exec 'def f(a = 0, a = 1): pass'
raise TestFailed, "duplicate keyword arguments"
except SyntaxError:
pass
try:
exec 'def f(a): global a; a = 1'
raise TestFailed, "variable is global and local"
except SyntaxError:
pass
if verbose:
print "testing complex args"
def comp_args((a, b)):
print a,b
comp_args((1, 2))
def comp_args((a, b)=(3, 4)):
print a, b
comp_args((1, 2))
comp_args()
def comp_args(a, (b, c)):
print a, b, c
comp_args(1, (2, 3))
def comp_args(a=2, (b, c)=(3, 4)):
print a, b, c
comp_args(1, (2, 3))
comp_args()
try:
exec 'def f(a=1, (b, c)): pass'
raise TestFailed, "non-default args after default"
except SyntaxError:
pass
if verbose:
print "testing bad float literals"
def expect_error(s):
try:
eval(s)
raise TestFailed("%r accepted" % s)
except SyntaxError:
pass
expect_error("2e")
expect_error("2.0e+")
expect_error("1e-")
expect_error("3-4e/21")
if verbose:
print "testing literals with leading zeroes"
def expect_same(test_source, expected):
got = eval(test_source)
if got != expected:
raise TestFailed("eval(%r) gave %r, but expected %r" %
(test_source, got, expected))
expect_error("077787")
expect_error("0xj")
expect_error("0x.")
expect_error("0e")
expect_same("0777", 511)
expect_same("0777L", 511)
expect_same("000777", 511)
expect_same("0xff", 255)
expect_same("0xffL", 255)
expect_same("0XfF", 255)
expect_same("0777.", 777)
expect_same("0777.0", 777)
expect_same("000000000000000000000000000000000000000000000000000777e0", 777)
expect_same("0777e1", 7770)
expect_same("0e0", 0)
expect_same("0000E-012", 0)
expect_same("09.5", 9.5)
expect_same("0777j", 777j)
expect_same("00j", 0j)
expect_same("00.0", 0)
expect_same("0e3", 0)
expect_same("090000000000000.", 90000000000000.)
expect_same("090000000000000.0000000000000000000000", 90000000000000.)
expect_same("090000000000000e0", 90000000000000.)
expect_same("090000000000000e-0", 90000000000000.)
expect_same("090000000000000j", 90000000000000j)
expect_error("090000000000000") # plain octal literal w/ decimal digit
expect_error("080000000000000") # plain octal literal w/ decimal digit
expect_error("000000000000009") # plain octal literal w/ decimal digit
expect_error("000000000000008") # plain octal literal w/ decimal digit
expect_same("000000000000007", 7)
expect_same("000000000000008.", 8.)
expect_same("000000000000009.", 9.)
## # Verify treatment of unary minus on negative numbers SF bug #660455
## import warnings
## warnings.filterwarnings("ignore", "hex/oct constants", FutureWarning)
## # XXX Of course the following test will have to be changed in Python 2.4
## expect_same("0xffffffff", -1)
## expect_same("-0xffffffff", 1)
|