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
|
import WebIDL
def WebIDLTest(parser, harness):
parser.parse(
"""
typedef float myFloat;
typedef unrestricted float myUnrestrictedFloat;
interface FloatTypes {
attribute float f;
attribute unrestricted float uf;
attribute double d;
attribute unrestricted double ud;
[LenientFloat]
attribute float lf;
[LenientFloat]
attribute double ld;
undefined m1(float arg1, double arg2, float? arg3, double? arg4,
myFloat arg5, unrestricted float arg6,
unrestricted double arg7, unrestricted float? arg8,
unrestricted double? arg9, myUnrestrictedFloat arg10);
[LenientFloat]
undefined m2(float arg1, double arg2, float? arg3, double? arg4,
myFloat arg5, unrestricted float arg6,
unrestricted double arg7, unrestricted float? arg8,
unrestricted double? arg9, myUnrestrictedFloat arg10);
[LenientFloat]
undefined m3(float arg);
[LenientFloat]
undefined m4(double arg);
[LenientFloat]
undefined m5((float or FloatTypes) arg);
[LenientFloat]
undefined m6(sequence<float> arg);
};
"""
)
results = parser.finish()
harness.check(len(results), 3, "Should be two typedefs and one interface.")
iface = results[2]
harness.ok(isinstance(iface, WebIDL.IDLInterface), "Should be an IDLInterface")
types = [a.type for a in iface.members if a.isAttr()]
harness.ok(types[0].isFloat(), "'float' is a float")
harness.ok(not types[0].isUnrestricted(), "'float' is not unrestricted")
harness.ok(types[1].isFloat(), "'unrestricted float' is a float")
harness.ok(types[1].isUnrestricted(), "'unrestricted float' is unrestricted")
harness.ok(types[2].isFloat(), "'double' is a float")
harness.ok(not types[2].isUnrestricted(), "'double' is not unrestricted")
harness.ok(types[3].isFloat(), "'unrestricted double' is a float")
harness.ok(types[3].isUnrestricted(), "'unrestricted double' is unrestricted")
method = iface.members[6]
harness.ok(isinstance(method, WebIDL.IDLMethod), "Should be an IDLMethod")
argtypes = [a.type for a in method.signatures()[0][1]]
for (idx, type) in enumerate(argtypes):
harness.ok(type.isFloat(), "Type %d should be float" % idx)
harness.check(
type.isUnrestricted(),
idx >= 5,
"Type %d should %sbe unrestricted" % (idx, "" if idx >= 4 else "not "),
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface FloatTypes {
[LenientFloat]
long m(float arg);
};
"""
)
except Exception:
threw = True
harness.ok(threw, "[LenientFloat] only allowed on methods returning undefined")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface FloatTypes {
[LenientFloat]
undefined m(unrestricted float arg);
};
"""
)
except Exception:
threw = True
harness.ok(
threw, "[LenientFloat] only allowed on methods with unrestricted float args"
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface FloatTypes {
[LenientFloat]
undefined m(sequence<unrestricted float> arg);
};
"""
)
except Exception:
threw = True
harness.ok(
threw, "[LenientFloat] only allowed on methods with unrestricted float args (2)"
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface FloatTypes {
[LenientFloat]
undefined m((unrestricted float or FloatTypes) arg);
};
"""
)
except Exception:
threw = True
harness.ok(
threw, "[LenientFloat] only allowed on methods with unrestricted float args (3)"
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface FloatTypes {
[LenientFloat]
readonly attribute float foo;
};
"""
)
except Exception:
threw = True
harness.ok(threw, "[LenientFloat] only allowed on writable attributes")
|
