summaryrefslogtreecommitdiffstats
path: root/dom/bindings/parser/tests/test_promise.py
blob: 1dfb6d4643c389e583fa1e712a3f0b9224bbd3bf (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
import WebIDL


def WebIDLTest(parser, harness):
    threw = False
    try:
        parser.parse(
            """
            interface A {
              legacycaller Promise<any> foo();
            };
        """
        )
        parser.finish()

    except WebIDL.WebIDLError:
        threw = True
    harness.ok(threw, "Should not allow Promise return values for legacycaller.")

    parser = parser.reset()
    threw = False
    try:
        parser.parse(
            """
            interface A {
              Promise<any> foo();
              long foo(long arg);
            };
        """
        )
        parser.finish()
    except WebIDL.WebIDLError:
        threw = True
    harness.ok(
        threw,
        "Should not allow overloads which have both Promise and "
        "non-Promise return types.",
    )

    parser = parser.reset()
    threw = False
    try:
        parser.parse(
            """
            interface A {
              long foo(long arg);
              Promise<any> foo();
            };
        """
        )
        parser.finish()
    except WebIDL.WebIDLError:
        threw = True
    harness.ok(
        threw,
        "Should not allow overloads which have both Promise and "
        "non-Promise return types.",
    )

    parser = parser.reset()
    threw = False
    try:
        parser.parse(
            """
            interface A {
              Promise<any>? foo();
            };
        """
        )
        parser.finish()
    except WebIDL.WebIDLError:
        threw = True
    harness.ok(threw, "Should not allow nullable Promise return values.")

    parser = parser.reset()
    threw = False
    try:
        parser.parse(
            """
            interface A {
              undefined foo(Promise<any>? arg);
            };
        """
        )
        parser.finish()
    except WebIDL.WebIDLError:
        threw = True
    harness.ok(threw, "Should not allow nullable Promise arguments.")

    parser = parser.reset()
    parser.parse(
        """
        interface A {
          Promise<any> foo();
          Promise<any> foo(long arg);
        };
    """
    )
    parser.finish()

    harness.ok(
        True, "Should allow overloads which only have Promise and return " "types."
    )

    parser = parser.reset()
    threw = False
    try:
        parser.parse(
            """
            interface A {
              attribute Promise<any> attr;
            };
        """
        )
        parser.finish()
    except WebIDL.WebIDLError:
        threw = True
    harness.ok(threw, "Should not allow writable Promise-typed attributes.")

    parser = parser.reset()
    threw = False
    try:
        parser.parse(
            """
            interface A {
              [LegacyLenientSetter] readonly attribute Promise<any> attr;
            };
        """
        )
        parser.finish()
    except WebIDL.WebIDLError:
        threw = True
    harness.ok(
        threw, "Should not allow [LegacyLenientSetter] Promise-typed attributes."
    )

    parser = parser.reset()
    threw = False
    try:
        parser.parse(
            """
            interface A {
              [PutForwards=bar] readonly attribute Promise<any> attr;
            };
        """
        )
        parser.finish()
    except WebIDL.WebIDLError:
        threw = True
    harness.ok(threw, "Should not allow [PutForwards] Promise-typed attributes.")

    parser = parser.reset()
    threw = False
    try:
        parser.parse(
            """
            interface A {
              [Replaceable] readonly attribute Promise<any> attr;
            };
        """
        )
        parser.finish()
    except WebIDL.WebIDLError:
        threw = True
    harness.ok(threw, "Should not allow [Replaceable] Promise-typed attributes.")

    parser = parser.reset()
    threw = False
    try:
        parser.parse(
            """
            interface A {
              [SameObject] readonly attribute Promise<any> attr;
            };
        """
        )
        parser.finish()
    except WebIDL.WebIDLError:
        threw = True
    harness.ok(threw, "Should not allow [SameObject] Promise-typed attributes.")