summaryrefslogtreecommitdiffstats
path: root/dom/bindings/parser/tests/test_union_nullable.py
blob: 08430a94a2ef4acff8ed465e502b97ee88ff763b (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
def WebIDLTest(parser, harness):
    threw = False
    try:
        parser.parse("""
            interface OneNullableInUnion {
              void foo((object? or DOMString?) arg);
            };
        """)

        results = parser.finish()
    except:
        threw = True

    harness.ok(threw,
               "Two nullable member types of a union should have thrown.")

    parser.reset()
    threw = False

    try:
        parser.parse("""
            interface NullableInNullableUnion {
              void foo((object? or DOMString)? arg);
            };
        """)

        results = parser.finish()
    except:
        threw = True

    harness.ok(threw,
               "A nullable union type with a nullable member type should have "
               "thrown.")

    parser.reset()
    threw = False

    try:
        parser.parse("""
            interface NullableInUnionNullableUnionHelper {
            };
            interface NullableInUnionNullableUnion {
              void foo(((object? or DOMString) or NullableInUnionNullableUnionHelper)? arg);
            };
        """)

        results = parser.finish()
    except:
        threw = True

    harness.ok(threw,
               "A nullable union type with a nullable member type should have "
               "thrown.")