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import WebIDL
def WebIDLTest(parser, harness):
threw = False
try:
parser.parse(
"""
interface OneNullableInUnion {
undefined foo((object? or DOMString?) arg);
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Two nullable member types of a union should have thrown.")
parser.reset()
threw = False
try:
parser.parse(
"""
interface NullableInNullableUnion {
undefined foo((object? or DOMString)? arg);
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
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 {
undefined foo(((object? or DOMString) or NullableInUnionNullableUnionHelper)? arg);
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(
threw,
"A nullable union type with a nullable member type should have " "thrown.",
)