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import WebIDL
def WebIDLTest(parser, harness):
threw = False
try:
parser.parse(
"""
interface X {
const sequence<long> foo = [];
};
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Constant cannot have [] as a default value")
parser = parser.reset()
parser.parse(
"""
interface X {
undefined foo(optional sequence<long> arg = []);
};
"""
)
results = parser.finish()
harness.ok(
isinstance(
results[0].members[0].signatures()[0][1][0].defaultValue,
WebIDL.IDLEmptySequenceValue,
),
"Should have IDLEmptySequenceValue as default value of argument",
)
parser = parser.reset()
parser.parse(
"""
dictionary X {
sequence<long> foo = [];
};
"""
)
results = parser.finish()
harness.ok(
isinstance(results[0].members[0].defaultValue, WebIDL.IDLEmptySequenceValue),
"Should have IDLEmptySequenceValue as default value of " "dictionary member",
)