gecko/dom/bindings/parser/tests/test_optional_constraints.py

31 lines
963 B
Python

def WebIDLTest(parser, harness):
threw = False
try:
parser.parse("""
interface OptionalConstraints1 {
void foo(optional byte arg1, byte arg2);
};
""")
results = parser.finish()
except:
threw = True
harness.ok(threw,
"Should have thrown on non-optional argument following optional "
"argument.")
parser = parser.reset()
parser.parse("""
interface OptionalConstraints2 {
void foo(optional byte arg1 = 1, optional byte arg2 = 2,
optional byte arg3, optional byte arg4 = 4,
optional byte arg5, optional byte arg6 = 9);
};
""")
results = parser.finish()
args = results[0].members[0].signatures()[0][1]
harness.check(len(args), 6, "Should have 6 arguments")
harness.check(args[5].defaultValue.value, 9,
"Should have correct default value")