Mypal/dom/bindings/parser/tests/test_promise.py

60 lines
1.5 KiB
Python

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