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import WebIDL
def WebIDLTest(parser, harness):
threw = False
try:
parser.parse(
"""
interface A {
legacycaller Promise<any> foo();
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
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);
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
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();
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
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 {
Promise<any>? foo();
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Should not allow nullable Promise return values.")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface A {
undefined foo(Promise<any>? arg);
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Should not allow nullable Promise arguments.")
parser = parser.reset()
parser.parse(
"""
interface A {
Promise<any> foo();
Promise<any> foo(long arg);
};
"""
)
parser.finish()
harness.ok(
True, "Should allow overloads which only have Promise and return " "types."
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface A {
attribute Promise<any> attr;
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Should not allow writable Promise-typed attributes.")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface A {
[LegacyLenientSetter] readonly attribute Promise<any> attr;
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(
threw, "Should not allow [LegacyLenientSetter] Promise-typed attributes."
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface A {
[PutForwards=bar] readonly attribute Promise<any> attr;
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Should not allow [PutForwards] Promise-typed attributes.")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface A {
[Replaceable] readonly attribute Promise<any> attr;
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Should not allow [Replaceable] Promise-typed attributes.")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface A {
[SameObject] readonly attribute Promise<any> attr;
};
"""
)
parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Should not allow [SameObject] Promise-typed attributes.")