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import WebIDL
def WebIDLTest(parser, harness):
parser.parse(
"""
interface Child : Parent {
};
interface Parent {
[LegacyUnforgeable] readonly attribute long foo;
};
"""
)
results = parser.finish()
harness.check(
len(results),
2,
"Should be able to inherit from an interface with "
"[LegacyUnforgeable] properties.",
)
parser = parser.reset()
parser.parse(
"""
interface Child : Parent {
const short foo = 10;
};
interface Parent {
[LegacyUnforgeable] readonly attribute long foo;
};
"""
)
results = parser.finish()
harness.check(
len(results),
2,
"Should be able to inherit from an interface with "
"[LegacyUnforgeable] properties even if we have a constant with "
"the same name.",
)
parser = parser.reset()
parser.parse(
"""
interface Child : Parent {
static attribute short foo;
};
interface Parent {
[LegacyUnforgeable] readonly attribute long foo;
};
"""
)
results = parser.finish()
harness.check(
len(results),
2,
"Should be able to inherit from an interface with "
"[LegacyUnforgeable] properties even if we have a static attribute "
"with the same name.",
)
parser = parser.reset()
parser.parse(
"""
interface Child : Parent {
static undefined foo();
};
interface Parent {
[LegacyUnforgeable] readonly attribute long foo;
};
"""
)
results = parser.finish()
harness.check(
len(results),
2,
"Should be able to inherit from an interface with "
"[LegacyUnforgeable] properties even if we have a static operation "
"with the same name.",
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface Child : Parent {
undefined foo();
};
interface Parent {
[LegacyUnforgeable] readonly attribute long foo;
};
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(
threw,
"Should have thrown when shadowing unforgeable attribute on "
"parent with operation.",
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface Child : Parent {
undefined foo();
};
interface Parent {
[LegacyUnforgeable] undefined foo();
};
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(
threw,
"Should have thrown when shadowing unforgeable operation on "
"parent with operation.",
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface Child : Parent {
attribute short foo;
};
interface Parent {
[LegacyUnforgeable] readonly attribute long foo;
};
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(
threw,
"Should have thrown when shadowing unforgeable attribute on "
"parent with attribute.",
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface Child : Parent {
attribute short foo;
};
interface Parent {
[LegacyUnforgeable] undefined foo();
};
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(
threw,
"Should have thrown when shadowing unforgeable operation on "
"parent with attribute.",
)
parser = parser.reset()
parser.parse(
"""
interface Child : Parent {
};
interface Parent {};
interface mixin Mixin {
[LegacyUnforgeable] readonly attribute long foo;
};
Parent includes Mixin;
"""
)
results = parser.finish()
harness.check(
len(results),
4,
"Should be able to inherit from an interface with a "
"mixin with [LegacyUnforgeable] properties.",
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface Child : Parent {
undefined foo();
};
interface Parent {};
interface mixin Mixin {
[LegacyUnforgeable] readonly attribute long foo;
};
Parent includes Mixin;
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(
threw,
"Should have thrown when shadowing unforgeable attribute "
"of parent's consequential interface.",
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface Child : Parent {
};
interface Parent : GrandParent {};
interface GrandParent {};
interface mixin Mixin {
[LegacyUnforgeable] readonly attribute long foo;
};
GrandParent includes Mixin;
interface mixin ChildMixin {
undefined foo();
};
Child includes ChildMixin;
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(
threw,
"Should have thrown when our consequential interface shadows unforgeable attribute "
"of ancestor's consequential interface.",
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface Child : Parent {
};
interface Parent : GrandParent {};
interface GrandParent {};
interface mixin Mixin {
[LegacyUnforgeable] undefined foo();
};
GrandParent includes Mixin;
interface mixin ChildMixin {
undefined foo();
};
Child includes ChildMixin;
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(
threw,
"Should have thrown when our consequential interface shadows unforgeable operation "
"of ancestor's consequential interface.",
)
parser = parser.reset()
parser.parse(
"""
interface iface {
[LegacyUnforgeable] attribute long foo;
};
"""
)
results = parser.finish()
harness.check(
len(results), 1, "Should allow writable [LegacyUnforgeable] attribute."
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface iface {
[LegacyUnforgeable] static readonly attribute long foo;
};
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Should have thrown for static [LegacyUnforgeable] attribute.")