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import WebIDL
def WebIDLTest(parser, harness):
parser.parse(
"""
interface TestMethods {
void basic();
static void basicStatic();
void basicWithSimpleArgs(boolean arg1, byte arg2, unsigned long arg3);
boolean basicBoolean();
static boolean basicStaticBoolean();
boolean basicBooleanWithSimpleArgs(boolean arg1, byte arg2, unsigned long arg3);
void optionalArg(optional byte? arg1, optional sequence<byte> arg2);
void variadicArg(byte?... arg1);
object getObject();
void setObject(object arg1);
void setAny(any arg1);
float doFloats(float arg1);
};
"""
)
results = parser.finish()
harness.ok(True, "TestMethods interface parsed without error.")
harness.check(len(results), 1, "Should be one production.")
iface = results[0]
harness.ok(isinstance(iface, WebIDL.IDLInterface), "Should be an IDLInterface")
harness.check(
iface.identifier.QName(), "::TestMethods", "Interface has the right QName"
)
harness.check(iface.identifier.name, "TestMethods", "Interface has the right name")
harness.check(len(iface.members), 12, "Expect 12 members")
methods = iface.members
def checkArgument(argument, QName, name, type, optional, variadic):
harness.ok(isinstance(argument, WebIDL.IDLArgument), "Should be an IDLArgument")
harness.check(
argument.identifier.QName(), QName, "Argument has the right QName"
)
harness.check(argument.identifier.name, name, "Argument has the right name")
harness.check(str(argument.type), type, "Argument has the right return type")
harness.check(
argument.optional, optional, "Argument has the right optional value"
)
harness.check(
argument.variadic, variadic, "Argument has the right variadic value"
)
def checkMethod(
method,
QName,
name,
signatures,
static=False,
getter=False,
setter=False,
deleter=False,
legacycaller=False,
stringifier=False,
):
harness.ok(isinstance(method, WebIDL.IDLMethod), "Should be an IDLMethod")
harness.ok(method.isMethod(), "Method is a method")
harness.ok(not method.isAttr(), "Method is not an attr")
harness.ok(not method.isConst(), "Method is not a const")
harness.check(method.identifier.QName(), QName, "Method has the right QName")
harness.check(method.identifier.name, name, "Method has the right name")
harness.check(method.isStatic(), static, "Method has the correct static value")
harness.check(method.isGetter(), getter, "Method has the correct getter value")
harness.check(method.isSetter(), setter, "Method has the correct setter value")
harness.check(
method.isDeleter(), deleter, "Method has the correct deleter value"
)
harness.check(
method.isLegacycaller(),
legacycaller,
"Method has the correct legacycaller value",
)
harness.check(
method.isStringifier(),
stringifier,
"Method has the correct stringifier value",
)
harness.check(
len(method.signatures()),
len(signatures),
"Method has the correct number of signatures",
)
sigpairs = zip(method.signatures(), signatures)
for (gotSignature, expectedSignature) in sigpairs:
(gotRetType, gotArgs) = gotSignature
(expectedRetType, expectedArgs) = expectedSignature
harness.check(
str(gotRetType), expectedRetType, "Method has the expected return type."
)
for i in range(0, len(gotArgs)):
(QName, name, type, optional, variadic) = expectedArgs[i]
checkArgument(gotArgs[i], QName, name, type, optional, variadic)
checkMethod(methods[0], "::TestMethods::basic", "basic", [("Void", [])])
checkMethod(
methods[1],
"::TestMethods::basicStatic",
"basicStatic",
[("Void", [])],
static=True,
)
checkMethod(
methods[2],
"::TestMethods::basicWithSimpleArgs",
"basicWithSimpleArgs",
[
(
"Void",
[
(
"::TestMethods::basicWithSimpleArgs::arg1",
"arg1",
"Boolean",
False,
False,
),
(
"::TestMethods::basicWithSimpleArgs::arg2",
"arg2",
"Byte",
False,
False,
),
(
"::TestMethods::basicWithSimpleArgs::arg3",
"arg3",
"UnsignedLong",
False,
False,
),
],
)
],
)
checkMethod(
methods[3], "::TestMethods::basicBoolean", "basicBoolean", [("Boolean", [])]
)
checkMethod(
methods[4],
"::TestMethods::basicStaticBoolean",
"basicStaticBoolean",
[("Boolean", [])],
static=True,
)
checkMethod(
methods[5],
"::TestMethods::basicBooleanWithSimpleArgs",
"basicBooleanWithSimpleArgs",
[
(
"Boolean",
[
(
"::TestMethods::basicBooleanWithSimpleArgs::arg1",
"arg1",
"Boolean",
False,
False,
),
(
"::TestMethods::basicBooleanWithSimpleArgs::arg2",
"arg2",
"Byte",
False,
False,
),
(
"::TestMethods::basicBooleanWithSimpleArgs::arg3",
"arg3",
"UnsignedLong",
False,
False,
),
],
)
],
)
checkMethod(
methods[6],
"::TestMethods::optionalArg",
"optionalArg",
[
(
"Void",
[
(
"::TestMethods::optionalArg::arg1",
"arg1",
"ByteOrNull",
True,
False,
),
(
"::TestMethods::optionalArg::arg2",
"arg2",
"ByteSequence",
True,
False,
),
],
)
],
)
checkMethod(
methods[7],
"::TestMethods::variadicArg",
"variadicArg",
[
(
"Void",
[
(
"::TestMethods::variadicArg::arg1",
"arg1",
"ByteOrNull",
True,
True,
)
],
)
],
)
checkMethod(methods[8], "::TestMethods::getObject", "getObject", [("Object", [])])
checkMethod(
methods[9],
"::TestMethods::setObject",
"setObject",
[
(
"Void",
[("::TestMethods::setObject::arg1", "arg1", "Object", False, False)],
)
],
)
checkMethod(
methods[10],
"::TestMethods::setAny",
"setAny",
[("Void", [("::TestMethods::setAny::arg1", "arg1", "Any", False, False)])],
)
checkMethod(
methods[11],
"::TestMethods::doFloats",
"doFloats",
[("Float", [("::TestMethods::doFloats::arg1", "arg1", "Float", False, False)])],
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface A {
void foo(optional float bar = 1);
};
"""
)
results = parser.finish()
except Exception as x:
threw = True
harness.ok(not threw, "Should allow integer to float type corecion")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface A {
[GetterThrows] void foo();
};
"""
)
results = parser.finish()
except Exception as x:
threw = True
harness.ok(threw, "Should not allow [GetterThrows] on methods")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface A {
[SetterThrows] void foo();
};
"""
)
results = parser.finish()
except Exception as x:
threw = True
harness.ok(threw, "Should not allow [SetterThrows] on methods")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface A {
[Throw] void foo();
};
"""
)
results = parser.finish()
except Exception as x:
threw = True
harness.ok(threw, "Should spell [Throws] correctly on methods")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface A {
void __noSuchMethod__();
};
"""
)
results = parser.finish()
except Exception as x:
threw = True
harness.ok(threw, "Should not allow __noSuchMethod__ methods")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface A {
[Throws, LenientFloat]
void foo(float myFloat);
[Throws]
void foo();
};
"""
)
results = parser.finish()
except Exception as x:
threw = True
harness.ok(not threw, "Should allow LenientFloat to be only in a specific overload")
parser = parser.reset()
parser.parse(
"""
interface A {
[Throws]
void foo();
[Throws, LenientFloat]
void foo(float myFloat);
};
"""
)
results = parser.finish()
iface = results[0]
methods = iface.members
lenientFloat = methods[0].getExtendedAttribute("LenientFloat")
harness.ok(
lenientFloat is not None,
"LenientFloat in overloads must be added to the method",
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface A {
[Throws, LenientFloat]
void foo(float myFloat);
[Throws]
void foo(float myFloat, float yourFloat);
};
"""
)
results = parser.finish()
except Exception as x:
threw = True
harness.ok(
threw,
"Should prevent overloads from getting different restricted float behavior",
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface A {
[Throws]
void foo(float myFloat, float yourFloat);
[Throws, LenientFloat]
void foo(float myFloat);
};
"""
)
results = parser.finish()
except Exception as x:
threw = True
harness.ok(
threw,
"Should prevent overloads from getting different restricted float behavior (2)",
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface A {
[Throws, LenientFloat]
void foo(float myFloat);
[Throws, LenientFloat]
void foo(short myShort);
};
"""
)
results = parser.finish()
except Exception as x:
threw = True
harness.ok(threw, "Should prevent overloads from getting redundant [LenientFloat]")