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-rw-r--r--dom/bindings/parser/tests/test_method.py430
1 files changed, 430 insertions, 0 deletions
diff --git a/dom/bindings/parser/tests/test_method.py b/dom/bindings/parser/tests/test_method.py
new file mode 100644
index 0000000000..e11044b742
--- /dev/null
+++ b/dom/bindings/parser/tests/test_method.py
@@ -0,0 +1,430 @@
+import WebIDL
+
+
+def WebIDLTest(parser, harness):
+ parser.parse(
+ """
+ interface TestMethods {
+ undefined basic();
+ static undefined basicStatic();
+ undefined basicWithSimpleArgs(boolean arg1, byte arg2, unsigned long arg3);
+ boolean basicBoolean();
+ static boolean basicStaticBoolean();
+ boolean basicBooleanWithSimpleArgs(boolean arg1, byte arg2, unsigned long arg3);
+ undefined optionalArg(optional byte? arg1, optional sequence<byte> arg2);
+ undefined variadicArg(byte?... arg1);
+ object getObject();
+ undefined setObject(object arg1);
+ undefined 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", [("Undefined", [])])
+ checkMethod(
+ methods[1],
+ "::TestMethods::basicStatic",
+ "basicStatic",
+ [("Undefined", [])],
+ static=True,
+ )
+ checkMethod(
+ methods[2],
+ "::TestMethods::basicWithSimpleArgs",
+ "basicWithSimpleArgs",
+ [
+ (
+ "Undefined",
+ [
+ (
+ "::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",
+ [
+ (
+ "Undefined",
+ [
+ (
+ "::TestMethods::optionalArg::arg1",
+ "arg1",
+ "ByteOrNull",
+ True,
+ False,
+ ),
+ (
+ "::TestMethods::optionalArg::arg2",
+ "arg2",
+ "ByteSequence",
+ True,
+ False,
+ ),
+ ],
+ )
+ ],
+ )
+ checkMethod(
+ methods[7],
+ "::TestMethods::variadicArg",
+ "variadicArg",
+ [
+ (
+ "Undefined",
+ [
+ (
+ "::TestMethods::variadicArg::arg1",
+ "arg1",
+ "ByteOrNull",
+ True,
+ True,
+ )
+ ],
+ )
+ ],
+ )
+ checkMethod(methods[8], "::TestMethods::getObject", "getObject", [("Object", [])])
+ checkMethod(
+ methods[9],
+ "::TestMethods::setObject",
+ "setObject",
+ [
+ (
+ "Undefined",
+ [("::TestMethods::setObject::arg1", "arg1", "Object", False, False)],
+ )
+ ],
+ )
+ checkMethod(
+ methods[10],
+ "::TestMethods::setAny",
+ "setAny",
+ [("Undefined", [("::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 {
+ undefined foo(optional float bar = 1);
+ };
+ """
+ )
+ results = parser.finish()
+ except Exception:
+ threw = True
+ harness.ok(not threw, "Should allow integer to float type corecion")
+
+ parser = parser.reset()
+ threw = False
+ try:
+ parser.parse(
+ """
+ interface A {
+ [GetterThrows] undefined foo();
+ };
+ """
+ )
+ results = parser.finish()
+ except Exception:
+ threw = True
+ harness.ok(threw, "Should not allow [GetterThrows] on methods")
+
+ parser = parser.reset()
+ threw = False
+ try:
+ parser.parse(
+ """
+ interface A {
+ [SetterThrows] undefined foo();
+ };
+ """
+ )
+ results = parser.finish()
+ except Exception:
+ threw = True
+ harness.ok(threw, "Should not allow [SetterThrows] on methods")
+
+ parser = parser.reset()
+ threw = False
+ try:
+ parser.parse(
+ """
+ interface A {
+ [Throw] undefined foo();
+ };
+ """
+ )
+ results = parser.finish()
+ except Exception:
+ threw = True
+ harness.ok(threw, "Should spell [Throws] correctly on methods")
+
+ parser = parser.reset()
+ threw = False
+ try:
+ parser.parse(
+ """
+ interface A {
+ undefined __noSuchMethod__();
+ };
+ """
+ )
+ results = parser.finish()
+ except Exception:
+ threw = True
+ harness.ok(threw, "Should not allow __noSuchMethod__ methods")
+
+ parser = parser.reset()
+ threw = False
+ try:
+ parser.parse(
+ """
+ interface A {
+ [Throws, LenientFloat]
+ undefined foo(float myFloat);
+ [Throws]
+ undefined foo();
+ };
+ """
+ )
+ results = parser.finish()
+ except Exception:
+ threw = True
+ harness.ok(not threw, "Should allow LenientFloat to be only in a specific overload")
+
+ parser = parser.reset()
+ parser.parse(
+ """
+ interface A {
+ [Throws]
+ undefined foo();
+ [Throws, LenientFloat]
+ undefined 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]
+ undefined foo(float myFloat);
+ [Throws]
+ undefined foo(float myFloat, float yourFloat);
+ };
+ """
+ )
+ results = parser.finish()
+ except Exception:
+ 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]
+ undefined foo(float myFloat, float yourFloat);
+ [Throws, LenientFloat]
+ undefined foo(float myFloat);
+ };
+ """
+ )
+ results = parser.finish()
+ except Exception:
+ 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]
+ undefined foo(float myFloat);
+ [Throws, LenientFloat]
+ undefined foo(short myShort);
+ };
+ """
+ )
+ results = parser.finish()
+ except Exception:
+ threw = True
+ harness.ok(threw, "Should prevent overloads from getting redundant [LenientFloat]")