Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 887 insertions, 0 deletions

diff --git a/dom/bindings/test/TestJSImplGen.webidl b/dom/bindings/test/TestJSImplGen.webidl
new file mode 100644
index 0000000000..418d199212
--- /dev/null
+++ b/dom/bindings/test/TestJSImplGen.webidl
@@ -0,0 +1,887 @@
+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+typedef TestJSImplInterface AnotherNameForTestJSImplInterface;
+typedef TestJSImplInterface YetAnotherNameForTestJSImplInterface;
+typedef TestJSImplInterface? NullableTestJSImplInterface;
+
+callback MyTestCallback = undefined();
+
+enum MyTestEnum {
+  "a",
+  "b"
+};
+
+[Exposed=Window, JSImplementation="@mozilla.org/test-js-impl-interface;1"]
+interface TestJSImplInterface {
+  // We don't support multiple constructors or legacy factory functions
+  // for JS-implemented WebIDL.
+  [Throws]
+  constructor(DOMString str, unsigned long num, boolean? boolArg,
+              TestInterface? iface, long arg1,
+              DictForConstructor dict, any any1,
+              object obj1,
+              object? obj2, sequence<Dict> seq, optional any any2,
+              optional object obj3,
+              optional object? obj4,
+              Uint8Array typedArr,
+              ArrayBuffer arrayBuf);
+
+  // Integer types
+  // XXXbz add tests for throwing versions of all the integer stuff
+  readonly attribute byte readonlyByte;
+  attribute byte writableByte;
+  undefined passByte(byte arg);
+  byte receiveByte();
+  undefined passOptionalByte(optional byte arg);
+  undefined passOptionalByteBeforeRequired(optional byte arg1, byte arg2);
+  undefined passOptionalByteWithDefault(optional byte arg = 0);
+  undefined passOptionalByteWithDefaultBeforeRequired(optional byte arg1 = 0, byte arg2);
+  undefined passNullableByte(byte? arg);
+  undefined passOptionalNullableByte(optional byte? arg);
+  undefined passVariadicByte(byte... arg);
+  // [Cached] is not supported in JS-implemented WebIDL.
+  //[Cached, Pure]
+  //readonly attribute byte cachedByte;
+  //[Cached, Constant]
+  //readonly attribute byte cachedConstantByte;
+  //[Cached, Pure]
+  //attribute byte cachedWritableByte;
+  [Affects=Nothing]
+  attribute byte sideEffectFreeByte;
+  [Affects=Nothing, DependsOn=DOMState]
+  attribute byte domDependentByte;
+  [Affects=Nothing, DependsOn=Nothing]
+  readonly attribute byte constantByte;
+  [DependsOn=DeviceState, Affects=Nothing]
+  readonly attribute byte deviceStateDependentByte;
+  [Affects=Nothing]
+  byte returnByteSideEffectFree();
+  [Affects=Nothing, DependsOn=DOMState]
+  byte returnDOMDependentByte();
+  [Affects=Nothing, DependsOn=Nothing]
+  byte returnConstantByte();
+  [DependsOn=DeviceState, Affects=Nothing]
+  byte returnDeviceStateDependentByte();
+
+  readonly attribute short readonlyShort;
+  attribute short writableShort;
+  undefined passShort(short arg);
+  short receiveShort();
+  undefined passOptionalShort(optional short arg);
+  undefined passOptionalShortWithDefault(optional short arg = 5);
+
+  readonly attribute long readonlyLong;
+  attribute long writableLong;
+  undefined passLong(long arg);
+  long receiveLong();
+  undefined passOptionalLong(optional long arg);
+  undefined passOptionalLongWithDefault(optional long arg = 7);
+
+  readonly attribute long long readonlyLongLong;
+  attribute long long writableLongLong;
+  undefined passLongLong(long long arg);
+  long long receiveLongLong();
+  undefined passOptionalLongLong(optional long long arg);
+  undefined passOptionalLongLongWithDefault(optional long long arg = -12);
+
+  readonly attribute octet readonlyOctet;
+  attribute octet writableOctet;
+  undefined passOctet(octet arg);
+  octet receiveOctet();
+  undefined passOptionalOctet(optional octet arg);
+  undefined passOptionalOctetWithDefault(optional octet arg = 19);
+
+  readonly attribute unsigned short readonlyUnsignedShort;
+  attribute unsigned short writableUnsignedShort;
+  undefined passUnsignedShort(unsigned short arg);
+  unsigned short receiveUnsignedShort();
+  undefined passOptionalUnsignedShort(optional unsigned short arg);
+  undefined passOptionalUnsignedShortWithDefault(optional unsigned short arg = 2);
+
+  readonly attribute unsigned long readonlyUnsignedLong;
+  attribute unsigned long writableUnsignedLong;
+  undefined passUnsignedLong(unsigned long arg);
+  unsigned long receiveUnsignedLong();
+  undefined passOptionalUnsignedLong(optional unsigned long arg);
+  undefined passOptionalUnsignedLongWithDefault(optional unsigned long arg = 6);
+
+  readonly attribute unsigned long long readonlyUnsignedLongLong;
+  attribute unsigned long long  writableUnsignedLongLong;
+  undefined passUnsignedLongLong(unsigned long long arg);
+  unsigned long long receiveUnsignedLongLong();
+  undefined passOptionalUnsignedLongLong(optional unsigned long long arg);
+  undefined passOptionalUnsignedLongLongWithDefault(optional unsigned long long arg = 17);
+
+  attribute float writableFloat;
+  attribute unrestricted float writableUnrestrictedFloat;
+  attribute float? writableNullableFloat;
+  attribute unrestricted float? writableNullableUnrestrictedFloat;
+  attribute double writableDouble;
+  attribute unrestricted double writableUnrestrictedDouble;
+  attribute double? writableNullableDouble;
+  attribute unrestricted double? writableNullableUnrestrictedDouble;
+  undefined passFloat(float arg1, unrestricted float arg2,
+                      float? arg3, unrestricted float? arg4,
+                      double arg5, unrestricted double arg6,
+                      double? arg7, unrestricted double? arg8,
+                      sequence<float> arg9, sequence<unrestricted float> arg10,
+                      sequence<float?> arg11, sequence<unrestricted float?> arg12,
+                      sequence<double> arg13, sequence<unrestricted double> arg14,
+                      sequence<double?> arg15, sequence<unrestricted double?> arg16);
+  [LenientFloat]
+  undefined passLenientFloat(float arg1, unrestricted float arg2,
+                             float? arg3, unrestricted float? arg4,
+                             double arg5, unrestricted double arg6,
+                             double? arg7, unrestricted double? arg8,
+                             sequence<float> arg9,
+                             sequence<unrestricted float> arg10,
+                             sequence<float?> arg11,
+                             sequence<unrestricted float?> arg12,
+                             sequence<double> arg13,
+                             sequence<unrestricted double> arg14,
+                             sequence<double?> arg15,
+                             sequence<unrestricted double?> arg16);
+  [LenientFloat]
+  attribute float lenientFloatAttr;
+  [LenientFloat]
+  attribute double lenientDoubleAttr;
+
+  // Castable interface types
+  // XXXbz add tests for throwing versions of all the castable interface stuff
+  TestJSImplInterface receiveSelf();
+  TestJSImplInterface? receiveNullableSelf();
+
+  TestJSImplInterface receiveWeakSelf();
+  TestJSImplInterface? receiveWeakNullableSelf();
+
+  // A version to test for casting to TestJSImplInterface&
+  undefined passSelf(TestJSImplInterface arg);
+  undefined passNullableSelf(TestJSImplInterface? arg);
+  attribute TestJSImplInterface nonNullSelf;
+  attribute TestJSImplInterface? nullableSelf;
+  // [Cached] is not supported in JS-implemented WebIDL.
+  //[Cached, Pure]
+  //readonly attribute TestJSImplInterface cachedSelf;
+  // Optional arguments
+  undefined passOptionalSelf(optional TestJSImplInterface? arg);
+  undefined passOptionalNonNullSelf(optional TestJSImplInterface arg);
+  undefined passOptionalSelfWithDefault(optional TestJSImplInterface? arg = null);
+
+  // Non-wrapper-cache interface types
+  [NewObject]
+  TestNonWrapperCacheInterface receiveNonWrapperCacheInterface();
+  [NewObject]
+  TestNonWrapperCacheInterface? receiveNullableNonWrapperCacheInterface();
+
+  [NewObject]
+  sequence<TestNonWrapperCacheInterface> receiveNonWrapperCacheInterfaceSequence();
+  [NewObject]
+  sequence<TestNonWrapperCacheInterface?> receiveNullableNonWrapperCacheInterfaceSequence();
+  [NewObject]
+  sequence<TestNonWrapperCacheInterface>? receiveNonWrapperCacheInterfaceNullableSequence();
+  [NewObject]
+  sequence<TestNonWrapperCacheInterface?>? receiveNullableNonWrapperCacheInterfaceNullableSequence();
+
+  // External interface types
+  TestExternalInterface receiveExternal();
+  TestExternalInterface? receiveNullableExternal();
+  TestExternalInterface receiveWeakExternal();
+  TestExternalInterface? receiveWeakNullableExternal();
+  undefined passExternal(TestExternalInterface arg);
+  undefined passNullableExternal(TestExternalInterface? arg);
+  attribute TestExternalInterface nonNullExternal;
+  attribute TestExternalInterface? nullableExternal;
+  // Optional arguments
+  undefined passOptionalExternal(optional TestExternalInterface? arg);
+  undefined passOptionalNonNullExternal(optional TestExternalInterface arg);
+  undefined passOptionalExternalWithDefault(optional TestExternalInterface? arg = null);
+
+  // Callback interface types
+  TestCallbackInterface receiveCallbackInterface();
+  TestCallbackInterface? receiveNullableCallbackInterface();
+  TestCallbackInterface receiveWeakCallbackInterface();
+  TestCallbackInterface? receiveWeakNullableCallbackInterface();
+  undefined passCallbackInterface(TestCallbackInterface arg);
+  undefined passNullableCallbackInterface(TestCallbackInterface? arg);
+  attribute TestCallbackInterface nonNullCallbackInterface;
+  attribute TestCallbackInterface? nullableCallbackInterface;
+  // Optional arguments
+  undefined passOptionalCallbackInterface(optional TestCallbackInterface? arg);
+  undefined passOptionalNonNullCallbackInterface(optional TestCallbackInterface arg);
+  undefined passOptionalCallbackInterfaceWithDefault(optional TestCallbackInterface? arg = null);
+
+  // Sequence types
+  // [Cached] is not supported in JS-implemented WebIDL.
+  //[Cached, Pure]
+  //readonly attribute sequence<long> readonlySequence;
+  //[Cached, Pure]
+  //readonly attribute sequence<Dict> readonlySequenceOfDictionaries;
+  //[Cached, Pure]
+  //readonly attribute sequence<Dict>? readonlyNullableSequenceOfDictionaries;
+  //[Cached, Pure, Frozen]
+  //readonly attribute sequence<long> readonlyFrozenSequence;
+  //[Cached, Pure, Frozen]
+  //readonly attribute sequence<long>? readonlyFrozenNullableSequence;
+  sequence<long> receiveSequence();
+  sequence<long>? receiveNullableSequence();
+  sequence<long?> receiveSequenceOfNullableInts();
+  sequence<long?>? receiveNullableSequenceOfNullableInts();
+  undefined passSequence(sequence<long> arg);
+  undefined passNullableSequence(sequence<long>? arg);
+  undefined passSequenceOfNullableInts(sequence<long?> arg);
+  undefined passOptionalSequenceOfNullableInts(optional sequence<long?> arg);
+  undefined passOptionalNullableSequenceOfNullableInts(optional sequence<long?>? arg);
+  sequence<TestJSImplInterface> receiveCastableObjectSequence();
+  sequence<TestCallbackInterface> receiveCallbackObjectSequence();
+  sequence<TestJSImplInterface?> receiveNullableCastableObjectSequence();
+  sequence<TestCallbackInterface?> receiveNullableCallbackObjectSequence();
+  sequence<TestJSImplInterface>? receiveCastableObjectNullableSequence();
+  sequence<TestJSImplInterface?>? receiveNullableCastableObjectNullableSequence();
+  sequence<TestJSImplInterface> receiveWeakCastableObjectSequence();
+  sequence<TestJSImplInterface?> receiveWeakNullableCastableObjectSequence();
+  sequence<TestJSImplInterface>? receiveWeakCastableObjectNullableSequence();
+  sequence<TestJSImplInterface?>? receiveWeakNullableCastableObjectNullableSequence();
+  undefined passCastableObjectSequence(sequence<TestJSImplInterface> arg);
+  undefined passNullableCastableObjectSequence(sequence<TestJSImplInterface?> arg);
+  undefined passCastableObjectNullableSequence(sequence<TestJSImplInterface>? arg);
+  undefined passNullableCastableObjectNullableSequence(sequence<TestJSImplInterface?>? arg);
+  undefined passOptionalSequence(optional sequence<long> arg);
+  undefined passOptionalSequenceWithDefaultValue(optional sequence<long> arg = []);
+  undefined passOptionalNullableSequence(optional sequence<long>? arg);
+  undefined passOptionalNullableSequenceWithDefaultValue(optional sequence<long>? arg = null);
+  undefined passOptionalNullableSequenceWithDefaultValue2(optional sequence<long>? arg = []);
+  undefined passOptionalObjectSequence(optional sequence<TestJSImplInterface> arg);
+  undefined passExternalInterfaceSequence(sequence<TestExternalInterface> arg);
+  undefined passNullableExternalInterfaceSequence(sequence<TestExternalInterface?> arg);
+
+  sequence<DOMString> receiveStringSequence();
+  sequence<ByteString> receiveByteStringSequence();
+  sequence<UTF8String> receiveUTF8StringSequence();
+  // Callback interface problem.  See bug 843261.
+  //undefined passStringSequence(sequence<DOMString> arg);
+  sequence<any> receiveAnySequence();
+  sequence<any>? receiveNullableAnySequence();
+  //XXXbz No support for sequence of sequence return values yet.
+  //sequence<sequence<any>> receiveAnySequenceSequence();
+
+  sequence<object> receiveObjectSequence();
+  sequence<object?> receiveNullableObjectSequence();
+
+  undefined passSequenceOfSequences(sequence<sequence<long>> arg);
+  undefined passSequenceOfSequencesOfSequences(sequence<sequence<sequence<long>>> arg);
+  //XXXbz No support for sequence of sequence return values yet.
+  //sequence<sequence<long>> receiveSequenceOfSequences();
+
+  // record types
+  undefined passRecord(record<DOMString, long> arg);
+  undefined passNullableRecord(record<DOMString, long>? arg);
+  undefined passRecordOfNullableInts(record<DOMString, long?> arg);
+  undefined passOptionalRecordOfNullableInts(optional record<DOMString, long?> arg);
+  undefined passOptionalNullableRecordOfNullableInts(optional record<DOMString, long?>? arg);
+  undefined passCastableObjectRecord(record<DOMString, TestInterface> arg);
+  undefined passNullableCastableObjectRecord(record<DOMString, TestInterface?> arg);
+  undefined passCastableObjectNullableRecord(record<DOMString, TestInterface>? arg);
+  undefined passNullableCastableObjectNullableRecord(record<DOMString, TestInterface?>? arg);
+  undefined passOptionalRecord(optional record<DOMString, long> arg);
+  undefined passOptionalNullableRecord(optional record<DOMString, long>? arg);
+  undefined passOptionalNullableRecordWithDefaultValue(optional record<DOMString, long>? arg = null);
+  undefined passOptionalObjectRecord(optional record<DOMString, TestInterface> arg);
+  undefined passExternalInterfaceRecord(record<DOMString, TestExternalInterface> arg);
+  undefined passNullableExternalInterfaceRecord(record<DOMString, TestExternalInterface?> arg);
+  undefined passStringRecord(record<DOMString, DOMString> arg);
+  undefined passByteStringRecord(record<DOMString, ByteString> arg);
+  undefined passUTF8StringRecord(record<DOMString, UTF8String> arg);
+  undefined passRecordOfRecords(record<DOMString, record<DOMString, long>> arg);
+  record<DOMString, long> receiveRecord();
+  record<DOMString, long>? receiveNullableRecord();
+  record<DOMString, long?> receiveRecordOfNullableInts();
+  record<DOMString, long?>? receiveNullableRecordOfNullableInts();
+  //XXXbz No support for record of records return values yet.
+  //record<DOMString, record<DOMString, long>> receiveRecordOfRecords();
+  record<DOMString, any> receiveAnyRecord();
+
+  // Typed array types
+  undefined passArrayBuffer(ArrayBuffer arg);
+  undefined passNullableArrayBuffer(ArrayBuffer? arg);
+  undefined passOptionalArrayBuffer(optional ArrayBuffer arg);
+  undefined passOptionalNullableArrayBuffer(optional ArrayBuffer? arg);
+  undefined passOptionalNullableArrayBufferWithDefaultValue(optional ArrayBuffer? arg= null);
+  undefined passArrayBufferView(ArrayBufferView arg);
+  undefined passInt8Array(Int8Array arg);
+  undefined passInt16Array(Int16Array arg);
+  undefined passInt32Array(Int32Array arg);
+  undefined passUint8Array(Uint8Array arg);
+  undefined passUint16Array(Uint16Array arg);
+  undefined passUint32Array(Uint32Array arg);
+  undefined passUint8ClampedArray(Uint8ClampedArray arg);
+  undefined passFloat32Array(Float32Array arg);
+  undefined passFloat64Array(Float64Array arg);
+  undefined passSequenceOfArrayBuffers(sequence<ArrayBuffer> arg);
+  undefined passSequenceOfNullableArrayBuffers(sequence<ArrayBuffer?> arg);
+  undefined passRecordOfArrayBuffers(record<DOMString, ArrayBuffer> arg);
+  undefined passRecordOfNullableArrayBuffers(record<DOMString, ArrayBuffer?> arg);
+  undefined passVariadicTypedArray(Float32Array... arg);
+  undefined passVariadicNullableTypedArray(Float32Array?... arg);
+  Uint8Array receiveUint8Array();
+  attribute Uint8Array uint8ArrayAttr;
+
+  // DOMString types
+  undefined passString(DOMString arg);
+  undefined passNullableString(DOMString? arg);
+  undefined passOptionalString(optional DOMString arg);
+  undefined passOptionalStringWithDefaultValue(optional DOMString arg = "abc");
+  undefined passOptionalNullableString(optional DOMString? arg);
+  undefined passOptionalNullableStringWithDefaultValue(optional DOMString? arg = null);
+  undefined passVariadicString(DOMString... arg);
+
+  // ByteString types
+  undefined passByteString(ByteString arg);
+  undefined passNullableByteString(ByteString? arg);
+  undefined passOptionalByteString(optional ByteString arg);
+  undefined passOptionalByteStringWithDefaultValue(optional ByteString arg = "abc");
+  undefined passOptionalNullableByteString(optional ByteString? arg);
+  undefined passOptionalNullableByteStringWithDefaultValue(optional ByteString? arg = null);
+  undefined passVariadicByteString(ByteString... arg);
+  undefined passUnionByteString((ByteString or long) arg);
+  undefined passOptionalUnionByteString(optional (ByteString or long) arg);
+  undefined passOptionalUnionByteStringWithDefaultValue(optional (ByteString or long) arg = "abc");
+
+  // UTF8String types
+  undefined passUTF8String(UTF8String arg);
+  undefined passNullableUTF8String(UTF8String? arg);
+  undefined passOptionalUTF8String(optional UTF8String arg);
+  undefined passOptionalUTF8StringWithDefaultValue(optional UTF8String arg = "abc");
+  undefined passOptionalNullableUTF8String(optional UTF8String? arg);
+  undefined passOptionalNullableUTF8StringWithDefaultValue(optional UTF8String? arg = null);
+  undefined passVariadicUTF8String(UTF8String... arg);
+  undefined passUnionUTF8String((UTF8String or long) arg);
+  undefined passOptionalUnionUTF8String(optional (UTF8String or long) arg);
+  undefined passOptionalUnionUTF8StringWithDefaultValue(optional (UTF8String or long) arg = "abc");
+
+  // USVString types
+  undefined passSVS(USVString arg);
+  undefined passNullableSVS(USVString? arg);
+  undefined passOptionalSVS(optional USVString arg);
+  undefined passOptionalSVSWithDefaultValue(optional USVString arg = "abc");
+  undefined passOptionalNullableSVS(optional USVString? arg);
+  undefined passOptionalNullableSVSWithDefaultValue(optional USVString? arg = null);
+  undefined passVariadicSVS(USVString... arg);
+  USVString receiveSVS();
+
+  // JSString types
+  undefined passJSString(JSString arg);
+  // undefined passNullableJSString(JSString? arg); // NOT SUPPORTED YET
+  // undefined passOptionalJSString(optional JSString arg); // NOT SUPPORTED YET
+  undefined passOptionalJSStringWithDefaultValue(optional JSString arg = "abc");
+  // undefined passOptionalNullableJSString(optional JSString? arg); // NOT SUPPORTED YET
+  // undefined passOptionalNullableJSStringWithDefaultValue(optional JSString? arg = null); // NOT SUPPORTED YET
+  // undefined passVariadicJSString(JSString... arg); // NOT SUPPORTED YET
+  // undefined passRecordOfJSString(record<DOMString, JSString> arg); // NOT SUPPORTED YET
+  // undefined passSequenceOfJSString(sequence<JSString> arg); // NOT SUPPORTED YET
+  // undefined passUnionJSString((JSString or long) arg); // NOT SUPPORTED YET
+  JSString receiveJSString();
+  // sequence<JSString> receiveJSStringSequence(); // NOT SUPPORTED YET
+  // (JSString or long) receiveJSStringUnion(); // NOT SUPPORTED YET
+  // record<DOMString, JSString> receiveJSStringRecord(); // NOT SUPPORTED YET
+  readonly attribute JSString readonlyJSStringAttr;
+  attribute JSString jsStringAttr;
+
+  // Enumerated types
+  undefined passEnum(MyTestEnum arg);
+  undefined passNullableEnum(MyTestEnum? arg);
+  undefined passOptionalEnum(optional MyTestEnum arg);
+  undefined passEnumWithDefault(optional MyTestEnum arg = "a");
+  undefined passOptionalNullableEnum(optional MyTestEnum? arg);
+  undefined passOptionalNullableEnumWithDefaultValue(optional MyTestEnum? arg = null);
+  undefined passOptionalNullableEnumWithDefaultValue2(optional MyTestEnum? arg = "a");
+  MyTestEnum receiveEnum();
+  MyTestEnum? receiveNullableEnum();
+  attribute MyTestEnum enumAttribute;
+  readonly attribute MyTestEnum readonlyEnumAttribute;
+
+  // Callback types
+  undefined passCallback(MyTestCallback arg);
+  undefined passNullableCallback(MyTestCallback? arg);
+  undefined passOptionalCallback(optional MyTestCallback arg);
+  undefined passOptionalNullableCallback(optional MyTestCallback? arg);
+  undefined passOptionalNullableCallbackWithDefaultValue(optional MyTestCallback? arg = null);
+  MyTestCallback receiveCallback();
+  MyTestCallback? receiveNullableCallback();
+  // Hmm. These two don't work, I think because I need a locally modified version of TestTreatAsNullCallback.
+  //undefined passNullableTreatAsNullCallback(TestTreatAsNullCallback? arg);
+  //undefined passOptionalNullableTreatAsNullCallback(optional TestTreatAsNullCallback? arg);
+  undefined passOptionalNullableTreatAsNullCallbackWithDefaultValue(optional TestTreatAsNullCallback? arg = null);
+
+  // Any types
+  undefined passAny(any arg);
+  undefined passVariadicAny(any... arg);
+  undefined passOptionalAny(optional any arg);
+  undefined passAnyDefaultNull(optional any arg = null);
+  undefined passSequenceOfAny(sequence<any> arg);
+  undefined passNullableSequenceOfAny(sequence<any>? arg);
+  undefined passOptionalSequenceOfAny(optional sequence<any> arg);
+  undefined passOptionalNullableSequenceOfAny(optional sequence<any>? arg);
+  undefined passOptionalSequenceOfAnyWithDefaultValue(optional sequence<any>? arg = null);
+  undefined passSequenceOfSequenceOfAny(sequence<sequence<any>> arg);
+  undefined passSequenceOfNullableSequenceOfAny(sequence<sequence<any>?> arg);
+  undefined passNullableSequenceOfNullableSequenceOfAny(sequence<sequence<any>?>? arg);
+  undefined passOptionalNullableSequenceOfNullableSequenceOfAny(optional sequence<sequence<any>?>? arg);
+  undefined passRecordOfAny(record<DOMString, any> arg);
+  undefined passNullableRecordOfAny(record<DOMString, any>? arg);
+  undefined passOptionalRecordOfAny(optional record<DOMString, any> arg);
+  undefined passOptionalNullableRecordOfAny(optional record<DOMString, any>? arg);
+  undefined passOptionalRecordOfAnyWithDefaultValue(optional record<DOMString, any>? arg = null);
+  undefined passRecordOfRecordOfAny(record<DOMString, record<DOMString, any>> arg);
+  undefined passRecordOfNullableRecordOfAny(record<DOMString, record<DOMString, any>?> arg);
+  undefined passNullableRecordOfNullableRecordOfAny(record<DOMString, record<DOMString, any>?>? arg);
+  undefined passOptionalNullableRecordOfNullableRecordOfAny(optional record<DOMString, record<DOMString, any>?>? arg);
+  undefined passOptionalNullableRecordOfNullableSequenceOfAny(optional record<DOMString, sequence<any>?>? arg);
+  undefined passOptionalNullableSequenceOfNullableRecordOfAny(optional sequence<record<DOMString, any>?>? arg);
+  any receiveAny();
+
+  // object types
+  undefined passObject(object arg);
+  undefined passVariadicObject(object... arg);
+  undefined passNullableObject(object? arg);
+  undefined passVariadicNullableObject(object... arg);
+  undefined passOptionalObject(optional object arg);
+  undefined passOptionalNullableObject(optional object? arg);
+  undefined passOptionalNullableObjectWithDefaultValue(optional object? arg = null);
+  undefined passSequenceOfObject(sequence<object> arg);
+  undefined passSequenceOfNullableObject(sequence<object?> arg);
+  undefined passNullableSequenceOfObject(sequence<object>? arg);
+  undefined passOptionalNullableSequenceOfNullableSequenceOfObject(optional sequence<sequence<object>?>? arg);
+  undefined passOptionalNullableSequenceOfNullableSequenceOfNullableObject(optional sequence<sequence<object?>?>? arg);
+  undefined passRecordOfObject(record<DOMString, object> arg);
+  object receiveObject();
+  object? receiveNullableObject();
+
+  // Union types
+  undefined passUnion((object or long) arg);
+  // Some union tests are debug-only to aundefined creating all those
+  // unused union types in opt builds.
+#ifdef DEBUG
+  undefined passUnion2((long or boolean) arg);
+  undefined passUnion3((object or long or boolean) arg);
+  undefined passUnion4((Node or long or boolean) arg);
+  undefined passUnion5((object or boolean) arg);
+  undefined passUnion6((object or DOMString) arg);
+  undefined passUnion7((object or DOMString or long) arg);
+  undefined passUnion8((object or DOMString or boolean) arg);
+  undefined passUnion9((object or DOMString or long or boolean) arg);
+  undefined passUnion10(optional (EventInit or long) arg = {});
+  undefined passUnion11(optional (CustomEventInit or long) arg = {});
+  undefined passUnion12(optional (EventInit or long) arg = 5);
+  undefined passUnion13(optional (object or long?) arg = null);
+  undefined passUnion14(optional (object or long?) arg = 5);
+  undefined passUnion15((sequence<long> or long) arg);
+  undefined passUnion16(optional (sequence<long> or long) arg);
+  undefined passUnion17(optional (sequence<long>? or long) arg = 5);
+  undefined passUnion18((sequence<object> or long) arg);
+  undefined passUnion19(optional (sequence<object> or long) arg);
+  undefined passUnion20(optional (sequence<object> or long) arg = []);
+  undefined passUnion21((record<DOMString, long> or long) arg);
+  undefined passUnion22((record<DOMString, object> or long) arg);
+  undefined passUnion23((sequence<ImageData> or long) arg);
+  undefined passUnion24((sequence<ImageData?> or long) arg);
+  undefined passUnion25((sequence<sequence<ImageData>> or long) arg);
+  undefined passUnion26((sequence<sequence<ImageData?>> or long) arg);
+  undefined passUnion27(optional (sequence<DOMString> or EventInit) arg = {});
+  undefined passUnion28(optional (EventInit or sequence<DOMString>) arg = {});
+  undefined passUnionWithCallback((EventHandler or long) arg);
+  undefined passUnionWithByteString((ByteString or long) arg);
+  undefined passUnionWithUTF8String((UTF8String or long) arg);
+  undefined passUnionWithRecord((record<DOMString, DOMString> or DOMString) arg);
+  undefined passUnionWithRecordAndSequence((record<DOMString, DOMString> or sequence<DOMString>) arg);
+  undefined passUnionWithSequenceAndRecord((sequence<DOMString> or record<DOMString, DOMString>) arg);
+  undefined passUnionWithSVS((USVString or long) arg);
+#endif
+  undefined passUnionWithNullable((object? or long) arg);
+  undefined passNullableUnion((object or long)? arg);
+  undefined passOptionalUnion(optional (object or long) arg);
+  undefined passOptionalNullableUnion(optional (object or long)? arg);
+  undefined passOptionalNullableUnionWithDefaultValue(optional (object or long)? arg = null);
+  //undefined passUnionWithInterfaces((TestJSImplInterface or TestExternalInterface) arg);
+  //undefined passUnionWithInterfacesAndNullable((TestJSImplInterface? or TestExternalInterface) arg);
+  //undefined passUnionWithSequence((sequence<object> or long) arg);
+  undefined passUnionWithArrayBuffer((UTF8String or ArrayBuffer) arg);
+  undefined passUnionWithArrayBufferOrNull((UTF8String or ArrayBuffer?) arg);
+  undefined passUnionWithTypedArrays((ArrayBufferView or ArrayBuffer) arg);
+  undefined passUnionWithTypedArraysOrNull((ArrayBufferView or ArrayBuffer?) arg);
+  undefined passUnionWithString((DOMString or object) arg);
+  // Using an enum in a union.  Note that we use some enum not declared in our
+  // binding file, because UnionTypes.h will need to include the binding header
+  // for this enum.  Pick an enum from an interface that won't drag in too much
+  // stuff.
+  undefined passUnionWithEnum((SupportedType or object) arg);
+
+  // Trying to use a callback in a union won't include the test
+  // headers, unfortunately, so won't compile.
+  //  undefined passUnionWithCallback((MyTestCallback or long) arg);
+  undefined passUnionWithObject((object or long) arg);
+  //undefined passUnionWithDict((Dict or long) arg);
+
+  undefined passUnionWithDefaultValue1(optional (double or DOMString) arg = "");
+  undefined passUnionWithDefaultValue2(optional (double or DOMString) arg = 1);
+  undefined passUnionWithDefaultValue3(optional (double or DOMString) arg = 1.5);
+  undefined passUnionWithDefaultValue4(optional (float or DOMString) arg = "");
+  undefined passUnionWithDefaultValue5(optional (float or DOMString) arg = 1);
+  undefined passUnionWithDefaultValue6(optional (float or DOMString) arg = 1.5);
+  undefined passUnionWithDefaultValue7(optional (unrestricted double or DOMString) arg = "");
+  undefined passUnionWithDefaultValue8(optional (unrestricted double or DOMString) arg = 1);
+  undefined passUnionWithDefaultValue9(optional (unrestricted double or DOMString) arg = 1.5);
+  undefined passUnionWithDefaultValue10(optional (unrestricted double or DOMString) arg = Infinity);
+  undefined passUnionWithDefaultValue11(optional (unrestricted float or DOMString) arg = "");
+  undefined passUnionWithDefaultValue12(optional (unrestricted float or DOMString) arg = 1);
+  undefined passUnionWithDefaultValue13(optional (unrestricted float or DOMString) arg = Infinity);
+  undefined passUnionWithDefaultValue14(optional (double or ByteString) arg = "");
+  undefined passUnionWithDefaultValue15(optional (double or ByteString) arg = 1);
+  undefined passUnionWithDefaultValue16(optional (double or ByteString) arg = 1.5);
+  undefined passUnionWithDefaultValue17(optional (double or SupportedType) arg = "text/html");
+  undefined passUnionWithDefaultValue18(optional (double or SupportedType) arg = 1);
+  undefined passUnionWithDefaultValue19(optional (double or SupportedType) arg = 1.5);
+  undefined passUnionWithDefaultValue20(optional (double or USVString) arg = "abc");
+  undefined passUnionWithDefaultValue21(optional (double or USVString) arg = 1);
+  undefined passUnionWithDefaultValue22(optional (double or USVString) arg = 1.5);
+  undefined passUnionWithDefaultValue23(optional (double or UTF8String) arg = "");
+  undefined passUnionWithDefaultValue24(optional (double or UTF8String) arg = 1);
+  undefined passUnionWithDefaultValue25(optional (double or UTF8String) arg = 1.5);
+
+  undefined passNullableUnionWithDefaultValue1(optional (double or DOMString)? arg = "");
+  undefined passNullableUnionWithDefaultValue2(optional (double or DOMString)? arg = 1);
+  undefined passNullableUnionWithDefaultValue3(optional (double or DOMString)? arg = null);
+  undefined passNullableUnionWithDefaultValue4(optional (float or DOMString)? arg = "");
+  undefined passNullableUnionWithDefaultValue5(optional (float or DOMString)? arg = 1);
+  undefined passNullableUnionWithDefaultValue6(optional (float or DOMString)? arg = null);
+  undefined passNullableUnionWithDefaultValue7(optional (unrestricted double or DOMString)? arg = "");
+  undefined passNullableUnionWithDefaultValue8(optional (unrestricted double or DOMString)? arg = 1);
+  undefined passNullableUnionWithDefaultValue9(optional (unrestricted double or DOMString)? arg = null);
+  undefined passNullableUnionWithDefaultValue10(optional (unrestricted float or DOMString)? arg = "");
+  undefined passNullableUnionWithDefaultValue11(optional (unrestricted float or DOMString)? arg = 1);
+  undefined passNullableUnionWithDefaultValue12(optional (unrestricted float or DOMString)? arg = null);
+  undefined passNullableUnionWithDefaultValue13(optional (double or ByteString)? arg = "");
+  undefined passNullableUnionWithDefaultValue14(optional (double or ByteString)? arg = 1);
+  undefined passNullableUnionWithDefaultValue15(optional (double or ByteString)? arg = 1.5);
+  undefined passNullableUnionWithDefaultValue16(optional (double or ByteString)? arg = null);
+  undefined passNullableUnionWithDefaultValue17(optional (double or SupportedType)? arg = "text/html");
+  undefined passNullableUnionWithDefaultValue18(optional (double or SupportedType)? arg = 1);
+  undefined passNullableUnionWithDefaultValue19(optional (double or SupportedType)? arg = 1.5);
+  undefined passNullableUnionWithDefaultValue20(optional (double or SupportedType)? arg = null);
+  undefined passNullableUnionWithDefaultValue21(optional (double or USVString)? arg = "abc");
+  undefined passNullableUnionWithDefaultValue22(optional (double or USVString)? arg = 1);
+  undefined passNullableUnionWithDefaultValue23(optional (double or USVString)? arg = 1.5);
+  undefined passNullableUnionWithDefaultValue24(optional (double or USVString)? arg = null);
+  undefined passNullableUnionWithDefaultValue25(optional (double or UTF8String)? arg = "");
+  undefined passNullableUnionWithDefaultValue26(optional (double or UTF8String)? arg = 1);
+  undefined passNullableUnionWithDefaultValue27(optional (double or UTF8String)? arg = 1.5);
+  undefined passNullableUnionWithDefaultValue28(optional (double or UTF8String)? arg = null);
+
+  undefined passSequenceOfUnions(sequence<(CanvasPattern or CanvasGradient)> arg);
+  undefined passSequenceOfUnions2(sequence<(object or long)> arg);
+  undefined passVariadicUnion((CanvasPattern or CanvasGradient)... arg);
+
+  undefined passSequenceOfNullableUnions(sequence<(CanvasPattern or CanvasGradient)?> arg);
+  undefined passVariadicNullableUnion((CanvasPattern or CanvasGradient)?... arg);
+  undefined passRecordOfUnions(record<DOMString, (CanvasPattern or CanvasGradient)> arg);
+  // XXXbz no move constructor on some unions
+  // undefined passRecordOfUnions2(record<DOMString, (object or long)> arg);
+
+  (CanvasPattern or CanvasGradient) receiveUnion();
+  (object or long) receiveUnion2();
+  (CanvasPattern? or CanvasGradient) receiveUnionContainingNull();
+  (CanvasPattern or CanvasGradient)? receiveNullableUnion();
+  (object or long)? receiveNullableUnion2();
+
+  attribute (CanvasPattern or CanvasGradient) writableUnion;
+  attribute (CanvasPattern? or CanvasGradient) writableUnionContainingNull;
+  attribute (CanvasPattern or CanvasGradient)? writableNullableUnion;
+
+  // Promise types
+  undefined passPromise(Promise<any> arg);
+  undefined passOptionalPromise(optional Promise<any> arg);
+  undefined passPromiseSequence(sequence<Promise<any>> arg);
+  Promise<any> receivePromise();
+  Promise<any> receiveAddrefedPromise();
+
+  // binaryNames tests
+  [BinaryName="methodRenamedTo"]
+  undefined methodRenamedFrom();
+  [BinaryName="methodRenamedTo"]
+  undefined methodRenamedFrom(byte argument);
+  [BinaryName="attributeGetterRenamedTo"]
+  readonly attribute byte attributeGetterRenamedFrom;
+  [BinaryName="attributeRenamedTo"]
+  attribute byte attributeRenamedFrom;
+
+  undefined passDictionary(optional Dict x = {});
+  undefined passDictionary2(Dict x);
+  // [Cached] is not supported in JS-implemented WebIDL.
+  //[Cached, Pure]
+  //readonly attribute Dict readonlyDictionary;
+  //[Cached, Pure]
+  //readonly attribute Dict? readonlyNullableDictionary;
+  //[Cached, Pure]
+  //attribute Dict writableDictionary;
+  //[Cached, Pure, Frozen]
+  //readonly attribute Dict readonlyFrozenDictionary;
+  //[Cached, Pure, Frozen]
+  //readonly attribute Dict? readonlyFrozenNullableDictionary;
+  //[Cached, Pure, Frozen]
+  //attribute Dict writableFrozenDictionary;
+  Dict receiveDictionary();
+  Dict? receiveNullableDictionary();
+  undefined passOtherDictionary(optional GrandparentDict x = {});
+  undefined passSequenceOfDictionaries(sequence<Dict> x);
+  undefined passRecordOfDictionaries(record<DOMString, GrandparentDict> x);
+  // No support for nullable dictionaries inside a sequence (nor should there be)
+  //  undefined passSequenceOfNullableDictionaries(sequence<Dict?> x);
+  undefined passDictionaryOrLong(optional Dict x = {});
+  undefined passDictionaryOrLong(long x);
+
+  undefined passDictContainingDict(optional DictContainingDict arg = {});
+  undefined passDictContainingSequence(optional DictContainingSequence arg = {});
+  DictContainingSequence receiveDictContainingSequence();
+  undefined passVariadicDictionary(Dict... arg);
+
+  // EnforceRange/Clamp tests
+  undefined dontEnforceRangeOrClamp(byte arg);
+  undefined doEnforceRange([EnforceRange] byte arg);
+  undefined doEnforceRangeNullable([EnforceRange] byte? arg);
+  undefined doClamp([Clamp] byte arg);
+  undefined doClampNullable([Clamp] byte? arg);
+  attribute [EnforceRange] byte enforcedByte;
+  attribute [EnforceRange] byte? enforcedByteNullable;
+  attribute [Clamp] byte clampedByte;
+  attribute [Clamp] byte? clampedByteNullable;
+
+  // Typedefs
+  const myLong myLongConstant = 5;
+  undefined exerciseTypedefInterfaces1(AnotherNameForTestJSImplInterface arg);
+  AnotherNameForTestJSImplInterface exerciseTypedefInterfaces2(NullableTestJSImplInterface arg);
+  undefined exerciseTypedefInterfaces3(YetAnotherNameForTestJSImplInterface arg);
+
+  // Deprecated methods and attributes
+  [Deprecated="Components"]
+  attribute byte deprecatedAttribute;
+  [Deprecated="Components"]
+  byte deprecatedMethod();
+  [Deprecated="Components"]
+  undefined deprecatedMethodWithContext(any arg);
+
+  // Static methods and attributes
+  // FIXME: Bug 863952 Static things are not supported yet
+  /*
+  static attribute boolean staticAttribute;
+  static undefined staticMethod(boolean arg);
+  static undefined staticMethodWithContext(any arg);
+
+  // Deprecated static methods and attributes
+  [Deprecated="Components"]
+  static attribute byte staticDeprecatedAttribute;
+  [Deprecated="Components"]
+  static byte staticDeprecatedMethod();
+  [Deprecated="Components"]
+  static byte staticDeprecatedMethodWithContext();
+  */
+
+  // Overload resolution tests
+  //undefined overload1(DOMString... strs);
+  boolean overload1(TestJSImplInterface arg);
+  TestJSImplInterface overload1(DOMString strs, TestJSImplInterface arg);
+  undefined overload2(TestJSImplInterface arg);
+  undefined overload2(optional Dict arg = {});
+  undefined overload2(boolean arg);
+  undefined overload2(DOMString arg);
+  undefined overload3(TestJSImplInterface arg);
+  undefined overload3(MyTestCallback arg);
+  undefined overload3(boolean arg);
+  undefined overload4(TestJSImplInterface arg);
+  undefined overload4(TestCallbackInterface arg);
+  undefined overload4(DOMString arg);
+  undefined overload5(long arg);
+  undefined overload5(MyTestEnum arg);
+  undefined overload6(long arg);
+  undefined overload6(boolean arg);
+  undefined overload7(long arg);
+  undefined overload7(boolean arg);
+  undefined overload7(ByteString arg);
+  undefined overload8(long arg);
+  undefined overload8(TestJSImplInterface arg);
+  undefined overload9(long? arg);
+  undefined overload9(DOMString arg);
+  undefined overload10(long? arg);
+  undefined overload10(object arg);
+  undefined overload11(long arg);
+  undefined overload11(DOMString? arg);
+  undefined overload12(long arg);
+  undefined overload12(boolean? arg);
+  undefined overload13(long? arg);
+  undefined overload13(boolean arg);
+  undefined overload14(optional long arg);
+  undefined overload14(TestInterface arg);
+  undefined overload15(long arg);
+  undefined overload15(optional TestInterface arg);
+  undefined overload16(long arg);
+  undefined overload16(optional TestInterface? arg);
+  undefined overload17(sequence<long> arg);
+  undefined overload17(record<DOMString, long> arg);
+  undefined overload18(record<DOMString, DOMString> arg);
+  undefined overload18(sequence<DOMString> arg);
+  undefined overload19(sequence<long> arg);
+  undefined overload19(optional Dict arg = {});
+  undefined overload20(optional Dict arg = {});
+  undefined overload20(sequence<long> arg);
+
+  // Variadic handling
+  undefined passVariadicThirdArg(DOMString arg1, long arg2, TestJSImplInterface... arg3);
+
+  // Conditionally exposed methods/attributes
+  [Pref="dom.webidl.test1"]
+  readonly attribute boolean prefable1;
+  [Pref="dom.webidl.test1"]
+  readonly attribute boolean prefable2;
+  [Pref="dom.webidl.test2"]
+  readonly attribute boolean prefable3;
+  [Pref="dom.webidl.test2"]
+  readonly attribute boolean prefable4;
+  [Pref="dom.webidl.test1"]
+  readonly attribute boolean prefable5;
+  [Pref="dom.webidl.test1", Func="nsGenericHTMLElement::LegacyTouchAPIEnabled"]
+  readonly attribute boolean prefable6;
+  [Pref="dom.webidl.test1", Func="nsGenericHTMLElement::LegacyTouchAPIEnabled"]
+  readonly attribute boolean prefable7;
+  [Pref="dom.webidl.test2", Func="nsGenericHTMLElement::LegacyTouchAPIEnabled"]
+  readonly attribute boolean prefable8;
+  [Pref="dom.webidl.test1", Func="nsGenericHTMLElement::LegacyTouchAPIEnabled"]
+  readonly attribute boolean prefable9;
+  [Pref="dom.webidl.test1"]
+  undefined prefable10();
+  [Pref="dom.webidl.test1", Func="nsGenericHTMLElement::LegacyTouchAPIEnabled"]
+  undefined prefable11();
+  [Pref="dom.webidl.test1", Func="TestFuncControlledMember"]
+  readonly attribute boolean prefable12;
+  [Pref="dom.webidl.test1", Func="nsGenericHTMLElement::LegacyTouchAPIEnabled"]
+  undefined prefable13();
+  [Pref="dom.webidl.test1", Func="TestFuncControlledMember"]
+  readonly attribute boolean prefable14;
+  [Func="TestFuncControlledMember"]
+  readonly attribute boolean prefable15;
+  [Func="TestFuncControlledMember"]
+  readonly attribute boolean prefable16;
+  [Pref="dom.webidl.test1", Func="TestFuncControlledMember"]
+  undefined prefable17();
+  [Func="TestFuncControlledMember"]
+  undefined prefable18();
+  [Func="TestFuncControlledMember"]
+  undefined prefable19();
+  [Pref="dom.webidl.test1", Func="TestFuncControlledMember", ChromeOnly]
+  undefined prefable20();
+
+  // Conditionally exposed methods/attributes involving [SecureContext]
+  [SecureContext]
+  readonly attribute boolean conditionalOnSecureContext1;
+  [SecureContext, Pref="dom.webidl.test1"]
+  readonly attribute boolean conditionalOnSecureContext2;
+  [SecureContext, Pref="dom.webidl.test1", Func="nsGenericHTMLElement::LegacyTouchAPIEnabled"]
+  readonly attribute boolean conditionalOnSecureContext3;
+  [SecureContext, Pref="dom.webidl.test1", Func="TestFuncControlledMember"]
+  readonly attribute boolean conditionalOnSecureContext4;
+  [SecureContext]
+  undefined conditionalOnSecureContext5();
+  [SecureContext, Pref="dom.webidl.test1"]
+  undefined conditionalOnSecureContext6();
+  [SecureContext, Pref="dom.webidl.test1", Func="nsGenericHTMLElement::LegacyTouchAPIEnabled"]
+  undefined conditionalOnSecureContext7();
+  [SecureContext, Pref="dom.webidl.test1", Func="TestFuncControlledMember"]
+  undefined conditionalOnSecureContext8();
+
+  // Miscellania
+  [LegacyLenientThis] attribute long attrWithLenientThis;
+  // FIXME: Bug 863954 Unforgeable things get all confused when
+  // non-JS-implemented interfaces inherit from JS-implemented ones or vice
+  // versa.
+  //   [Unforgeable] readonly attribute long unforgeableAttr;
+  //   [Unforgeable, ChromeOnly] readonly attribute long unforgeableAttr2;
+  //   [Unforgeable] long unforgeableMethod();
+  //   [Unforgeable, ChromeOnly] long unforgeableMethod2();
+  // FIXME: Bug 863955 No stringifiers yet
+  //   stringifier;
+  undefined passRenamedInterface(TestRenamedInterface arg);
+  [PutForwards=writableByte] readonly attribute TestJSImplInterface putForwardsAttr;
+  [PutForwards=writableByte, LegacyLenientThis] readonly attribute TestJSImplInterface putForwardsAttr2;
+  [PutForwards=writableByte, ChromeOnly] readonly attribute TestJSImplInterface putForwardsAttr3;
+  [Throws] undefined throwingMethod();
+  [Throws] attribute boolean throwingAttr;
+  [GetterThrows] attribute boolean throwingGetterAttr;
+  [SetterThrows] attribute boolean throwingSetterAttr;
+  [CanOOM] undefined canOOMMethod();
+  [CanOOM] attribute boolean canOOMAttr;
+  [GetterCanOOM] attribute boolean canOOMGetterAttr;
+  [SetterCanOOM] attribute boolean canOOMSetterAttr;
+  [CEReactions] undefined ceReactionsMethod();
+  [CEReactions] undefined ceReactionsMethodOverload();
+  [CEReactions] undefined ceReactionsMethodOverload(DOMString bar);
+  [CEReactions] attribute boolean ceReactionsAttr;
+  // NeedsSubjectPrincipal not supported on JS-implemented things for
+  // now, because we always pass in the caller principal anyway.
+  //  [NeedsSubjectPrincipal] undefined needsSubjectPrincipalMethod();
+  //  [NeedsSubjectPrincipal] attribute boolean needsSubjectPrincipalAttr;
+  // legacycaller short(unsigned long arg1, TestInterface arg2);
+  undefined passArgsWithDefaults(optional long arg1,
+                            optional TestInterface? arg2 = null,
+                            optional Dict arg3 = {}, optional double arg4 = 5.0,
+                            optional float arg5);
+  attribute any toJSONShouldSkipThis;
+  attribute TestParentInterface toJSONShouldSkipThis2;
+  attribute TestCallbackInterface toJSONShouldSkipThis3;
+  [Default] object toJSON();
+
+  attribute byte dashed-attribute;
+  undefined dashed-method();
+
+  // [NonEnumerable] tests
+  [NonEnumerable]
+  attribute boolean nonEnumerableAttr;
+  [NonEnumerable]
+  const boolean nonEnumerableConst = true;
+  [NonEnumerable]
+  undefined nonEnumerableMethod();
+
+  // [AllowShared] tests
+  attribute [AllowShared] ArrayBufferViewTypedef allowSharedArrayBufferViewTypedef;
+  attribute [AllowShared] ArrayBufferView allowSharedArrayBufferView;
+  attribute [AllowShared] ArrayBufferView? allowSharedNullableArrayBufferView;
+  attribute [AllowShared] ArrayBuffer allowSharedArrayBuffer;
+  attribute [AllowShared] ArrayBuffer? allowSharedNullableArrayBuffer;
+
+  undefined passAllowSharedArrayBufferViewTypedef(AllowSharedArrayBufferViewTypedef foo);
+  undefined passAllowSharedArrayBufferView([AllowShared] ArrayBufferView foo);
+  undefined passAllowSharedNullableArrayBufferView([AllowShared] ArrayBufferView? foo);
+  undefined passAllowSharedArrayBuffer([AllowShared] ArrayBuffer foo);
+  undefined passAllowSharedNullableArrayBuffer([AllowShared] ArrayBuffer? foo);
+  undefined passUnionArrayBuffer((DOMString or ArrayBuffer) foo);
+  undefined passUnionAllowSharedArrayBuffer((DOMString or [AllowShared] ArrayBuffer) foo);
+
+  // If you add things here, add them to TestCodeGen as well
+};
+
+[Exposed=Window]
+interface TestCImplementedInterface : TestJSImplInterface {
+};
+
+[Exposed=Window]
+interface TestCImplementedInterface2 {
+};
+
+[LegacyNoInterfaceObject,
+ JSImplementation="@mozilla.org/test-js-impl-interface;2",
+ Exposed=Window]
+interface TestJSImplNoInterfaceObject {
+  // [Cached] is not supported in JS-implemented WebIDL.
+  //[Cached, Pure]
+  //readonly attribute byte cachedByte;
+};