1 files changed, 220 insertions, 0 deletions
diff --git a/dom/bindings/test/TestInterfaceJS.sys.mjs b/dom/bindings/test/TestInterfaceJS.sys.mjs
new file mode 100644
index 0000000000..53ce9d107d
--- /dev/null
+++ b/dom/bindings/test/TestInterfaceJS.sys.mjs
@@ -0,0 +1,220 @@
+/* -*- Mode: JavaScript; 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/. */
+/* global noSuchMethodExistsYo1, noSuchMethodExistsYo2, noSuchMethodExistsYo3 */
+
+export function TestInterfaceJS() {}
+
+TestInterfaceJS.prototype = {
+  QueryInterface: ChromeUtils.generateQI([
+    "nsIDOMGlobalPropertyInitializer",
+    "mozITestInterfaceJS",
+  ]),
+
+  init(win) {
+    this._win = win;
+  },
+
+  __init(anyArg, objectArg, dictionaryArg) {
+    this._anyAttr = undefined;
+    this._objectAttr = null;
+    this._anyArg = anyArg;
+    this._objectArg = objectArg;
+    this._dictionaryArg = dictionaryArg;
+  },
+
+  get anyArg() {
+    return this._anyArg;
+  },
+  get objectArg() {
+    return this._objectArg;
+  },
+  getDictionaryArg() {
+    return this._dictionaryArg;
+  },
+  get anyAttr() {
+    return this._anyAttr;
+  },
+  set anyAttr(val) {
+    this._anyAttr = val;
+  },
+  get objectAttr() {
+    return this._objectAttr;
+  },
+  set objectAttr(val) {
+    this._objectAttr = val;
+  },
+  getDictionaryAttr() {
+    return this._dictionaryAttr;
+  },
+  setDictionaryAttr(val) {
+    this._dictionaryAttr = val;
+  },
+  pingPongAny(any) {
+    return any;
+  },
+  pingPongObject(obj) {
+    return obj;
+  },
+  pingPongObjectOrString(objectOrString) {
+    return objectOrString;
+  },
+  pingPongDictionary(dict) {
+    return dict;
+  },
+  pingPongDictionaryOrLong(dictOrLong) {
+    return dictOrLong.anyMember || dictOrLong;
+  },
+  pingPongRecord(rec) {
+    return JSON.stringify(rec);
+  },
+  objectSequenceLength(seq) {
+    return seq.length;
+  },
+  anySequenceLength(seq) {
+    return seq.length;
+  },
+
+  getCallerPrincipal() {
+    return Cu.getWebIDLCallerPrincipal().origin;
+  },
+
+  convertSVS(svs) {
+    return svs;
+  },
+
+  pingPongUnion(x) {
+    return x;
+  },
+  pingPongUnionContainingNull(x) {
+    return x;
+  },
+  pingPongNullableUnion(x) {
+    return x;
+  },
+  returnBadUnion(x) {
+    return 3;
+  },
+
+  testSequenceOverload(arg) {},
+  testSequenceUnion(arg) {},
+
+  testThrowError() {
+    throw new this._win.Error("We are an Error");
+  },
+
+  testThrowDOMException() {
+    throw new this._win.DOMException(
+      "We are a DOMException",
+      "NotSupportedError"
+    );
+  },
+
+  testThrowTypeError() {
+    throw new this._win.TypeError("We are a TypeError");
+  },
+
+  testThrowNsresult() {
+    // This is explicitly testing preservation of raw thrown Crs in XPCJS
+    // eslint-disable-next-line mozilla/no-throw-cr-literal
+    throw Cr.NS_BINDING_ABORTED;
+  },
+
+  testThrowNsresultFromNative(x) {
+    // We want to throw an exception that we generate from an nsresult thrown
+    // by a C++ component.
+    Services.io.notImplemented();
+  },
+
+  testThrowCallbackError(callback) {
+    callback();
+  },
+
+  testThrowXraySelfHosted() {
+    this._win.Array.prototype.forEach();
+  },
+
+  testThrowSelfHosted() {
+    Array.prototype.forEach();
+  },
+
+  testPromiseWithThrowingChromePromiseInit() {
+    return new this._win.Promise(function () {
+      noSuchMethodExistsYo1();
+    });
+  },
+
+  testPromiseWithThrowingContentPromiseInit(func) {
+    return new this._win.Promise(func);
+  },
+
+  testPromiseWithDOMExceptionThrowingPromiseInit() {
+    return new this._win.Promise(() => {
+      throw new this._win.DOMException(
+        "We are a second DOMException",
+        "NotFoundError"
+      );
+    });
+  },
+
+  testPromiseWithThrowingChromeThenFunction() {
+    return this._win.Promise.resolve(5).then(function () {
+      noSuchMethodExistsYo2();
+    });
+  },
+
+  testPromiseWithThrowingContentThenFunction(func) {
+    return this._win.Promise.resolve(10).then(func);
+  },
+
+  testPromiseWithDOMExceptionThrowingThenFunction() {
+    return this._win.Promise.resolve(5).then(() => {
+      throw new this._win.DOMException(
+        "We are a third DOMException",
+        "NetworkError"
+      );
+    });
+  },
+
+  testPromiseWithThrowingChromeThenable() {
+    var thenable = {
+      then() {
+        noSuchMethodExistsYo3();
+      },
+    };
+    return new this._win.Promise(function (resolve) {
+      resolve(thenable);
+    });
+  },
+
+  testPromiseWithThrowingContentThenable(thenable) {
+    // Waive Xrays on the thenable, because we're calling resolve() in the
+    // chrome compartment, so that's the compartment the "then" property get
+    // will happen in, and if we leave the Xray in place the function-valued
+    // property won't return the function.
+    return this._win.Promise.resolve(Cu.waiveXrays(thenable));
+  },
+
+  testPromiseWithDOMExceptionThrowingThenable() {
+    var thenable = {
+      then: () => {
+        throw new this._win.DOMException(
+          "We are a fourth DOMException",
+          "TypeMismatchError"
+        );
+      },
+    };
+    return new this._win.Promise(function (resolve) {
+      resolve(thenable);
+    });
+  },
+
+  get onsomething() {
+    return this.__DOM_IMPL__.getEventHandler("onsomething");
+  },
+
+  set onsomething(val) {
+    this.__DOM_IMPL__.setEventHandler("onsomething", val);
+  },
+};