Add optimpl tests

modules/testsupport/worker.js

@@ -0,0 +1,16 @@
+/* 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/ */
+
+"use strict";
+onmessage = function(event) {
+	let data = event.data;
+	if (data == "close") {
+		close();
+		return;
+	}
+	data.result = "worker";
+	postMessage(data);
+}
+
+postMessage(false);

modules/testsupport/workerFail.js

@@ -0,0 +1,16 @@
+/* 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/ */
+
+"use strict";
+onmessage = function(event) {
+	let data = event.data;
+	if (data == "close") {
+		close();
+		return;
+	}
+	data.result = "worker";
+	postMessage(data);
+}
+
+postMessage(true);

modules/testsupport/workerThrow.js

@@ -0,0 +1,7 @@
+/* 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/ */
+
+"use strict";
+
+throw new Error("throws");

tests/index.html

@@ -16,8 +16,9 @@
 		<script src="support/testAlertservice.js"></script>
 		<script src="support/testAtoms.js"></script>
 		<script src="support/testBatchgen.js"></script>
-		<script src="support/testFileextsheet.js"></script>
 		<script src="support/testDefer.js"></script>
+		<script src="support/testFileextsheet.js"></script>
+		<script src="support/testOptimpl.js"></script>
 		<script src="support/testHistoryManager.js"></script>
 		<script src="support/testPBM.js"></script>
 		<script src="support/testTextLinks.js"></script>

tests/support/testOptimpl.js

@@ -0,0 +1,61 @@
+module("support/optimpl.js");
+
+test("exports", function() {
+	checkExports("support/optimpl", ["NullCancel", "createOptimizedImplementation"]);
+});
+
+asyncTest("non-existant", function() {
+	function cb(result) {
+		QUnit.start();
+		strictEqual(result, "non-worker");
+	};
+	const {createOptimizedImplementation} = require("support/optimpl");
+	var impl = createOptimizedImplementation(
+		"non-existant",
+		function(impl) function(cb) impl(null, cb),
+		function() cb("non-worker")
+		);
+	setTimeout(function() impl.callImpl(cb), 50);
+});
+
+asyncTest("worker", function() {
+	function cb(result) {
+		QUnit.start();
+		strictEqual(result, "worker");
+	};
+	const {createOptimizedImplementation} = require("support/optimpl");
+	var impl = createOptimizedImplementation(
+		"testsupport/worker",
+		function(impl) function(cb) impl({}, cb),
+		function() cb("non-worker")
+		);
+	setTimeout(function() impl.callImpl(cb), 50);
+});
+
+asyncTest("workerThrow", function() {
+	function cb(result) {
+		QUnit.start();
+		strictEqual(result, "non-worker");
+	};
+	const {createOptimizedImplementation} = require("support/optimpl");
+	var impl = createOptimizedImplementation(
+			"testsupport/workerThrow",
+			function(impl) function(cb) impl({}, cb),
+			function() cb("non-worker")
+	);
+	setTimeout(function() impl.callImpl(cb), 50);
+});
+
+asyncTest("workerFail", function() {
+	function cb(result) {
+		QUnit.start();
+		strictEqual(result, "non-worker");
+	};
+	const {createOptimizedImplementation} = require("support/optimpl");
+	var impl = createOptimizedImplementation(
+			"testsupport/workerFail",
+			function(impl) function(cb) impl({}, cb),
+			function() cb("non-worker")
+	);
+	setTimeout(function() impl.callImpl(cb), 50);
+});