Bug 1854422 - Set ICAL.design.strict to false in the main thread. r=mkmelin

Setting this property disappeared when libical was removed. I've added it to calUtils.jsm because that should get loaded before anything tries to use ical.js.

Differential Revision: https://phabricator.services.mozilla.com/D189603

--HG--
extra : moz-landing-system : lando

calendar/base/modules/calUtils.sys.mjs

@@ -5,6 +5,9 @@
 import { XPCOMUtils } from "resource://gre/modules/XPCOMUtils.sys.mjs";
 import { ConsoleAPI } from "resource://gre/modules/Console.sys.mjs";
 
+const { ICAL } = ChromeUtils.import("resource:///modules/calendar/Ical.jsm");
+ICAL.design.strict = false;
+
 const lazy = {};
 XPCOMUtils.defineLazyModuleGetters(lazy, {
   CalDateTime: "resource:///modules/CalDateTime.jsm",

calendar/test/unit/test_lenient_parsing.js

@@ -0,0 +1,41 @@
+/* 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/. */
+
+/**
+ * Tests that ICAL.design.strict is set to false in both the main thread and
+ * the ICS parsing worker. If either or both is set to true, this will fail.
+ */
+
+add_task(async function () {
+  const item = await new Promise((resolve, reject) => {
+    Cc["@mozilla.org/calendar/ics-parser;1"].createInstance(Ci.calIIcsParser).parseString(
+      dedent`
+        BEGIN:VCALENDAR
+        BEGIN:VEVENT
+        SUMMARY:An event!
+        DTSTART:20240331
+        DTEND:20240331
+        END:VEVENT
+        END:VCALENDAR
+      `,
+      {
+        QueryInterface: ChromeUtils.generateQI(["calIIcsParsingListener"]),
+        onParsingComplete(rv, parser) {
+          if (Components.isSuccessCode(rv)) {
+            resolve(parser.getItems()[0]);
+          } else {
+            reject(rv);
+          }
+        },
+      }
+    );
+  });
+
+  Assert.equal(item.startDate.year, 2024);
+  Assert.equal(item.startDate.month, 2);
+  Assert.equal(item.startDate.day, 31);
+  Assert.equal(item.endDate.year, 2024);
+  Assert.equal(item.endDate.month, 2);
+  Assert.equal(item.endDate.day, 31);
+});

calendar/test/unit/xpcshell.ini

@@ -60,6 +60,7 @@ tags = calendar
 [test_itip_message_sender.js]
 [test_itip_utils.js]
 [test_l10n_utils.js]
+[test_lenient_parsing.js]
 [test_providers.js]
 [test_recur.js]
 [test_recurrence_utils.js]