1 files changed, 41 insertions, 0 deletions
diff --git a/comm/calendar/test/unit/test_lenient_parsing.js b/comm/calendar/test/unit/test_lenient_parsing.js
new file mode 100644
index 0000000000..7d20584996
--- /dev/null
+++ b/comm/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);
+});