1 files changed, 44 insertions, 0 deletions
diff --git a/toolkit/components/aboutprocesses/tests/browser/browser_aboutprocesses_utility_actors.js b/toolkit/components/aboutprocesses/tests/browser/browser_aboutprocesses_utility_actors.js
new file mode 100644
index 0000000000..8ab7dcb747
--- /dev/null
+++ b/toolkit/components/aboutprocesses/tests/browser/browser_aboutprocesses_utility_actors.js
@@ -0,0 +1,44 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Test about:processes preparation of utility actor names.
+add_task(async function testUtilityActorNames() {
+  await BrowserTestUtils.withNewTab(
+    {
+      gBrowser,
+      opening: "about:processes",
+      waitForLoad: true,
+    },
+    browser => {
+      const View = browser.contentWindow.View;
+      const unknownActorName = "unknown";
+      const kDontExistFluentName =
+        View.utilityActorNameToFluentName("i-dont-exist");
+      const unknownFluentName =
+        View.utilityActorNameToFluentName(unknownActorName);
+
+      Assert.equal(
+        unknownFluentName,
+        kDontExistFluentName,
+        "Anything is unknown"
+      );
+
+      for (let actorName of ChromeUtils.getAllPossibleUtilityActorNames()) {
+        const fluentName = View.utilityActorNameToFluentName(actorName);
+        if (actorName === unknownActorName) {
+          Assert.ok(
+            fluentName === unknownFluentName,
+            `Actor name ${actorName} is expected unknown ${fluentName}`
+          );
+        } else {
+          Assert.ok(
+            fluentName !== unknownFluentName,
+            `Actor name ${actorName} is known ${fluentName}`
+          );
+        }
+      }
+    }
+  );
+});