1 files changed, 60 insertions, 0 deletions
diff --git a/devtools/server/tests/xpcshell/test_addon_events.js b/devtools/server/tests/xpcshell/test_addon_events.js
new file mode 100644
index 0000000000..262a604953
--- /dev/null
+++ b/devtools/server/tests/xpcshell/test_addon_events.js
@@ -0,0 +1,60 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const { AddonManager } = ChromeUtils.importESModule(
+  "resource://gre/modules/AddonManager.sys.mjs"
+);
+add_task(async function testReloadExitedAddon() {
+  await startupAddonsManager();
+
+  DevToolsServer.init();
+  DevToolsServer.registerAllActors();
+
+  const client = new DevToolsClient(DevToolsServer.connectPipe());
+  await client.connect();
+
+  // Retrieve the current list of addons to be notified of the next list update.
+  // We will also call listAddons every time we receive the event "addonListChanged" for
+  // the same reason.
+  await client.mainRoot.listAddons();
+
+  info("Install the addon");
+  const addonFile = do_get_file("addons/web-extension", false);
+
+  let installedAddon;
+  await expectAddonListChanged(client, async () => {
+    installedAddon = await AddonManager.installTemporaryAddon(addonFile);
+  });
+  ok(true, "Received onAddonListChanged when installing addon");
+
+  info("Disable the addon");
+  await expectAddonListChanged(client, () => installedAddon.disable());
+  ok(true, "Received onAddonListChanged when disabling addon");
+
+  info("Enable the addon");
+  await expectAddonListChanged(client, () => installedAddon.enable());
+  ok(true, "Received onAddonListChanged when enabling addon");
+
+  info("Put the addon in pending uninstall mode");
+  await expectAddonListChanged(client, () => installedAddon.uninstall(true));
+  ok(true, "Received onAddonListChanged when addon moves to pending uninstall");
+
+  info("Cancel uninstall for addon");
+  await expectAddonListChanged(client, () => installedAddon.cancelUninstall());
+  ok(true, "Received onAddonListChanged when addon uninstall is canceled");
+
+  info("Completely uninstall the addon");
+  await expectAddonListChanged(client, () => installedAddon.uninstall());
+  ok(true, "Received onAddonListChanged when addon is uninstalled");
+
+  await close(client);
+});
+
+async function expectAddonListChanged(client, predicate) {
+  const onAddonListChanged = client.mainRoot.once("addonListChanged");
+  await predicate();
+  await onAddonListChanged;
+  await client.mainRoot.listAddons();
+}