1 files changed, 79 insertions, 0 deletions
diff --git a/toolkit/mozapps/extensions/test/xpcshell/test_no_addons.js b/toolkit/mozapps/extensions/test/xpcshell/test_no_addons.js
new file mode 100644
index 0000000000..71425bec4a
--- /dev/null
+++ b/toolkit/mozapps/extensions/test/xpcshell/test_no_addons.js
@@ -0,0 +1,79 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+// Test startup and restart when no add-ons are installed
+// bug 944006
+
+// Load XPI Provider to get schema version ID
+const {
+  XPIInternal: { DB_SCHEMA },
+} = ChromeUtils.import("resource://gre/modules/addons/XPIProvider.jsm");
+
+createAppInfo("xpcshell@tests.mozilla.org", "XPCShell", "1", "1.9.2");
+
+// Test for a preference to either exist with a specified value, or not exist at all
+function checkPending() {
+  try {
+    Assert.ok(!Services.prefs.getBoolPref("extensions.pendingOperations"));
+  } catch (e) {
+    // OK
+  }
+}
+
+// Make sure all our extension state is empty/nonexistent
+function check_empty_state() {
+  Assert.equal(
+    Services.prefs.getIntPref("extensions.databaseSchema"),
+    DB_SCHEMA
+  );
+  checkPending();
+}
+
+// After first run with no add-ons, we expect:
+// no extensions.json is created
+// no extensions.ini
+// database schema version preference is set
+// bootstrap add-ons preference is not found
+// add-on directory state preference is an empty array
+// no pending operations
+add_task(async function first_run() {
+  await promiseStartupManager();
+  check_empty_state();
+  await true;
+});
+
+// Now do something that causes a DB load, and re-check
+async function trigger_db_load() {
+  let addonList = await AddonManager.getAddonsByTypes(["extension"]);
+
+  Assert.equal(addonList.length, 0);
+  check_empty_state();
+
+  await true;
+}
+add_task(trigger_db_load);
+
+// Now restart the manager and check again
+add_task(async function restart_and_recheck() {
+  await promiseRestartManager();
+  check_empty_state();
+  await true;
+});
+
+// and reload the DB again
+add_task(trigger_db_load);
+
+// When we start up with no DB and an old database schema, we should update the
+// schema number but not create a database
+add_task(async function upgrade_schema_version() {
+  await promiseShutdownManager();
+  Services.prefs.setIntPref("extensions.databaseSchema", 1);
+
+  await promiseStartupManager();
+  Assert.equal(
+    Services.prefs.getIntPref("extensions.databaseSchema"),
+    DB_SCHEMA
+  );
+  check_empty_state();
+});