Add m-esr52 at 52.6.0

1 files changed, 32 insertions, 0 deletions

diff --git a/browser/components/tests/unit/test_browserGlue_migration_loop_cleanup.js b/browser/components/tests/unit/test_browserGlue_migration_loop_cleanup.js
new file mode 100644
index 000000000..a68503db3
--- /dev/null
+++ b/browser/components/tests/unit/test_browserGlue_migration_loop_cleanup.js
@@ -0,0 +1,32 @@
+const UI_VERSION = 41;
+const TOPIC_BROWSERGLUE_TEST = "browser-glue-test";
+const TOPICDATA_BROWSERGLUE_TEST = "force-ui-migration";
+
+var gBrowserGlue = Cc["@mozilla.org/browser/browserglue;1"]
+                     .getService(Ci.nsIObserver);
+
+Services.prefs.setIntPref("browser.migration.version", UI_VERSION - 1);
+
+add_task(function* test_check_cleanup_loop_prefs() {
+  Services.prefs.setBoolPref("loop.createdRoom", true);
+  Services.prefs.setBoolPref("loop1.createdRoom", true);
+  Services.prefs.setBoolPref("loo.createdRoom", true);
+
+  // Simulate a migration.
+  gBrowserGlue.observe(null, TOPIC_BROWSERGLUE_TEST, TOPICDATA_BROWSERGLUE_TEST);
+
+  Assert.throws(() => Services.prefs.getBoolPref("loop.createdRoom"),
+                /NS_ERROR_UNEXPECTED/,
+                "should have cleared old loop preference 'loop.createdRoom'");
+  Assert.ok(Services.prefs.getBoolPref("loop1.createdRoom"),
+            "should have left non-loop pref 'loop1.createdRoom' untouched");
+  Assert.ok(Services.prefs.getBoolPref("loo.createdRoom"),
+            "should have left non-loop pref 'loo.createdRoom' untouched");
+});
+
+do_register_cleanup(() => {
+  Services.prefs.clearUserPref("browser.migration.version");
+  Services.prefs.clearUserPref("loop.createdRoom");
+  Services.prefs.clearUserPref("loop1.createdRoom");
+  Services.prefs.clearUserPref("loo.createdRoom");
+});