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-rw-r--r--docshell/test/unit/test_privacy_transition.js21
1 files changed, 21 insertions, 0 deletions
diff --git a/docshell/test/unit/test_privacy_transition.js b/docshell/test/unit/test_privacy_transition.js
new file mode 100644
index 0000000000..ae1bf71284
--- /dev/null
+++ b/docshell/test/unit/test_privacy_transition.js
@@ -0,0 +1,21 @@
+var gNotifications = 0;
+
+var observer = {
+ QueryInterface: ChromeUtils.generateQI([
+ "nsIPrivacyTransitionObserver",
+ "nsISupportsWeakReference",
+ ]),
+
+ privateModeChanged(enabled) {
+ gNotifications++;
+ },
+};
+
+function run_test() {
+ let windowlessBrowser = Services.appShell.createWindowlessBrowser(true);
+ windowlessBrowser.docShell.addWeakPrivacyTransitionObserver(observer);
+ windowlessBrowser.docShell.setOriginAttributes({ privateBrowsingId: 1 });
+ windowlessBrowser.docShell.setOriginAttributes({ privateBrowsingId: 0 });
+ windowlessBrowser.close();
+ Assert.equal(gNotifications, 2);
+}