Add m-esr52 at 52.6.0

1 files changed, 19 insertions, 0 deletions

diff --git a/browser/base/content/test/general/browser_bug664672.js b/browser/base/content/test/general/browser_bug664672.js
new file mode 100644
index 000000000..2064f77d0
--- /dev/null
+++ b/browser/base/content/test/general/browser_bug664672.js
@@ -0,0 +1,19 @@
+function test() {
+  waitForExplicitFinish();
+
+  var tab = gBrowser.addTab();
+
+  tab.addEventListener("TabClose", function () {
+    tab.removeEventListener("TabClose", arguments.callee, false);
+
+    ok(tab.linkedBrowser, "linkedBrowser should still exist during the TabClose event");
+
+    executeSoon(function () {
+      ok(!tab.linkedBrowser, "linkedBrowser should be gone after the TabClose event");
+
+      finish();
+    });
+  }, false);
+
+  gBrowser.removeTab(tab);
+}