Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 27 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 0000000000..32dd6c242a
--- /dev/null
+++ b/browser/base/content/test/general/browser_bug664672.js
@@ -0,0 +1,27 @@
+function test() {
+  waitForExplicitFinish();
+
+  var tab = BrowserTestUtils.addTab(gBrowser);
+
+  tab.addEventListener(
+    "TabClose",
+    function() {
+      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();
+      });
+    },
+    { once: true }
+  );
+
+  gBrowser.removeTab(tab);
+}