1 files changed, 28 insertions, 0 deletions
diff --git a/browser/base/content/test/general/browser_bug596687.js b/browser/base/content/test/general/browser_bug596687.js
new file mode 100644
index 0000000000..8c68cd5a03
--- /dev/null
+++ b/browser/base/content/test/general/browser_bug596687.js
@@ -0,0 +1,28 @@
+add_task(async function test() {
+  var tab = await BrowserTestUtils.openNewForegroundTab(gBrowser);
+
+  var gotTabAttrModified = false;
+  var gotTabClose = false;
+
+  function onTabClose() {
+    gotTabClose = true;
+    tab.addEventListener("TabAttrModified", onTabAttrModified);
+  }
+
+  function onTabAttrModified() {
+    gotTabAttrModified = true;
+  }
+
+  tab.addEventListener("TabClose", onTabClose);
+
+  BrowserTestUtils.removeTab(tab);
+
+  ok(gotTabClose, "should have got the TabClose event");
+  ok(
+    !gotTabAttrModified,
+    "shouldn't have got the TabAttrModified event after TabClose"
+  );
+
+  tab.removeEventListener("TabClose", onTabClose);
+  tab.removeEventListener("TabAttrModified", onTabAttrModified);
+});