1 files changed, 37 insertions, 0 deletions
diff --git a/docshell/test/navigation/file_ship_beforeunload_fired.html b/docshell/test/navigation/file_ship_beforeunload_fired.html
new file mode 100644
index 0000000000..a1f416f959
--- /dev/null
+++ b/docshell/test/navigation/file_ship_beforeunload_fired.html
@@ -0,0 +1,37 @@
+<html>
+  <script>
+    onpageshow = function(pageShowEvent) {
+      var bc = new BroadcastChannel("ship_beforeunload");
+      bc.onmessage = function(event) {
+        if (event.data.action == "register_beforeunload") {
+          onbeforeunload = function() {
+            bc.postMessage("beforeunload_fired");
+            bc.close();
+          }
+          if (event.data.loadNextPageFromSessionHistory) {
+            history.back();
+          } else {
+            location.href += "?differentpage";
+          }
+        } else if (event.data.action == "navigate_to_page_b") {
+          bc.close();
+          if (event.data.blockBFCache) {
+            window.blockBFCache = new RTCPeerConnection();
+          }
+          location.href += "?pageb";
+        } else if (event.data.action == "back_to_page_b") {
+          if (event.data.forwardNavigateToPageB) {
+            history.forward();
+          } else {
+            history.back();
+          }
+          bc.close();
+        } else if (event.data.action == "close") {
+          bc.close();
+          window.close();
+        }
+      }
+      bc.postMessage({type: pageShowEvent.type, persisted: pageShowEvent.persisted});
+    }
+  </script>
+</html>