1 files changed, 48 insertions, 0 deletions
diff --git a/devtools/client/webconsole/test/browser/browser_jsterm_autocomplete_will_navigate.js b/devtools/client/webconsole/test/browser/browser_jsterm_autocomplete_will_navigate.js
new file mode 100644
index 0000000000..b3fa1115f2
--- /dev/null
+++ b/devtools/client/webconsole/test/browser/browser_jsterm_autocomplete_will_navigate.js
@@ -0,0 +1,48 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Test that navigating the page closes the autocomplete popup.
+
+const TEST_URI = `data:text/html;charset=utf-8,<!DOCTYPE html>
+<head>
+  <script>
+    /* Create a prototype-less object so popup does not contain native
+     * Object prototype properties.
+     */
+    window.foo = Object.create(null, Object.getOwnPropertyDescriptors({
+      item0: "value0",
+      item1: "value1",
+    }));
+  </script>
+</head>
+<body>Test autocomplete close on content navigation</body>`;
+
+add_task(async function () {
+  const hud = await openNewTabAndConsole(TEST_URI);
+  const { jsterm } = hud;
+  info("web console opened");
+
+  const { autocompletePopup: popup } = jsterm;
+
+  const onPopUpOpen = popup.once("popup-opened");
+
+  info("wait for completion: window.foo.");
+  setInputValue(hud, "window.foo");
+  EventUtils.sendString(".");
+
+  await onPopUpOpen;
+
+  ok(popup.isOpen, "popup is open");
+  ok(popup.itemCount, "popup has items");
+
+  info("reload the page to close the popup");
+  const onPopupClose = popup.once("popup-closed");
+  await reloadBrowser();
+  await onPopupClose;
+
+  ok(!popup.isOpen, "popup is not open after reloading the page");
+  is(getInputValue(hud), "window.foo.", "completion was cancelled");
+  ok(!getInputCompletionValue(hud), "completeNode is empty");
+});