1 files changed, 38 insertions, 0 deletions
diff --git a/dom/ipc/tests/browser_hide_tooltip.js b/dom/ipc/tests/browser_hide_tooltip.js
new file mode 100644
index 0000000000..6a7cd12f24
--- /dev/null
+++ b/dom/ipc/tests/browser_hide_tooltip.js
@@ -0,0 +1,38 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+add_task(async function test_hiding_tooltip() {
+  let page1 = "data:text/html,<html title='title'><body>page 1<body></html>";
+  let page2 = "data:text/html,<html><body>page 2</body></html>";
+
+  let tab = await BrowserTestUtils.openNewForegroundTab({
+    gBrowser,
+    opening: page1,
+  });
+
+  let popup = new Promise(function (resolve) {
+    window.addEventListener("popupshown", resolve, { once: true });
+  });
+  // Fire a mousemove to trigger the tooltip.
+  EventUtils.synthesizeMouseAtCenter(gBrowser.selectedBrowser, {
+    type: "mousemove",
+  });
+  await popup;
+
+  let hiding = new Promise(function (resolve) {
+    window.addEventListener("popuphiding", resolve, { once: true });
+  });
+  let loaded = BrowserTestUtils.browserLoaded(
+    gBrowser.selectedBrowser,
+    false,
+    page2
+  );
+  BrowserTestUtils.loadURIString(gBrowser, page2);
+  await loaded;
+  await hiding;
+
+  ok(true, "Should have hidden the tooltip");
+  BrowserTestUtils.removeTab(tab);
+});