1 files changed, 38 insertions, 0 deletions
diff --git a/layout/xul/test/browser_bug685470.js b/layout/xul/test/browser_bug685470.js
new file mode 100644
index 0000000000..46997b2e3b
--- /dev/null
+++ b/layout/xul/test/browser_bug685470.js
@@ -0,0 +1,38 @@
+add_task(async function () {
+  const html =
+    '<p id="p1" title="tooltip is here">This paragraph has a tooltip.</p>';
+  await BrowserTestUtils.openNewForegroundTab(
+    gBrowser,
+    "data:text/html," + html
+  );
+
+  await new Promise(resolve => {
+    SpecialPowers.pushPrefEnv({ set: [["ui.tooltipDelay", 0]] }, resolve);
+  });
+
+  await BrowserTestUtils.synthesizeMouseAtCenter(
+    "#p1",
+    { type: "mousemove" },
+    gBrowser.selectedBrowser
+  );
+  await BrowserTestUtils.synthesizeMouseAtCenter(
+    "#p1",
+    {},
+    gBrowser.selectedBrowser
+  );
+
+  // Wait until the tooltip timeout triggers that would normally have opened the popup.
+  await new Promise(resolve => setTimeout(resolve, 0));
+  is(
+    document.getElementById("aHTMLTooltip").state,
+    "closed",
+    "local tooltip is closed"
+  );
+  is(
+    document.getElementById("remoteBrowserTooltip").state,
+    "closed",
+    "remote tooltip is closed"
+  );
+
+  gBrowser.removeCurrentTab();
+});