1 files changed, 33 insertions, 0 deletions
diff --git a/layout/xul/test/browser_bug703210.js b/layout/xul/test/browser_bug703210.js
new file mode 100644
index 000000000..cfd626b1c
--- /dev/null
+++ b/layout/xul/test/browser_bug703210.js
@@ -0,0 +1,33 @@
+add_task(function* () {
+  const url = "data:text/html," +
+    "<html onmousemove='event.stopPropagation()'" +
+    " onmouseenter='event.stopPropagation()' onmouseleave='event.stopPropagation()'" +
+    " onmouseover='event.stopPropagation()' onmouseout='event.stopPropagation()'>" +
+    "<p id=\"p1\" title=\"tooltip is here\">This paragraph has a tooltip.</p>" +
+    "<p id=\"p2\">This paragraph doesn't have tooltip.</p></html>";
+
+  let tab = yield BrowserTestUtils.openNewForegroundTab(gBrowser, url);
+  let browser = gBrowser.selectedBrowser;
+
+  yield new Promise(resolve => {
+    SpecialPowers.pushPrefEnv({"set": [["ui.tooltipDelay", 0]]}, resolve);
+  });
+
+  // Send a mousemove at a known position to start the test.
+  yield BrowserTestUtils.synthesizeMouseAtCenter("#p2", { type: "mousemove" }, browser);
+  let popupShownPromise = BrowserTestUtils.waitForEvent(document, "popupshown", false, event => {
+    is(event.originalTarget.localName, "tooltip", "tooltip is showing");
+    return true;
+  });
+  yield BrowserTestUtils.synthesizeMouseAtCenter("#p1", { type: "mousemove" }, browser);
+  yield popupShownPromise;
+
+  let popupHiddenPromise = BrowserTestUtils.waitForEvent(document, "popuphidden", false, event => {
+    is(event.originalTarget.localName, "tooltip", "tooltip is hidden");
+    return true;
+  });
+  yield BrowserTestUtils.synthesizeMouseAtCenter("#p2", { type: "mousemove" }, browser);
+  yield popupHiddenPromise;
+
+  gBrowser.removeCurrentTab();
+});