1 files changed, 84 insertions, 0 deletions
diff --git a/layout/xul/test/browser_bug706743.js b/layout/xul/test/browser_bug706743.js
new file mode 100644
index 000000000..b7262e812
--- /dev/null
+++ b/layout/xul/test/browser_bug706743.js
@@ -0,0 +1,84 @@
+add_task(function* () {
+  const url = "data:text/html,<html><head></head><body>" +
+    "<a id=\"target\" href=\"about:blank\" title=\"This is tooltip text\" " +
+            "style=\"display:block;height:20px;margin:10px;\" " +
+            "onclick=\"return false;\">here is an anchor element</a></body></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.synthesizeMouse("#target", -5, -5, { type: "mousemove" }, browser);
+
+  // show tooltip by mousemove into target.
+  let popupShownPromise = BrowserTestUtils.waitForEvent(document, "popupshown");
+  yield BrowserTestUtils.synthesizeMouse("#target", 5, 15, { type: "mousemove" }, browser);
+  yield popupShownPromise;
+
+  // hide tooltip by mousemove to outside.
+  let popupHiddenPromise = BrowserTestUtils.waitForEvent(document, "popuphidden");
+  yield BrowserTestUtils.synthesizeMouse("#target", -5, 15, { type: "mousemove" }, browser);
+  yield popupHiddenPromise;
+
+  // mousemove into the target and start drag by emulation via nsIDragService.
+  // Note that on some platforms, we cannot actually start the drag by
+  // synthesized events.  E.g., Windows waits an actual mousemove event after
+  // dragstart.
+
+  // Emulate a buggy mousemove event.  widget might dispatch mousemove event
+  // during drag.
+
+  function tooltipNotExpected()
+  {
+    ok(false, "tooltip is shown during drag");
+  }
+  addEventListener("popupshown", tooltipNotExpected, true);
+
+  let dragService = Components.classes["@mozilla.org/widget/dragservice;1"].
+                      getService(Components.interfaces.nsIDragService);
+  dragService.startDragSession();
+  yield BrowserTestUtils.synthesizeMouse("#target", 5, 15, { type: "mousemove" }, browser);
+
+  yield new Promise(resolve => setTimeout(resolve, 100));
+  removeEventListener("popupshown", tooltipNotExpected, true);
+  dragService.endDragSession(true);
+
+  yield BrowserTestUtils.synthesizeMouse("#target", -5, -5, { type: "mousemove" }, browser);
+
+  // If tooltip listener used a flag for managing D&D state, we would need
+  // to test if the tooltip is shown after drag.
+
+  // show tooltip by mousemove into target.
+  popupShownPromise = BrowserTestUtils.waitForEvent(document, "popupshown");
+  yield BrowserTestUtils.synthesizeMouse("#target", 5, 15, { type: "mousemove" }, browser);
+  yield popupShownPromise;
+
+  // hide tooltip by mousemove to outside.
+  popupHiddenPromise = BrowserTestUtils.waitForEvent(document, "popuphidden");
+  yield BrowserTestUtils.synthesizeMouse("#target", -5, 15, { type: "mousemove" }, browser);
+  yield popupHiddenPromise;
+
+  // Show tooltip after mousedown
+  popupShownPromise = BrowserTestUtils.waitForEvent(document, "popupshown");
+  yield BrowserTestUtils.synthesizeMouse("#target", 5, 15, { type: "mousemove" }, browser);
+  yield popupShownPromise;
+
+  popupHiddenPromise = BrowserTestUtils.waitForEvent(document, "popuphidden");
+  yield BrowserTestUtils.synthesizeMouse("#target", 5, 15, { type: "mousedown" }, browser);
+  yield popupHiddenPromise;
+
+  yield BrowserTestUtils.synthesizeMouse("#target", 5, 15, { type: "mouseup" }, browser);
+  yield BrowserTestUtils.synthesizeMouse("#target", -5, 15, { type: "mousemove" }, browser);
+
+  ok(true, "tooltips appear properly");
+
+  gBrowser.removeCurrentTab();
+});
+
+
+
+