1 files changed, 197 insertions, 0 deletions
diff --git a/dom/tests/mochitest/general/test_domWindowUtils.html b/dom/tests/mochitest/general/test_domWindowUtils.html
new file mode 100644
index 000000000..377900c80
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+++ b/dom/tests/mochitest/general/test_domWindowUtils.html
@@ -0,0 +1,197 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <title>Test nsIDOMWindowUtils</title>
+  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+  <script type="text/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css">
+  <style>
+    html, body, div {
+      padding: 0;
+      margin: 0;
+    }
+    
+    div.test {
+      position: absolute;
+      height: 10px;
+      width: 10px;
+    }
+  </style>
+</head>
+
+<body id="body">
+
+<div class="test" id="onscreen" style="top: 100px; background-color: red;"></div>
+<div class="test" id="offscreen" style="top: 100000px; background-color: green;"></div>
+
+<script type="application/javascript;version=1.8">
+
+SimpleTest.waitForExplicitFinish();
+
+var domWindowUtils = SpecialPowers.getDOMWindowUtils(window);
+
+var gTests = [
+/*
+  nsIDOMElement elementFromPoint(in long aX,
+                                 in long aY,
+                                 in boolean aIgnoreRootScrollFrame,
+                                 in boolean aFlushLayout);
+*/
+function testElementFromPoint() {
+  let onscreen = document.getElementById("onscreen");
+  let offscreen = document.getElementById("offscreen");
+  let htmldoc = document.documentElement;
+  ok(onscreen, "on screen element exists");
+  ok(offscreen, "off screen element exists");
+  ok(htmldoc, "htmldoc element exists");
+
+  let testData = [
+    // default behavior is to return null for items outside the viewport
+    [[0, 100], null, onscreen],
+    [[9, 109], null, onscreen],
+    [[0, 100000], null, null],
+    [[9, 100009], null, null],
+
+    // ignore scroll frame
+    [[0, 100, true, false], null, onscreen],
+    [[9, 109, true, false], null, onscreen],
+    [[0, 100000, true, false], null, offscreen],
+    [[9, 100009, true, false], null, offscreen],
+
+    // layout flush tests
+    // test moving element 10px to the left and down, and flushing layout
+    [[10, 110, false, true], [[10, 110], onscreen], onscreen],
+    // test moving element back, not flushing layout
+    // (will get the html document instead)
+    [[0, 100, false, false], [[0, 100], onscreen], htmldoc],
+    // test element at same position, flushing layout
+    [[0, 100, false, true], [[0, 100], onscreen], onscreen],
+
+    // same tests repeated for offscreen element
+    [[10, 100010, true, true], [[10, 100010], offscreen], offscreen],
+    [[0, 100000, true, false], [[0, 100000], offscreen], htmldoc],
+    [[0, 100000, true, true], [[0, 100000], offscreen], offscreen],
+  ];
+
+  for (let i = 0; i < testData.length; ++i) {
+    let [x, y, ignoreScroll, flushLayout] = testData[i][0];
+    let moveData = testData[i][1];
+    let expected = testData[i][2];
+    
+    if (moveData) {
+      let moveEl = moveData[1];
+      let [moveX, moveY] = moveData[0];
+
+      moveEl.style.left = moveX + "px";
+      moveEl.style.top = moveY + "px";
+    }
+    let found = SpecialPowers.unwrap(domWindowUtils.elementFromPoint(
+                                     x, y, ignoreScroll, flushLayout));
+    is(found, expected, "at index " + i + " for data " + testData[i][0].toSource());
+  }
+
+  SimpleTest.executeSoon(function() {
+    next();
+  });
+},
+
+/**
+ * Test .isHandlingUserInput attribute.
+ */
+function testHandlingUserInput() {
+  ok('isHandlingUserInput' in domWindowUtils,
+     "isHandlingUserInput should be present");
+
+  is(domWindowUtils.isHandlingUserInput, false,
+     "isHandlingUserInput should return false if nothing is happening");
+
+  function testEvents() {
+    var data = [
+      {
+        eventName: "click",
+        result: true,
+      },
+      {
+        eventName: "mousemove",
+        result: false,
+      },
+      {
+        eventName: "mouseup",
+        result: true,
+      },
+      {
+        eventName: "mousedown",
+        result: true,
+      },
+      {
+        eventName: "keydown",
+        result: true,
+      },
+      {
+        eventName: "keyup",
+        result: true,
+      },
+    ];
+
+    for (let i=0; i<data.length; ++i) {
+      document.addEventListener(data[i].eventName, function() {
+        document.removeEventListener(data[i].eventName, arguments.callee);
+
+        is(domWindowUtils.isHandlingUserInput, data[i].result,
+           "isHandlingUserInput should be " + data[i].result);
+
+        SimpleTest.executeSoon(function() {
+          try { testEventsRunner.next(); } catch (e) { }
+        });
+      });
+
+      SimpleTest.executeSoon(function() {
+        if (data[i].eventName == "click") {
+          synthesizeMouseAtCenter(document.body, {});
+        } else if (data[i].eventName.indexOf("key") == 0) {
+          synthesizeKey("VK_A", { type: data[i].eventName });
+        } else {
+          synthesizeMouseAtCenter(document.body, { type: data[i].eventName });
+        }
+      });
+
+      yield undefined;
+    }
+
+    SimpleTest.executeSoon(function() {
+      next();
+    });
+  }
+
+  var testEventsRunner = testEvents();
+  testEventsRunner.next();
+},
+];
+
+function runner() {
+  for (let i=0; i<gTests.length; ++i) {
+    gTests[i]();
+    yield undefined;
+  }
+
+  SimpleTest.finish();
+};
+
+var gTestRunner = runner();
+
+function next() {
+  try { gTestRunner.next(); } catch (e) { if (e != StopIteration) { throw e; } }
+}
+
+// Run the test from onload, since the onscreen and offscreen divs should be in
+// the right places by then.
+addLoadEvent(function() {
+  gTestRunner.next();
+});
+
+</script>
+
+<p id="display"></p>
+
+</body>
+</html>