Quelle test_continuous_wheel_events.html Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/dom/events/test/test_continuous_wheel_events.html

<!DOCTYPE HTML>
<html style="font-size: 32px;">
<head>
  <title>Test for D3E WheelEvent</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <script src="/tests/SimpleTest/EventUtils.js"></script>
  <script src="/tests/SimpleTest/paint_listener.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body onload="bodyLoaded()">
<p id="display"></p>
<div id="scrollable" style="font-family: 'Courier New', monospace; font-size: 18px; line-height: 1; overflow: auto; width: 200px; height: 200px;">
  <div id="scrolled" style="font-size: 64px; width: 5000px; height: 5000px;">
    Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br>
    Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br>
    Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br>
    Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br>
    Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br>
    Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br>
    Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br>
    Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br>
    Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br>
    Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br>
    Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br>
    Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br>
    Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br>
    Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br>
    Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br>
    Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br>
    Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br>
    Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br>
    Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br>
    Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br>
    Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br>
    Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br>
    Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br>
    Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br>
    Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br>
    Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br>
  </div>
</div>
<div id="content" style="display: none">

</div>
<pre id="test">
<script type="application/javascript">

var gScrollableElement;
var gScrolledElement;

SimpleTest.waitForExplicitFinish();
function bodyLoaded() {
  gScrollableElement = document.getElementById("scrollable");
  gScrolledElement = document.getElementById("scrolled");
  runTests();
}

var gLineHeight = 0;
var gHorizontalLine = 0;
var gPageHeight = 0;
var gPageWidth  = 0;

function sendWheelAndWait(aX, aY, aEvent)
{
  sendWheelAndPaint(gScrollableElement, aX, aY, aEvent, continueTest);
}

function* prepareScrollUnits()
{
  var result = -1;
  function handler(aEvent)
  {
    result = aEvent.detail;
    aEvent.preventDefault();
  }
  window.addEventListener("MozMousePixelScroll", handler, { capture: true, passive: false });

  yield sendWheelAndWait(10, 10,
                         { deltaMode: WheelEvent.DOM_DELTA_LINE,
                           deltaY: 1.0, lineOrPageDeltaY: 1 });
  gLineHeight = result;
  ok(gLineHeight > 10 && gLineHeight < 25, "prepareScrollUnits: gLineHeight may be illegal value, got " + gLineHeight);

  result = -1;
  yield sendWheelAndWait(10, 10,
                         { deltaMode: WheelEvent.DOM_DELTA_LINE,
                           deltaX: 1.0, lineOrPageDeltaX: 1 });
  gHorizontalLine = result;
  ok(gHorizontalLine > 5 && gHorizontalLine < 16, "prepareScrollUnits: gHorizontalLine may be illegal value, got " + gHorizontalLine);

  result = -1;
  yield sendWheelAndWait(10, 10,
                         { deltaMode: WheelEvent.DOM_DELTA_PAGE,
                           deltaY: 1.0, lineOrPageDeltaY: 1 });
  gPageHeight = result;
  // XXX Cannot we know the actual scroll port size?
  ok(gPageHeight >= 150 && gPageHeight <= 200,
     "prepareScrollUnits: gPageHeight is strange value, got " + gPageHeight);

  result = -1;
  yield sendWheelAndWait(10, 10,
                         { deltaMode: WheelEvent.DOM_DELTA_PAGE,
                           deltaX: 1.0, lineOrPageDeltaX: 1 });
  gPageWidth = result;
  ok(gPageWidth >= 150 && gPageWidth <= 200,
     "prepareScrollUnits: gPageWidth is strange value, got " + gPageWidth);

  window.removeEventListener("MozMousePixelScroll", handler, true);
}

// Tests continuous trusted wheel events. Trusted wheel events should cause
// legacy mouse scroll events when its lineOrPageDelta value is not zero or
// accumulated delta values of pixel scroll events of pixel only device
// become over the line height.
function* testContinuousTrustedEvents()
{
  const kSynthesizedWheelEventTests = [
    { description: "Simple horizontal wheel event by pixels (16.0 - 1) #1",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 16.0, deltaY: 0.0, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 16.0, deltaY: 0.0, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: 1 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: 16 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } }
    },
    { description: "Simple horizontal wheel event by pixels (16.0 - 1) #2",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 16.0, deltaY: 0.0, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 16.0, deltaY: 0.0, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: 1 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: 16 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } }
    },
    { description: "Simple horizontal wheel event by pixels (16.0 - 1) #3",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 16.0, deltaY: 0.0, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 16.0, deltaY: 0.0, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: 1 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: 16 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } }
    },

    { description: "Simple vertical wheel event by pixels (16.0 - 1) #1",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 0.0, deltaY: 16.0, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 0.0, deltaY: 16.0, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false,  preventDefault: false, detail: 0 },
        vertical:   { expected: true,   preventDefault: false, detail: 1 } },
      MozMousePixelScroll: {
        horizontal: { expected: false,  preventDefault: false, detail: 0 },
        vertical:   { expected: true,   preventDefault: false, detail: 16 } }
    },
    { description: "Simple vertical wheel event by pixels (16.0 - 1) #2",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 0.0, deltaY: 16.0, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 0.0, deltaY: 16.0, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false,  preventDefault: false, detail: 0 },
        vertical:   { expected: true,   preventDefault: false, detail: 1 } },
      MozMousePixelScroll: {
        horizontal: { expected: false,  preventDefault: false, detail: 0 },
        vertical:   { expected: true,   preventDefault: false, detail: 16 } }
    },
    { description: "Simple vertical wheel event by pixels (16.0 - 1) #3",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 0.0, deltaY: 16.0, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 0.0, deltaY: 16.0, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false,  preventDefault: false, detail: 0 },
        vertical:   { expected: true,   preventDefault: false, detail: 1 } },
      MozMousePixelScroll: {
        horizontal: { expected: false,  preventDefault: false, detail: 0 },
        vertical:   { expected: true,   preventDefault: false, detail: 16 } }
    },

    { description: "Simple z-direction wheel event by pixels (16.0 - 1)",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 0.0, deltaY: 0.0, deltaZ: 16.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 0.0, deltaY: 0.0, deltaZ: 16.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false,  preventDefault: false, detail: 0 },
        vertical:   { expected: false,  preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: false,  preventDefault: false, detail: 0 },
        vertical:   { expected: false,  preventDefault: false, detail: 0 } }
    },

    { description: "Simple horizontal wheel event by pixels (-16.0 - -1) #1",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: -16.0, deltaY: 0.0, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: -16.0, deltaY: 0.0, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: -1 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: -16 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } }
    },
    { description: "Simple horizontal wheel event by pixels (-16.0 - -1) #2",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: -16.0, deltaY: 0.0, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: -16.0, deltaY: 0.0, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: -1 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: -16 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } }
    },
    { description: "Simple horizontal wheel event by pixels (-16.0 - -1) #3",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: -16.0, deltaY: 0.0, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: -16.0, deltaY: 0.0, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: -1 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: -16 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } }
    },

    { description: "Simple vertical wheel event by pixels (-16.0 - -1) #1",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 0.0, deltaY: -16.0, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 0.0, deltaY: -16.0, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false,  preventDefault: false, detail: 0 },
        vertical:   { expected: true,   preventDefault: false, detail: -1 } },
      MozMousePixelScroll: {
        horizontal: { expected: false,  preventDefault: false, detail: 0 },
        vertical:   { expected: true,   preventDefault: false, detail: -16 } }
    },
    { description: "Simple vertical wheel event by pixels (-16.0 - -1) #2",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 0.0, deltaY: -16.0, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 0.0, deltaY: -16.0, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false,  preventDefault: false, detail: 0 },
        vertical:   { expected: true,   preventDefault: false, detail: -1 } },
      MozMousePixelScroll: {
        horizontal: { expected: false,  preventDefault: false, detail: 0 },
        vertical:   { expected: true,   preventDefault: false, detail: -16 } }
    },
    { description: "Simple vertical wheel event by pixels (-16.0 - -1) #3",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 0.0, deltaY: -16.0, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 0.0, deltaY: -16.0, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false,  preventDefault: false, detail: 0 },
        vertical:   { expected: true,   preventDefault: false, detail: -1 } },
      MozMousePixelScroll: {
        horizontal: { expected: false,  preventDefault: false, detail: 0 },
        vertical:   { expected: true,   preventDefault: false, detail: -16 } }
    },

    { description: "Simple z-direction wheel event by pixels (-16.0 - -1)",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 0.0, deltaY: 0.0, deltaZ: -16.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 0.0, deltaY: 0.0, deltaZ: -16.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false,  preventDefault: false, detail: 0 },
        vertical:   { expected: false,  preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: false,  preventDefault: false, detail: 0 },
        vertical:   { expected: false,  preventDefault: false, detail: 0 } }
    },

    // 3 scroll events per line, and legacy line scroll will be fired first.
    { description: "Horizontal wheel event by pixels (5.3 - 1) #1",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 5.3, deltaY: 0.0, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 5.3, deltaY: 0.0, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: 1 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: 5 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } }
    },
    { description: "Horizontal wheel event by pixels (5.3 - 0) #2",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 5.3, deltaY: 0.0, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 5.3, deltaY: 0.0, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 1 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: 5 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } }
    },
    { description: "Vertical wheel event by pixels (5.3 - 1) #1",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 0.0, deltaY: 5.3, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 0.0, deltaY: 5.3, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: true,  preventDefault: false, detail: 1 } },
      MozMousePixelScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: true,  preventDefault: false, detail: 5 } }
    },
    { description: "Vertical wheel event by pixels (5.3 - 0) #2",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 0.0, deltaY: 5.3, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 0.0, deltaY: 5.3, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: true,  preventDefault: false, detail: 5 } }
    },
    { description: "Vertical wheel event by pixels (5.3 - 0) #3",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 0.0, deltaY: 5.3, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 0.0, deltaY: 5.3, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: true,  preventDefault: false, detail: 5 } }
    },

    { description: "Horizontal wheel event by pixels (-5.3 - -1) #1",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: -5.3, deltaY: 0.0, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: -5.3, deltaY: 0.0, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: -1 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: -5 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } }
    },
    { description: "Horizontal wheel event by pixels (-5.3 - 0) #2",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: -5.3, deltaY: 0.0, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: -5.3, deltaY: 0.0, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: -5 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } }
    },
    { description: "Horizontal wheel event by pixels (-5.3 - 0) #3",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: -5.3, deltaY: 0.0, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: -5.3, deltaY: 0.0, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: -5 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } }
    },

    { description: "Vertical wheel event by pixels (-5.3 - -1) #1",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 0.0, deltaY: -5.3, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 0.0, deltaY: -5.3, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: true,  preventDefault: false, detail: -1 } },
      MozMousePixelScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: true,  preventDefault: false, detail: -5 } }
    },
    { description: "Vertical wheel event by pixels (-5.3 - 0) #2",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 0.0, deltaY: -5.3, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 0.0, deltaY: -5.3, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: true,  preventDefault: false, detail: -5 } }
    },
    { description: "Vertical wheel event by pixels (-5.3 - 0) #3",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 0.0, deltaY: -5.3, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 0.0, deltaY: -5.3, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: true,  preventDefault: false, detail: -5 } }
    },

    // 3 scroll events per line, and legacy line scroll will be fired last.
    { description: "Horizontal wheel event by pixels (5.3 - 0) #1",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 5.3, deltaY: 0.0, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 5.3, deltaY: 0.0, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: 5 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } }
    },
    { description: "Horizontal wheel event by pixels (5.3 - 0) #2",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 5.3, deltaY: 0.0, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 5.3, deltaY: 0.0, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: 5 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } }
    },
    { description: "Horizontal wheel event by pixels (5.3 - 1) #3",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 5.3, deltaY: 0.0, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 5.3, deltaY: 0.0, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: 1 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: 5 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } }
    },

    { description: "Vertical wheel event by pixels (5.3 - 0) #1",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 0.0, deltaY: 5.3, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 0.0, deltaY: 5.3, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: true,  preventDefault: false, detail: 5 } }
    },
    { description: "Vertical wheel event by pixels (5.3 - 0) #2",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 0.0, deltaY: 5.3, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 0.0, deltaY: 5.3, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: true,  preventDefault: false, detail: 5 } }
    },
    { description: "Vertical wheel event by pixels (5.3 - 1) #3",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 0.0, deltaY: 5.3, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 0.0, deltaY: 5.3, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: true,  preventDefault: false, detail: 1 } },
      MozMousePixelScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: true,  preventDefault: false, detail: 5 } }
    },

    { description: "Horizontal wheel event by pixels (-5.3 - 0) #1",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: -5.3, deltaY: 0.0, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: -5.3, deltaY: 0.0, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: -5 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } }
    },
    { description: "Horizontal wheel event by pixels (-5.3 - 0) #2",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: -5.3, deltaY: 0.0, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: -5.3, deltaY: 0.0, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: -5 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } }
    },
    { description: "Horizontal wheel event by pixels (-5.3 - 1) #3",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: -5.3, deltaY: 0.0, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: -5.3, deltaY: 0.0, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: -1 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: -5 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } }
    },

    { description: "Vertical wheel event by pixels (-5.3 - 0) #1",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 0.0, deltaY: -5.3, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 0.0, deltaY: -5.3, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: true,  preventDefault: false, detail: -5 } }
    },
    { description: "Vertical wheel event by pixels (-5.3 - 0) #2",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 0.0, deltaY: -5.3, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 0.0, deltaY: -5.3, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: true,  preventDefault: false, detail: -5 } }
    },
    { description: "Vertical wheel event by pixels (-5.3 - -1) #3",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 0.0, deltaY: -5.3, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 0.0, deltaY: -5.3, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: true,  preventDefault: false, detail: -1 } },
      MozMousePixelScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: true,  preventDefault: false, detail: -5 } }
    },

    // Oblique scroll.
    { description: "To bottom-right wheel event by pixels (5.3/5.2 - 1/1) #1",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 5.3, deltaY: 5.2, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 1, lineOrPageDeltaY: 1, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 5.3, deltaY: 5.2, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: 1 },
        vertical:   { expected: true,  preventDefault: false, detail: 1 } },
      MozMousePixelScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: 5 },
        vertical:   { expected: true,  preventDefault: false, detail: 5 } }
    },
    { description: "To bottom-right wheel event by pixels (5.3/5.2 - 0/0) #2",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 5.3, deltaY: 5.2, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 5.3, deltaY: 5.2, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: 5 },
        vertical:   { expected: true,  preventDefault: false, detail: 5 } }
    },
    { description: "To bottom-right wheel event by pixels (5.3/5.2 - 0/0) #3",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 5.3, deltaY: 5.2, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 5.3, deltaY: 5.2, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: 5 },
        vertical:   { expected: true,  preventDefault: false, detail: 5 } }
    },

    { description: "To bottom-left wheel event by pixels (-5.3/5.3 - -1/1) #1",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: -5.3, deltaY: 5.3, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: -1, lineOrPageDeltaY: 1, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: -5.3, deltaY: 5.3, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: -1 },
        vertical:   { expected: true,  preventDefault: false, detail:  1 } },
      MozMousePixelScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: -5 },
        vertical:   { expected: true,  preventDefault: false, detail:  5 } }
    },
    { description: "To bottom-left wheel event by pixels (-5.3/5.3 - 0/0) #2",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: -5.3, deltaY: 5.3, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: -5.3, deltaY: 5.3, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false, preventDefault: false, detail:  0 },
        vertical:   { expected: false, preventDefault: false, detail:  0 } },
      MozMousePixelScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: -5 },
        vertical:   { expected: true,  preventDefault: false, detail:  5 } }
    },
    { description: "To bottom-left wheel event by pixels (-5.3/5.3 - 0/0) #3",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: -5.3, deltaY: 5.3, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: -5.3, deltaY: 5.3, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false, preventDefault: false, detail:  0 },
        vertical:   { expected: false, preventDefault: false, detail:  0 } },
      MozMousePixelScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: -5 },
        vertical:   { expected: true,  preventDefault: false, detail:  5 } }
    },

    { description: "To top-left wheel event by pixels (-5.2/-5.3 - -1/-1) #1",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: -5.2, deltaY: -5.3, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: -1, lineOrPageDeltaY: -1, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: -5.2, deltaY: -5.3, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: -1 },
        vertical:   { expected: true,  preventDefault: false, detail: -1 } },
      MozMousePixelScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: -5 },
        vertical:   { expected: true,  preventDefault: false, detail: -5 } }
    },
    { description: "To top-left wheel event by pixels (-5.2/-5.3 - 0/0) #2",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: -5.2, deltaY: -5.3, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: -5.2, deltaY: -5.3, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false, preventDefault: false, detail:  0 },
        vertical:   { expected: false, preventDefault: false, detail:  0 } },
      MozMousePixelScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: -5 },
        vertical:   { expected: true,  preventDefault: false, detail: -5 } }
    },
    { description: "To top-left wheel event by pixels (-5.2/-5.3 - 0/0) #3",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: -5.2, deltaY: -5.3, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: -5.2, deltaY: -5.3, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false, preventDefault: false, detail:  0 },
        vertical:   { expected: false, preventDefault: false, detail:  0 } },
      MozMousePixelScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: -5 },
        vertical:   { expected: true,  preventDefault: false, detail: -5 } }
    },

    { description: "To top-right wheel event by pixels (5.3/-5.3 - 1/-1) #1",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 5.3, deltaY: -5.3, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 1, lineOrPageDeltaY: -1, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 5.3, deltaY: -5.3, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: true,  preventDefault: false, detail:  1 },
        vertical:   { expected: true,  preventDefault: false, detail: -1 } },
      MozMousePixelScroll: {
        horizontal: { expected: true,  preventDefault: false, detail:  5 },
        vertical:   { expected: true,  preventDefault: false, detail: -5 } }
    },
    { description: "To top-right wheel event by pixels (5.3/-5.3 - 0/0) #2",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 5.3, deltaY: -5.3, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isNoLineOrPageDelta: false,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 5.3, deltaY: -5.3, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false, preventDefault: false, detail:  0 },
        vertical:   { expected: false, preventDefault: false, detail:  0 } },
      MozMousePixelScroll: {
        horizontal: { expected: true,  preventDefault: false, detail:  5 },
        vertical:   { expected: true,  preventDefault: false, detail: -5 } }
    },

    // Pixel scroll only device's test. the lineOrPageDelta values should be computed
    // by ESM. When changing the direction for each delta value, it should be
    // reset at that time.
    { description: "Pixel only device's horizontal wheel event by pixels (5.3 - 0) #1",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 5.3, deltaY: 0.0, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isNoLineOrPageDelta: true,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 5.3, deltaY: 0.0, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: 5 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } }
    },
    { description: "Pixel only device's horizontal wheel event by pixels (5.3 - 0) #2",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 5.3, deltaY: 0.0, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isNoLineOrPageDelta: true,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 5.3, deltaY: 0.0, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: 5 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } }
    },
    { description: "Pixel only device's horizontal wheel event by pixels (5.3 - 0) #3",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 5.3, deltaY: 0.0, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isNoLineOrPageDelta: true,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 5.3, deltaY: 0.0, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: 1 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: 5 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } }
    },
    { description: "Pixel only device's Vertical wheel event by pixels (5.3 - 0) #1",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 0.0, deltaY: 5.3, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isNoLineOrPageDelta: true,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 0.0, deltaY: 5.3, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: true,  preventDefault: false, detail: 5 } }
    },
    { description: "Pixel only device's Vertical wheel event by pixels (5.3 - 0) #2",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 0.0, deltaY: 5.3, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isNoLineOrPageDelta: true,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 0.0, deltaY: 5.3, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: true,  preventDefault: false, detail: 5 } }
    },
    { description: "Pixel only device's Vertical wheel event by pixels (5.3 - 0) #3",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 0.0, deltaY: 5.3, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isNoLineOrPageDelta: true,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 0.0, deltaY: 5.3, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: true,  preventDefault: false, detail: 5 } }
    },
    { description: "Pixel only device's Vertical wheel event by pixels (5.3 - 0) #4",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 0.0, deltaY: 1.3, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isNoLineOrPageDelta: true,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 0.0, deltaY: 1.3, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: true,  preventDefault: false, detail: 1 } }
    },
    { description: "Pixel only device's Vertical wheel event by pixels (5.3 - 1) #5",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 0.0, deltaY: 5.3, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isNoLineOrPageDelta: true,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 0.0, deltaY: 5.3, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: true,  preventDefault: false, detail: 1 } },
      MozMousePixelScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: true,  preventDefault: false, detail: 5 } }
    },

    { description: "Pixel only device's horizontal wheel event by pixels (-5.3 - 0) #1",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: -5.3, deltaY: 0.0, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isNoLineOrPageDelta: true,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: -5.3, deltaY: 0.0, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false, preventDefault: false, detail: -1 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: -5 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } }
    },
    { description: "Pixel only device's horizontal wheel event by pixels (-5.3 - 0) #2",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: -5.3, deltaY: 0.0, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isNoLineOrPageDelta: true,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: -5.3, deltaY: 0.0, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: -5 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } }
    },
    { description: "Pixel only device's horizontal wheel event by pixels (-5.3 - 0) #3",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: -5.3, deltaY: 0.0, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isNoLineOrPageDelta: true,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: -5.3, deltaY: 0.0, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: -1 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: -5 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } }
    },

    { description: "Pixel only device's Vertical wheel event by pixels (-5.3 - 0) #1",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 0.0, deltaY: -5.3, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isNoLineOrPageDelta: true,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 0.0, deltaY: -5.3, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: true,  preventDefault: false, detail: -5 } }
    },
    { description: "Pixel only device's Vertical wheel event by pixels (-5.3 - 0) #2",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 0.0, deltaY: -5.3, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isNoLineOrPageDelta: true,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 0.0, deltaY: -5.3, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: true,  preventDefault: false, detail: -5 } }
    },
    { description: "Pixel only device's Vertical wheel event by pixels (-5.3 - 0) #3",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 0.0, deltaY: -5.3, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isNoLineOrPageDelta: true,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 0.0, deltaY: -5.3, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: true,  preventDefault: false, detail: -5 } }
    },
    { description: "Pixel only device's Vertical wheel event by pixels (-5.3 - 0) #4",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 0.0, deltaY: -1.3, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isNoLineOrPageDelta: true,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 0.0, deltaY: -1.3, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: true,  preventDefault: false, detail: -1 } }
    },
    { description: "Pixel only device's Vertical wheel event by pixels (-5.3 - -1) #5",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 0.0, deltaY: -5.3, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isNoLineOrPageDelta: true,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 0.0, deltaY: -5.3, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: true,  preventDefault: false, detail: -1 } },
      MozMousePixelScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: true,  preventDefault: false, detail: -5 } }
    },

    // ESM should reset an accumulated delta value only when the direction of it
    // is changed but shouldn't reset the other delta.
    { description: "Pixel only device's bottom-right wheel event by pixels (5.3/4.9 - 0/0) #1",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 5.3, deltaY: 4.9, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isNoLineOrPageDelta: true,
               isCustomizedByPrefs: false,
               shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
      wheel: {
        expected: true, preventDefault: false,
        deltaX: 5.3, deltaY: 4.9, deltaZ: 0.0
      },
      DOMMouseScroll: {
        horizontal: { expected: false, preventDefault: false, detail: 0 },
        vertical:   { expected: false, preventDefault: false, detail: 0 } },
      MozMousePixelScroll: {
        horizontal: { expected: true,  preventDefault: false, detail: 5 },
        vertical:   { expected: true,  preventDefault: false, detail: 4 } }
    },
    { description: "Pixel only device's bottom-right wheel event by pixels (5.3/4.9 - 0/0) #2",
      event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
               deltaX: 5.3, deltaY: 4.9, deltaZ: 0.0, isMomentum: false,
               lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isNoLineOrPageDelta: true,
               isCustomizedByPrefs: false,
--> --------------------

--> maximum size reached

--> --------------------

Messung V0.5

¤ Dauer der Verarbeitung: 0.21 Sekunden (vorverarbeitet) ¤

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