diff options
Diffstat (limited to 'dom/events/test/window_wheel_default_action.html')
| -rw-r--r-- | dom/events/test/window_wheel_default_action.html | 3621 |
1 files changed, 3621 insertions, 0 deletions
diff --git a/dom/events/test/window_wheel_default_action.html b/dom/events/test/window_wheel_default_action.html new file mode 100644 index 0000000000..31916ad396 --- /dev/null +++ b/dom/events/test/window_wheel_default_action.html @@ -0,0 +1,3621 @@ +<!DOCTYPE HTML> +<html> +<head> + <title>Test for default action of 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> +<p id="display"></p> +<div id="scrollable" style="overflow: auto; width: 200px; height: 200px;"> + <div id="clipper" style="margin: 0; padding: 0; overflow: hidden; width: 3000px; height: 3000px;"> + <div id="scrolled" style="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> +<div id="spacerForBody"></div> +<div id="content" style="display: none"> + +</div> +<pre id="test"> +<script type="application/javascript"> + +// Until the first non-blank paint, the parent will set the opacity of our +// browser to 0 using the 'blank' attribute. +// Until the blank attribute is removed, we can't send scroll events. +SimpleTest.waitForFocus(function() { + let chromeScript = SpecialPowers.loadChromeScript(_ => { + /* eslint-env mozilla/chrome-script */ + let win = Services.wm.getMostRecentWindow("navigator:browser"); + win.requestAnimationFrame(() => { + win.gBrowser.selectedBrowser.removeAttribute("blank"); + win.requestAnimationFrame(() => { + sendAsyncMessage("blank-attribute-removed"); + }); + }); + }); + chromeScript.promiseOneMessage("blank-attribute-removed").then(() => { + chromeScript.destroy(); + runTests(); + }); +}, window); + +SimpleTest.requestLongerTimeout(6); +SimpleTest.requestFlakyTimeout("untriaged"); + +var winUtils = SpecialPowers.getDOMWindowUtils(window); +// grab refresh driver +winUtils.advanceTimeAndRefresh(100); + +var gScrollableElement = document.getElementById("scrollable"); +var gScrolledElement = document.getElementById("scrolled"); +var gSpacerForBodyElement = document.getElementById("spacerForBody"); + +const kDefaultActionNone = 0; +const kDefaultActionScroll = 1; +const kDefaultActionHistory = 2; +const kDefaultActionZoom = 3; +const kDefaultActionHorizontalizedScroll = 4; + +const kDefaultActionOverrideXNoOverride = -1; +const kDefaultActionOverrideXNone = kDefaultActionNone; +const kDefaultActionOverrideXScroll = kDefaultActionScroll; +const kDefaultActionOverrideXHistory = kDefaultActionHistory; +const kDefaultActionOverrideXZoom = kDefaultActionZoom; + +// We sometimes rely on the scroll position not getting preserved across tests. +function resetScrollPosition(element) { + element.style.display = "none"; + element.offsetTop; + element.style.display = ""; +} + +function is() +{ + window.opener.is.apply(window.opener, arguments); +} + +function ok() +{ + window.opener.ok.apply(window.opener, arguments); +} + +function sendWheelAndWait(aX, aY, aEvent, aCallback) +{ + sendWheelAndPaint(gScrollableElement, aX, aY, aEvent, aCallback); +} + +function hitEventLoop(aFunc, aTimes) +{ + winUtils.advanceTimeAndRefresh(100); + + if (--aTimes) { + setTimeout(hitEventLoop, 0, aFunc, aTimes); + } else { + setTimeout(aFunc, 20); + } +} + +function onZoomReset(aCallback) { + var fullZoom = SpecialPowers.getFullZoom(window); + if (fullZoom == 1) { + SimpleTest.executeSoon(aCallback); + return; + } + // Zoom causes a resize of the viewport. + window.addEventListener("resize", function onResize(event) { + is(SpecialPowers.getFullZoom(window), 1, "Zoom should be reset to 1"); + window.removeEventListener("resize", onResize); + SimpleTest.executeSoon(aCallback); + }); +} + +function setDeltaMultiplierSettings(aSettings, aCallback) +{ + SpecialPowers.pushPrefEnv({"set": [ + ["mousewheel.default.delta_multiplier_x", aSettings.deltaMultiplierX * 100], + ["mousewheel.default.delta_multiplier_y", aSettings.deltaMultiplierY * 100], + ["mousewheel.default.delta_multiplier_z", aSettings.deltaMultiplierZ * 100], + ["mousewheel.with_alt.delta_multiplier_x", aSettings.deltaMultiplierX * 100], + ["mousewheel.with_alt.delta_multiplier_y", aSettings.deltaMultiplierY * 100], + ["mousewheel.with_alt.delta_multiplier_z", aSettings.deltaMultiplierZ * 100], + ["mousewheel.with_control.delta_multiplier_x", aSettings.deltaMultiplierX * 100], + ["mousewheel.with_control.delta_multiplier_y", aSettings.deltaMultiplierY * 100], + ["mousewheel.with_control.delta_multiplier_z", aSettings.deltaMultiplierZ * 100], + ["mousewheel.with_meta.delta_multiplier_x", aSettings.deltaMultiplierX * 100], + ["mousewheel.with_meta.delta_multiplier_y", aSettings.deltaMultiplierY * 100], + ["mousewheel.with_meta.delta_multiplier_z", aSettings.deltaMultiplierZ * 100], + ["mousewheel.with_shift.delta_multiplier_x", aSettings.deltaMultiplierX * 100], + ["mousewheel.with_shift.delta_multiplier_y", aSettings.deltaMultiplierY * 100], + ["mousewheel.with_shift.delta_multiplier_z", aSettings.deltaMultiplierZ * 100], + ["mousewheel.with_win.delta_multiplier_x", aSettings.deltaMultiplierX * 100], + ["mousewheel.with_win.delta_multiplier_y", aSettings.deltaMultiplierY * 100], + ["mousewheel.with_win.delta_multiplier_z", aSettings.deltaMultiplierZ * 100] + ]}, aCallback); +} + +function doTestScroll(aSettings, aCallback) +{ + const kNoScroll = 0x00; + const kScrollUp = 0x01; + const kScrollDown = 0x02; + const kScrollLeft = 0x04; + const kScrollRight = 0x08; + + const kTests = [ + { description: "Scroll to bottom by pixel scroll even if lineOrPageDelta is 0", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollDown }, + { description: "Scroll to bottom by pixel scroll when lineOrPageDelta is 1", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollDown }, + { description: "Scroll to top by pixel scroll even if lineOrPageDelta is 0", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollUp }, + { description: "Scroll to top by pixel scroll when lineOrPageDelta is -1", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollUp }, + { description: "Scroll to right by pixel scroll even if lineOrPageDelta is 0", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollRight }, + { description: "Scroll to right by pixel scroll when lineOrPageDelta is 1", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollRight }, + { description: "Scroll to left by pixel scroll even if lineOrPageDelta is 0", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollLeft }, + { description: "Scroll to left by pixel scroll when lineOrPageDelta is -1", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollLeft }, + { description: "Scroll to bottom-right by pixel scroll", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 8.0, deltaY: 8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollDown | kScrollRight }, + { description: "Scroll to bottom-left by pixel scroll", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: -8.0, deltaY: 8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollDown | kScrollLeft }, + { description: "Scroll to top-left by pixel scroll", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: -8.0, deltaY: -8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollUp | kScrollLeft }, + { description: "Scroll to top-right by pixel scroll", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 8.0, deltaY: -8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollUp | kScrollRight }, + { description: "Not Scroll by pixel scroll for z", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kNoScroll }, + + { description: "Scroll to bottom by line scroll even if lineOrPageDelta is 0", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollDown }, + { description: "Scroll to bottom by line scroll when lineOrPageDelta is 1", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollDown }, + { description: "Scroll to top by line scroll even if lineOrPageDelta is 0", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollUp }, + { description: "Scroll to top by line scroll when lineOrPageDelta is -1", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollUp }, + { description: "Scroll to right by line scroll even if lineOrPageDelta is 0", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollRight }, + { description: "Scroll to right by line scroll when lineOrPageDelta is 1", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollRight }, + { description: "Scroll to left by line scroll even if lineOrPageDelta is 0", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollLeft }, + { description: "Scroll to left by line scroll when lineOrPageDelta is -1", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollLeft }, + { description: "Scroll to bottom-right by line scroll", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.5, deltaY: 0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollDown | kScrollRight }, + { description: "Scroll to bottom-left by line scroll", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: -0.5, deltaY: 0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollDown | kScrollLeft }, + { description: "Scroll to top-left by line scroll", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: -0.5, deltaY: -0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollUp | kScrollLeft }, + { description: "Scroll to top-right by line scroll", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.5, deltaY: -0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollUp | kScrollRight }, + { description: "Not Scroll by line scroll for z", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kNoScroll }, + + { description: "Scroll to bottom by page scroll even if lineOrPageDelta is 0", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollDown }, + { description: "Scroll to bottom by page scroll when lineOrPageDelta is 1", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollDown }, + { description: "Scroll to top by page scroll even if lineOrPageDelta is 0", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollUp }, + { description: "Scroll to top by page scroll when lineOrPageDelta is -1", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollUp }, + { description: "Scroll to right by page scroll even if lineOrPageDelta is 0", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollRight }, + { description: "Scroll to right by page scroll when lineOrPageDelta is 1", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollRight }, + { description: "Scroll to left by page scroll even if lineOrPageDelta is 0", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollLeft }, + { description: "Scroll to left by page scroll when lineOrPageDelta is -1", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollLeft }, + { description: "Scroll to bottom-right by page scroll", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.5, deltaY: 0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollDown | kScrollRight }, + { description: "Scroll to bottom-left by page scroll", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: -0.5, deltaY: 0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollDown | kScrollLeft }, + { description: "Scroll to top-left by page scroll", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: -0.5, deltaY: -0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollUp | kScrollLeft }, + { description: "Scroll to top-right by page scroll", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.5, deltaY: -0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollUp | kScrollRight }, + { description: "Not Scroll by page scroll for z", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kNoScroll }, + + // special cases. + + // momentum scroll should cause scroll even if the action is zoom, but if the default action is none, + // shouldn't do it. + { description: "Scroll to bottom by momentum pixel scroll when lineOrPageDelta is 0, even if the action is zoom", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: true, altKey: false, metaKey: false, osKey: false }, + expected: kScrollDown }, + { description: "Scroll to bottom by momentum pixel scroll when lineOrPageDelta is 1, even if the action is zoom", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: true, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: true, altKey: false, metaKey: false, osKey: false }, + expected: kScrollDown }, + { description: "Scroll to top by momentum pixel scroll when lineOrPageDelta is 0, even if the action is zoom", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: true, altKey: false, metaKey: false, osKey: false }, + expected: kScrollUp }, + { description: "Scroll to top by momentum pixel scroll when lineOrPageDelta is -1, even if the action is zoom", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: true, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: true, altKey: false, metaKey: false, osKey: false }, + expected: kScrollUp }, + { description: "Scroll to right by momentum pixel scroll when lineOrPageDelta is 0, even if the action is zoom", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: true, altKey: false, metaKey: false, osKey: false }, + expected: kScrollRight }, + { description: "Scroll to right by momentum pixel scroll when lineOrPageDelta is 1, even if the action is zoom", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: true, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: true, altKey: false, metaKey: false, osKey: false }, + expected: kScrollRight }, + { description: "Scroll to left by momentum pixel scroll when lineOrPageDelta is 0, even if the action is zoom", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: true, altKey: false, metaKey: false, osKey: false }, + expected: kScrollLeft }, + { description: "Scroll to left by momentum pixel scroll when lineOrPageDelta is -1, even if the action is zoom", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: true, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: true, altKey: false, metaKey: false, osKey: false }, + expected: kScrollLeft }, + { description: "Scroll to bottom-right by momentum pixel scroll even if the action is zoom", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 8.0, deltaY: 8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: true, altKey: false, metaKey: false, osKey: false }, + expected: kScrollDown | kScrollRight }, + { description: "Scroll to bottom-left by momentum pixel scroll even if the action is zoom", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: -8.0, deltaY: 8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: true, altKey: false, metaKey: false, osKey: false }, + expected: kScrollDown | kScrollLeft }, + { description: "Scroll to top-left by momentum pixel scroll even if the action is zoom", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: -8.0, deltaY: -8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: true, altKey: false, metaKey: false, osKey: false }, + expected: kScrollUp | kScrollLeft }, + { description: "Scroll to top-right by momentum pixel scroll even if the action is zoom", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 8.0, deltaY: -8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: true, altKey: false, metaKey: false, osKey: false }, + expected: kScrollUp | kScrollRight }, + { description: "Not Scroll by momentum pixel scroll for z (action is zoom)", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: true, altKey: false, metaKey: false, osKey: false }, + expected: kNoScroll }, + { description: "Not Scroll by momentum pixel scroll if default action is none (action is zoom)", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: true, altKey: false, metaKey: false, osKey: false }, + expected: kNoScroll, + prepare (cb) { SpecialPowers.pushPrefEnv({"set": [["mousewheel.default.action", 0]]}, cb); }, + cleanup (cb) { SpecialPowers.pushPrefEnv({"set": [["mousewheel.default.action", 1]]}, cb); } }, + + // momentum scroll should cause scroll even if the action is history, but if the default action is none, + // shouldn't do it. + { description: "Scroll to bottom by momentum pixel scroll when lineOrPageDelta is 0, even if the action is history", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: true, metaKey: false, osKey: false }, + expected: kScrollDown }, + { description: "Scroll to bottom by momentum pixel scroll when lineOrPageDelta is 1, even if the action is history", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: true, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: true, metaKey: false, osKey: false }, + expected: kScrollDown }, + { description: "Scroll to top by momentum pixel scroll when lineOrPageDelta is 0, even if the action is history", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: true, metaKey: false, osKey: false }, + expected: kScrollUp }, + { description: "Scroll to top by momentum pixel scroll when lineOrPageDelta is -1, even if the action is history", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: true, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: true, metaKey: false, osKey: false }, + expected: kScrollUp }, + { description: "Scroll to right by momentum pixel scroll when lineOrPageDelta is 0, even if the action is history", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: true, metaKey: false, osKey: false }, + expected: kScrollRight }, + { description: "Scroll to right by momentum pixel scroll when lineOrPageDelta is 1, even if the action is history", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: true, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: true, metaKey: false, osKey: false }, + expected: kScrollRight }, + { description: "Scroll to left by momentum pixel scroll when lineOrPageDelta is 0, even if the action is history", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: true, metaKey: false, osKey: false }, + expected: kScrollLeft }, + { description: "Scroll to left by momentum pixel scroll when lineOrPageDelta is -1, even if the action is history", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: true, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: true, metaKey: false, osKey: false }, + expected: kScrollLeft }, + { description: "Scroll to bottom-right by momentum pixel scroll even if the action is history", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 8.0, deltaY: 8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: true, metaKey: false, osKey: false }, + expected: kScrollDown | kScrollRight }, + { description: "Scroll to bottom-left by momentum pixel scroll even if the action is history", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: -8.0, deltaY: 8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: true, metaKey: false, osKey: false }, + expected: kScrollDown | kScrollLeft }, + { description: "Scroll to top-left by momentum pixel scroll even if the action is history", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: -8.0, deltaY: -8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: true, metaKey: false, osKey: false }, + expected: kScrollUp | kScrollLeft }, + { description: "Scroll to top-right by momentum pixel scroll even if the action is history", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 8.0, deltaY: -8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: true, metaKey: false, osKey: false }, + expected: kScrollUp | kScrollRight }, + { description: "Not Scroll by momentum pixel scroll for z (action is history)", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: true, metaKey: false, osKey: false }, + expected: kNoScroll }, + { description: "Not Scroll by momentum pixel scroll if default action is none (action is history)", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: true, metaKey: false, osKey: false }, + expected: kNoScroll, + prepare (cb) { SpecialPowers.pushPrefEnv({"set": [["mousewheel.default.action", 0]]}, cb); }, + cleanup (cb) { SpecialPowers.pushPrefEnv({"set": [["mousewheel.default.action", 1]]}, cb); } }, + + // Don't scroll along axis whose overflow style is hidden. + { description: "Scroll to only bottom by oblique pixel wheel event with overflow-x: hidden", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 16.0, deltaY: 16.0, deltaZ: 0.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 1, + expectedOverflowDeltaX: 1, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollDown, + prepare(cb) { gScrollableElement.style.overflowX = "hidden"; cb(); } }, + { description: "Scroll to only bottom by oblique line wheel event with overflow-x: hidden", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 1.0, deltaY: 1.0, deltaZ: 0.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 1, + expectedOverflowDeltaX: 1, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollDown }, + { description: "Scroll to only bottom by oblique page wheel event with overflow-x: hidden", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 1.0, deltaY: 1.0, deltaZ: 0.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 1, + expectedOverflowDeltaX: 1, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollDown }, + { description: "Scroll to only top by oblique pixel wheel event with overflow-x: hidden", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: -16.0, deltaY: -16.0, deltaZ: 0.0, + lineOrPageDeltaX: -1, lineOrPageDeltaY: -1, + expectedOverflowDeltaX: -1, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollUp }, + { description: "Scroll to only top by oblique line wheel event with overflow-x: hidden", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: -1.0, deltaY: -1.0, deltaZ: 0.0, + lineOrPageDeltaX: -1, lineOrPageDeltaY: -1, + expectedOverflowDeltaX: -1, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollUp }, + { description: "Scroll to only top by oblique page wheel event with overflow-x: hidden", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: -1.0, deltaY: -1.0, deltaZ: 0.0, + lineOrPageDeltaX: -1, lineOrPageDeltaY: -1, + expectedOverflowDeltaX: -1, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollUp, + cleanup (cb) { gScrollableElement.style.overflowX = "auto"; cb(); } }, + { description: "Scroll to only right by oblique pixel wheel event with overflow-y: hidden", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 16.0, deltaY: 16.0, deltaZ: 0.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 1, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 1, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollRight, + prepare(cb) { gScrollableElement.style.overflowY = "hidden"; cb(); } }, + { description: "Scroll to only right by oblique line wheel event with overflow-y: hidden", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 1.0, deltaY: 1.0, deltaZ: 0.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 1, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 1, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollRight }, + { description: "Scroll to only right by oblique page wheel event with overflow-y: hidden", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 1.0, deltaY: 1.0, deltaZ: 0.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 1, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 1, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollRight }, + { description: "Scroll to only left by oblique pixel wheel event with overflow-y: hidden", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: -16.0, deltaY: -16.0, deltaZ: 0.0, + lineOrPageDeltaX: -1, lineOrPageDeltaY: -1, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: -1, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollLeft }, + { description: "Scroll to only top by oblique line wheel event with overflow-y: hidden", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: -1.0, deltaY: -1.0, deltaZ: 0.0, + lineOrPageDeltaX: -1, lineOrPageDeltaY: -1, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: -1, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollLeft }, + { description: "Scroll to only top by oblique page wheel event with overflow-y: hidden", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: -1.0, deltaY: -1.0, deltaZ: 0.0, + lineOrPageDeltaX: -1, lineOrPageDeltaY: -1, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: -1, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollLeft, + cleanup (cb) { gScrollableElement.style.overflowY = "auto"; cb(); } }, + { description: "Don't be scrolled by oblique pixel wheel event with overflow: hidden", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 16.0, deltaY: 16.0, deltaZ: 0.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 1, + expectedOverflowDeltaX: 1, expectedOverflowDeltaY: 1, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kNoScroll, + prepare(cb) { gScrollableElement.style.overflow = "hidden"; cb(); } }, + { description: "Don't be scrolled by oblique line wheel event with overflow: hidden", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 1.0, deltaY: 1.0, deltaZ: 0.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 1, + expectedOverflowDeltaX: 1, expectedOverflowDeltaY: 1, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kNoScroll }, + { description: "Don't be scrolled by oblique page wheel event with overflow: hidden", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 1.0, deltaY: 1.0, deltaZ: 0.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 1, + expectedOverflowDeltaX: 1, expectedOverflowDeltaY: 1, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kNoScroll }, + { description: "Don't be scrolled by oblique pixel wheel event with overflow: hidden", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: -16.0, deltaY: -16.0, deltaZ: 0.0, + lineOrPageDeltaX: -1, lineOrPageDeltaY: -1, + expectedOverflowDeltaX: -1, expectedOverflowDeltaY: -1, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kNoScroll }, + { description: "Don't be scrolled by oblique line wheel event with overflow: hidden", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: -1.0, deltaY: -1.0, deltaZ: 0.0, + lineOrPageDeltaX: -1, lineOrPageDeltaY: -1, + expectedOverflowDeltaX: -1, expectedOverflowDeltaY: -1, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kNoScroll }, + { description: "Don't be scrolled by oblique page wheel event with overflow: hidden", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: -1.0, deltaY: -1.0, deltaZ: 0.0, + lineOrPageDeltaX: -1, lineOrPageDeltaY: -1, + expectedOverflowDeltaX: -1, expectedOverflowDeltaY: -1, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kNoScroll, + cleanup (cb) { gScrollableElement.style.overflow = "auto"; cb(); } }, + + // Don't scroll along axis whose overflow style is hidden and overflow delta values should + // be zero if there is ancestor scrollable element. + { description: "Scroll to only bottom by oblique pixel wheel event with overflow-x: hidden (body is scrollable)", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 16.0, deltaY: 16.0, deltaZ: 0.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 1, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollDown, + prepare(cb) { + gScrollableElement.style.overflowX = "hidden"; + gScrollableElement.style.position = "fixed"; + gScrollableElement.style.top = "30px"; + gScrollableElement.style.left = "30px"; + // Make body element scrollable. + gSpacerForBodyElement.style.width = "5000px"; + gSpacerForBodyElement.style.height = "5000px"; + document.documentElement.scrollTop = 500; + document.documentElement.scrollLeft = 500; + cb(); + } }, + { description: "Scroll to only bottom by oblique line wheel event with overflow-x: hidden (body is scrollable)", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 1.0, deltaY: 1.0, deltaZ: 0.0, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollDown }, + { description: "Scroll to only bottom by oblique page wheel event with overflow-x: hidden (body is scrollable)", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 1.0, deltaY: 1.0, deltaZ: 0.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 1, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollDown }, + { description: "Scroll to only top by oblique pixel wheel event with overflow-x: hidden (body is scrollable)", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: -16.0, deltaY: -16.0, deltaZ: 0.0, + lineOrPageDeltaX: -1, lineOrPageDeltaY: -1, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollUp }, + { description: "Scroll to only top by oblique line wheel event with overflow-x: hidden (body is scrollable)", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: -1.0, deltaY: -1.0, deltaZ: 0.0, + lineOrPageDeltaX: -1, lineOrPageDeltaY: -1, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollUp }, + { description: "Scroll to only top by oblique page wheel event with overflow-x: hidden (body is scrollable)", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: -1.0, deltaY: -1.0, deltaZ: 0.0, + lineOrPageDeltaX: -1, lineOrPageDeltaY: -1, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollUp, + cleanup (cb) { gScrollableElement.style.overflowX = "auto"; cb(); } }, + { description: "Scroll to only right by oblique pixel wheel event with overflow-y: hidden (body is scrollable)", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 16.0, deltaY: 16.0, deltaZ: 0.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 1, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollRight, + prepare(cb) { gScrollableElement.style.overflowY = "hidden"; cb(); } }, + { description: "Scroll to only right by oblique line wheel event with overflow-y: hidden (body is scrollable)", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 1.0, deltaY: 1.0, deltaZ: 0.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 1, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollRight }, + { description: "Scroll to only right by oblique page wheel event with overflow-y: hidden (body is scrollable)", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 1.0, deltaY: 1.0, deltaZ: 0.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 1, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollRight }, + { description: "Scroll to only left by oblique pixel wheel event with overflow-y: hidden (body is scrollable)", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: -16.0, deltaY: -16.0, deltaZ: 0.0, + lineOrPageDeltaX: -1, lineOrPageDeltaY: -1, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollLeft }, + { description: "Scroll to only top by oblique line wheel event with overflow-y: hidden (body is scrollable)", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: -1.0, deltaY: -1.0, deltaZ: 0.0, + lineOrPageDeltaX: -1, lineOrPageDeltaY: -1, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollLeft }, + { description: "Scroll to only top by oblique page wheel event with overflow-y: hidden (body is scrollable)", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: -1.0, deltaY: -1.0, deltaZ: 0.0, + lineOrPageDeltaX: -1, lineOrPageDeltaY: -1, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollLeft, + cleanup (cb) { + gScrollableElement.style.overflowY = "auto"; + gScrollableElement.style.position = "static"; + gSpacerForBodyElement.style.width = ""; + gSpacerForBodyElement.style.height = ""; + cb(); + } }, + ]; + + var description; + + var currentTestIndex = -1; + var isXReverted = (aSettings.deltaMultiplierX < 0); + var isYReverted = (aSettings.deltaMultiplierY < 0); + + function doNextTest() + { + if (++currentTestIndex >= kTests.length) { + SimpleTest.executeSoon(aCallback); + return; + } + + gScrollableElement.scrollTop = 1000; + gScrollableElement.scrollLeft = 1000; + + var currentTest = kTests[currentTestIndex]; + description = "doTestScroll(aSettings=" + aSettings.description + "), " + currentTest.description + ": "; + if (currentTest.prepare) { + // prepare() can make changes to a page such as + // changing the 'overflow' property which requires + // a repaint to take effect before sending + // scroll-wheel events. + currentTest.prepare(doWaitForPaintsAndScroll); + } else { + doTestCurrentScroll(); + } + } + + function doWaitForPaintsAndScroll() { + waitForAllPaintsFlushed(doTestCurrentScroll); + } + + function doTestCurrentScroll() { + var currentTest = kTests[currentTestIndex]; + sendWheelAndWait(10, 10, currentTest.event, function () { + if (currentTest.expected == kNoScroll) { + is(gScrollableElement.scrollTop, 1000, description + "scrolled vertical"); + is(gScrollableElement.scrollLeft, 1000, description + "scrolled horizontal"); + } else { + var scrollUp = !isYReverted ? (currentTest.expected & kScrollUp) : + (currentTest.expected & kScrollDown); + var scrollDown = !isYReverted ? (currentTest.expected & kScrollDown) : + (currentTest.expected & kScrollUp); + if (scrollUp) { + ok(gScrollableElement.scrollTop < 1000, description + "not scrolled up, got " + gScrollableElement.scrollTop); + } else if (scrollDown) { + ok(gScrollableElement.scrollTop > 1000, description + "not scrolled down, got " + gScrollableElement.scrollTop); + } else { + is(gScrollableElement.scrollTop, 1000, description + "scrolled vertical"); + } + var scrollLeft = !isXReverted ? (currentTest.expected & kScrollLeft) : + (currentTest.expected & kScrollRight); + var scrollRight = !isXReverted ? (currentTest.expected & kScrollRight) : + (currentTest.expected & kScrollLeft); + if (scrollLeft) { + ok(gScrollableElement.scrollLeft < 1000, description + "not scrolled to left, got " + gScrollableElement.scrollLeft); + } else if (scrollRight) { + ok(gScrollableElement.scrollLeft > 1000, description + "not scrolled to right, got " + gScrollableElement.scrollLeft); + } else { + is(gScrollableElement.scrollLeft, 1000, description + "scrolled horizontal"); + } + } + if (currentTest.cleanup) { + currentTest.cleanup(nextStep); + } else { + nextStep(); + } + + function nextStep() { + winUtils.advanceTimeAndRefresh(100); + doNextTest(); + } + }); + } + doNextTest(); +} + +function doTestHorizontalizedScroll(aSettings, aCallback) +{ + const kNoScroll = 0x00; + const kScrollLeft = 0x01; + const kScrollRight = 0x02; + + const kTests = [ + { description: "Scroll to right by pixel scroll even if lineOrPageDelta is 0", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollRight }, + { description: "Scroll to right by pixel scroll when lineOrPageDelta is 1", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollRight }, + { description: "Scroll to left by pixel scroll even if lineOrPageDelta is 0", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollLeft }, + { description: "Scroll to left by pixel scroll when lineOrPageDelta is -1", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollLeft }, + { description: "Don't scroll by deltaX (pixel scroll, lineOrPageDelta is 0)", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kNoScroll }, + { description: "Don't scroll by deltaX (pixel scroll, lineOrPageDelta is 1)", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kNoScroll }, + { description: "Don't scroll by negative deltaX (pixel scroll, lineOrPageDelta is 0)", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kNoScroll }, + { description: "Don't scroll by negative deltaX (pixel scroll, lineOrPageDelta is -1)", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kNoScroll }, + { description: "Scroll only to right by diagonal pixel scroll (to bottom-right)", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 8.0, deltaY: 8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollRight }, + { description: "Scroll only to right by diagonal pixel scroll (to bottom-left)", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: -8.0, deltaY: 8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollRight }, + { description: "Scroll only to left by diagonal pixel scroll (to top-left)", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: -8.0, deltaY: -8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollLeft }, + { description: "Scroll only to left by pixel scroll (to bottom-right)", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 8.0, deltaY: -8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollLeft }, + { description: "Don't scroll by pixel scroll for z-axis", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kNoScroll }, + + { description: "Scroll to right by line scroll even if lineOrPageDelta is 0", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollRight }, + { description: "Scroll to right by line scroll when lineOrPageDelta is 1", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollRight }, + { description: "Scroll to left by line scroll even if lineOrPageDelta is 0", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollLeft }, + { description: "Scroll to left by line scroll when lineOrPageDelta is -1", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollLeft }, + { description: "Don't scroll by deltaX (line scroll, lineOrPageDelta is 0)", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kNoScroll }, + { description: "Don't scroll by deltaX (line scroll, lineOrPageDelta is 1)", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kNoScroll }, + { description: "Don't scroll by negative deltaX (line scroll, lineOrPageDelta is 0)", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kNoScroll }, + { description: "Don't scroll by negative deltaY (line scroll, lineOrPageDelta is -1)", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kNoScroll }, + { description: "Scroll only to right by diagonal line scroll (to bottom-right)", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.5, deltaY: 0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollRight }, + { description: "Scroll only to right by diagonal line scroll (to bottom-left)", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: -0.5, deltaY: 0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollRight }, + { description: "Scroll only to left by diagonal line scroll (to top-left)", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: -0.5, deltaY: -0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollLeft }, + { description: "Scroll only to left by line scroll (to top-right)", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.5, deltaY: -0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollLeft }, + { description: "Don't scroll by line scroll for z-axis", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kNoScroll }, + + { description: "Scroll to right by page scroll even if lineOrPageDelta is 0", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollRight }, + { description: "Scroll to right by page scroll when lineOrPageDelta is 1", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollRight }, + { description: "Scroll to left by page scroll even if lineOrPageDelta is 0", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollLeft }, + { description: "Scroll to left by page scroll when lineOrPageDelta is -1", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollLeft }, + { description: "Don't scroll by deltaX (page scroll, lineOrPageDelta is 0)", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kNoScroll }, + { description: "Don't scroll by deltaX (page scroll, lineOrPageDelta is 1)", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kNoScroll }, + { description: "Don't scroll by deltaX (page scroll, lineOrPageDelta is 0)", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kNoScroll }, + { description: "Don't scroll by deltaX (page scroll, lineOrPageDelta is -1)", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kNoScroll }, + { description: "Scroll only to right by diagonal page scroll (to bottom-right)", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.5, deltaY: 0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollRight }, + { description: "Scroll only to right by diagonal page scroll (to bottom-left)", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: -0.5, deltaY: 0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollRight }, + { description: "Scroll only to left by diagonal page scroll (to top-left)", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: -0.5, deltaY: -0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollLeft }, + { description: "Scroll only to left by diagonal page scroll (to top-right)", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.5, deltaY: -0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kScrollLeft }, + { description: "Don't scroll by page scroll for z-axis", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + expected: kNoScroll }, + ]; + + var description; + + var currentTestIndex = -1; + // deltaY should cause horizontal scroll and affected by deltaMultiplierY. + // So, horizontal scroll amount and direction is affected by deltaMultiplierY. + var isXReverted = (aSettings.deltaMultiplierY < 0); + + function doNextTest() + { + if (++currentTestIndex >= kTests.length) { + SimpleTest.executeSoon(aCallback); + return; + } + + gScrollableElement.scrollTop = 1000; + gScrollableElement.scrollLeft = 1000; + + var currentTest = kTests[currentTestIndex]; + description = "doTestHorizontalizedScroll(aSettings=" + aSettings.description + "), " + currentTest.description + ": "; + if (currentTest.prepare) { + currentTest.prepare(doTestCurrentScroll); + } else { + doTestCurrentScroll(); + } + } + + function doTestCurrentScroll() { + var currentTest = kTests[currentTestIndex]; + sendWheelAndWait(10, 10, currentTest.event, function () { + is(gScrollableElement.scrollTop, 1000, description + "scrolled vertical"); + if (currentTest.expected == kNoScroll) { + is(gScrollableElement.scrollLeft, 1000, description + "scrolled horizontal"); + } else { + var scrollLeft = !isXReverted ? (currentTest.expected & kScrollLeft) : + (currentTest.expected & kScrollRight); + var scrollRight = !isXReverted ? (currentTest.expected & kScrollRight) : + (currentTest.expected & kScrollLeft); + if (scrollLeft) { + ok(gScrollableElement.scrollLeft < 1000, description + "not scrolled to left, got " + gScrollableElement.scrollLeft); + } else if (scrollRight) { + ok(gScrollableElement.scrollLeft > 1000, description + "not scrolled to right, got " + gScrollableElement.scrollLeft); + } else { + is(gScrollableElement.scrollLeft, 1000, description + "scrolled horizontal"); + } + } + if (currentTest.cleanup) { + currentTest.cleanup(nextStep); + } else { + nextStep(); + } + + function nextStep() { + winUtils.advanceTimeAndRefresh(100); + doNextTest(); + } + }); + } + doNextTest(); +} + +// It will take *freaking* long time(maybe *hours*) to test all the writing mode +// combinations for the scroll target and its root, because there are altogether +// *one hundred* combinations (10 x 10)! +// +// So unless you really don't care a snap on time-consuming testing or a strict +// criteria is required for testing, it is strongly recommeneded that you +// comment out at least the writing modes which are marked as "peculiar" before +// running this test, you are encouraged to also comment out those "uncommon" +// writing modes in order to further shorten testing time. +// +// Note that if you are going to run time-consuming tests without commenting out +// most of the writing modes, don't forget to increase the value of the +// parameter in SimpleTest.requestLongerTimeout in this file; otherwise it'll +// most likely lead you to a timed-out failure. +// +// Also note that |isBTT| has nothing to do with the behaviour of auto-dir +// scrolling, it's just used to set the sign of |kOrigScrollTop|. +const kWritingModes = [ + { + isRTL: true, + isBTT: false, + styles: [ + { + writingMode: "horizontal-tb", + direction: "rtl", + }, + { + writingMode: "vertical-rl", + direction: "ltr", + }, + // uncommon + //{ + // writingMode: "sideways-rl", + // direction: "ltr", + //}, + ], + }, + { + isRTL: false, + isBTT: false, + styles: [ + { + writingMode: "horizontal-tb", + direction: "ltr", + }, + // uncommon + //{ + // writingMode: "vertical-lr", + // direction: "ltr", + //}, + // uncommon + //{ + // writingMode: "sideways-lr", + // direction: "ltr", + //}, + ], + }, + { + isRTL: true, + isBTT: true, + styles: [ + // peculiar + //{ + // writingMode: "vertical-rl", + // direction: "rtl", + //}, + // peculiar + //{ + // writingMode: "sideways-rl", + // direction: "rtl", + //}, + ], + }, + { + isRTL: false, + isBTT: true, + styles: [ + // peculiar + //{ + // writingMode: "vertical-lr", + // direction: "rtl", + //}, + // peculiar + //{ + // writingMode: "sideways-lr", + // direction: "rtl", + //}, + ], + }, +]; + +function getFirstWritingModeStyle() +{ + if (kWritingModes.length < 1) { + return false; + } + let typeIndex = 0; + while (!kWritingModes[typeIndex].styles.length) { + typeIndex++; + if (typeIndex >= kWritingModes.length) { + return false; + } + } + return {typeIndex, styleIndex: 0}; +} + +function getNextWritingModeStyle(curStyle) +{ + let typeIndex = curStyle.typeIndex; + let styleIndex = curStyle.styleIndex + 1; + while (typeIndex < kWritingModes.length) { + if (styleIndex < kWritingModes[typeIndex].styles.length) { + return {typeIndex, styleIndex}; + } + typeIndex++; + styleIndex = 0; + } + return false; +} + +function doTestAutoDirScroll(aSettings, aAutoDirTrait, aCallback) +{ + // Go through all the writing-mode combinations for the scroll target and its + // root. + + let firstStyle = getFirstWritingModeStyle(); + if (!firstStyle) { + // The whole writing mode list is empty, no need to do any test for auto-dir + // scrolling. Go ahead with the subsequent tests. + SimpleTest.executeSoon(aCallback); + return; + } + + // Begin with the first style for both the root and the scroll target. + // doTestAutoDirScroll2 will recursively call itself back for every + // style combination with getNextWritingModeStyle until all combinations have + // been enumerated, and then it will call SimpleTest.executeSoon(aCallback). + doTestAutoDirScroll2(aSettings, aAutoDirTrait, + firstStyle, firstStyle, + aCallback); +} + +function doTestAutoDirScroll2(aSettings, aAutoDirTrait, + aStyleForRoot, aStyleForTarget, + aCallback) +{ + const kStyleTypeForRoot = kWritingModes[aStyleForRoot.typeIndex]; + const kStyleTypeForTarget = kWritingModes[aStyleForTarget.typeIndex]; + + const kStyleForRoot = kStyleTypeForRoot.styles[aStyleForRoot.styleIndex]; + const kStyleForTarget = kStyleTypeForTarget.styles[aStyleForTarget.styleIndex]; + + const kIsRootRTL = kStyleTypeForRoot.isRTL; + const kIsTargetRTL = kStyleTypeForTarget.isRTL; + // Just used to set the sign of |kOrigScrollTop|, not related to the auto-dir + // behaviour. + const kIsTargetBTT = kStyleTypeForTarget.isBTT; + + const kOldStyleForRoot = {}; + const kOldStyleForTarget = {}; + + const kHonoursRoot = Boolean(aAutoDirTrait.honoursRoot); + + const kNoScroll = 0x00; + const kScrollUp = 0x01; + const kScrollDown = 0x02; + const kScrollLeft = 0x04; + const kScrollRight = 0x08; + + // The four constants indicate the expected result if the scroll direction is + // adjusted. + const kAdjustedForUp = {}; + const kAdjustedForDown = {}; + const kAdjustedForLeft = {}; + const kAdjustedForRight = {}; + if (kHonoursRoot ? kIsRootRTL : kIsTargetRTL) { + kAdjustedForUp.result = kScrollRight; + kAdjustedForUp.desc = "right"; + kAdjustedForDown.result = kScrollLeft; + kAdjustedForDown.desc = "left"; + kAdjustedForLeft.result = kScrollDown; + kAdjustedForLeft.desc = "bottom"; + kAdjustedForRight.result = kScrollUp; + kAdjustedForRight.desc = "top"; + } else { + kAdjustedForUp.result = kScrollLeft; + kAdjustedForUp.desc = "left"; + kAdjustedForDown.result = kScrollRight; + kAdjustedForDown.desc = "right"; + kAdjustedForLeft.result = kScrollUp; + kAdjustedForLeft.desc = "top"; + kAdjustedForRight.result = kScrollDown; + kAdjustedForRight.desc = "bottom"; + } + + const kTests = [ + // Tests: Test pixel scrolling towards four edges when the target + // overflows in both the two directions. + // Results: All are unadjusted. + // Reason: Auto-dir adjustment never applies to a target which overflows in + // both the two directions. + { description: "auto-dir scroll to bottom by pixel scroll even if lineOrPageDelta is 0", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollDown, + prepare (cb) { + // Static contents will not start from the topleft side in some + // writing modes, for ease of coding, we simply absolutely + // position the target to the topleft in every case. + gScrollableElement.style.position = "absolute"; + gScrollableElement.style.top = "10px"; + gScrollableElement.style.left = "10px"; + SpecialPowers.pushPrefEnv({ + "set": [["mousewheel.autodir.enabled", true], + ["mousewheel.autodir.honourroot", kHonoursRoot]] + }, cb); + } }, + { description: "auto-dir scroll to bottom by pixel scroll when lineOrPageDelta is 1", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollDown }, + { description: "auto-dir scroll to top by pixel scroll even if lineOrPageDelta is 0", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollUp }, + { description: "auto-dir scroll to top by pixel scroll when lineOrPageDelta is -1", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollUp }, + { description: "auto-dir scroll to right by pixel scroll even if lineOrPageDelta is 0", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollRight }, + { description: "auto-dir scroll to right by pixel scroll when lineOrPageDelta is 1", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollRight }, + { description: "auto-dir scroll to left by pixel scroll even if lineOrPageDelta is 0", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollLeft }, + { description: "auto-dir scroll to left by pixel scroll when lineOrPageDelta is -1", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollLeft }, + + // Tests: Test diagonal pixel scrolling when the target overflows in both + // the two directions. + // Results: All are unadjusted. + // Reason: Auto-dir adjustment never applies to a target which overflows in + // both the two directions, furthermore, it never applies to + // diagonal scrolling. + { description: "auto-dir scroll to bottom-right by pixel scroll", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 8.0, deltaY: 8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollDown | kScrollRight }, + { description: "auto-dir scroll to bottom-left by pixel scroll", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: -8.0, deltaY: 8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollDown | kScrollLeft }, + { description: "auto-dir scroll to top-left by pixel scroll", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: -8.0, deltaY: -8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollUp | kScrollLeft }, + { description: "auto-dir scroll to top-right by pixel scroll", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 8.0, deltaY: -8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollUp | kScrollRight }, + + // Tests: Test line scrolling towards four edges when the target overflows + // in both the two directions. + // Results: All are unadjusted. + // Reason: Auto-dir adjustment never applies to a target which overflows in + // both the two directions. + { description: "auto-dir scroll to bottom by line scroll even if lineOrPageDelta is 0", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollDown }, + { description: "auto-dir scroll to bottom by line scroll when lineOrPageDelta is 1", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollDown }, + { description: "auto-dir scroll to top by line scroll even if lineOrPageDelta is 0", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollUp }, + { description: "auto-dir scroll to top by line scroll when lineOrPageDelta is -1", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollUp }, + { description: "auto-dir scroll to right by line scroll even if lineOrPageDelta is 0", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollRight }, + { description: "auto-dir scroll to right by line scroll when lineOrPageDelta is 1", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollRight }, + { description: "auto-dir scroll to left by line scroll even if lineOrPageDelta is 0", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollLeft }, + { description: "auto-dir scroll to left by line scroll when lineOrPageDelta is -1", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollLeft }, + + // Tests: Test diagonal line scrolling when the target overflows in both + // the two directions. + // Results: All are unadjusted. + // Reason: Auto-dir adjustment never applies to a target which overflows in + // both the two directions, furthermore, it never applies to + // diagonal scrolling. + { description: "auto-dir scroll to bottom-right by line scroll", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.5, deltaY: 0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollDown | kScrollRight }, + { description: "auto-dir scroll to bottom-left by line scroll", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: -0.5, deltaY: 0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollDown | kScrollLeft }, + { description: "auto-dir scroll to top-left by line scroll", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: -0.5, deltaY: -0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollUp | kScrollLeft }, + { description: "auto-dir scroll to top-right by line scroll", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.5, deltaY: -0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollUp | kScrollRight }, + + // Tests: Test page scrolling towards four edges when the target overflows + // in both the two directions. + // Results: All are unadjusted. + // Reason: Auto-dir adjustment never applies to a target which overflows in + // both the two directions. + { description: "auto-dir scroll to bottom by page scroll even if lineOrPageDelta is 0", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollDown }, + { description: "auto-dir scroll to bottom by page scroll when lineOrPageDelta is 1", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollDown }, + { description: "auto-dir scroll to top by page scroll even if lineOrPageDelta is 0", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollUp }, + { description: "auto-dir scroll to top by page scroll when lineOrPageDelta is -1", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollUp }, + { description: "auto-dir scroll to right by page scroll even if lineOrPageDelta is 0", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollRight }, + { description: "auto-dir scroll to right by page scroll when lineOrPageDelta is 1", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollRight }, + { description: "auto-dir scroll to left by page scroll even if lineOrPageDelta is 0", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollLeft }, + { description: "auto-dir scroll to left by page scroll when lineOrPageDelta is -1", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollLeft }, + + // Tests: Test diagonal page scrolling when the target overflows in both + // the two directions. + // Results: All are unadjusted. + // Reason: Auto-dir adjustment never applies to a target which overflows in + // both the two directions, furthermore, it never applies to + // diagonal scrolling. + { description: "auto-dir scroll to bottom-right by page scroll", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.5, deltaY: 0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollDown | kScrollRight }, + { description: "auto-dir scroll to bottom-left by page scroll", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: -0.5, deltaY: 0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollDown | kScrollLeft }, + { description: "auto-dir scroll to top-left by page scroll", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: -0.5, deltaY: -0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollUp | kScrollLeft }, + { description: "auto-dir scroll to top-right by page scroll", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.5, deltaY: -0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollUp | kScrollRight }, + + // The tests above in this function are all for testing a target with two + // scrollbars. All of them should not be adjustable. + // From here on, the tests below in this function are all for testing a + // target with only one scrollbar, either a vertical scrollbar or horizontal + // scrollbar. Some of them are adjustable. + + // Tests: Test pixel scrolling towards four edges when the target + // overflows only in the horizontal direction. + // Results: Vertical wheel scrolls are adjusted to be horizontal whereas the + // horizontal wheel scrolls are unadjusted. + // Reason: Auto-dir adjustment applies to a target if the target overflows + // in only one direction and the direction is orthogonal to the + // wheel and deltaZ is zero. + { description: "auto-dir scroll to " + kAdjustedForDown.desc + + "(originally bottom) by pixel scroll even if lineOrPageDelta is 0, " + + "no vertical scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: true, + expected: kAdjustedForDown.result, + prepare (cb) { + gScrollableElement.style.overflowX = "auto"; + gScrollableElement.style.overflowY = "hidden"; + resetScrollPosition(gScrollableElement); + cb(); + } }, + { description: "auto-dir scroll to " + kAdjustedForDown.desc + + "(originally bottom) by pixel scroll when lineOrPageDelta is 1, " + + "no vertical scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: true, + expected: kAdjustedForDown.result }, + { description: "auto-dir scroll to " + kAdjustedForUp.desc + + "(originally top) by pixel scroll even if lineOrPageDelta is 0, " + + "no vertical scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: true, + expected: kAdjustedForUp.result }, + { description: "auto-dir scroll to " + kAdjustedForUp.desc + + "(originally top) by pixel scroll when lineOrPageDelta is -1, " + + "no vertical scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: true, + expected: kAdjustedForUp.result }, + { description: "auto-dir scroll to right by pixel scroll even if lineOrPageDelta is 0, " + + "no vertical scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollRight }, + { description: "auto-dir scroll to right by pixel scroll when lineOrPageDelta is 1, " + + "no vertical scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollRight }, + { description: "auto-dir scroll to left by pixel scroll even if lineOrPageDelta is 0, " + + "no vertical scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollLeft }, + { description: "auto-dir scroll to left by pixel scroll when lineOrPageDelta is -1, " + + "no vertical scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollLeft }, + + // Tests: Test pixel scrolling towards four edges when the target + // overflows only in the vertical direction. + // Results: Horizontal wheel scrolls are adjusted to be vertical whereas the + // vertical wheel scrolls are unadjusted. + // Reason: Auto-dir adjustment applies to a target if the target overflows + // in only one direction and the direction is orthogonal to the + // wheel and deltaZ is zero. + { description: "auto-dir scroll to bottom by pixel scroll even if lineOrPageDelta is 0, " + + "no horizontal scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollDown, + prepare (cb) { + gScrollableElement.style.overflowX = "hidden"; + gScrollableElement.style.overflowY = "auto"; + resetScrollPosition(gScrollableElement); + cb(); + } }, + { description: "auto-dir scroll to bottom by pixel scroll when lineOrPageDelta is 1, " + + "no horizontal scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollDown }, + { description: "auto-dir scroll to top by pixel scroll even if lineOrPageDelta is 0, " + + "no horizontal scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollUp }, + { description: "auto-dir scroll to top by pixel scroll when lineOrPageDelta is -1, " + + "no horizontal scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollUp }, + { description: "auto-dir scroll to " + kAdjustedForRight.desc + + "(originally right) by pixel scroll even if lineOrPageDelta is 0, " + + "no horizontal scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: true, + expected: kAdjustedForRight.result }, + { description: "auto-dir scroll to " + kAdjustedForRight.desc + + "(originally right) by pixel scroll when lineOrPageDelta is 1, " + + "no horizontal scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: true, + expected: kAdjustedForRight.result }, + { description: "auto-dir scroll to " + kAdjustedForLeft.desc + + "(originally left) by pixel scroll even if lineOrPageDelta is 0, " + + "no horizontal scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: true, + expected: kAdjustedForLeft.result }, + { description: "auto-dir scroll to " + kAdjustedForLeft.desc + + "(originally left) by pixel scroll when lineOrPageDelta is -1, " + + "no horizontal scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: true, + expected: kAdjustedForLeft.result }, + + // Tests: Test line scrolling towards four edges when the target overflows + // only in the horizontal direction. + // Results: Vertical wheel scrolls are adjusted to be horizontal whereas the + // horizontal wheel scrolls are unadjusted. + // Reason: Auto-dir adjustment applies to a target if the target overflows + // in only one direction and the direction is orthogonal to the + // wheel and deltaZ is zero. + { description: "auto-dir scroll to " + kAdjustedForDown.desc + + "(originally bottom) by line scroll even if lineOrPageDelta is 0, " + + "no vertical scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: true, + expected: kAdjustedForDown.result, + prepare (cb) { + gScrollableElement.style.overflowX = "auto"; + gScrollableElement.style.overflowY = "hidden"; + resetScrollPosition(gScrollableElement); + cb(); + } }, + { description: "auto-dir scroll to " + kAdjustedForDown.desc + + "(originally bottom) by line scroll when lineOrPageDelta is 1, " + + "no vertical scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: true, + expected: kAdjustedForDown.result }, + { description: "auto-dir scroll to " + kAdjustedForUp.desc + + "(originally top) by line scroll even if lineOrPageDelta is 0, " + + "no vertical scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: true, + expected: kAdjustedForUp.result }, + { description: "auto-dir scroll to " + kAdjustedForUp.desc + + "(originally top) by line scroll when lineOrPageDelta is -1, " + + "no vertical scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: true, + expected: kAdjustedForUp.result }, + { description: "auto-dir scroll to right by line scroll even if lineOrPageDelta is 0, " + + "no vertical scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollRight }, + { description: "auto-dir scroll to right by line scroll when lineOrPageDelta is 1, " + + "no vertical scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollRight }, + { description: "auto-dir scroll to left by line scroll even if lineOrPageDelta is 0, " + + "no vertical scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollLeft }, + { description: "auto-dir scroll to left by line scroll when lineOrPageDelta is -1, " + + "no vertical scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollLeft }, + + // Tests: Test line scrolling towards four edges when the target overflows + // only in the vertical direction. + // Results: Horizontal wheel scrolls are adjusted to be vertical whereas the + // vertical wheel scrolls are unadjusted. + // Reason: Auto-dir adjustment applies to a target if the target overflows + // in only one direction and the direction is orthogonal to the + // wheel and deltaZ is zero. + { description: "auto-dir scroll to bottom by line scroll even if lineOrPageDelta is 0, " + + "no horizontal scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollDown, + prepare (cb) { + gScrollableElement.style.overflowX = "hidden"; + gScrollableElement.style.overflowY = "auto"; + resetScrollPosition(gScrollableElement); + cb(); + } }, + { description: "auto-dir scroll to bottom by line scroll when lineOrPageDelta is 1, " + + "no horizontal scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollDown }, + { description: "auto-dir scroll to top by line scroll even if lineOrPageDelta is 0, " + + "no horizontal scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollUp }, + { description: "auto-dir scroll to top by line scroll when lineOrPageDelta is -1, " + + "no horizontal scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollUp }, + { description: "auto-dir scroll to " + kAdjustedForRight.desc + + "(originally right) by line scroll even if lineOrPageDelta is 0, " + + "no horizontal scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: true, + expected: kAdjustedForRight.result }, + { description: "auto-dir scroll to " + kAdjustedForRight.desc + + "(originally right) by line scroll when lineOrPageDelta is 1, " + + "no horizontal scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: true, + expected: kAdjustedForRight.result }, + { description: "auto-dir scroll to " + kAdjustedForLeft.desc + + "(originally left) by line scroll even if lineOrPageDelta is 0, " + + "no horizontal scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: true, + expected: kAdjustedForLeft.result }, + { description: "auto-dir scroll to " + kAdjustedForLeft.desc + + "(originally left) by line scroll when lineOrPageDelta is -1, " + + "no horizontal scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: true, + expected: kAdjustedForLeft.result }, + + // Tests: Test page scrolling towards four edges when the target overflows + // only in the horizontal direction. + // Results: Vertical wheel scrolls are adjusted to be horizontal whereas the + // horizontal wheel scrolls are unadjusted. + // Reason: Auto-dir adjustment applies to a target if the target overflows + // in only one direction and the direction is orthogonal to the + // wheel and deltaZ is zero. + { description: "auto-dir scroll to " + kAdjustedForDown.desc + + "(originally bottom) by page scroll when lineOrPageDelta is 1, " + + "no vertical scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: true, + expected: kAdjustedForDown.result, + prepare (cb) { + gScrollableElement.style.overflowX = "auto"; + gScrollableElement.style.overflowY = "hidden"; + resetScrollPosition(gScrollableElement); + cb(); + } }, + { description: "auto-dir scroll to " + kAdjustedForDown.desc + + "(originally bottom) by page scroll even if lineOrPageDelta is 0, " + + "no vertical scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: true, + expected: kAdjustedForDown.result }, + { description: "auto-dir scroll to " + kAdjustedForUp.desc + + "(originally top) by page scroll when lineOrPageDelta is -1, " + + "no vertical scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: true, + expected: kAdjustedForUp.result }, + { description: "auto-dir scroll to " + kAdjustedForUp.desc + + "(originally top) by page scroll even if lineOrPageDelta is 0, " + + "no vertical scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: true, + expected: kAdjustedForUp.result }, + { description: "auto-dir scroll to right by page scroll when lineOrPageDelta is 1, " + + "no vertical scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollRight }, + { description: "auto-dir scroll to right by page scroll even if lineOrPageDelta is 0, " + + "no vertical scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollRight }, + { description: "auto-dir scroll to left by page scroll when lineOrPageDelta is -1, " + + "no vertical scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollLeft }, + { description: "auto-dir scroll to left by page scroll even if lineOrPageDelta is 0, " + + "no vertical scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollLeft }, + + // Tests: Test page scrolling towards four edges when the target overflows + // only in the vertical direction. + // Results: Horizontal wheel scrolls are adjusted to be vertical whereas the + // vertical wheel scrolls are unadjusted. + // Reason: Auto-dir adjustment applies to a target if the target overflows + // in only one direction and the direction is orthogonal to the + // wheel and deltaZ is zero. + { description: "auto-dir scroll to bottom by page scroll when lineOrPageDelta is 1, " + + "no horizontal scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollDown, + prepare (cb) { + gScrollableElement.style.overflowX = "hidden"; + gScrollableElement.style.overflowY = "auto"; + resetScrollPosition(gScrollableElement); + cb(); + } }, + { description: "auto-dir scroll to bottom by page scroll even if lineOrPageDelta is 0, " + + "no horizontal scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollDown }, + { description: "auto-dir scroll to top by page scroll when lineOrPageDelta is -1, " + + "no horizontal scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollUp }, + { description: "auto-dir scroll to top by page scroll even if lineOrPageDelta is 0, " + + "no horizontal scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollUp }, + { description: "auto-dir scroll to " + kAdjustedForRight.desc + + "(originally right) by page scroll when lineOrPageDelta is 1, " + + "no horizontal scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: true, + expected: kAdjustedForRight.result }, + { description: "auto-dir scroll to " + kAdjustedForRight.desc + + "(originally right) by page scroll even if lineOrPageDelta is 0, " + + "no horizontal scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: true, + expected: kAdjustedForRight.result }, + { description: "auto-dir scroll to " + kAdjustedForLeft.desc + + "(originally left) by page scroll when lineOrPageDelta is -1, " + + "no horizontal scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: true, + expected: kAdjustedForLeft.result }, + { description: "auto-dir scroll to " + kAdjustedForLeft.desc + + "(originally left) by page scroll even if lineOrPageDelta is 0, " + + "no horizontal scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: true, + expected: kAdjustedForLeft.result, + cleanup (cb) { + SpecialPowers.pushPrefEnv({"set": + [["mousewheel.autodir.enabled", + false]]}, + cb); + } }, + // Tests: Test that autodir scrolling can be force-enabled using windowUtils. + // This only tests vertical wheel scrolls being adjusted to be + // horizontal, rather than re-testing all autodir behaviours just for + // this way of enabling it. + // Results: Vertical wheel scrolls are adjusted to be horizontal whereas the + // horizontal wheel scrolls are unadjusted. + // Reason: Auto-dir adjustment applies to a target if the target overflows + // in only one direction and the direction is orthogonal to the + // wheel and deltaZ is zero. + { description: "force-enabled auto-dir scroll to " + kAdjustedForDown.desc + + "(originally bottom) by pixel scroll even if lineOrPageDelta is 0, " + + "no vertical scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: true, + expected: kAdjustedForDown.result, + prepare (cb) { + gScrollableElement.style.overflowX = "auto"; + gScrollableElement.style.overflowY = "hidden"; + resetScrollPosition(gScrollableElement); + winUtils.setMousewheelAutodir(gScrollableElement, true, kHonoursRoot) + cb(); + } }, + { description: "force-enabled auto-dir scroll to " + kAdjustedForDown.desc + + "(originally bottom) by pixel scroll when lineOrPageDelta is 1, " + + "no vertical scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: true, + expected: kAdjustedForDown.result }, + { description: "force-enabled auto-dir scroll to " + kAdjustedForUp.desc + + "(originally top) by pixel scroll even if lineOrPageDelta is 0, " + + "no vertical scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: true, + expected: kAdjustedForUp.result }, + { description: "force-enabled auto-dir scroll to " + kAdjustedForUp.desc + + "(originally top) by pixel scroll when lineOrPageDelta is -1, " + + "no vertical scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: true, + expected: kAdjustedForUp.result }, + { description: "force-enabled auto-dir scroll to right by pixel scroll even if lineOrPageDelta is 0, " + + "no vertical scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollRight }, + { description: "force-enabled auto-dir scroll to right by pixel scroll when lineOrPageDelta is 1, " + + "no vertical scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollRight }, + { description: "force-enabled auto-dir scroll to left by pixel scroll even if lineOrPageDelta is 0, " + + "no vertical scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollLeft }, + { description: "force-enabled auto-dir scroll to left by pixel scroll when lineOrPageDelta is -1, " + + "no vertical scrollbar", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, + shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, + adjusted: false, + expected: kScrollLeft, + cleanup (cb) { + gScrollableElement.style.position = "static"; + gScrollableElement.style.top = "auto"; + gScrollableElement.style.left = "auto"; + gScrollableElement.style.overflow = "auto"; + Object.assign(document.body.style, kOldStyleForRoot); + Object.assign(gScrollableElement.style, kOldStyleForTarget); + winUtils.setMousewheelAutodir(gScrollableElement, false, false); + cb(); + } }, + ]; + + let styleDescForRoot = ""; + let styleDescForTarget = ""; + Object.keys(kStyleForRoot).forEach(function(property) + { + kOldStyleForRoot[property] = document.body.style[property]; + document.body.style[property] = kStyleForRoot[property]; + if ("" !== styleDescForRoot) { + styleDescForRoot += " "; + } + styleDescForRoot += property + ": " + kStyleForRoot[property] + ";"; + }); + Object.keys(kStyleForTarget).forEach(function(property) + { + kOldStyleForTarget[property] = gScrollableElement.style[property]; + gScrollableElement.style[property] = kStyleForTarget[property]; + if ("" !== styleDescForTarget) { + styleDescForTarget += " "; + } + styleDescForTarget += property + ": " + + kStyleForTarget[property] + ";"; + }); + + let description; + let currentTestIndex = -1; + let isXReverted = aSettings.deltaMultiplierX < 0; + let isYReverted = aSettings.deltaMultiplierY < 0; + + // We are doing a "trick" here: + // If the `kHonoursRoot` is true and the scroll target and the root's contents + // are both LTR or both RTL, we can safely skip these tests, because the same + // behavior is tested when the `kHonoursRoot` is false. + if (kHonoursRoot && kIsRootRTL === kIsTargetRTL) { + currentTestIndex = kTests.length; + } + + const kOrigScrollLeft = kIsTargetRTL ? -1000 : 1000; + const kOrigScrollTop = kIsTargetBTT ? -1000 : 1000; + + function doNextTest() + { + if (++currentTestIndex >= kTests.length) { + // The tests for the current writing mode combination have been finished. + // Continue the tests for the next writing mode combination, if any. + let nextStyleForRoot; + let nextStyleForTarget; + nextStyleForTarget = getNextWritingModeStyle(aStyleForTarget); + if (nextStyleForTarget) { + nextStyleForRoot = aStyleForRoot; + } else { + nextStyleForRoot = getNextWritingModeStyle(aStyleForRoot); + if (!nextStyleForRoot) { + // All writing mode combinations have been enumerated, so stop + // recursively calling doTestAutoDirScroll2, and go ahead with the + // subsequent tests. + SimpleTest.executeSoon(aCallback); + return; + } + nextStyleForTarget = getFirstWritingModeStyle(); + } + doTestAutoDirScroll2(aSettings, aAutoDirTrait, + nextStyleForRoot, nextStyleForTarget, + aCallback); + return; + } + + gScrollableElement.scrollTop = kOrigScrollTop; + gScrollableElement.scrollLeft = kOrigScrollLeft; + + var currentTest = kTests[currentTestIndex]; + description = "doTestAutoDirScroll(aSettings=" + aSettings.description + ", "; + if (kHonoursRoot) { + description += "{honoursRoot: true}), "; + } else { + description += "{honoursRoot: false}), "; + } + description += "root = " + styleDescForRoot + " "; + description += "target = " + styleDescForTarget + " "; + if (currentTest.adjusted) { + description += "adjusted "; + } else { + description += "unadjusted "; + } + description += currentTest.description + ": "; + if (currentTest.prepare) { + currentTest.prepare(doTestCurrentScroll); + } else { + doTestCurrentScroll(); + } + } + + function doTestCurrentScroll() { + var currentTest = kTests[currentTestIndex]; + sendWheelAndWait(100, 100, currentTest.event, function () { + if (currentTest.expected == kNoScroll) { + is(gScrollableElement.scrollTop, kOrigScrollTop, description + "scrolled vertical"); + is(gScrollableElement.scrollLeft, kOrigScrollLeft, description + "scrolled horizontal"); + } else { + // If auto-dir adjustment occurs, temporarily swap |isYReverted| and + // |isXReverted|. + if (currentTest.adjusted) { + [isYReverted, isXReverted] = [isXReverted, isYReverted]; + } + let scrollUp = !isYReverted ? (currentTest.expected & kScrollUp) : + (currentTest.expected & kScrollDown); + let scrollDown = !isYReverted ? (currentTest.expected & kScrollDown) : + (currentTest.expected & kScrollUp); + if (scrollUp) { + ok(gScrollableElement.scrollTop < kOrigScrollTop, + description + "not scrolled up, got " + gScrollableElement.scrollTop); + } else if (scrollDown) { + ok(gScrollableElement.scrollTop > kOrigScrollTop, + description + "not scrolled down, got " + gScrollableElement.scrollTop); + } else { + is(gScrollableElement.scrollTop, kOrigScrollTop, + description + "scrolled vertical"); + } + var scrollLeft = !isXReverted ? (currentTest.expected & kScrollLeft) : + (currentTest.expected & kScrollRight); + var scrollRight = !isXReverted ? (currentTest.expected & kScrollRight) : + (currentTest.expected & kScrollLeft); + if (scrollLeft) { + ok(gScrollableElement.scrollLeft < kOrigScrollLeft, + description + "not scrolled to left, got " + gScrollableElement.scrollLeft); + } else if (scrollRight) { + ok(gScrollableElement.scrollLeft > kOrigScrollLeft, + description + "not scrolled to right, got " + gScrollableElement.scrollLeft); + } else { + is(gScrollableElement.scrollLeft, kOrigScrollLeft, + description + "scrolled horizontal"); + } + // |isYReverted| and |isXReverted| have been temporarily swaped for + // auto-dir adjustment, restore them. + if (currentTest.adjusted) { + [isYReverted, isXReverted] = [isXReverted, isYReverted]; + } + } + if (currentTest.cleanup) { + currentTest.cleanup(nextStep); + } else { + nextStep(); + } + + function nextStep() { + winUtils.advanceTimeAndRefresh(100); + doNextTest(); + } + }); + } + doNextTest(); +} + +function doTestZoom(aSettings, aCallback) +{ + if ((aSettings.deltaMultiplierX != 1.0 && aSettings.deltaMultiplierX != -1.0) || + (aSettings.deltaMultiplierY != 1.0 && aSettings.deltaMultiplierY != -1.0)) { + todo(false, "doTestZoom doesn't support to test with aSettings=" + aSettings.description); + SimpleTest.executeSoon(aCallback); + return; + } + + const kNone = 0x00; + const kPositive = 0x01; + const kNegative = 0x02; + const kUseX = 0x10; + const kUseY = 0x20; + const kTests = [ + { description: "by vertical/positive pixel event when its lineOrPageDeltaY is 0", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, + expected: kNone }, + { description: "by vertical/positive pixel event when its lineOrPageDeltaY is 1", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, + expected: kPositive | kUseY }, + { description: "by vertical/negative pixel event when its lineOrPageDeltaY is 0", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, + expected: kNone }, + { description: "by vertical/negative pixel event when its lineOrPageDeltaY is -1", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, + expected: kNegative | kUseY }, + { description: "by horizotal/positive pixel event when its lineOrPageDeltaX is 0", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, + expected: kNone }, + { description: "by horizotal/positive pixel event when its lineOrPageDeltaX is 1", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, + expected: kPositive | kUseX }, + { description: "by horizotal/negative pixel event when its lineOrPageDeltaX is 0", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, + expected: kNone }, + { description: "by horizotal/negative pixel event when its lineOrPageDeltaX is -1", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, + expected: kNegative | kUseX }, + { description: "by z pixel event", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: 0.0, deltaZ: 16.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, + expected: kNone }, + + { description: "by vertical/positive line event when its lineOrPageDeltaY is 0", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, + expected: kNone }, + { description: "by vertical/positive line event when its lineOrPageDeltaY is 1", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, + expected: kPositive | kUseY }, + { description: "by vertical/negative line event when its lineOrPageDeltaY is 0", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, + expected: kNone }, + { description: "by vertical/negative line event when its lineOrPageDeltaY is -1", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, + expected: kNegative | kUseY }, + { description: "by horizotal/positive line event when its lineOrPageDeltaX is 0", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, + expected: kNone }, + { description: "by horizotal/positive line event when its lineOrPageDeltaX is 1", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, + expected: kPositive | kUseX }, + { description: "by horizotal/negative line event when its lineOrPageDeltaX is 0", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, + expected: kNone }, + { description: "by horizotal/negative line event when its lineOrPageDeltaX is -1", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, + expected: kNegative | kUseX }, + { description: "by z line event", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, + expected: kNone }, + + { description: "by vertical/positive page event when its lineOrPageDeltaY is 0", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, + expected: kNone }, + { description: "by vertical/positive page event when its lineOrPageDeltaY is 1", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, + expected: kPositive | kUseY }, + { description: "by vertical/negative page event when its lineOrPageDeltaY is 0", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, + expected: kNone }, + { description: "by vertical/negative page event when its lineOrPageDeltaY is -1", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, + expected: kNegative | kUseY }, + { description: "by horizotal/positive page event when its lineOrPageDeltaX is 0", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, + expected: kNone }, + { description: "by horizotal/positive page event when its lineOrPageDeltaX is 1", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, + expected: kPositive | kUseX }, + { description: "by horizotal/negative page event when its lineOrPageDeltaX is 0", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, + expected: kNone }, + { description: "by horizotal/negative page event when its lineOrPageDeltaX is -1", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, + lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, + expected: kNegative | kUseX }, + { description: "by z page event", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, + expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, + expected: kNone }, + ]; + + var description, currentTest; + var currentTestIndex = -1; + var isXReverted = (aSettings.deltaMultiplierX < 0); + var isYReverted = (aSettings.deltaMultiplierY < 0); + + function doNextTest() { + if (++currentTestIndex >= kTests.length) { + SimpleTest.executeSoon(aCallback); + return; + } + + gScrollableElement.scrollTop = 1000; + gScrollableElement.scrollLeft = 1000; + + currentTest = kTests[currentTestIndex]; + description = "doTestZoom(aSettings=" + aSettings.description + "), "; + if (currentTest.expected == kNone) { + description += "Shouldn't "; + } else { + description += "Should "; + } + description += "zoom " + currentTest.description + ": "; + + var event = currentTest.event; + event.ctrlKey = true; + + // NOTE: Zooming might change scrollTop and scrollLeft by rounding fraction. + // This test assume that zoom happens synchronously and scrolling + // happens asynchronously. + var scrollTop = gScrollableElement.scrollTop; + var scrollLeft = gScrollableElement.scrollLeft; + + fullZoomChangePromise = new Promise(resolve => { + if (currentTest.expected & (kNegative | kPositive)) { + // Zoom causes a resize of the viewport. + window.addEventListener("resize", function onResize() { + if (SpecialPowers.getFullZoom(window) != 1) { + window.removeEventListener("resize", onResize); + setTimeout(() => resolve(), 0); + } + }); + } else { + resolve(); + } + }); + + sendWheelAndWait(10, 10, event, function () { + is(gScrollableElement.scrollTop, scrollTop, description + "scrolled vertical"); + is(gScrollableElement.scrollLeft, scrollLeft, description + "scrolled horizontal"); + + fullZoomChangePromise.then(() => { + // When input event prioritization is enabled, the wheel event may be + // dispatched to the content process before the message 'FullZoom' to + // zoom in/out. Waiting for the event 'FullZoomChange' and then check + // the result. + if (!(currentTest.expected & (kNegative | kPositive))) { + is(SpecialPowers.getFullZoom(window), 1.0, description + "zoomed"); + } else { + var isReverted = (currentTest.expected & kUseX) ? isXReverted : + (currentTest.expected & kUseY) ? isYReverted : false; + if ((!isReverted && (currentTest.expected & kNegative)) || + (isReverted && (currentTest.expected & kPositive))) { + ok(SpecialPowers.getFullZoom(window) > 1.0, + description + "not zoomed in, got " + SpecialPowers.getFullZoom(window)); + } else { + ok(SpecialPowers.getFullZoom(window) < 1.0, + description + "not zoomed out, got " + SpecialPowers.getFullZoom(window)); + } + } + if (SpecialPowers.getFullZoom(window) != 1) { + // Only synthesizes key event to reset zoom when necessary to avoid + // triggering the next test before the key event is handled. In that + // case, the key event may break the next test. + synthesizeKey("0", { accelKey: true }); + } + onZoomReset(function () { + hitEventLoop(doNextTest, 20); + }); + }); + }); + } + doNextTest(); +} + +function doTestZoomedScroll(aCallback) +{ + var zoom = 1.0; + function setFullZoom(aWindow, aZoom) + { + zoom = aZoom; + SpecialPowers.setFullZoom(aWindow, aZoom); + } + + function prepareTestZoomedPixelScroll() + { + // Reset zoom and store the scroll amount into the data. + synthesizeKey("0", { accelKey: true }); + zoom = 1.0; + onZoomReset(testZoomedPixelScroll); + } + + function testZoomedPixelScroll() + { + gScrollableElement.scrollTop = 1000; + gScrollableElement.scrollLeft = 1000; + // Ensure not to be in reflow. + hitEventLoop(function () { + function mousePixelScrollHandler(aEvent) + { + if (aEvent.axis == MouseScrollEvent.HORIZONTAL_AXIS) { + is(aEvent.detail, 16, + "doTestZoomedScroll: The detail of horizontal MozMousePixelScroll for pixel wheel event is wrong"); + } else if (aEvent.axis == MouseScrollEvent.VERTICAL_AXIS) { + is(aEvent.detail, 16, + "doTestZoomedScroll: The detail of vertical MozMousePixelScroll for pixel wheel event is wrong"); + } else { + ok(false, "doTestZoomedScroll: The axis of MozMousePixelScroll for pixel wheel event is invalid, got " + aEvent.axis); + } + } + function wheelHandler(aEvent) + { + is(aEvent.deltaX, 16.0 / zoom, + "doTestZoomedScroll: The deltaX of wheel for pixel is wrong"); + is(aEvent.deltaY, 16.0 / zoom, + "doTestZoomedScroll: The deltaY of wheel for pixel is wrong"); + } + window.addEventListener("MozMousePixelScroll", mousePixelScrollHandler, true); + window.addEventListener("wheel", wheelHandler, true); + var event = { + deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 16.0, + deltaY: 16.0, + lineOrPageDeltaX: 0, + lineOrPageDeltaY: 0 + }; + // wait scrolled actually. + sendWheelAndWait(10, 10, event, function () { + var scrolledX = gScrollableElement.scrollLeft; + var scrolledY = gScrollableElement.scrollTop; + ok(scrolledX > 1000, + "doTestZoomedScroll: scrolledX must be larger than 1000 for pixel wheel event, got " + scrolledX); + ok(scrolledY > 1000, + "doTestZoomedScroll: scrolledY must be larger than 1000 for pixel wheel event, got " + scrolledY); + + // Zoom + setFullZoom(window, 2.0); + // Ensure not to be in reflow. + hitEventLoop(function () { + gScrollableElement.scrollTop = 1000; + gScrollableElement.scrollLeft = 1000; + var evt = { + deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 16.0, + deltaY: 16.0, + lineOrPageDeltaX: 0, + lineOrPageDeltaY: 0 + }; + // wait scrolled actually. + sendWheelAndWait(10, 10, evt, function () { + ok(Math.abs(gScrollableElement.scrollLeft - (1000 + (scrolledX - 1000) / 2)) <= 1, + "doTestZoomedScroll: zoomed horizontal scroll amount by pixel wheel event is different from normal, scrollLeft=" + + gScrollableElement.scrollLeft + ", scrolledX=" + scrolledX); + ok(Math.abs(gScrollableElement.scrollTop - (1000 + (scrolledY - 1000) / 2)) <= 1, + "doTestZoomedScroll: zoomed vertical scroll amount by pixel wheel event is different from normal, scrollTop=" + + gScrollableElement.scrollTop + ", scrolledY=" + scrolledY); + window.removeEventListener("MozMousePixelScroll", mousePixelScrollHandler, true); + window.removeEventListener("wheel", wheelHandler, true); + + synthesizeKey("0", { accelKey: true }); + onZoomReset(prepareTestZoomedLineScroll); + }); + }, 20); + }); + }, 20); + } + + function prepareTestZoomedLineScroll() + { + // Reset zoom and store the scroll amount into the data. + synthesizeKey("0", { accelKey: true }); + zoom = 1.0; + onZoomReset(testZoomedLineScroll); + } + function testZoomedLineScroll() + { + gScrollableElement.scrollTop = 1000; + gScrollableElement.scrollLeft = 1000; + // Ensure not to be in reflow. + hitEventLoop(function () { + var lineHeightX, lineHeightY; + function handler(aEvent) + { + if (aEvent.axis == MouseScrollEvent.HORIZONTAL_AXIS) { + if (lineHeightX == undefined) { + lineHeightX = aEvent.detail; + } else { + ok(Math.abs(aEvent.detail - lineHeightX) <= 1, + "doTestZoomedScroll: The detail of horizontal MozMousePixelScroll for line wheel event is wrong, aEvent.detail=" + + aEvent.detail + ", lineHeightX=" + lineHeightX); + } + } else if (aEvent.axis == MouseScrollEvent.VERTICAL_AXIS) { + if (lineHeightY == undefined) { + lineHeightY = aEvent.detail; + } else { + ok(Math.abs(aEvent.detail - lineHeightY) <= 1, + "doTestZoomedScroll: The detail of vertical MozMousePixelScroll for line wheel event is wrong, aEvent.detail=" + + aEvent.detail + ", lineHeightY=" + lineHeightY); + } + } else { + ok(false, "doTestZoomedScroll: The axis of MozMousePixelScroll for line wheel event is invalid, got " + aEvent.axis); + } + } + window.addEventListener("MozMousePixelScroll", handler, true); + var event = { + deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 1.0, + deltaY: 1.0, + lineOrPageDeltaX: 1, + lineOrPageDeltaY: 1 + }; + // wait scrolled actually. + sendWheelAndWait(10, 10, event, function () { + var scrolledX = gScrollableElement.scrollLeft; + var scrolledY = gScrollableElement.scrollTop; + ok(scrolledX > 1000, + "doTestZoomedScroll: scrolledX must be larger than 1000 for line wheel event, got " + scrolledX); + ok(scrolledY > 1000, + "doTestZoomedScroll: scrolledY must be larger than 1000 for line wheel event, got " + scrolledY); + + // Zoom + setFullZoom(window, 2.0); + // Ensure not to be in reflow. + hitEventLoop(function () { + gScrollableElement.scrollTop = 1000; + gScrollableElement.scrollLeft = 1000; + var evt = { + deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 1.0, + deltaY: 1.0, + lineOrPageDeltaX: 1, + lineOrPageDeltaY: 1 + }; + // wait scrolled actually. + sendWheelAndWait(10, 10, evt, function () { + ok(Math.abs(gScrollableElement.scrollLeft - scrolledX) <= 1, + "doTestZoomedScroll: zoomed horizontal scroll amount by line wheel event is different from normal, scrollLeft=" + + gScrollableElement.scrollLeft + ", scrolledX=" + scrolledX); + ok(Math.abs(gScrollableElement.scrollTop - scrolledY) <= 1, + "doTestZoomedScroll: zoomed vertical scroll amount by line wheel event is different from normal, scrollTop=" + + gScrollableElement.scrollTop + ", scrolledY=" + scrolledY); + + window.removeEventListener("MozMousePixelScroll", handler, true); + + synthesizeKey("0", { accelKey: true }); + onZoomReset(aCallback); + }); + }, 20); + }); + }, 20); + } + + // XXX It's too difficult to test page scroll because the page scroll amount + // is computed by complex logic. + + prepareTestZoomedPixelScroll(); +} + +function doTestWholeScroll(aCallback) +{ + SpecialPowers.pushPrefEnv({"set": [ + ["mousewheel.default.delta_multiplier_x", 999999], + ["mousewheel.default.delta_multiplier_y", 999999]]}, + function() { doTestWholeScroll2(aCallback); }); +} + +function doTestWholeScroll2(aCallback) +{ + const kTests = [ + { description: "try whole-scroll to top (line)", + prepare () { + gScrollableElement.scrollTop = 1000; + gScrollableElement.scrollLeft = 1000; + }, + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.0, deltaY: -1.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: -1 }, + expectedScrollTop: 0, + expectedScrollLeft: 1000 + }, + { description: "try whole-scroll to top when scrollTop is already top-most (line)", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.0, deltaY: -1.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: -1 }, + expectedScrollTop: 0, + expectedScrollLeft: 1000 + }, + { description: "try whole-scroll to bottom (line)", + prepare () { + gScrollableElement.scrollTop = 1000; + gScrollableElement.scrollLeft = 1000; + }, + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.0, deltaY: 1.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 1 }, + expectedScrollTop: gScrollableElement.scrollTopMax, + expectedScrollLeft: 1000 + }, + { description: "try whole-scroll to bottom when scrollTop is already bottom-most (line)", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0, deltaY: 1.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 1 }, + expectedScrollTop: gScrollableElement.scrollTopMax, + expectedScrollLeft: 1000 + }, + { description: "try whole-scroll to left (line)", + prepare () { + gScrollableElement.scrollTop = 1000; + gScrollableElement.scrollLeft = 1000; + }, + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: -1.0, deltaY: 0.0, + lineOrPageDeltaX: -1, lineOrPageDeltaY: 0 }, + expectedScrollTop: 1000, + expectedScrollLeft: 0 + }, + { description: "try whole-scroll to left when scrollLeft is already left-most (line)", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: -1.0, deltaY: 0, + lineOrPageDeltaX: -1, lineOrPageDeltaY: 0 }, + expectedScrollTop: 1000, + expectedScrollLeft: 0 + }, + { description: "try whole-scroll to right (line)", + prepare () { + gScrollableElement.scrollTop = 1000; + gScrollableElement.scrollLeft = 1000; + }, + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 1.0, deltaY: 0.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 0 }, + expectedScrollTop: 1000, + expectedScrollLeft: gScrollableElement.scrollLeftMax + }, + { description: "try whole-scroll to right when scrollLeft is already right-most (line)", + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 1.0, deltaY: 0.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 0 }, + expectedScrollTop: 1000, + expectedScrollLeft: gScrollableElement.scrollLeftMax + }, + + + { description: "try whole-scroll to top (pixel)", + prepare () { + gScrollableElement.scrollTop = 1000; + gScrollableElement.scrollLeft = 1000; + }, + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: -1.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0 }, + expectedScrollTop: 0, + expectedScrollLeft: 1000 + }, + { description: "try whole-scroll to top when scrollTop is already top-most (pixel)", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: -1.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0 }, + expectedScrollTop: 0, + expectedScrollLeft: 1000 + }, + { description: "try whole-scroll to bottom (pixel)", + prepare () { + gScrollableElement.scrollTop = 1000; + gScrollableElement.scrollLeft = 1000; + }, + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0.0, deltaY: 1.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0 }, + expectedScrollTop: gScrollableElement.scrollTopMax, + expectedScrollLeft: 1000 + }, + { description: "try whole-scroll to bottom when scrollTop is already bottom-most (pixel)", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 0, deltaY: 1.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0 }, + expectedScrollTop: gScrollableElement.scrollTopMax, + expectedScrollLeft: 1000 + }, + { description: "try whole-scroll to left (pixel)", + prepare () { + gScrollableElement.scrollTop = 1000; + gScrollableElement.scrollLeft = 1000; + }, + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: -1.0, deltaY: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0 }, + expectedScrollTop: 1000, + expectedScrollLeft: 0 + }, + { description: "try whole-scroll to left when scrollLeft is already left-most (pixel)", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: -1.0, deltaY: 0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0 }, + expectedScrollTop: 1000, + expectedScrollLeft: 0 + }, + { description: "try whole-scroll to right (pixel)", + prepare () { + gScrollableElement.scrollTop = 1000; + gScrollableElement.scrollLeft = 1000; + }, + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 1.0, deltaY: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0 }, + expectedScrollTop: 1000, + expectedScrollLeft: gScrollableElement.scrollLeftMax + }, + { description: "try whole-scroll to right when scrollLeft is already right-most (pixel)", + event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: 1.0, deltaY: 0.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 0 }, + expectedScrollTop: 1000, + expectedScrollLeft: gScrollableElement.scrollLeftMax + }, + + + { description: "try whole-scroll to top (page)", + prepare () { + gScrollableElement.scrollTop = 1000; + gScrollableElement.scrollLeft = 1000; + }, + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.0, deltaY: -1.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: -1 }, + expectedScrollTop: 0, + expectedScrollLeft: 1000 + }, + { description: "try whole-scroll to top when scrollTop is already top-most (page)", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.0, deltaY: -1.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: -1 }, + expectedScrollTop: 0, + expectedScrollLeft: 1000 + }, + { description: "try whole-scroll to bottom (page)", + prepare () { + gScrollableElement.scrollTop = 1000; + gScrollableElement.scrollLeft = 1000; + }, + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0.0, deltaY: 1.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 1 }, + expectedScrollTop: gScrollableElement.scrollTopMax, + expectedScrollLeft: 1000 + }, + { description: "try whole-scroll to bottom when scrollTop is already bottom-most (page)", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 0, deltaY: 1.0, + lineOrPageDeltaX: 0, lineOrPageDeltaY: 1 }, + expectedScrollTop: gScrollableElement.scrollTopMax, + expectedScrollLeft: 1000 + }, + { description: "try whole-scroll to left (page)", + prepare () { + gScrollableElement.scrollTop = 1000; + gScrollableElement.scrollLeft = 1000; + }, + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: -1.0, deltaY: 0.0, + lineOrPageDeltaX: -1, lineOrPageDeltaY: 0 }, + expectedScrollTop: 1000, + expectedScrollLeft: 0 + }, + { description: "try whole-scroll to left when scrollLeft is already left-most (page)", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: -1.0, deltaY: 0, + lineOrPageDeltaX: -1, lineOrPageDeltaY: 0 }, + expectedScrollTop: 1000, + expectedScrollLeft: 0 + }, + { description: "try whole-scroll to right (page)", + prepare () { + gScrollableElement.scrollTop = 1000; + gScrollableElement.scrollLeft = 1000; + }, + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 1.0, deltaY: 0.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 0 }, + expectedScrollTop: 1000, + expectedScrollLeft: gScrollableElement.scrollLeftMax + }, + { description: "try whole-scroll to right when scrollLeft is already right-most (page)", + event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 1.0, deltaY: 0.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 0 }, + expectedScrollTop: 1000, + expectedScrollLeft: gScrollableElement.scrollLeftMax + }, + ]; + + var index = 0; + + function doIt() + { + const kTest = kTests[index]; + if (kTest.prepare) { + kTest.prepare(); + } + sendWheelAndWait(10, 10, kTest.event, function () { + is(gScrollableElement.scrollTop, kTest.expectedScrollTop, + "doTestWholeScroll, " + kTest.description + ": unexpected scrollTop"); + is(gScrollableElement.scrollLeft, kTest.expectedScrollLeft, + "doTestWholeScroll, " + kTest.description + ": unexpected scrollLeft"); + if (++index == kTests.length) { + SimpleTest.executeSoon(aCallback); + } else { + doIt(); + } + }); + } + doIt(); +} + +function doTestActionOverride(aCallback) +{ + const kNoScroll = 0x00; + const kScrollUp = 0x01; + const kScrollDown = 0x02; + const kScrollLeft = 0x04; + const kScrollRight = 0x08; + + const kTests = [ + { action: kDefaultActionScroll, override_x: kDefaultActionOverrideXNoOverride, + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 1.0, deltaY: 1.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, + expected: kScrollDown | kScrollRight + }, + { action: kDefaultActionScroll, override_x: kDefaultActionOverrideXNone, + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 1.0, deltaY: 1.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, + expected: kScrollDown | kScrollRight + }, + { action: kDefaultActionScroll, override_x: kDefaultActionOverrideXScroll, + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 1.0, deltaY: 1.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, + expected: kScrollDown | kScrollRight + }, + { action: kDefaultActionNone, override_x: kDefaultActionOverrideXNoOverride, + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 1.0, deltaY: 1.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, + expected: kNoScroll + }, + { action: kDefaultActionNone, override_x: kDefaultActionOverrideXNone, + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 1.0, deltaY: 1.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, + expected: kNoScroll + }, + { action: kDefaultActionNone, override_x: kDefaultActionOverrideXScroll, + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 1.0, deltaY: 1.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, + expected: kNoScroll + }, + { action: kDefaultActionScroll, override_x: kDefaultActionOverrideXNoOverride, + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 1.0, deltaY: 0.5, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, + expected: kScrollDown | kScrollRight + }, + { action: kDefaultActionScroll, override_x: kDefaultActionOverrideXNone, + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 1.0, deltaY: 0.5, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, + expected: kNoScroll + }, + { action: kDefaultActionScroll, override_x: kDefaultActionOverrideXScroll, + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 1.0, deltaY: 0.5, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, + expected: kScrollDown | kScrollRight + }, + { action: kDefaultActionNone, override_x: kDefaultActionOverrideXNoOverride, + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 1.0, deltaY: 0.5, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, + expected: kNoScroll + }, + { action: kDefaultActionNone, override_x: kDefaultActionOverrideXNone, + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 1.0, deltaY: 0.5, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, + expected: kNoScroll + }, + { action: kDefaultActionNone, override_x: kDefaultActionOverrideXScroll, + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 1.0, deltaY: 0.5, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, + expected: kScrollDown | kScrollRight + }, + { action: kDefaultActionScroll, override_x: kDefaultActionOverrideXNoOverride, + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.5, deltaY: 1.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, + expected: kScrollDown | kScrollRight + }, + { action: kDefaultActionScroll, override_x: kDefaultActionOverrideXNone, + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.5, deltaY: 1.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, + expected: kScrollDown | kScrollRight + }, + { action: kDefaultActionScroll, override_x: kDefaultActionOverrideXScroll, + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.5, deltaY: 1.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, + expected: kScrollDown | kScrollRight + }, + { action: kDefaultActionNone, override_x: kDefaultActionOverrideXNoOverride, + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.5, deltaY: 1.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, + expected: kNoScroll + }, + { action: kDefaultActionNone, override_x: kDefaultActionOverrideXNone, + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.5, deltaY: 1.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, + expected: kNoScroll + }, + { action: kDefaultActionNone, override_x: kDefaultActionOverrideXScroll, + event: { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 0.5, deltaY: 1.0, + lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, + expected: kNoScroll + }, + ]; + + var index = 0; + + function doIt() + { + const kTest = kTests[index]; + SpecialPowers.pushPrefEnv({"set": [ + ["mousewheel.default.action", kTest.action], + ["mousewheel.default.action.override_x", kTest.override_x]]}, + doIt2 + ); + } + + function doIt2() + { + const kTest = kTests[index]; + description = "doTestActionOverride(action=" + kTest.action + ", " + + "override_x=" + kTest.override_x + ", " + + "deltaX=" + kTest.event.deltaX + ", " + + "deltaY=" + kTest.event.deltaY + "): "; + gScrollableElement.scrollTop = 1000; + gScrollableElement.scrollLeft = 1000; + sendWheelAndWait(10, 10, kTest.event, function () { + if (kTest.expected & kScrollUp) { + ok(gScrollableElement.scrollTop < 1000, description + "not scrolled up, got " + gScrollableElement.scrollTop); + } else if (kTest.expected & kScrollDown) { + ok(gScrollableElement.scrollTop > 1000, description + "not scrolled down, got " + gScrollableElement.scrollTop); + } else { + is(gScrollableElement.scrollTop, 1000, description + "scrolled vertical"); + } + if (kTest.expected & kScrollLeft) { + ok(gScrollableElement.scrollLeft < 1000, description + "not scrolled to left, got " + gScrollableElement.scrollLeft); + } else if (kTest.expected & kScrollRight) { + ok(gScrollableElement.scrollLeft > 1000, description + "not scrolled to right, got " + gScrollableElement.scrollLeft); + } else { + is(gScrollableElement.scrollLeft, 1000, description + "scrolled horizontal"); + } + if (++index == kTests.length) { + SimpleTest.executeSoon(aCallback); + } else { + doIt(); + } + }); + } + doIt(); +} + +function runTests() +{ + SpecialPowers.pushPrefEnv({"set": [ + ["test.events.async.enabled", true], + ["general.smoothScroll", false], + ["mousewheel.default.action", kDefaultActionScroll], + ["mousewheel.default.action.override_x", kDefaultActionOverrideXNoOverride], + ["mousewheel.with_shift.action", kDefaultActionHorizontalizedScroll], + ["mousewheel.with_shift.action.override_x", kDefaultActionOverrideXNoOverride], + ["mousewheel.with_control.action", kDefaultActionZoom], + ["mousewheel.with_control.action.override_x", kDefaultActionOverrideXNoOverride], + ["mousewheel.with_alt.action", kDefaultActionHistory], + ["mousewheel.with_alt.action.override_x", kDefaultActionOverrideXNoOverride]]}, + runTests2); +} + +function runTests2() +{ + const kSettings = [ + { description: "all delta values are not customized", + deltaMultiplierX: 1.0, deltaMultiplierY: 1.0, deltaMultiplierZ: 1.0 }, + { description: "deltaX is reverted", + deltaMultiplierX: -1.0, deltaMultiplierY: 1.0, deltaMultiplierZ: 1.0 }, + { description: "deltaY is reverted", + deltaMultiplierX: 1.0, deltaMultiplierY: -1.0, deltaMultiplierZ: 1.0 }, + // Unless you really don't care a snap on time-consuming testing or a strict + // criteria is required for testing, it is strongly recommeneded that you + // comment the unrealistic case out. + //{ description: "deltaZ is reverted", + // deltaMultiplierX: 1.0, deltaMultiplierY: 1.0, deltaMultiplierZ: -1.0 },*/ + { description: "deltaX is 2.0", + deltaMultiplierX: 2.0, deltaMultiplierY: 1.0, deltaMultiplierZ: 1.0 }, + { description: "deltaY is 2.0", + deltaMultiplierX: 1.0, deltaMultiplierY: 2.0, deltaMultiplierZ: 1.0 }, + // Unless you really don't care a snap on time-consuming testing or a strict + // criteria is required for testing, it is strongly recommeneded that you + // comment the unrealistic case out. + //{ description: "deltaZ is 2.0", + // deltaMultiplierX: 1.0, deltaMultiplierY: 1.0, deltaMultiplierZ: 2.0 }, + //{ description: "deltaX is -2.0", + // deltaMultiplierX: -2.0, deltaMultiplierY: 1.0, deltaMultiplierZ: 1.0 }, + //{ description: "deltaY is -2.0", + // deltaMultiplierX: 1.0, deltaMultiplierY: -2.0, deltaMultiplierZ: 1.0 }, + //{ description: "deltaZ is -2.0", + // deltaMultiplierX: 1.0, deltaMultiplierY: 1.0, deltaMultiplierZ: -2.0 }, + ]; + + var index = 0; + + function doTest() { + setDeltaMultiplierSettings(kSettings[index], function () { + doTestScroll(kSettings[index], function () { + doTestAutoDirScroll(kSettings[index], {honoursRoot: false}, function () { + doTestAutoDirScroll(kSettings[index], {honoursRoot: true}, function () { + doTestHorizontalizedScroll(kSettings[index], function() { + doTestZoom(kSettings[index], function() { + if (++index == kSettings.length) { + setDeltaMultiplierSettings(kSettings[0], function() { + doTestZoomedScroll(function() { + doTestWholeScroll(function() { + doTestActionOverride(function() { + finishTests(); + }); + }); + }); + }); + } else { + doTest(); + } + }); + }); + }); + }); + }); + }); + } + doTest(); +} + +function finishTests() +{ + winUtils.restoreNormalRefresh(); + + window.opener.finish(); +} + +</script> +</pre> +</body> +</html> |