<!DOCTYPE HTML> <html> <head> <title>Test for default action of WheelEvent</title> <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> <script type="application/javascript" src="/tests/SimpleTest/EventUtils.js"></script> <script type="application/javascript" 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. 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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"> SimpleTest.waitForFocus(runTests, window); 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"); 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); } } const zoomResetTopic = "browser-fullZoom:zoomReset"; SpecialPowers.registerObservers(zoomResetTopic); function onZoomReset(aCallback) { var specialPowersTopic = "specialpowers-" + zoomResetTopic; SpecialPowers.addObserver(function observe() { SpecialPowers.removeObserver(observe, specialPowersTopic); SimpleTest.executeSoon(aCallback); }, specialPowersTopic, false); } 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_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 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: function (cb) { SpecialPowers.pushPrefEnv({"set": [["mousewheel.default.action", 0]]}, cb); }, cleanup: function (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: true, ctrlKey: false, 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 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: true, ctrlKey: false, 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 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: true, ctrlKey: false, 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 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: true, ctrlKey: false, 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 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: true, ctrlKey: false, 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 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: true, ctrlKey: false, 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 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: true, ctrlKey: false, 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 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: true, ctrlKey: false, altKey: false, 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: true, ctrlKey: false, altKey: false, 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: true, ctrlKey: false, altKey: false, 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: true, ctrlKey: false, altKey: false, 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: true, ctrlKey: false, altKey: false, 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: true, ctrlKey: false, altKey: false, 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: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false }, expected: kNoScroll, prepare: function (cb) { SpecialPowers.pushPrefEnv({"set": [["mousewheel.default.action", 0]]}, cb); }, cleanup: function (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: function(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: function (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: function(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: function (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: function(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: function (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: function(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: function (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: function(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: function (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) { currentTest.prepare(doTestCurrentScroll); } else { 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 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; sendWheelAndWait(10, 10, event, function () { is(gScrollableElement.scrollTop, scrollTop, description + "scrolled vertical"); is(gScrollableElement.scrollLeft, scrollLeft, description + "scrolled horizontal"); 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)); } } 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 event = { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 16.0, deltaY: 16.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0 }; // wait scrolled actually. sendWheelAndWait(10, 10, event, 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 event = { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 1.0, deltaY: 1.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }; // wait scrolled actually. sendWheelAndWait(10, 10, event, 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: function () { 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: function () { 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: function () { 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: function () { 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: function () { 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: function () { 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: function () { 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: function () { 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: function () { 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: function () { 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: function () { 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: function () { 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: 1, override_x: -1, event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 1.0, deltaY: 1.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, expected: kScrollDown | kScrollRight }, { action: 1, override_x: 0, event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 1.0, deltaY: 1.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, expected: kScrollDown | kScrollRight }, { action: 1, override_x: 1, event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 1.0, deltaY: 1.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, expected: kScrollDown | kScrollRight }, { action: 0, override_x: -1, event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 1.0, deltaY: 1.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, expected: kNoScroll }, { action: 0, override_x: 0, event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 1.0, deltaY: 1.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, expected: kNoScroll }, { action: 0, override_x: 1, event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 1.0, deltaY: 1.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, expected: kNoScroll }, { action: 1, override_x: -1, event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 1.0, deltaY: 0.5, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, expected: kScrollDown | kScrollRight }, { action: 1, override_x: 0, event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 1.0, deltaY: 0.5, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, expected: kNoScroll }, { action: 1, override_x: 1, event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 1.0, deltaY: 0.5, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, expected: kScrollDown | kScrollRight }, { action: 0, override_x: -1, event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 1.0, deltaY: 0.5, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, expected: kNoScroll }, { action: 0, override_x: 0, event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 1.0, deltaY: 0.5, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, expected: kNoScroll }, { action: 0, override_x: 1, event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 1.0, deltaY: 0.5, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, expected: kScrollDown | kScrollRight }, { action: 1, override_x: -1, event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.5, deltaY: 1.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, expected: kScrollDown | kScrollRight }, { action: 1, override_x: 0, event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.5, deltaY: 1.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, expected: kScrollDown | kScrollRight }, { action: 1, override_x: 1, event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.5, deltaY: 1.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, expected: kScrollDown | kScrollRight }, { action: 0, override_x: -1, event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.5, deltaY: 1.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, expected: kNoScroll }, { action: 0, override_x: 0, event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.5, deltaY: 1.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, expected: kNoScroll }, { action: 0, override_x: 1, 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", 1], // scroll ["mousewheel.default.action.override_x", -1], ["mousewheel.with_shift.action", 2], // history ["mousewheel.with_shift.action.override_x", -1], ["mousewheel.with_control.action", 3], // zoom ["mousewheel.with_control.action.override_x", -1]]}, 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 }, { 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 }, { 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 () { 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>