mirror of
https://github.com/classilla/tenfourfox.git
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708 lines
23 KiB
JavaScript
708 lines
23 KiB
JavaScript
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//----------------------------------------------------------------------
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//
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// Common testing functions
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//
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//----------------------------------------------------------------------
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function advance_clock(milliseconds) {
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SpecialPowers.DOMWindowUtils.advanceTimeAndRefresh(milliseconds);
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}
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// Test-element creation/destruction and event checking
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(function() {
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var gElem;
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var gEventsReceived = [];
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function new_div(style) {
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return new_element("div", style);
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}
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// Creates a new |tagname| element with inline style |style| and appends
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// it as a child of the element with ID 'display'.
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// The element will also be given the class 'target' which can be used
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// for additional styling.
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function new_element(tagname, style) {
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if (gElem) {
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ok(false, "test author forgot to call done_div/done_elem");
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}
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if (typeof(style) != "string") {
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ok(false, "test author forgot to pass argument");
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}
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if (!document.getElementById("display")) {
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ok(false, "no 'display' element to append to");
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}
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gElem = document.createElement(tagname);
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gElem.setAttribute("style", style);
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gElem.classList.add("target");
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document.getElementById("display").appendChild(gElem);
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return [ gElem, getComputedStyle(gElem, "") ];
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}
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function listen() {
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if (!gElem) {
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ok(false, "test author forgot to call new_div before listen");
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}
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gEventsReceived = [];
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function listener(event) {
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gEventsReceived.push(event);
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}
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gElem.addEventListener("animationstart", listener, false);
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gElem.addEventListener("animationiteration", listener, false);
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gElem.addEventListener("animationend", listener, false);
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}
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function check_events(eventsExpected, desc) {
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// This function checks that the list of eventsExpected matches
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// the received events -- but it only checks the properties that
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// are present on eventsExpected.
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is(gEventsReceived.length, eventsExpected.length,
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"number of events received for " + desc);
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for (var i = 0,
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i_end = Math.min(eventsExpected.length, gEventsReceived.length);
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i != i_end; ++i) {
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var exp = eventsExpected[i];
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var rec = gEventsReceived[i];
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for (var prop in exp) {
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if (prop == "elapsedTime") {
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// Allow floating point error.
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ok(Math.abs(rec.elapsedTime - exp.elapsedTime) < 0.000002,
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"events[" + i + "]." + prop + " for " + desc +
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" received=" + rec.elapsedTime + " expected=" + exp.elapsedTime);
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} else {
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is(rec[prop], exp[prop],
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"events[" + i + "]." + prop + " for " + desc);
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}
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}
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}
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for (var i = eventsExpected.length; i < gEventsReceived.length; ++i) {
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ok(false, "unexpected " + gEventsReceived[i].type + " event for " + desc);
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}
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gEventsReceived = [];
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}
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function done_element() {
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if (!gElem) {
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ok(false, "test author called done_element/done_div without matching"
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+ " call to new_element/new_div");
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}
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gElem.remove();
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gElem = null;
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if (gEventsReceived.length) {
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ok(false, "caller should have called check_events");
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}
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}
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[ new_div
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, new_element
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, listen
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, check_events
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, done_element ]
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.forEach(function(fn) {
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window[fn.name] = fn;
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});
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window.done_div = done_element;
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})();
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function px_to_num(str)
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{
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return Number(String(str).match(/^([\d.]+)px$/)[1]);
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}
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function bezier(x1, y1, x2, y2) {
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// Cubic bezier with control points (0, 0), (x1, y1), (x2, y2), and (1, 1).
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function x_for_t(t) {
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var omt = 1-t;
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return 3 * omt * omt * t * x1 + 3 * omt * t * t * x2 + t * t * t;
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}
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function y_for_t(t) {
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var omt = 1-t;
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return 3 * omt * omt * t * y1 + 3 * omt * t * t * y2 + t * t * t;
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}
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function t_for_x(x) {
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// Binary subdivision.
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var mint = 0, maxt = 1;
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for (var i = 0; i < 30; ++i) {
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var guesst = (mint + maxt) / 2;
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var guessx = x_for_t(guesst);
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if (x < guessx)
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maxt = guesst;
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else
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mint = guesst;
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}
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return (mint + maxt) / 2;
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}
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return function bezier_closure(x) {
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if (x == 0) return 0;
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if (x == 1) return 1;
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return y_for_t(t_for_x(x));
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}
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}
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function step_end(nsteps) {
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return function step_end_closure(x) {
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return Math.floor(x * nsteps) / nsteps;
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}
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}
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function step_start(nsteps) {
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var stepend = step_end(nsteps);
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return function step_start_closure(x) {
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return 1.0 - stepend(1.0 - x);
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}
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}
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var gTF = {
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"ease": bezier(0.25, 0.1, 0.25, 1),
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"linear": function(x) { return x; },
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"ease_in": bezier(0.42, 0, 1, 1),
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"ease_out": bezier(0, 0, 0.58, 1),
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"ease_in_out": bezier(0.42, 0, 0.58, 1),
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"step_start": step_start(1),
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"step_end": step_end(1),
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};
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function is_approx(float1, float2, error, desc) {
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ok(Math.abs(float1 - float2) < error,
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desc + ": " + float1 + " and " + float2 + " should be within " + error);
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}
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function findKeyframesRule(name) {
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for (var i = 0; i < document.styleSheets.length; i++) {
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var match = [].find.call(document.styleSheets[i].cssRules, function(rule) {
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return rule.type == CSSRule.KEYFRAMES_RULE &&
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rule.name == name;
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});
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if (match) {
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return match;
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}
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}
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return undefined;
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}
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// Checks if off-main thread animation (OMTA) is available, and if it is, runs
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// the provided callback function. If OMTA is not available or is not
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// functioning correctly, the second callback, aOnSkip, is run instead.
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//
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// This function also does an internal test to verify that OMTA is working at
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// all so that if OMTA is not functioning correctly when it is expected to
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// function only a single failure is produced.
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//
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// Since this function relies on various asynchronous operations, the caller is
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// responsible for calling SimpleTest.waitForExplicitFinish() before calling
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// this and SimpleTest.finish() within aTestFunction and aOnSkip.
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//
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// specialPowersForPrefs exists because some SpecialPowers objects apparently
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// can get prefs and some can't; callers that would normally have one of the
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// latter but can get their hands on one of the former can pass it in
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// explicitly.
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function runOMTATest(aTestFunction, aOnSkip, specialPowersForPrefs) {
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const OMTAPrefKey = "layers.offmainthreadcomposition.async-animations";
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var utils = SpecialPowers.DOMWindowUtils;
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if (!specialPowersForPrefs) {
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specialPowersForPrefs = SpecialPowers;
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}
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var expectOMTA = utils.layerManagerRemote &&
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// ^ Off-main thread animation cannot be used if off-main
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// thread composition (OMTC) is not available
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specialPowersForPrefs.getBoolPref(OMTAPrefKey);
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isOMTAWorking().then(function(isWorking) {
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if (expectOMTA) {
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if (isWorking) {
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aTestFunction();
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} else {
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// We only call this when we know it will fail as otherwise in the
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// regular success case we will end up inflating the "passed tests"
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// count by 1
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ok(isWorking, "OMTA should work");
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aOnSkip();
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}
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} else {
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todo(isWorking,
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"OMTA should ideally work, though we don't expect it to work on " +
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"this platform/configuration");
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aOnSkip();
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}
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}).catch(function(err) {
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ok(false, err);
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aOnSkip();
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});
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function isOMTAWorking() {
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// Create keyframes rule
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const animationName = "a6ce3091ed85"; // Random name to avoid clashes
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var ruleText = "@keyframes " + animationName +
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" { from { opacity: 0.5 } to { opacity: 0.5 } }";
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var style = document.createElement("style");
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style.appendChild(document.createTextNode(ruleText));
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document.head.appendChild(style);
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// Create animation target
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var div = document.createElement("div");
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document.body.appendChild(div);
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// Give the target geometry so it is eligible for layerization
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div.style.width = "100px";
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div.style.height = "100px";
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div.style.backgroundColor = "white";
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// Common clean up code
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var cleanUp = function() {
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div.parentNode.removeChild(div);
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style.parentNode.removeChild(style);
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if (utils.isTestControllingRefreshes) {
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utils.restoreNormalRefresh();
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}
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};
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return waitForDocumentLoad()
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.then(loadPaintListener)
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.then(function() {
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// Put refresh driver under test control and trigger animation
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utils.advanceTimeAndRefresh(0);
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div.style.animation = animationName + " 10s";
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// Trigger style flush
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div.clientTop;
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return waitForPaints();
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}).then(function() {
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var opacity = utils.getOMTAStyle(div, "opacity");
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cleanUp();
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return Promise.resolve(opacity == 0.5);
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}).catch(function(err) {
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cleanUp();
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return Promise.reject(err);
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});
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}
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function waitForDocumentLoad() {
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return new Promise(function(resolve, reject) {
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if (document.readyState === "complete") {
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resolve();
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} else {
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window.addEventListener("load", resolve);
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}
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});
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}
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function waitForPaints() {
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return new Promise(function(resolve, reject) {
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waitForAllPaintsFlushed(resolve);
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});
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}
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function loadPaintListener() {
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return new Promise(function(resolve, reject) {
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if (typeof(window.waitForAllPaints) !== "function") {
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var script = document.createElement("script");
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script.onload = resolve;
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script.onerror = function() {
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reject(new Error("Failed to load paint listener"));
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};
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script.src = "/tests/SimpleTest/paint_listener.js";
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var firstScript = document.scripts[0];
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firstScript.parentNode.insertBefore(script, firstScript);
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} else {
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resolve();
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}
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});
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}
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}
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// Common architecture for setting up a series of asynchronous animation tests
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//
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// Usage example:
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//
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// addAsyncAnimTest(function *() {
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// .. do work ..
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// yield functionThatReturnsAPromise();
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// .. do work ..
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// });
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// runAllAsyncAnimTests().then(SimpleTest.finish());
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//
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(function() {
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var tests = [];
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window.addAsyncAnimTest = function(generator) {
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tests.push(generator);
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};
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// Returns a promise when all tests have run
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window.runAllAsyncAnimTests = function(aOnAbort) {
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// runAsyncAnimTest returns a Promise that is resolved when the
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// test is finished so we can chain them together
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return tests.reduce(function(sequence, test) {
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return sequence.then(function() {
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return runAsyncAnimTest(test, aOnAbort);
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});
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}, Promise.resolve() /* the start of the sequence */);
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};
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// Takes a generator function that represents a test case. Each point in the
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// test case that waits asynchronously for some result yields a Promise that
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// is resolved when the asynchronous action has completed. By chaining these
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// intermediate results together we run the test to completion.
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//
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// This method itself returns a Promise that is resolved when the generator
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// function has completed.
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//
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// This arrangement is based on add_task() which is currently only available
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// in mochitest-chrome (bug 872229). If add_task becomes available in
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// mochitest-plain, we can remove this function and use add_task instead.
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function runAsyncAnimTest(aTestFunc, aOnAbort) {
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var generator;
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function step(arg) {
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var next;
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try {
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next = generator.next(arg);
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} catch (e) {
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return Promise.reject(e);
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}
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if (next.done) {
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return Promise.resolve(next.value);
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} else {
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return Promise.resolve(next.value)
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.then(step, function(err) { throw err; });
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}
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}
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// Put refresh driver under test control
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SpecialPowers.DOMWindowUtils.advanceTimeAndRefresh(0);
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// Run test
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generator = aTestFunc();
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return step()
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.catch(function(err) {
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ok(false, err.message);
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if (typeof aOnAbort == "function") {
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aOnAbort();
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}
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}).then(function() {
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// Restore clock
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SpecialPowers.DOMWindowUtils.restoreNormalRefresh();
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});
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}
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})();
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//----------------------------------------------------------------------
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//
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// Helper functions for testing animated values on the compositor
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//
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//----------------------------------------------------------------------
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const RunningOn = {
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MainThread: 0,
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Compositor: 1,
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Either: 2,
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TodoMainThread: 3
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};
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const ExpectComparisonTo = {
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Pass: 1,
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Fail: 2
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};
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(function() {
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window.omta_todo_is = function(elem, property, expected, runningOn, desc,
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pseudo) {
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return omta_is_approx(elem, property, expected, 0, runningOn, desc,
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ExpectComparisonTo.Fail, pseudo);
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};
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window.omta_is = function(elem, property, expected, runningOn, desc,
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pseudo) {
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return omta_is_approx(elem, property, expected, 0, runningOn, desc,
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ExpectComparisonTo.Pass, pseudo);
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};
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// Many callers of this method will pass 'undefined' for
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// expectedComparisonResult.
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window.omta_is_approx = function(elem, property, expected, tolerance,
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runningOn, desc, expectedComparisonResult,
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pseudo) {
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// Check input
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const omtaProperties = [ "transform", "opacity" ];
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if (omtaProperties.indexOf(property) === -1) {
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ok(false, property + " is not an OMTA property");
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return;
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}
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var isTransform = property == "transform";
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var normalize = isTransform ? convertTo3dMatrix : parseFloat;
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var compare = isTransform ?
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matricesRoughlyEqual :
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function(a, b, error) { return Math.abs(a - b) <= error; };
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var normalizedToString = isTransform ?
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convert3dMatrixToString :
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JSON.stringify;
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// Get actual values
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var compositorStr =
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SpecialPowers.DOMWindowUtils.getOMTAStyle(elem, property, pseudo);
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||
|
var computedStr = window.getComputedStyle(elem, pseudo)[property];
|
||
|
|
||
|
// Prepare expected value
|
||
|
var expectedValue = normalize(expected);
|
||
|
if (expectedValue === null) {
|
||
|
ok(false, desc + ": test author should provide a valid 'expected' value" +
|
||
|
" - got " + expected.toString());
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
// Check expected value appears in the right place
|
||
|
var actualStr;
|
||
|
switch (runningOn) {
|
||
|
case RunningOn.Either:
|
||
|
runningOn = compositorStr !== "" ?
|
||
|
RunningOn.Compositor :
|
||
|
RunningOn.MainThread;
|
||
|
actualStr = compositorStr !== "" ? compositorStr : computedStr;
|
||
|
break;
|
||
|
|
||
|
case RunningOn.Compositor:
|
||
|
if (compositorStr === "") {
|
||
|
ok(false, desc + ": should be animating on compositor");
|
||
|
return;
|
||
|
}
|
||
|
actualStr = compositorStr;
|
||
|
break;
|
||
|
|
||
|
case RunningOn.TodoMainThread:
|
||
|
todo(compositorStr === "",
|
||
|
desc + ": should NOT be animating on compositor");
|
||
|
actualStr = compositorStr === "" ? computedStr : compositorStr;
|
||
|
break;
|
||
|
|
||
|
default:
|
||
|
if (compositorStr !== "") {
|
||
|
ok(false, desc + ": should NOT be animating on compositor");
|
||
|
return;
|
||
|
}
|
||
|
actualStr = computedStr;
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
var okOrTodo = expectedComparisonResult == ExpectComparisonTo.Fail ?
|
||
|
todo :
|
||
|
ok;
|
||
|
|
||
|
// Compare animated value with expected
|
||
|
var actualValue = normalize(actualStr);
|
||
|
if (actualValue === null) {
|
||
|
ok(false, desc + ": should return a valid result - got " + actualStr);
|
||
|
return;
|
||
|
}
|
||
|
okOrTodo(compare(expectedValue, actualValue, tolerance),
|
||
|
desc + " - got " + actualStr + ", expected " +
|
||
|
normalizedToString(expectedValue));
|
||
|
|
||
|
// For compositor animations do an additional check that they match
|
||
|
// the value calculated on the main thread
|
||
|
if (actualStr === compositorStr) {
|
||
|
var computedValue = normalize(computedStr);
|
||
|
if (computedValue === null) {
|
||
|
ok(false, desc + ": test framework should parse computed style" +
|
||
|
" - got " + computedStr);
|
||
|
return;
|
||
|
}
|
||
|
okOrTodo(compare(computedValue, actualValue, 0),
|
||
|
desc + ": OMTA style and computed style should be equal" +
|
||
|
" - OMTA " + actualStr + ", computed " + computedStr);
|
||
|
}
|
||
|
};
|
||
|
|
||
|
window.matricesRoughlyEqual = function(a, b, tolerance) {
|
||
|
tolerance = tolerance || 0.00011;
|
||
|
for (var i = 0; i < 4; i++) {
|
||
|
for (var j = 0; j < 4; j++) {
|
||
|
var diff = Math.abs(a[i][j] - b[i][j]);
|
||
|
if (diff > tolerance || isNaN(diff))
|
||
|
return false;
|
||
|
}
|
||
|
}
|
||
|
return true;
|
||
|
};
|
||
|
|
||
|
// Converts something representing an transform into a 3d matrix in
|
||
|
// column-major order.
|
||
|
// The following are supported:
|
||
|
// "matrix(...)"
|
||
|
// "matrix3d(...)"
|
||
|
// [ 1, 0, 0, ... ]
|
||
|
// { a: 1, ty: 23 } etc.
|
||
|
window.convertTo3dMatrix = function(matrixLike) {
|
||
|
if (typeof(matrixLike) == "string") {
|
||
|
return convertStringTo3dMatrix(matrixLike);
|
||
|
} else if (Array.isArray(matrixLike)) {
|
||
|
return convertArrayTo3dMatrix(matrixLike);
|
||
|
} else if (typeof(matrixLike) == "object") {
|
||
|
return convertObjectTo3dMatrix(matrixLike);
|
||
|
} else {
|
||
|
return null;
|
||
|
}
|
||
|
};
|
||
|
|
||
|
// In future most of these methods should be able to be replaced
|
||
|
// with DOMMatrix
|
||
|
window.isInvertible = function(matrix) {
|
||
|
return getDeterminant(matrix) != 0;
|
||
|
};
|
||
|
|
||
|
// Converts strings of the format "matrix(...)" and "matrix3d(...)" to a 3d
|
||
|
// matrix
|
||
|
function convertStringTo3dMatrix(str) {
|
||
|
if (str == "none")
|
||
|
return convertArrayTo3dMatrix([1, 0, 0, 1, 0, 0]);
|
||
|
var result = str.match("^matrix(3d)?\\(");
|
||
|
if (result === null)
|
||
|
return null;
|
||
|
|
||
|
return convertArrayTo3dMatrix(
|
||
|
str.substring(result[0].length, str.length-1)
|
||
|
.split(",")
|
||
|
.map(function(component) {
|
||
|
return Number(component);
|
||
|
})
|
||
|
);
|
||
|
}
|
||
|
|
||
|
// Takes an array of numbers of length 6 (2d matrix) or 16 (3d matrix)
|
||
|
// representing a matrix specified in column-major order and returns a 3d
|
||
|
// matrix represented as an array of arrays
|
||
|
function convertArrayTo3dMatrix(array) {
|
||
|
if (array.length == 6) {
|
||
|
return convertObjectTo3dMatrix(
|
||
|
{ a: array[0], b: array[1],
|
||
|
c: array[2], d: array[3],
|
||
|
e: array[4], f: array[5] } );
|
||
|
} else if (array.length == 16) {
|
||
|
return [
|
||
|
array.slice(0, 4),
|
||
|
array.slice(4, 8),
|
||
|
array.slice(8, 12),
|
||
|
array.slice(12, 16)
|
||
|
];
|
||
|
} else {
|
||
|
return null;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// Takes an object of the form { a: 1.1, e: 23 } and builds up a 3d matrix
|
||
|
// with unspecified values filled in with identity values.
|
||
|
function convertObjectTo3dMatrix(obj) {
|
||
|
return [
|
||
|
[
|
||
|
obj.a || obj.sx || obj.m11 || 1,
|
||
|
obj.b || obj.m12 || 0,
|
||
|
obj.m13 || 0,
|
||
|
obj.m14 || 0
|
||
|
], [
|
||
|
obj.c || obj.m21 || 0,
|
||
|
obj.d || obj.sy || obj.m22 || 1,
|
||
|
obj.m23 || 0,
|
||
|
obj.m24 || 0
|
||
|
], [
|
||
|
obj.m31 || 0,
|
||
|
obj.m32 || 0,
|
||
|
obj.sz || obj.m33 || 1,
|
||
|
obj.m34 || 0
|
||
|
], [
|
||
|
obj.e || obj.tx || obj.m41 || 0,
|
||
|
obj.f || obj.ty || obj.m42 || 0,
|
||
|
obj.tz || obj.m43 || 0,
|
||
|
obj.m44 || 1
|
||
|
]
|
||
|
];
|
||
|
}
|
||
|
|
||
|
function convert3dMatrixToString(matrix) {
|
||
|
if (is2d(matrix)) {
|
||
|
return "matrix(" +
|
||
|
[ matrix[0][0], matrix[0][1],
|
||
|
matrix[1][0], matrix[1][1],
|
||
|
matrix[3][0], matrix[3][1] ].join(", ") + ")";
|
||
|
} else {
|
||
|
return "matrix3d(" +
|
||
|
matrix.reduce(function(outer, inner) {
|
||
|
return outer.concat(inner);
|
||
|
}).join(", ") + ")";
|
||
|
}
|
||
|
}
|
||
|
|
||
|
function is2d(matrix) {
|
||
|
return matrix[0][2] === 0 && matrix[0][3] === 0 &&
|
||
|
matrix[1][2] === 0 && matrix[1][3] === 0 &&
|
||
|
matrix[2][0] === 0 && matrix[2][1] === 0 &&
|
||
|
matrix[2][2] === 1 && matrix[2][3] === 0 &&
|
||
|
matrix[3][2] === 0 && matrix[3][3] === 1;
|
||
|
}
|
||
|
|
||
|
function getDeterminant(matrix) {
|
||
|
if (is2d(matrix)) {
|
||
|
return matrix[0][0] * matrix[1][1] - matrix[0][1] * matrix[1][0];
|
||
|
}
|
||
|
|
||
|
return matrix[0][3] * matrix[1][2] * matrix[2][1] * matrix[3][0]
|
||
|
- matrix[0][2] * matrix[1][3] * matrix[2][1] * matrix[3][0]
|
||
|
- matrix[0][3] * matrix[1][1] * matrix[2][2] * matrix[3][0]
|
||
|
+ matrix[0][1] * matrix[1][3] * matrix[2][2] * matrix[3][0]
|
||
|
+ matrix[0][2] * matrix[1][1] * matrix[2][3] * matrix[3][0]
|
||
|
- matrix[0][1] * matrix[1][2] * matrix[2][3] * matrix[3][0]
|
||
|
- matrix[0][3] * matrix[1][2] * matrix[2][0] * matrix[3][1]
|
||
|
+ matrix[0][2] * matrix[1][3] * matrix[2][0] * matrix[3][1]
|
||
|
+ matrix[0][3] * matrix[1][0] * matrix[2][2] * matrix[3][1]
|
||
|
- matrix[0][0] * matrix[1][3] * matrix[2][2] * matrix[3][1]
|
||
|
- matrix[0][2] * matrix[1][0] * matrix[2][3] * matrix[3][1]
|
||
|
+ matrix[0][0] * matrix[1][2] * matrix[2][3] * matrix[3][1]
|
||
|
+ matrix[0][3] * matrix[1][1] * matrix[2][0] * matrix[3][2]
|
||
|
- matrix[0][1] * matrix[1][3] * matrix[2][0] * matrix[3][2]
|
||
|
- matrix[0][3] * matrix[1][0] * matrix[2][1] * matrix[3][2]
|
||
|
+ matrix[0][0] * matrix[1][3] * matrix[2][1] * matrix[3][2]
|
||
|
+ matrix[0][1] * matrix[1][0] * matrix[2][3] * matrix[3][2]
|
||
|
- matrix[0][0] * matrix[1][1] * matrix[2][3] * matrix[3][2]
|
||
|
- matrix[0][2] * matrix[1][1] * matrix[2][0] * matrix[3][3]
|
||
|
+ matrix[0][1] * matrix[1][2] * matrix[2][0] * matrix[3][3]
|
||
|
+ matrix[0][2] * matrix[1][0] * matrix[2][1] * matrix[3][3]
|
||
|
- matrix[0][0] * matrix[1][2] * matrix[2][1] * matrix[3][3]
|
||
|
- matrix[0][1] * matrix[1][0] * matrix[2][2] * matrix[3][3]
|
||
|
+ matrix[0][0] * matrix[1][1] * matrix[2][2] * matrix[3][3];
|
||
|
}
|
||
|
})();
|
||
|
|
||
|
//----------------------------------------------------------------------
|
||
|
//
|
||
|
// Promise wrappers for paint_listener.js
|
||
|
//
|
||
|
//----------------------------------------------------------------------
|
||
|
|
||
|
// Returns a Promise that resolves once all paints have completed
|
||
|
function waitForPaints() {
|
||
|
return new Promise(function(resolve, reject) {
|
||
|
waitForAllPaints(resolve);
|
||
|
});
|
||
|
}
|
||
|
|
||
|
// As with waitForPaints but also flushes pending style changes before waiting
|
||
|
function waitForPaintsFlushed() {
|
||
|
return new Promise(function(resolve, reject) {
|
||
|
waitForAllPaintsFlushed(resolve);
|
||
|
});
|
||
|
}
|
||
|
|
||
|
function waitForVisitedLinkColoring(visitedLink, waitProperty, waitValue) {
|
||
|
function checkLink(resolve) {
|
||
|
if (SpecialPowers.DOMWindowUtils
|
||
|
.getVisitedDependentComputedStyle(visitedLink, "", waitProperty) ==
|
||
|
waitValue) {
|
||
|
// Our link has been styled as visited. Resolve.
|
||
|
resolve(true);
|
||
|
} else {
|
||
|
// Our link is not yet styled as visited. Poll for completion.
|
||
|
setTimeout(checkLink, 0, resolve);
|
||
|
}
|
||
|
}
|
||
|
return new Promise(function(resolve, reject) {
|
||
|
checkLink(resolve);
|
||
|
});
|
||
|
}
|