Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 527 insertions, 0 deletions

diff --git a/dom/animation/test/testcommon.js b/dom/animation/test/testcommon.js
new file mode 100644
index 0000000000..e1645d4a19
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+++ b/dom/animation/test/testcommon.js
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+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Use this variable if you specify duration or some other properties
+ * for script animation.
+ * E.g., div.animate({ opacity: [0, 1] }, 100 * MS_PER_SEC);
+ *
+ * NOTE: Creating animations with short duration may cause intermittent
+ * failures in asynchronous test. For example, the short duration animation
+ * might be finished when animation.ready has been fulfilled because of slow
+ * platforms or busyness of the main thread.
+ * Setting short duration to cancel its animation does not matter but
+ * if you don't want to cancel the animation, consider using longer duration.
+ */
+const MS_PER_SEC = 1000;
+
+/* The recommended minimum precision to use for time values[1].
+ *
+ * [1] https://drafts.csswg.org/web-animations/#precision-of-time-values
+ */
+var TIME_PRECISION = 0.0005; // ms
+
+/*
+ * Allow implementations to substitute an alternative method for comparing
+ * times based on their precision requirements.
+ */
+function assert_times_equal(actual, expected, description) {
+  assert_approx_equals(actual, expected, TIME_PRECISION * 2, description);
+}
+
+/*
+ * Compare a time value based on its precision requirements with a fixed value.
+ */
+function assert_time_equals_literal(actual, expected, description) {
+  assert_approx_equals(actual, expected, TIME_PRECISION, description);
+}
+
+/*
+ * Compare matrix string like 'matrix(1, 0, 0, 1, 100, 0)'.
+ * This function allows error, 0.01, because on Android when we are scaling down
+ * the document, it results in some errors.
+ */
+function assert_matrix_equals(actual, expected, description) {
+  var matrixRegExp = /^matrix\((.+),(.+),(.+),(.+),(.+),(.+)\)/;
+  assert_regexp_match(actual, matrixRegExp, "Actual value should be a matrix");
+  assert_regexp_match(
+    expected,
+    matrixRegExp,
+    "Expected value should be a matrix"
+  );
+
+  var actualMatrixArray = actual.match(matrixRegExp).slice(1).map(Number);
+  var expectedMatrixArray = expected.match(matrixRegExp).slice(1).map(Number);
+
+  assert_equals(
+    actualMatrixArray.length,
+    expectedMatrixArray.length,
+    "Array lengths should be equal (got '" +
+      expected +
+      "' and '" +
+      actual +
+      "'): " +
+      description
+  );
+  for (var i = 0; i < actualMatrixArray.length; i++) {
+    assert_approx_equals(
+      actualMatrixArray[i],
+      expectedMatrixArray[i],
+      0.01,
+      "Matrix array should be equal (got '" +
+        expected +
+        "' and '" +
+        actual +
+        "'): " +
+        description
+    );
+  }
+}
+
+/**
+ * Compare given values which are same format of
+ * KeyframeEffectReadonly::GetProperties.
+ */
+function assert_properties_equal(actual, expected) {
+  assert_equals(actual.length, expected.length);
+
+  const compareProperties = (a, b) =>
+    a.property == b.property ? 0 : a.property < b.property ? -1 : 1;
+
+  const sortedActual = actual.sort(compareProperties);
+  const sortedExpected = expected.sort(compareProperties);
+
+  const serializeValues = values =>
+    values
+      .map(
+        value =>
+          "{ " +
+          ["offset", "value", "easing", "composite"]
+            .map(member => `${member}: ${value[member]}`)
+            .join(", ") +
+          " }"
+      )
+      .join(", ");
+
+  for (let i = 0; i < sortedActual.length; i++) {
+    assert_equals(
+      sortedActual[i].property,
+      sortedExpected[i].property,
+      "CSS property name should match"
+    );
+    assert_equals(
+      serializeValues(sortedActual[i].values),
+      serializeValues(sortedExpected[i].values),
+      `Values arrays do not match for ` + `${sortedActual[i].property} property`
+    );
+  }
+}
+
+/**
+ * Construct a object which is same to a value of
+ * KeyframeEffectReadonly::GetProperties().
+ * The method returns undefined as a value in case of missing keyframe.
+ * Therefor, we can use undefined for |value| and |easing| parameter.
+ * @param offset - keyframe offset. e.g. 0.1
+ * @param value - any keyframe value. e.g. undefined '1px', 'center', 0.5
+ * @param composite - 'replace', 'add', 'accumulate'
+ * @param easing - e.g. undefined, 'linear', 'ease' and so on
+ * @return Object -
+ *   e.g. { offset: 0.1, value: '1px', composite: 'replace', easing: 'ease'}
+ */
+function valueFormat(offset, value, composite, easing) {
+  return { offset, value, easing, composite };
+}
+
+/**
+ * Appends a div to the document body and creates an animation on the div.
+ * NOTE: This function asserts when trying to create animations with durations
+ * shorter than 100s because the shorter duration may cause intermittent
+ * failures.  If you are not sure how long it is suitable, use 100s; it's
+ * long enough but shorter than our test framework timeout (330s).
+ * If you really need to use shorter durations, use animate() function directly.
+ *
+ * @param t  The testharness.js Test object. If provided, this will be used
+ *           to register a cleanup callback to remove the div when the test
+ *           finishes.
+ * @param attrs  A dictionary object with attribute names and values to set on
+ *               the div.
+ * @param frames  The keyframes passed to Element.animate().
+ * @param options  The options passed to Element.animate().
+ */
+function addDivAndAnimate(t, attrs, frames, options) {
+  let animDur = typeof options === "object" ? options.duration : options;
+  assert_greater_than_equal(
+    animDur,
+    100 * MS_PER_SEC,
+    "Clients of this addDivAndAnimate API must request a duration " +
+      "of at least 100s, to avoid intermittent failures from e.g." +
+      "the main thread being busy for an extended period"
+  );
+
+  return addDiv(t, attrs).animate(frames, options);
+}
+
+/**
+ * Appends a div to the document body.
+ *
+ * @param t  The testharness.js Test object. If provided, this will be used
+ *           to register a cleanup callback to remove the div when the test
+ *           finishes.
+ *
+ * @param attrs  A dictionary object with attribute names and values to set on
+ *               the div.
+ */
+function addDiv(t, attrs) {
+  var div = document.createElement("div");
+  if (attrs) {
+    for (var attrName in attrs) {
+      div.setAttribute(attrName, attrs[attrName]);
+    }
+  }
+  document.body.appendChild(div);
+  if (t && typeof t.add_cleanup === "function") {
+    t.add_cleanup(function () {
+      if (div.parentNode) {
+        div.remove();
+      }
+    });
+  }
+  return div;
+}
+
+/**
+ * Appends a style div to the document head.
+ *
+ * @param t  The testharness.js Test object. If provided, this will be used
+ *           to register a cleanup callback to remove the style element
+ *           when the test finishes.
+ *
+ * @param rules  A dictionary object with selector names and rules to set on
+ *               the style sheet.
+ */
+function addStyle(t, rules) {
+  var extraStyle = document.createElement("style");
+  document.head.appendChild(extraStyle);
+  if (rules) {
+    var sheet = extraStyle.sheet;
+    for (var selector in rules) {
+      sheet.insertRule(
+        selector + "{" + rules[selector] + "}",
+        sheet.cssRules.length
+      );
+    }
+  }
+
+  if (t && typeof t.add_cleanup === "function") {
+    t.add_cleanup(function () {
+      extraStyle.remove();
+    });
+  }
+}
+
+/**
+ * Takes a CSS property (e.g. margin-left) and returns the equivalent IDL
+ * name (e.g. marginLeft).
+ */
+function propertyToIDL(property) {
+  var prefixMatch = property.match(/^-(\w+)-/);
+  if (prefixMatch) {
+    var prefix = prefixMatch[1] === "moz" ? "Moz" : prefixMatch[1];
+    property = prefix + property.substring(prefixMatch[0].length - 1);
+  }
+  // https://drafts.csswg.org/cssom/#css-property-to-idl-attribute
+  return property.replace(/-([a-z])/gi, function (str, group) {
+    return group.toUpperCase();
+  });
+}
+
+/**
+ * Promise wrapper for requestAnimationFrame.
+ */
+function waitForFrame() {
+  return new Promise(function (resolve, reject) {
+    window.requestAnimationFrame(resolve);
+  });
+}
+
+/**
+ * Waits for a requestAnimationFrame callback in the next refresh driver tick.
+ * Note that the 'dom.animations-api.core.enabled' and
+ * 'dom.animations-api.timelines.enabled' prefs should be true to use this
+ * function.
+ */
+function waitForNextFrame(aWindow = window) {
+  const timeAtStart = aWindow.document.timeline.currentTime;
+  return new Promise(resolve => {
+    aWindow.requestAnimationFrame(() => {
+      if (timeAtStart === aWindow.document.timeline.currentTime) {
+        aWindow.requestAnimationFrame(resolve);
+      } else {
+        resolve();
+      }
+    });
+  });
+}
+
+/**
+ * Returns a Promise that is resolved after the given number of consecutive
+ * animation frames have occured (using requestAnimationFrame callbacks).
+ *
+ * @param aFrameCount  The number of animation frames.
+ * @param aOnFrame  An optional function to be processed in each animation frame.
+ * @param aWindow  An optional window object to be used for requestAnimationFrame.
+ */
+function waitForAnimationFrames(aFrameCount, aOnFrame, aWindow = window) {
+  const timeAtStart = aWindow.document.timeline.currentTime;
+  return new Promise(function (resolve, reject) {
+    function handleFrame() {
+      if (aOnFrame && typeof aOnFrame === "function") {
+        aOnFrame();
+      }
+      if (
+        timeAtStart != aWindow.document.timeline.currentTime &&
+        --aFrameCount <= 0
+      ) {
+        resolve();
+      } else {
+        aWindow.requestAnimationFrame(handleFrame); // wait another frame
+      }
+    }
+    aWindow.requestAnimationFrame(handleFrame);
+  });
+}
+
+/**
+ * Promise wrapper for requestIdleCallback.
+ */
+function waitForIdle() {
+  return new Promise(resolve => {
+    requestIdleCallback(resolve);
+  });
+}
+
+/**
+ * Wrapper that takes a sequence of N animations and returns:
+ *
+ *   Promise.all([animations[0].ready, animations[1].ready, ... animations[N-1].ready]);
+ */
+function waitForAllAnimations(animations) {
+  return Promise.all(
+    animations.map(function (animation) {
+      return animation.ready;
+    })
+  );
+}
+
+/**
+ * Flush the computed style for the given element. This is useful, for example,
+ * when we are testing a transition and need the initial value of a property
+ * to be computed so that when we synchronouslyet set it to a different value
+ * we actually get a transition instead of that being the initial value.
+ */
+function flushComputedStyle(elem) {
+  var cs = getComputedStyle(elem);
+  cs.marginLeft;
+}
+
+if (opener) {
+  for (var funcName of [
+    "async_test",
+    "assert_not_equals",
+    "assert_equals",
+    "assert_approx_equals",
+    "assert_less_than",
+    "assert_less_than_equal",
+    "assert_greater_than",
+    "assert_between_inclusive",
+    "assert_true",
+    "assert_false",
+    "assert_class_string",
+    "assert_throws",
+    "assert_unreached",
+    "assert_regexp_match",
+    "promise_test",
+    "test",
+  ]) {
+    if (opener[funcName]) {
+      window[funcName] = opener[funcName].bind(opener);
+    }
+  }
+
+  window.EventWatcher = opener.EventWatcher;
+
+  function done() {
+    opener.add_completion_callback(function () {
+      self.close();
+    });
+    opener.done();
+  }
+}
+
+/*
+ * Returns a promise that is resolved when the document has finished loading.
+ */
+function waitForDocumentLoad() {
+  return new Promise(function (resolve, reject) {
+    if (document.readyState === "complete") {
+      resolve();
+    } else {
+      window.addEventListener("load", resolve);
+    }
+  });
+}
+
+/*
+ * Enters test refresh mode, and restores the mode when |t| finishes.
+ */
+function useTestRefreshMode(t) {
+  function ensureNoSuppressedPaints() {
+    return new Promise(resolve => {
+      function checkSuppressedPaints() {
+        if (!SpecialPowers.DOMWindowUtils.paintingSuppressed) {
+          resolve();
+        } else {
+          window.requestAnimationFrame(checkSuppressedPaints);
+        }
+      }
+      checkSuppressedPaints();
+    });
+  }
+
+  return ensureNoSuppressedPaints().then(() => {
+    SpecialPowers.DOMWindowUtils.advanceTimeAndRefresh(0);
+    t.add_cleanup(() => {
+      SpecialPowers.DOMWindowUtils.restoreNormalRefresh();
+    });
+  });
+}
+
+/**
+ * Returns true if off-main-thread animations.
+ */
+function isOMTAEnabled() {
+  const OMTAPrefKey = "layers.offmainthreadcomposition.async-animations";
+  return (
+    SpecialPowers.DOMWindowUtils.layerManagerRemote &&
+    SpecialPowers.getBoolPref(OMTAPrefKey)
+  );
+}
+
+/**
+ * Append an SVG element to the target element.
+ *
+ * @param target The element which want to append.
+ * @param attrs  A array object with attribute name and values to set on
+ *               the SVG element.
+ * @return An SVG outer element.
+ */
+function addSVGElement(target, tag, attrs) {
+  if (!target) {
+    return null;
+  }
+  var element = document.createElementNS("http://www.w3.org/2000/svg", tag);
+  if (attrs) {
+    for (var attrName in attrs) {
+      element.setAttributeNS(null, attrName, attrs[attrName]);
+    }
+  }
+  target.appendChild(element);
+  return element;
+}
+
+/*
+ * Get Animation distance between two specified values for a specific property.
+ *
+ * @param target The target element.
+ * @param prop The CSS property.
+ * @param v1 The first property value.
+ * @param v2 The Second property value.
+ *
+ * @return The distance between |v1| and |v2| for |prop| on |target|.
+ */
+function getDistance(target, prop, v1, v2) {
+  if (!target) {
+    return 0.0;
+  }
+  return SpecialPowers.DOMWindowUtils.computeAnimationDistance(
+    target,
+    prop,
+    v1,
+    v2
+  );
+}
+
+/*
+ * A promise wrapper for waiting MozAfterPaint.
+ */
+function waitForPaints() {
+  // FIXME: Bug 1415065. Instead waiting for two requestAnimationFrames, we
+  // should wait for MozAfterPaint once after MozAfterPaint is fired properly
+  // (bug 1341294).
+  return waitForAnimationFrames(2);
+}
+
+// Returns true if |aAnimation| begins at the current timeline time.  We
+// sometimes need to detect this case because if we started an animation
+// asynchronously (e.g. using play()) and then ended up running the next frame
+// at precisely the time the animation started (due to aligning with vsync
+// refresh rate) then we won't end up restyling in that frame.
+function animationStartsRightNow(aAnimation) {
+  return (
+    aAnimation.startTime === aAnimation.timeline.currentTime &&
+    aAnimation.currentTime === 0
+  );
+}
+
+// Waits for a given animation being ready to restyle.
+async function waitForAnimationReadyToRestyle(aAnimation) {
+  await aAnimation.ready;
+  // If |aAnimation| begins at the current timeline time, we will not process
+  // restyling in the initial frame because of aligning with the refresh driver,
+  // the animation frame in which the ready promise is resolved happens to
+  // coincide perfectly with the start time of the animation.  In this case no
+  // restyling is needed in the frame so we have to wait one more frame.
+  if (animationStartsRightNow(aAnimation)) {
+    await waitForNextFrame(aAnimation.ownerGlobal);
+  }
+}
+
+function getDocShellForObservingRestylesForWindow(aWindow) {
+  const docShell = SpecialPowers.wrap(aWindow).docShell;
+
+  docShell.recordProfileTimelineMarkers = true;
+  docShell.popProfileTimelineMarkers();
+
+  return docShell;
+}
+
+// Returns the animation restyle markers observed during |frameCount| refresh
+// driver ticks in this `window`.  This function is typically used to count the
+// number of restyles that take place as part of the style update that happens
+// on each refresh driver tick, as opposed to synchronous restyles triggered by
+// script.
+//
+// For the latter observeAnimSyncStyling (below) should be used.
+function observeStyling(frameCount, onFrame) {
+  return observeStylingInTargetWindow(window, frameCount, onFrame);
+}
+
+// As with observeStyling but applied to target window |aWindow|.
+function observeStylingInTargetWindow(aWindow, aFrameCount, aOnFrame) {
+  const docShell = getDocShellForObservingRestylesForWindow(aWindow);
+
+  return new Promise(resolve => {
+    return waitForAnimationFrames(aFrameCount, aOnFrame, aWindow).then(() => {
+      const markers = docShell.popProfileTimelineMarkers();
+      docShell.recordProfileTimelineMarkers = false;
+      const stylingMarkers = Array.prototype.filter.call(
+        markers,
+        (marker, index) => {
+          return marker.name == "Styles" && marker.isAnimationOnly;
+        }
+      );
+      resolve(stylingMarkers);
+    });
+  });
+}