Adding upstream version 124.0.1.upstream/124.0.1

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

1 files changed, 1015 insertions, 0 deletions

diff --git a/dom/smil/test/smilTestUtils.js b/dom/smil/test/smilTestUtils.js
new file mode 100644
index 0000000000..be270a39bf
--- /dev/null
+++ b/dom/smil/test/smilTestUtils.js
@@ -0,0 +1,1015 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ts=2 sw=2 sts=2 et: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+// Note: Class syntax roughly based on:
+// https://developer.mozilla.org/en/Core_JavaScript_1.5_Guide/Inheritance
+const SVG_NS = "http://www.w3.org/2000/svg";
+const XLINK_NS = "http://www.w3.org/1999/xlink";
+
+const MPATH_TARGET_ID = "smilTestUtilsTestingPath";
+
+function extend(child, supertype) {
+  child.prototype.__proto__ = supertype.prototype;
+}
+
+// General Utility Methods
+var SMILUtil = {
+  // Returns the first matched <svg> node in the document
+  getSVGRoot() {
+    return SMILUtil.getFirstElemWithTag("svg");
+  },
+
+  // Returns the first element in the document with the matching tag
+  getFirstElemWithTag(aTargetTag) {
+    var elemList = document.getElementsByTagName(aTargetTag);
+    return !elemList.length ? null : elemList[0];
+  },
+
+  // Simple wrapper for getComputedStyle
+  getComputedStyleSimple(elem, prop) {
+    return window.getComputedStyle(elem).getPropertyValue(prop);
+  },
+
+  getAttributeValue(elem, attr) {
+    if (attr.attrName == SMILUtil.getMotionFakeAttributeName()) {
+      // Fake motion "attribute" -- "computed value" is the element's CTM
+      return elem.getCTM();
+    }
+    if (attr.attrType == "CSS") {
+      return SMILUtil.getComputedStyleWrapper(elem, attr.attrName);
+    }
+    if (attr.attrType == "XML") {
+      // XXXdholbert This is appropriate for mapped attributes, but not
+      // for other attributes.
+      return SMILUtil.getComputedStyleWrapper(elem, attr.attrName);
+    }
+    throw new Error(`Unexpected attribute value ${attr.attrType}`);
+  },
+
+  // Smart wrapper for getComputedStyle, which will generate a "fake" computed
+  // style for recognized shorthand properties (font, font-variant, overflow, marker)
+  getComputedStyleWrapper(elem, propName) {
+    // Special cases for shorthand properties (which aren't directly queriable
+    // via getComputedStyle)
+    var computedStyle;
+    if (propName == "font") {
+      var subProps = [
+        "font-style",
+        "font-variant-caps",
+        "font-weight",
+        "font-size",
+        "line-height",
+        "font-family",
+      ];
+      for (var i in subProps) {
+        var subPropStyle = SMILUtil.getComputedStyleSimple(elem, subProps[i]);
+        if (subPropStyle) {
+          if (subProps[i] == "line-height") {
+            // There needs to be a "/" before line-height
+            subPropStyle = "/ " + subPropStyle;
+          }
+          if (!computedStyle) {
+            computedStyle = subPropStyle;
+          } else {
+            computedStyle = computedStyle + " " + subPropStyle;
+          }
+        }
+      }
+    } else if (propName == "font-variant") {
+      // xxx - this isn't completely correct but it's sufficient for what's
+      //       being tested here
+      computedStyle = SMILUtil.getComputedStyleSimple(
+        elem,
+        "font-variant-caps"
+      );
+    } else if (propName == "marker") {
+      var subProps = ["marker-end", "marker-mid", "marker-start"];
+      for (var i in subProps) {
+        if (!computedStyle) {
+          computedStyle = SMILUtil.getComputedStyleSimple(elem, subProps[i]);
+        } else {
+          is(
+            computedStyle,
+            SMILUtil.getComputedStyleSimple(elem, subProps[i]),
+            "marker sub-properties should match each other " +
+              "(they shouldn't be individually set)"
+          );
+        }
+      }
+    } else if (propName == "overflow") {
+      var subProps = ["overflow-x", "overflow-y"];
+      for (var i in subProps) {
+        if (!computedStyle) {
+          computedStyle = SMILUtil.getComputedStyleSimple(elem, subProps[i]);
+        } else {
+          is(
+            computedStyle,
+            SMILUtil.getComputedStyleSimple(elem, subProps[i]),
+            "overflow sub-properties should match each other " +
+              "(they shouldn't be individually set)"
+          );
+        }
+      }
+    } else {
+      computedStyle = SMILUtil.getComputedStyleSimple(elem, propName);
+    }
+    return computedStyle;
+  },
+
+  getMotionFakeAttributeName() {
+    return "_motion";
+  },
+
+  // Return stripped px value from specified value.
+  stripPx: str => str.replace(/px\s*$/, ""),
+};
+
+var CTMUtil = {
+  CTM_COMPONENTS_ALL: ["a", "b", "c", "d", "e", "f"],
+  CTM_COMPONENTS_ROTATE: ["a", "b", "c", "d"],
+
+  // Function to generate a CTM Matrix from a "summary"
+  // (a 3-tuple containing [tX, tY, theta])
+  generateCTM(aCtmSummary) {
+    if (!aCtmSummary || aCtmSummary.length != 3) {
+      ok(false, "Unexpected CTM summary tuple length: " + aCtmSummary.length);
+    }
+    var tX = aCtmSummary[0];
+    var tY = aCtmSummary[1];
+    var theta = aCtmSummary[2];
+    var cosTheta = Math.cos(theta);
+    var sinTheta = Math.sin(theta);
+    var newCtm = {
+      a: cosTheta,
+      c: -sinTheta,
+      e: tX,
+      b: sinTheta,
+      d: cosTheta,
+      f: tY,
+    };
+    return newCtm;
+  },
+
+  /// Helper for isCtmEqual
+  isWithinDelta(aTestVal, aExpectedVal, aErrMsg, aIsTodo) {
+    var testFunc = aIsTodo ? todo : ok;
+    const delta = 0.00001; // allowing margin of error = 10^-5
+    ok(
+      aTestVal >= aExpectedVal - delta && aTestVal <= aExpectedVal + delta,
+      aErrMsg + " | got: " + aTestVal + ", expected: " + aExpectedVal
+    );
+  },
+
+  assertCTMEqual(aLeftCtm, aRightCtm, aComponentsToCheck, aErrMsg, aIsTodo) {
+    var foundCTMDifference = false;
+    for (var j in aComponentsToCheck) {
+      var curComponent = aComponentsToCheck[j];
+      if (!aIsTodo) {
+        CTMUtil.isWithinDelta(
+          aLeftCtm[curComponent],
+          aRightCtm[curComponent],
+          aErrMsg + " | component: " + curComponent,
+          false
+        );
+      } else if (aLeftCtm[curComponent] != aRightCtm[curComponent]) {
+        foundCTMDifference = true;
+      }
+    }
+
+    if (aIsTodo) {
+      todo(!foundCTMDifference, aErrMsg + " | (currently marked todo)");
+    }
+  },
+
+  assertCTMNotEqual(aLeftCtm, aRightCtm, aComponentsToCheck, aErrMsg, aIsTodo) {
+    // CTM should not match initial one
+    var foundCTMDifference = false;
+    for (var j in aComponentsToCheck) {
+      var curComponent = aComponentsToCheck[j];
+      if (aLeftCtm[curComponent] != aRightCtm[curComponent]) {
+        foundCTMDifference = true;
+        break; // We found a difference, as expected. Success!
+      }
+    }
+
+    if (aIsTodo) {
+      todo(foundCTMDifference, aErrMsg + " | (currently marked todo)");
+    } else {
+      ok(foundCTMDifference, aErrMsg);
+    }
+  },
+};
+
+// Wrapper for timing information
+function SMILTimingData(aBegin, aDur) {
+  this._begin = aBegin;
+  this._dur = aDur;
+}
+SMILTimingData.prototype = {
+  _begin: null,
+  _dur: null,
+  getBeginTime() {
+    return this._begin;
+  },
+  getDur() {
+    return this._dur;
+  },
+  getEndTime() {
+    return this._begin + this._dur;
+  },
+  getFractionalTime(aPortion) {
+    return this._begin + aPortion * this._dur;
+  },
+};
+
+/**
+ * Attribute: a container for information about an attribute we'll
+ * attempt to animate with SMIL in our tests.
+ *
+ * See also the factory methods below: NonAnimatableAttribute(),
+ * NonAdditiveAttribute(), and AdditiveAttribute().
+ *
+ * @param aAttrName The name of the attribute
+ * @param aAttrType The type of the attribute ("CSS" vs "XML")
+ * @param aTargetTag The name of an element that this attribute could be
+ *                   applied to.
+ * @param aIsAnimatable A bool indicating whether this attribute is defined as
+ *                      animatable in the SVG spec.
+ * @param aIsAdditive   A bool indicating whether this attribute is defined as
+ *                      additive (i.e. supports "by" animation) in the SVG spec.
+ */
+function Attribute(
+  aAttrName,
+  aAttrType,
+  aTargetTag,
+  aIsAnimatable,
+  aIsAdditive
+) {
+  this.attrName = aAttrName;
+  this.attrType = aAttrType;
+  this.targetTag = aTargetTag;
+  this.isAnimatable = aIsAnimatable;
+  this.isAdditive = aIsAdditive;
+}
+Attribute.prototype = {
+  // Member variables
+  attrName: null,
+  attrType: null,
+  isAnimatable: null,
+  testcaseList: null,
+};
+
+// Generators for Attribute objects.  These allow lists of attribute
+// definitions to be more human-readible than if we were using Attribute() with
+// boolean flags, e.g. "Attribute(..., true, true), Attribute(..., true, false)
+function NonAnimatableAttribute(aAttrName, aAttrType, aTargetTag) {
+  return new Attribute(aAttrName, aAttrType, aTargetTag, false, false);
+}
+function NonAdditiveAttribute(aAttrName, aAttrType, aTargetTag) {
+  return new Attribute(aAttrName, aAttrType, aTargetTag, true, false);
+}
+function AdditiveAttribute(aAttrName, aAttrType, aTargetTag) {
+  return new Attribute(aAttrName, aAttrType, aTargetTag, true, true);
+}
+
+/**
+ * TestcaseBundle: a container for a group of tests for a particular attribute
+ *
+ * @param aAttribute An Attribute object for the attribute
+ * @param aTestcaseList An array of AnimTestcase objects
+ */
+function TestcaseBundle(aAttribute, aTestcaseList, aSkipReason) {
+  this.animatedAttribute = aAttribute;
+  this.testcaseList = aTestcaseList;
+  this.skipReason = aSkipReason;
+}
+TestcaseBundle.prototype = {
+  // Member variables
+  animatedAttribute: null,
+  testcaseList: null,
+  skipReason: null,
+
+  // Methods
+  go(aTimingData) {
+    if (this.skipReason) {
+      todo(
+        false,
+        "Skipping a bundle for '" +
+          this.animatedAttribute.attrName +
+          "' because: " +
+          this.skipReason
+      );
+    } else {
+      // Sanity Check: Bundle should have > 0 testcases
+      if (!this.testcaseList || !this.testcaseList.length) {
+        ok(
+          false,
+          "a bundle for '" +
+            this.animatedAttribute.attrName +
+            "' has no testcases"
+        );
+      }
+
+      var targetElem = SMILUtil.getFirstElemWithTag(
+        this.animatedAttribute.targetTag
+      );
+
+      if (!targetElem) {
+        ok(
+          false,
+          "Error: can't find an element of type '" +
+            this.animatedAttribute.targetTag +
+            "', so I can't test property '" +
+            this.animatedAttribute.attrName +
+            "'"
+        );
+        return;
+      }
+
+      for (var testcaseIdx in this.testcaseList) {
+        var testcase = this.testcaseList[testcaseIdx];
+        if (testcase.skipReason) {
+          todo(
+            false,
+            "Skipping a testcase for '" +
+              this.animatedAttribute.attrName +
+              "' because: " +
+              testcase.skipReason
+          );
+        } else {
+          testcase.runTest(
+            targetElem,
+            this.animatedAttribute,
+            aTimingData,
+            false
+          );
+          testcase.runTest(
+            targetElem,
+            this.animatedAttribute,
+            aTimingData,
+            true
+          );
+        }
+      }
+    }
+  },
+};
+
+/**
+ * AnimTestcase: an abstract class that represents an animation testcase.
+ * (e.g. a set of "from"/"to" values to test)
+ */
+function AnimTestcase() {} // abstract => no constructor
+AnimTestcase.prototype = {
+  // Member variables
+  _animElementTagName: "animate", // Can be overridden for e.g. animateColor
+  computedValMap: null,
+  skipReason: null,
+
+  // Methods
+  /**
+   * runTest: Runs this AnimTestcase
+   *
+   * @param aTargetElem The node to be targeted in our test animation.
+   * @param aTargetAttr An Attribute object representing the attribute
+   *                    to be targeted in our test animation.
+   * @param aTimeData A SMILTimingData object with timing information for
+   *                  our test animation.
+   * @param aIsFreeze If true, indicates that our test animation should use
+   *                  fill="freeze"; otherwise, we'll default to fill="remove".
+   */
+  runTest(aTargetElem, aTargetAttr, aTimeData, aIsFreeze) {
+    // SANITY CHECKS
+    if (!SMILUtil.getSVGRoot().animationsPaused()) {
+      ok(false, "Should start each test with animations paused");
+    }
+    if (SMILUtil.getSVGRoot().getCurrentTime() != 0) {
+      ok(false, "Should start each test at time = 0");
+    }
+
+    // SET UP
+    // Cache initial computed value
+    var baseVal = SMILUtil.getAttributeValue(aTargetElem, aTargetAttr);
+
+    // Create & append animation element
+    var anim = this.setupAnimationElement(aTargetAttr, aTimeData, aIsFreeze);
+    aTargetElem.appendChild(anim);
+
+    // Build a list of [seek-time, expectedValue, errorMessage] triplets
+    var seekList = this.buildSeekList(
+      aTargetAttr,
+      baseVal,
+      aTimeData,
+      aIsFreeze
+    );
+
+    // DO THE ACTUAL TESTING
+    this.seekAndTest(seekList, aTargetElem, aTargetAttr);
+
+    // CLEAN UP
+    aTargetElem.removeChild(anim);
+    SMILUtil.getSVGRoot().setCurrentTime(0);
+  },
+
+  // HELPER FUNCTIONS
+  // setupAnimationElement: <animate> element
+  // Subclasses should extend this parent method
+  setupAnimationElement(aAnimAttr, aTimeData, aIsFreeze) {
+    var animElement = document.createElementNS(
+      SVG_NS,
+      this._animElementTagName
+    );
+    animElement.setAttribute("attributeName", aAnimAttr.attrName);
+    animElement.setAttribute("attributeType", aAnimAttr.attrType);
+    animElement.setAttribute("begin", aTimeData.getBeginTime());
+    animElement.setAttribute("dur", aTimeData.getDur());
+    if (aIsFreeze) {
+      animElement.setAttribute("fill", "freeze");
+    }
+    return animElement;
+  },
+
+  buildSeekList(aAnimAttr, aBaseVal, aTimeData, aIsFreeze) {
+    if (!aAnimAttr.isAnimatable) {
+      return this.buildSeekListStatic(
+        aAnimAttr,
+        aBaseVal,
+        aTimeData,
+        "defined as non-animatable in SVG spec"
+      );
+    }
+    if (this.computedValMap.noEffect) {
+      return this.buildSeekListStatic(
+        aAnimAttr,
+        aBaseVal,
+        aTimeData,
+        "testcase specified to have no effect"
+      );
+    }
+    return this.buildSeekListAnimated(
+      aAnimAttr,
+      aBaseVal,
+      aTimeData,
+      aIsFreeze
+    );
+  },
+
+  seekAndTest(aSeekList, aTargetElem, aTargetAttr) {
+    var svg = document.getElementById("svg");
+    for (var i in aSeekList) {
+      var entry = aSeekList[i];
+      SMILUtil.getSVGRoot().setCurrentTime(entry[0]);
+
+      // Bug 1379908: The computed value of stroke-* properties should be
+      // serialized with px units, but currently Gecko and Servo don't do that
+      // when animating these values.
+      if (
+        ["stroke-width", "stroke-dasharray", "stroke-dashoffset"].includes(
+          aTargetAttr.attrName
+        )
+      ) {
+        var attr = SMILUtil.stripPx(
+          SMILUtil.getAttributeValue(aTargetElem, aTargetAttr)
+        );
+        var expectedVal = SMILUtil.stripPx(entry[1]);
+        is(attr, expectedVal, entry[2]);
+        return;
+      }
+      is(
+        SMILUtil.getAttributeValue(aTargetElem, aTargetAttr),
+        entry[1],
+        entry[2]
+      );
+    }
+  },
+
+  // methods that expect to be overridden in subclasses
+  buildSeekListStatic(aAnimAttr, aBaseVal, aTimeData, aReasonStatic) {},
+  buildSeekListAnimated(aAnimAttr, aBaseVal, aTimeData, aIsFreeze) {},
+};
+
+// Abstract parent class to share code between from-to & from-by testcases.
+function AnimTestcaseFrom() {} // abstract => no constructor
+AnimTestcaseFrom.prototype = {
+  // Member variables
+  from: null,
+
+  // Methods
+  setupAnimationElement(aAnimAttr, aTimeData, aIsFreeze) {
+    // Call super, and then add my own customization
+    var animElem = AnimTestcase.prototype.setupAnimationElement.apply(this, [
+      aAnimAttr,
+      aTimeData,
+      aIsFreeze,
+    ]);
+    animElem.setAttribute("from", this.from);
+    return animElem;
+  },
+
+  buildSeekListStatic(aAnimAttr, aBaseVal, aTimeData, aReasonStatic) {
+    var seekList = new Array();
+    var msgPrefix =
+      aAnimAttr.attrName + ": shouldn't be affected by animation ";
+    seekList.push([
+      aTimeData.getBeginTime(),
+      aBaseVal,
+      msgPrefix + "(at animation begin) - " + aReasonStatic,
+    ]);
+    seekList.push([
+      aTimeData.getFractionalTime(1 / 2),
+      aBaseVal,
+      msgPrefix + "(at animation mid) - " + aReasonStatic,
+    ]);
+    seekList.push([
+      aTimeData.getEndTime(),
+      aBaseVal,
+      msgPrefix + "(at animation end) - " + aReasonStatic,
+    ]);
+    seekList.push([
+      aTimeData.getEndTime() + aTimeData.getDur(),
+      aBaseVal,
+      msgPrefix + "(after animation end) - " + aReasonStatic,
+    ]);
+    return seekList;
+  },
+
+  buildSeekListAnimated(aAnimAttr, aBaseVal, aTimeData, aIsFreeze) {
+    var seekList = new Array();
+    var msgPrefix = aAnimAttr.attrName + ": ";
+    if (aTimeData.getBeginTime() > 0.1) {
+      seekList.push([
+        aTimeData.getBeginTime() - 0.1,
+        aBaseVal,
+        msgPrefix +
+          "checking that base value is set " +
+          "before start of animation",
+      ]);
+    }
+
+    seekList.push([
+      aTimeData.getBeginTime(),
+      this.computedValMap.fromComp || this.from,
+      msgPrefix +
+        "checking that 'from' value is set " +
+        "at start of animation",
+    ]);
+    seekList.push([
+      aTimeData.getFractionalTime(1 / 2),
+      this.computedValMap.midComp || this.computedValMap.toComp || this.to,
+      msgPrefix + "checking value halfway through animation",
+    ]);
+
+    var finalMsg;
+    var expectedEndVal;
+    if (aIsFreeze) {
+      expectedEndVal = this.computedValMap.toComp || this.to;
+      finalMsg = msgPrefix + "[freeze-mode] checking that final value is set ";
+    } else {
+      expectedEndVal = aBaseVal;
+      finalMsg =
+        msgPrefix + "[remove-mode] checking that animation is cleared ";
+    }
+    seekList.push([
+      aTimeData.getEndTime(),
+      expectedEndVal,
+      finalMsg + "at end of animation",
+    ]);
+    seekList.push([
+      aTimeData.getEndTime() + aTimeData.getDur(),
+      expectedEndVal,
+      finalMsg + "after end of animation",
+    ]);
+    return seekList;
+  },
+};
+extend(AnimTestcaseFrom, AnimTestcase);
+
+/*
+ * A testcase for a simple "from-to" animation
+ * @param aFrom  The 'from' value
+ * @param aTo    The 'to' value
+ * @param aComputedValMap  A hash-map that contains some computed values,
+ *                         if they're needed, as follows:
+ *    - fromComp: Computed value version of |aFrom| (if different from |aFrom|)
+ *    - midComp:  Computed value that we expect to visit halfway through the
+ *                animation (if different from |aTo|)
+ *    - toComp:   Computed value version of |aTo| (if different from |aTo|)
+ *    - noEffect: Special flag -- if set, indicates that this testcase is
+ *                expected to have no effect on the computed value. (e.g. the
+ *                given values are invalid.)
+ * @param aSkipReason  If this test-case is known to currently fail, this
+ *                     parameter should be a string explaining why.
+ *                     Otherwise, this value should be null (or omitted).
+ *
+ */
+function AnimTestcaseFromTo(aFrom, aTo, aComputedValMap, aSkipReason) {
+  this.from = aFrom;
+  this.to = aTo;
+  this.computedValMap = aComputedValMap || {}; // Let aComputedValMap be omitted
+  this.skipReason = aSkipReason;
+}
+AnimTestcaseFromTo.prototype = {
+  // Member variables
+  to: null,
+
+  // Methods
+  setupAnimationElement(aAnimAttr, aTimeData, aIsFreeze) {
+    // Call super, and then add my own customization
+    var animElem = AnimTestcaseFrom.prototype.setupAnimationElement.apply(
+      this,
+      [aAnimAttr, aTimeData, aIsFreeze]
+    );
+    animElem.setAttribute("to", this.to);
+    return animElem;
+  },
+};
+extend(AnimTestcaseFromTo, AnimTestcaseFrom);
+
+/*
+ * A testcase for a simple "from-by" animation.
+ *
+ * @param aFrom  The 'from' value
+ * @param aBy    The 'by' value
+ * @param aComputedValMap  A hash-map that contains some computed values that
+ *                         we expect to visit, as follows:
+ *    - fromComp: Computed value version of |aFrom| (if different from |aFrom|)
+ *    - midComp:  Computed value that we expect to visit halfway through the
+ *                animation (|aFrom| + |aBy|/2)
+ *    - toComp:   Computed value of the animation endpoint (|aFrom| + |aBy|)
+ *    - noEffect: Special flag -- if set, indicates that this testcase is
+ *                expected to have no effect on the computed value. (e.g. the
+ *                given values are invalid.  Or the attribute may be animatable
+ *                and additive, but the particular "from" & "by" values that
+ *                are used don't support addition.)
+ * @param aSkipReason  If this test-case is known to currently fail, this
+ *                     parameter should be a string explaining why.
+ *                     Otherwise, this value should be null (or omitted).
+ */
+function AnimTestcaseFromBy(aFrom, aBy, aComputedValMap, aSkipReason) {
+  this.from = aFrom;
+  this.by = aBy;
+  this.computedValMap = aComputedValMap;
+  this.skipReason = aSkipReason;
+  if (
+    this.computedValMap &&
+    !this.computedValMap.noEffect &&
+    !this.computedValMap.toComp
+  ) {
+    ok(false, "AnimTestcaseFromBy needs expected computed final value");
+  }
+}
+AnimTestcaseFromBy.prototype = {
+  // Member variables
+  by: null,
+
+  // Methods
+  setupAnimationElement(aAnimAttr, aTimeData, aIsFreeze) {
+    // Call super, and then add my own customization
+    var animElem = AnimTestcaseFrom.prototype.setupAnimationElement.apply(
+      this,
+      [aAnimAttr, aTimeData, aIsFreeze]
+    );
+    animElem.setAttribute("by", this.by);
+    return animElem;
+  },
+  buildSeekList(aAnimAttr, aBaseVal, aTimeData, aIsFreeze) {
+    if (!aAnimAttr.isAdditive) {
+      return this.buildSeekListStatic(
+        aAnimAttr,
+        aBaseVal,
+        aTimeData,
+        "defined as non-additive in SVG spec"
+      );
+    }
+    // Just use inherited method
+    return AnimTestcaseFrom.prototype.buildSeekList.apply(this, [
+      aAnimAttr,
+      aBaseVal,
+      aTimeData,
+      aIsFreeze,
+    ]);
+  },
+};
+extend(AnimTestcaseFromBy, AnimTestcaseFrom);
+
+/*
+ * A testcase for a "paced-mode" animation
+ * @param aValues   An array of values, to be used as the "Values" list
+ * @param aComputedValMap  A hash-map that contains some computed values,
+ *                         if they're needed, as follows:
+ *      - comp0:   The computed value at the start of the animation
+ *      - comp1_6: The computed value exactly 1/6 through animation
+ *      - comp1_3: The computed value exactly 1/3 through animation
+ *      - comp2_3: The computed value exactly 2/3 through animation
+ *      - comp1:   The computed value of the animation endpoint
+ *  The math works out easiest if...
+ *    (a) aValuesString has 3 entries in its values list: vA, vB, vC
+ *    (b) dist(vB, vC) = 2 * dist(vA, vB)
+ *  With this setup, we can come up with expected intermediate values according
+ *  to the following rules:
+ *    - comp0 should be vA
+ *    - comp1_6 should be us halfway between vA and vB
+ *    - comp1_3 should be vB
+ *    - comp2_3 should be halfway between vB and vC
+ *    - comp1 should be vC
+ * @param aSkipReason  If this test-case is known to currently fail, this
+ *                     parameter should be a string explaining why.
+ *                     Otherwise, this value should be null (or omitted).
+ */
+function AnimTestcasePaced(aValuesString, aComputedValMap, aSkipReason) {
+  this.valuesString = aValuesString;
+  this.computedValMap = aComputedValMap;
+  this.skipReason = aSkipReason;
+  if (
+    this.computedValMap &&
+    (!this.computedValMap.comp0 ||
+      !this.computedValMap.comp1_6 ||
+      !this.computedValMap.comp1_3 ||
+      !this.computedValMap.comp2_3 ||
+      !this.computedValMap.comp1)
+  ) {
+    ok(false, "This AnimTestcasePaced has an incomplete computed value map");
+  }
+}
+AnimTestcasePaced.prototype = {
+  // Member variables
+  valuesString: null,
+
+  // Methods
+  setupAnimationElement(aAnimAttr, aTimeData, aIsFreeze) {
+    // Call super, and then add my own customization
+    var animElem = AnimTestcase.prototype.setupAnimationElement.apply(this, [
+      aAnimAttr,
+      aTimeData,
+      aIsFreeze,
+    ]);
+    animElem.setAttribute("values", this.valuesString);
+    animElem.setAttribute("calcMode", "paced");
+    return animElem;
+  },
+  buildSeekListAnimated(aAnimAttr, aBaseVal, aTimeData, aIsFreeze) {
+    var seekList = new Array();
+    var msgPrefix = aAnimAttr.attrName + ": checking value ";
+    seekList.push([
+      aTimeData.getBeginTime(),
+      this.computedValMap.comp0,
+      msgPrefix + "at start of animation",
+    ]);
+    seekList.push([
+      aTimeData.getFractionalTime(1 / 6),
+      this.computedValMap.comp1_6,
+      msgPrefix + "1/6 of the way through animation.",
+    ]);
+    seekList.push([
+      aTimeData.getFractionalTime(1 / 3),
+      this.computedValMap.comp1_3,
+      msgPrefix + "1/3 of the way through animation.",
+    ]);
+    seekList.push([
+      aTimeData.getFractionalTime(2 / 3),
+      this.computedValMap.comp2_3,
+      msgPrefix + "2/3 of the way through animation.",
+    ]);
+
+    var finalMsg;
+    var expectedEndVal;
+    if (aIsFreeze) {
+      expectedEndVal = this.computedValMap.comp1;
+      finalMsg =
+        aAnimAttr.attrName +
+        ": [freeze-mode] checking that final value is set ";
+    } else {
+      expectedEndVal = aBaseVal;
+      finalMsg =
+        aAnimAttr.attrName +
+        ": [remove-mode] checking that animation is cleared ";
+    }
+    seekList.push([
+      aTimeData.getEndTime(),
+      expectedEndVal,
+      finalMsg + "at end of animation",
+    ]);
+    seekList.push([
+      aTimeData.getEndTime() + aTimeData.getDur(),
+      expectedEndVal,
+      finalMsg + "after end of animation",
+    ]);
+    return seekList;
+  },
+  buildSeekListStatic(aAnimAttr, aBaseVal, aTimeData, aReasonStatic) {
+    var seekList = new Array();
+    var msgPrefix =
+      aAnimAttr.attrName + ": shouldn't be affected by animation ";
+    seekList.push([
+      aTimeData.getBeginTime(),
+      aBaseVal,
+      msgPrefix + "(at animation begin) - " + aReasonStatic,
+    ]);
+    seekList.push([
+      aTimeData.getFractionalTime(1 / 6),
+      aBaseVal,
+      msgPrefix + "(1/6 of the way through animation) - " + aReasonStatic,
+    ]);
+    seekList.push([
+      aTimeData.getFractionalTime(1 / 3),
+      aBaseVal,
+      msgPrefix + "(1/3 of the way through animation) - " + aReasonStatic,
+    ]);
+    seekList.push([
+      aTimeData.getFractionalTime(2 / 3),
+      aBaseVal,
+      msgPrefix + "(2/3 of the way through animation) - " + aReasonStatic,
+    ]);
+    seekList.push([
+      aTimeData.getEndTime(),
+      aBaseVal,
+      msgPrefix + "(at animation end) - " + aReasonStatic,
+    ]);
+    seekList.push([
+      aTimeData.getEndTime() + aTimeData.getDur(),
+      aBaseVal,
+      msgPrefix + "(after animation end) - " + aReasonStatic,
+    ]);
+    return seekList;
+  },
+};
+extend(AnimTestcasePaced, AnimTestcase);
+
+/*
+ * A testcase for an <animateMotion> animation.
+ *
+ * @param aAttrValueHash   A hash-map mapping attribute names to values.
+ *                         Should include at least 'path', 'values', 'to'
+ *                         or 'by' to describe the motion path.
+ * @param aCtmMap  A hash-map that contains summaries of the expected resulting
+ *                 CTM at various points during the animation. The CTM is
+ *                 summarized as a tuple of three numbers: [tX, tY, theta]
+                   (indicating a translate(tX,tY) followed by a rotate(theta))
+ *      - ctm0:   The CTM summary at the start of the animation
+ *      - ctm1_6: The CTM summary at exactly 1/6 through animation
+ *      - ctm1_3: The CTM summary at exactly 1/3 through animation
+ *      - ctm2_3: The CTM summary at exactly 2/3 through animation
+ *      - ctm1:   The CTM summary at the animation endpoint
+ *
+ *  NOTE: For paced-mode animation (the default for animateMotion), the math
+ *  works out easiest if:
+ *    (a) our motion path has 3 points: vA, vB, vC
+ *    (b) dist(vB, vC) = 2 * dist(vA, vB)
+ *  (See discussion in header comment for AnimTestcasePaced.)
+ *
+ * @param aSkipReason  If this test-case is known to currently fail, this
+ *                     parameter should be a string explaining why.
+ *                     Otherwise, this value should be null (or omitted).
+ */
+function AnimMotionTestcase(aAttrValueHash, aCtmMap, aSkipReason) {
+  this.attrValueHash = aAttrValueHash;
+  this.ctmMap = aCtmMap;
+  this.skipReason = aSkipReason;
+  if (
+    this.ctmMap &&
+    (!this.ctmMap.ctm0 ||
+      !this.ctmMap.ctm1_6 ||
+      !this.ctmMap.ctm1_3 ||
+      !this.ctmMap.ctm2_3 ||
+      !this.ctmMap.ctm1)
+  ) {
+    ok(false, "This AnimMotionTestcase has an incomplete CTM map");
+  }
+}
+AnimMotionTestcase.prototype = {
+  // Member variables
+  _animElementTagName: "animateMotion",
+
+  // Implementations of inherited methods that we need to override:
+  // --------------------------------------------------------------
+  setupAnimationElement(aAnimAttr, aTimeData, aIsFreeze) {
+    var animElement = document.createElementNS(
+      SVG_NS,
+      this._animElementTagName
+    );
+    animElement.setAttribute("begin", aTimeData.getBeginTime());
+    animElement.setAttribute("dur", aTimeData.getDur());
+    if (aIsFreeze) {
+      animElement.setAttribute("fill", "freeze");
+    }
+    for (var attrName in this.attrValueHash) {
+      if (attrName == "mpath") {
+        this.createPath(this.attrValueHash[attrName]);
+        this.createMpath(animElement);
+      } else {
+        animElement.setAttribute(attrName, this.attrValueHash[attrName]);
+      }
+    }
+    return animElement;
+  },
+
+  createPath(aPathDescription) {
+    var path = document.createElementNS(SVG_NS, "path");
+    path.setAttribute("d", aPathDescription);
+    path.setAttribute("id", MPATH_TARGET_ID);
+    return SMILUtil.getSVGRoot().appendChild(path);
+  },
+
+  createMpath(aAnimElement) {
+    var mpath = document.createElementNS(SVG_NS, "mpath");
+    mpath.setAttributeNS(XLINK_NS, "href", "#" + MPATH_TARGET_ID);
+    return aAnimElement.appendChild(mpath);
+  },
+
+  // Override inherited seekAndTest method since...
+  // (a) it expects a computedValMap and we have a computed-CTM map instead
+  // and (b) it expects we might have no effect (for non-animatable attrs)
+  buildSeekList(aAnimAttr, aBaseVal, aTimeData, aIsFreeze) {
+    var seekList = new Array();
+    var msgPrefix = "CTM mismatch ";
+    seekList.push([
+      aTimeData.getBeginTime(),
+      CTMUtil.generateCTM(this.ctmMap.ctm0),
+      msgPrefix + "at start of animation",
+    ]);
+    seekList.push([
+      aTimeData.getFractionalTime(1 / 6),
+      CTMUtil.generateCTM(this.ctmMap.ctm1_6),
+      msgPrefix + "1/6 of the way through animation.",
+    ]);
+    seekList.push([
+      aTimeData.getFractionalTime(1 / 3),
+      CTMUtil.generateCTM(this.ctmMap.ctm1_3),
+      msgPrefix + "1/3 of the way through animation.",
+    ]);
+    seekList.push([
+      aTimeData.getFractionalTime(2 / 3),
+      CTMUtil.generateCTM(this.ctmMap.ctm2_3),
+      msgPrefix + "2/3 of the way through animation.",
+    ]);
+
+    var finalMsg;
+    var expectedEndVal;
+    if (aIsFreeze) {
+      expectedEndVal = CTMUtil.generateCTM(this.ctmMap.ctm1);
+      finalMsg =
+        aAnimAttr.attrName +
+        ": [freeze-mode] checking that final value is set ";
+    } else {
+      expectedEndVal = aBaseVal;
+      finalMsg =
+        aAnimAttr.attrName +
+        ": [remove-mode] checking that animation is cleared ";
+    }
+    seekList.push([
+      aTimeData.getEndTime(),
+      expectedEndVal,
+      finalMsg + "at end of animation",
+    ]);
+    seekList.push([
+      aTimeData.getEndTime() + aTimeData.getDur(),
+      expectedEndVal,
+      finalMsg + "after end of animation",
+    ]);
+    return seekList;
+  },
+
+  // Override inherited seekAndTest method
+  // (Have to use assertCTMEqual() instead of is() for comparison, to check each
+  // component of the CTM and to allow for a small margin of error.)
+  seekAndTest(aSeekList, aTargetElem, aTargetAttr) {
+    var svg = document.getElementById("svg");
+    for (var i in aSeekList) {
+      var entry = aSeekList[i];
+      SMILUtil.getSVGRoot().setCurrentTime(entry[0]);
+      CTMUtil.assertCTMEqual(
+        aTargetElem.getCTM(),
+        entry[1],
+        CTMUtil.CTM_COMPONENTS_ALL,
+        entry[2],
+        false
+      );
+    }
+  },
+
+  // Override "runTest" method so we can remove any <path> element that we
+  // created at the end of each test.
+  runTest(aTargetElem, aTargetAttr, aTimeData, aIsFreeze) {
+    AnimTestcase.prototype.runTest.apply(this, [
+      aTargetElem,
+      aTargetAttr,
+      aTimeData,
+      aIsFreeze,
+    ]);
+    var pathElem = document.getElementById(MPATH_TARGET_ID);
+    if (pathElem) {
+      SMILUtil.getSVGRoot().removeChild(pathElem);
+    }
+  },
+};
+extend(AnimMotionTestcase, AnimTestcase);
+
+// MAIN METHOD
+function testBundleList(aBundleList, aTimingData) {
+  for (var bundleIdx in aBundleList) {
+    aBundleList[bundleIdx].go(aTimingData);
+  }
+}