gecko/dom/smil/test/test_smilKeyTimes.xhtml

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<head>
  <title>Test for SMIL keyTimes</title>
  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<a target="_blank"
  href="https://bugzilla.mozilla.org/show_bug.cgi?id=557885">Mozilla Bug
  557885</a>
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<pre id="test">
<script class="testbody" type="text/javascript">
<![CDATA[
/** Test for SMIL keyTimes **/

var gSvg = document.getElementById("svg");
SimpleTest.waitForExplicitFinish();

function main()
{
  gSvg.pauseAnimations();

  var testCases = Array();

  // Simple case
  testCases.push({
    'attr' : { 'values': '0; 50; 100',
               'keyTimes': '0; .8; 1' },
    'times': [ [ 4, 25 ],
               [ 8, 50 ],
               [ 9, 75 ],
               [ 10, 100 ] ]
  });

  // Parsing tests
  testCases.push(parseOk('  0 ; .8;1 ')); // extra whitespace
  testCases.push(parseNotOk(';0; .8; 1')); // leading semi-colon
  testCases.push(parseNotOk('; .8; 1')); // leading semi-colon
  testCases.push(parseOk('0; .8; 1;')); // trailing semi-colon
  testCases.push(parseNotOk('')); // empty string
  testCases.push(parseNotOk('  ')); // empty string
  testCases.push(parseNotOk('0; .8')); // too few values
  testCases.push(parseNotOk('0; .8; .9; 1')); // too many values
  testCases.push(parseNotOk('0; 1; .8')); // non-increasing
  testCases.push(parseNotOk('0; .8; .9')); // final value non-1 with
                                           // calcMode=linear
  testCases.push(parseOk('0; .8; .9', { 'calcMode': 'discrete' }));
  testCases.push(parseNotOk('0.01; .8; 1')); // first value not 0
  testCases.push(parseNotOk('0.01; .8; 1', { 'calcMode': 'discrete' }));
                                            // first value not 0
  testCases.push(parseNotOk('0; .8; 1.1')); // out of range
  testCases.push(parseNotOk('-0.1; .8; 1')); // out of range


  // 2 values
  testCases.push({
    'attr' : { 'values': '0; 50',
               'keyTimes': '0; 1' },
    'times': [ [ 6, 30 ] ]
  });

  // 1 value
  testCases.push({
    'attr' : { 'values': '50',
               'keyTimes': ' 0' },
    'times': [ [ 7, 50 ] ]
  });

  // 1 bad value
  testCases.push({
    'attr' : { 'values': '50',
               'keyTimes': '0.1' },
    'times': [ [ 0, -100 ] ]
  });

  // 1 value, calcMode=discrete
  testCases.push({
    'attr' : { 'values': '50',
               'calcMode': 'discrete',
               'keyTimes': ' 0' },
    'times': [ [ 7, 50 ] ]
  });

  // 1 bad value, calcMode=discrete
  testCases.push({
    'attr' : { 'values': '50',
               'calcMode': 'discrete',
               'keyTimes': '0.1' },
    'times': [ [ 0, -100 ] ]
  });

  // from-to
  testCases.push({
    'attr' : { 'from': '10',
               'to': '20',
               'keyTimes': '0.0; 1.0' },
    'times': [ [ 3.5, 13.5 ] ]
  });

  // from-to calcMode=discrete
  testCases.push({
    'attr' : { 'from': '10',
               'to': '20',
               'calcMode': 'discrete',
               'keyTimes': '0.0; 0.7' },
    'times': [ [ 0, 10 ],
               [ 6.9, 10 ],
               [ 7.0, 20 ],
               [ 10.0, 20 ],
               [ 11.0, 20 ] ]
  });

  // from-to calcMode=discrete one keyTime only
  testCases.push({
    'attr' : { 'values': '20',
               'calcMode': 'discrete',
               'keyTimes': '0' },
    'times': [ [ 0, 20 ],
               [ 6.9, 20 ],
               [ 7.0, 20 ],
               [ 10.0, 20 ],
               [ 11.0, 20 ] ]
  });

  // from-to calcMode=discrete one keyTime, mismatches no. values
  testCases.push({
    'attr' : { 'values': '10; 20',
               'calcMode': 'discrete',
               'keyTimes': '0' },
    'times': [ [ 0, -100 ] ]
  });

  // to
  testCases.push({
    'attr' : { 'to': '100',
               'keyTimes': '0.0; 1.0' },
    'times': [ [ 0, -100 ],
               [ 7, 40 ] ]
  });

  // to -- bad number of keyTimes (too many)
  testCases.push({
    'attr' : { 'to': '100',
               'keyTimes': '0.0; 0.5; 1.0' },
    'times': [ [ 2, -100 ] ]
  });

  // unfrozen to calcMode=discrete two keyTimes
  testCases.push({
    'attr' : { 'to': '100',
               'calcMode': 'discrete',
               'keyTimes': '0.0; 1.0',
               'fill': 'remove' },
    'times': [ [ 0, -100 ],
               [ 7, -100 ],
               [ 10, -100 ],
               [ 12, -100 ]]
  });

  // frozen to calcMode=discrete two keyTimes
  testCases.push({
    'attr' : { 'to': '100',
               'calcMode': 'discrete',
               'keyTimes': '0.0; 1.0' },
    'times': [ [ 0, -100 ],
               [ 7, -100 ],
               [ 10, 100 ],
               [ 12, 100 ] ]
  });

  // to calcMode=discrete -- bad number of keyTimes (one, expecting two)
  testCases.push({
    'attr' : { 'to': '100',
               'calcMode': 'discrete',
               'keyTimes': '0' },
    'times': [ [ 0, -100 ],
               [ 7, -100 ] ]
  });

  // values calcMode=discrete
  testCases.push({
    'attr' : { 'values': '0; 10; 20; 30',
               'calcMode': 'discrete',
               'keyTimes': '0;.2;.4;.6' },
    'times': [ [ 0, 0 ],
               [ 1.9, 0 ],
               [ 2, 10 ],
               [ 3.9, 10 ],
               [ 4.0, 20 ],
               [ 5.9, 20 ],
               [ 6.0, 30 ],
               [ 9.9, 30 ],
               [ 10.0, 30 ] ]
  });

  // The following two accumulate tests are from SMIL 3.0
  // (Note that this behaviour differs from that defined for SVG Tiny 1.2 which
  // specifically excludes the last value: "Note that in the case of discrete
  // animation, the frozen value that is used is the value of the animation just
  // before the end of the active duration.")
  // accumulate=none
  testCases.push({
    'attr' : { 'values': '0; 10; 20',
               'calcMode': 'discrete',
               'keyTimes': '0;.5;1',
               'fill': 'freeze',
               'repeatCount': '2',
               'accumulate': 'none' },
    'times': [ [ 0, 0 ],
               [ 5, 10 ],
               [ 10, 0 ],
               [ 15, 10 ],
               [ 20, 20 ],
               [ 25, 20 ] ]
  });

  // accumulate=sum
  testCases.push({
    'attr' : { 'values': '0; 10; 20',
               'calcMode': 'discrete',
               'keyTimes': '0;.5;1',
               'fill': 'freeze',
               'repeatCount': '2',
               'accumulate': 'sum' },
    'times': [ [ 0, 0 ],
               [ 5, 10 ],
               [ 10, 20 ],
               [ 15, 30 ],
               [ 20, 40 ],
               [ 25, 40 ] ]
  });

  // If the interpolation mode is paced, the keyTimes attribute is ignored.
  testCases.push({
    'attr' : { 'values': '0; 10; 20',
               'calcMode': 'paced',
               'keyTimes': '0;.2;1' },
    'times': [ [ 0, 0 ],
               [ 2, 4 ],
               [ 5, 10 ] ]
  });

  // SMIL 3 has:
  //   If the simple duration is indefinite and the interpolation mode is
  //   linear or spline, any keyTimes specification will be ignored.
  // However, since keyTimes represent "a proportional offset into the simple
  // duration of the animation element" surely discrete animation too cannot use
  // keyTimes when the simple duration is indefinite. Hence SVGT 1.2 is surely
  // more correct when it has:
  //   If the simple duration is indefinite, any 'keyTimes' specification will
  //   be ignored.
  // (linear)
  testCases.push({
    'attr' : { 'values': '0; 10; 20',
               'dur': 'indefinite',
               'keyTimes': '0;.2;1' },
    'times': [ [ 0, 0 ],
               [ 5, 0 ] ]
  });
  // (spline)
  testCases.push({
    'attr' : { 'values': '0; 10; 20',
               'dur': 'indefinite',
               'calcMode': 'spline',
               'keyTimes': '0;.2;1',
               'keySplines': '0 0 1 1; 0 0 1 1' },
    'times': [ [ 0, 0 ],
               [ 5, 0 ] ]
  });
  // (discrete)
  testCases.push({
    'attr' : { 'values': '0; 10; 20',
               'dur': 'indefinite',
               'calcMode': 'discrete',
               'keyTimes': '0;.2;1' },
    'times': [ [ 0, 0 ],
               [ 5, 0 ] ]
  });

  for (var i = 0; i < testCases.length; i++) {
    gSvg.setCurrentTime(0);
    var test = testCases[i];

    // Create animation elements
    var anim = createAnim(test.attr);

    // Run samples
    for (var j = 0; j < test.times.length; j++) {
      var times = test.times[j];
      gSvg.setCurrentTime(times[0]);
      checkSample(anim, times[1], times[0], i);
    }

    anim.parentNode.removeChild(anim);
  }

  // fallback to discrete for non-additive animation
  var attr = { 'values': 'butt; round; square',
               'attributeName': 'stroke-linecap',
               'calcMode': 'linear',
               'keyTimes': '0;.2;1',
               'fill': 'remove' };
  var anim = createAnim(attr);
  var samples = [ [ 0, 'butt' ],
                  [ 1.9, 'butt' ],
                  [ 2.0, 'round' ],
                  [ 9.9, 'round' ],
                  [ 10, 'butt' ] // fill=remove so we'll never set it to square
                ];
  for (var i = 0; i < samples.length; i++) {
    var sample = samples[i];
    gSvg.setCurrentTime(sample[0]);
    checkLineCapSample(anim, sample[1], sample[0],
      "[non-interpolatable fallback]");
  }
  anim.parentNode.removeChild(anim);

  SimpleTest.finish();
}

function parseOk(str, extra)
{
  var attr = { 'values': '0; 50; 100',
               'keyTimes': str };
  if (typeof(extra) == "object") {
    for (name in extra) {
      attr[name] = extra[name];
    }
  }
  return {
    'attr' : attr,
    'times': [ [ 0, 0 ] ]
  };
}

function parseNotOk(str, extra)
{
  var result = parseOk(str, extra);
  result.times = [ [ 0, -100 ] ];
  return result;
}

function createAnim(attr)
{
  const svgns = "http://www.w3.org/2000/svg";
  var anim = document.createElementNS(svgns, 'animate');
  anim.setAttribute('attributeName','cx');
  anim.setAttribute('dur','10s');
  anim.setAttribute('begin','0s');
  anim.setAttribute('fill','freeze');
  for (name in attr) {
    anim.setAttribute(name, attr[name]);
  }
  return document.getElementById('circle').appendChild(anim);
}

function checkSample(anim, expectedValue, sampleTime, caseNum)
{
  var msg = "Test case " + caseNum +
    " (keyTimes: '" + anim.getAttribute('keyTimes') + "'" +
    " calcMode: " + anim.getAttribute('calcMode') + "), " +
    "t=" + sampleTime +
    ": Unexpected sample value:";
  is(anim.targetElement.cx.animVal.value, expectedValue, msg);
}

function checkLineCapSample(anim, expectedValue, sampleTime, caseDescr)
{
  var msg = "Test case " + caseDescr +
    " (keyTimes: '" + anim.getAttribute('keyTimes') + "'" +
    " calcMode: " + anim.getAttribute('calcMode') + "), " +
    "t=" + sampleTime +
    ": Unexpected sample value:";
  var actualValue =
    window.getComputedStyle(anim.targetElement, null).
    getPropertyValue('stroke-linecap');
  is(actualValue, expectedValue, msg);
}

window.addEventListener("load", main, false);
]]>
</script>
</pre>
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