animateMotion-calcMode-discrete-accumulate.html

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This WPT test may be referenced by the following Test IDs:
- /svg/animations/animateMotion-calcMode-discrete-accumulate.html - WPT Dashboard Interop Dashboard

<!doctype html>

<title>Test animateMotion with calcMode="discrete", repeatCount, and accumulate="sum"</title>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="/resources/SVGAnimationTestCase-testharness.js"></script>

<svg xmlns="http://www.w3.org/2000/svg">

  <rect width="10" height="10">

    <animateMotion id="anim" calcMode="discrete" dur="2s" fill="freeze"

      repeatCount="2" accumulate="sum"

      from="0,0" to="100,0" />

  </rect>

</svg>

<script>

// from-to discrete with accumulate="sum" and repeatCount=2.

// dur=2s, so each repeat is 2s. Total animation: 4s.

//

// First repeat (t=0..2s):

//   t in [0, 1): from=(0,0) [discrete first half]

//   t in [1, 2): to=(100,0) [discrete second half]

//

// Second repeat (t=2..4s), with accumulate="sum", adds end-of-duration

// value (100,0) from first repeat:

//   t in [2, 3): from=(0,0) + (100,0)*1 = (100, 0)

//   t in [3, 4]: to=(100,0) + (100,0)*1 = (200, 0)

const rootSVGElement = document.querySelector("svg");

const rect = document.querySelector("rect");

function sample1() {

    // First repeat, first half => (0, 0)

    assert_equals(rect.getCTM().e, 0, "x (origin)");

    assert_equals(rect.getCTM().f, 0, "y (origin)");

function sample2() {

    // First repeat, second half => (100, 0)

    assert_equals(rect.getCTM().e, 100, "x (r1 to)");

    assert_equals(rect.getCTM().f, 0, "y (r1 to)");

function sample3() {

    // Second repeat, first half => (0,0) + (100,0) = (100, 0)

    assert_equals(rect.getCTM().e, 100, "x (r2 from)");

    assert_equals(rect.getCTM().f, 0, "y (r2 from)");

function sample4() {

    // Second repeat, second half / freeze => (100,0) + (100,0) = (200, 0)

    assert_equals(rect.getCTM().e, 200, "x (r2 to)");

    assert_equals(rect.getCTM().f, 0, "y (r2 to)");

smil_async_test((t) => {

    const expectedValues = [

        ["anim", 0.0,   sample1],

        ["anim", 0.5,   sample1],

        ["anim", 1.5,   sample2],

        ["anim", 2.5,   sample3],

        ["anim", 3.5,   sample4],

        ["anim", 4.0,   sample4],

];

    runAnimationTest(t, expectedValues);

});

</script>

</html>