Blitz - WPT: animateMotion-calcMode-discrete-values.html

wpt / svg / animations / animateMotion-calcMode-discrete-values.html

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/svg/animations/animateMotion-calcMode-discrete-values.html

<!doctype html>
<title>Test animateMotion with calcMode="discrete" and values attribute</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="3s" fill="freeze"
      values="0,0; 100,0; 100,100" />
  </rect>
</svg>

<script>
// The values list has 3 entries: (0,0), (100,0), (100,100).
// With calcMode="discrete" and dur=3s, each value occupies 1s:
//   t in [0, 1): position = (0, 0)
//   t in [1, 2): position = (100, 0)
//   t in [2, 3]: position = (100, 100)

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

function assert_motion_position_no_rotate(mtx, x, y, description) {
    assert_equals(mtx.a, 1, description + " (no rotation: a)");
    assert_equals(mtx.b, 0, description + " (no rotation: b)");
    assert_equals(mtx.c, 0, description + " (no rotation: c)");
    assert_equals(mtx.d, 1, description + " (no rotation: d)");
    assert_equals(mtx.e, x, description + " (x)");
    assert_equals(mtx.f, y, description + " (y)");
}

function sample1() {
    assert_motion_position_no_rotate(rect.getCTM(), 0, 0, "value 1");
}
function sample2() {
    assert_motion_position_no_rotate(rect.getCTM(), 100, 0, "value 2");
}
function sample3() {
    assert_motion_position_no_rotate(rect.getCTM(), 100, 100, "value 3");
}

smil_async_test((t) => {
    const expectedValues = [
        ["anim", 0.0,   sample1],
        ["anim", 0.5,   sample1],
        ["anim", 1.5,   sample2],
        ["anim", 2.5,   sample3],
        ["anim", 3.0,   sample3],
    ];
    runAnimationTest(t, expectedValues);
});
</script>
</html>