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<!doctype html>
<html>
<meta charset="utf-8">
<title>Animate SVGMarkerElement orientAttr from auto to auto-start-reverse</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/SVGAnimationTestCase-testharness.js"></script>

<svg>
</svg>

<script>
var rootSVGElement = document.querySelector("svg");
var epsilon = 1.0;

// Setup test document

var marker = createSVGElement("marker");
marker.setAttribute("id", "marker");
marker.setAttribute("viewBox", "0 0 10 10");
marker.setAttribute("markerWidth", "2");
marker.setAttribute("markerHeight", "2");
marker.setAttribute("refX", "5");
marker.setAttribute("refY", "5");
marker.setAttribute("markerUnits", "strokeWidth");

var markerPath = createSVGElement("path");
markerPath.setAttribute("fill", "blue");
markerPath.setAttribute("d", "M 5 0 L 10 10 L 0 10 Z");
marker.appendChild(markerPath);

var defsElement = createSVGElement("defs");
defsElement.appendChild(marker);
rootSVGElement.appendChild(defsElement);

var path = createSVGElement("path");
path.setAttribute("id", "path");
path.setAttribute("onclick", "executeTest()");
path.setAttribute("fill", "none");
path.setAttribute("stroke", "green");
path.setAttribute("stroke-width", "10");
path.setAttribute("marker-start", "url(#marker)");
path.setAttribute("marker-end", "url(#marker)");
path.setAttribute("d", "M 130 135 L 180 135 L 180 185");
path.setAttribute("transform", "translate(-130, -120)");
rootSVGElement.appendChild(path);

var animate1 = createSVGElement("animate");
animate1.setAttribute("id", "animation");
animate1.setAttribute("attributeName", "orient");
animate1.setAttribute("begin", "0s");
animate1.setAttribute("dur", "4s");
animate1.setAttribute("from", "auto");
animate1.setAttribute("to", "auto-start-reverse");
animate1.setAttribute("fill", "freeze");
marker.appendChild(animate1);

// Setup animation test
function sample1() {
    assert_approx_equals(marker.orientAngle.animVal.value, 0, epsilon);
    assert_equals(marker.orientAngle.baseVal.value, 0);

    assert_equals(marker.orientType.animVal, SVGMarkerElement.SVG_MARKER_ORIENT_ANGLE);
    assert_equals(marker.orientType.baseVal, SVGMarkerElement.SVG_MARKER_ORIENT_ANGLE);
}

function sample2() {
    assert_approx_equals(marker.orientAngle.animVal.value, 0, epsilon);
    assert_equals(marker.orientAngle.baseVal.value, 0);

    assert_equals(marker.orientType.animVal, SVGMarkerElement.SVG_MARKER_ORIENT_AUTO);
    assert_equals(marker.orientType.baseVal, SVGMarkerElement.SVG_MARKER_ORIENT_ANGLE);
}

function sample3() {
    assert_approx_equals(marker.orientAngle.animVal.value, 0, epsilon);
    assert_equals(marker.orientAngle.baseVal.value, 0);

    assert_equals(marker.orientType.animVal, SVGMarkerElement.SVG_MARKER_ORIENT_UNKNOWN);
    assert_equals(marker.orientType.baseVal, SVGMarkerElement.SVG_MARKER_ORIENT_ANGLE);
}

smil_async_test((t) => {
    const expectedValues = [
        // [animationId, time, sampleCallback]
        ["animation", 0.0,   sample1],
        ["animation", 0.001, sample2],
        ["animation", 1.999, sample2],
        ["animation", 2.001, sample3],
        ["animation", 3.999, sample3],
        ["animation", 4.001, sample3]
    ];

    runAnimationTest(t, expectedValues);
});

</script>