animate-gradient-transform.html

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This WPT test may be referenced by the following Test IDs:
- /svg/animations/animate-gradient-transform.html - WPT Dashboard Interop Dashboard

<!doctype html>

<html>

<meta charset="utf-8">

<title>Tests if gradientTransform of a gradient is animateable.</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 gradient = createSVGElement("linearGradient");

gradient.setAttribute("id", "gradient");

gradient.setAttribute("gradientUnits", "userSpaceOnUse");

gradient.setAttribute("x1", "0");

gradient.setAttribute("x2", "200");

gradient.setAttribute("gradientTransform", "translate(0)");

var stop1 = createSVGElement("stop");

stop1.setAttribute("offset", "0");

stop1.setAttribute("stop-color", "green");

var stop2 = createSVGElement("stop");

stop2.setAttribute("offset", "1");

stop2.setAttribute("stop-color", "red");

var animate = createSVGElement("animateTransform");

animate.setAttribute("id", "animation");

animate.setAttribute("attributeName", "gradientTransform");

animate.setAttribute("type", "translate");

animate.setAttribute("from", "0");

animate.setAttribute("to", "200");

animate.setAttribute("begin", "0s");

animate.setAttribute("dur", "4s");

animate.setAttribute("fill", "freeze");

var rect = createSVGElement("rect");

rect.setAttribute("id", "rect");

rect.setAttribute("fill", "url(#gradient)");

rect.setAttribute("width", "200");

rect.setAttribute("height", "200");

rect.setAttribute("onclick", "executeTest()");

gradient.appendChild(stop1);

gradient.appendChild(stop2);

gradient.appendChild(animate);

rootSVGElement.appendChild(gradient);

rootSVGElement.appendChild(rect);

// Setup animation test

function sample1() {

    // Check initial conditions

    shouldThrow("gradient.gradientTransform.animVal.consolidate()");

    assert_equals(gradient.gradientTransform.animVal.numberOfItems, 1);

    assert_approx_equals(gradient.gradientTransform.animVal.getItem(0).matrix.e, 0, epsilon);

    assert_equals(gradient.gradientTransform.animVal.getItem(0).type, SVGTransform.SVG_TRANSFORM_TRANSLATE);

    assert_equals(gradient.gradientTransform.baseVal.numberOfItems, 1);

    assert_equals(gradient.gradientTransform.baseVal.getItem(0).type, SVGTransform.SVG_TRANSFORM_TRANSLATE);

    assert_equals(gradient.gradientTransform.baseVal.getItem(0).matrix.e, 0);

function sample2() {

    // Check half-time conditions

    assert_equals(gradient.gradientTransform.animVal.numberOfItems, 1);

    assert_equals(gradient.gradientTransform.animVal.getItem(0).type, SVGTransform.SVG_TRANSFORM_TRANSLATE);

    assert_approx_equals(gradient.gradientTransform.animVal.getItem(0).matrix.e, 100, epsilon);

    assert_equals(gradient.gradientTransform.baseVal.numberOfItems, 1);

    assert_equals(gradient.gradientTransform.baseVal.getItem(0).type, SVGTransform.SVG_TRANSFORM_TRANSLATE);

    assert_equals(gradient.gradientTransform.baseVal.getItem(0).matrix.e, 0);

function sample3() {

    // Check end conditions

    assert_equals(gradient.gradientTransform.animVal.numberOfItems, 1);

    assert_equals(gradient.gradientTransform.animVal.getItem(0).type, SVGTransform.SVG_TRANSFORM_TRANSLATE);

    assert_approx_equals(gradient.gradientTransform.animVal.getItem(0).matrix.e, 200, epsilon);

    assert_equals(gradient.gradientTransform.baseVal.numberOfItems, 1);

    assert_equals(gradient.gradientTransform.baseVal.getItem(0).type, SVGTransform.SVG_TRANSFORM_TRANSLATE);

    assert_equals(gradient.gradientTransform.baseVal.getItem(0).matrix.e, 0);

smil_async_test((t) => {

    const expectedValues = [

        // [animationId, time, sampleCallback]

        ["animation", 0.0, sample1],

        ["animation", 2.0, sample2],

        ["animation", 3.999, sample3],

        ["animation", 4.001, sample3]

];

    runAnimationTest(t, expectedValues);

});

</script>