additive-from-to-width-animation.html

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This WPT test may be referenced by the following Test IDs:
- /svg/animations/additive-from-to-width-animation.html - WPT Dashboard Interop Dashboard

<!doctype html>

<html>

<meta charset="utf-8">

<title>This tests multiple additive='sum' animations running at the same time</title>

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

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

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

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1 Tiny//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11-tiny.dtd">

<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">

<!-- an1: Change width from 10 to 50 in 4s -->

<!-- an2: Change width from 10 to 25 + additive=sum. This results in a change from 20 to 75 -->

<!-- an3: Change width from 0 to 25 + additve=sum. This results in a final change from 20 to 100 -->

<rect width="10" height="100" fill="green">

    <animate id="an1" attributeType="XML" attributeName="width" fill="freeze" from="10" to="50" begin="0s" dur="4s"/>

    <animate id="an2" attributeType="XML" attributeName="width" additive="sum" fill="freeze" from="10" to="25" begin="0s" dur="4s"/>

    <animate id="an3" attributeType="XML" attributeName="width" additive="sum" fill="freeze" from="0" to="25" begin="0s" dur="4s"/>

</rect>

</svg>

<script>

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

var epsilon = 1.0;

// Setup animation test

function sample1() {

    assert_approx_equals(rect.width.animVal.value, 20, epsilon);

    assert_equals(rect.width.baseVal.value, 10);

function sample2() {

    assert_approx_equals(rect.width.animVal.value, 60, epsilon);

    assert_equals(rect.width.baseVal.value, 10);

function sample3() {

    assert_approx_equals(rect.width.animVal.value, 100, epsilon);

    assert_equals(rect.width.baseVal.value, 10);

smil_async_test((t) => {

    rect = rootSVGElement.ownerDocument.getElementsByTagName("rect")[0];

    // All animations in the test file use the same duration, so it's not needed to list all sample points individually for an5/an6/an7/an8.

    const expectedValues = [

        // [animationId, time, sampleCallback]

        ["an1", 0.0,  sample1],

        ["an1", 2.0,  sample2],

        ["an1", 4.0,  sample3],

        ["an1", 60.0, sample3]

];

    runAnimationTest(t, expectedValues);

});

window.animationStartsImmediately = true;

</script>