<!doctype html> <html> <meta charset="utf-8"> <title>This tests scripting a CSS property while animation is running</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 opacity from 0 to 0.5 in 4s, a script at 2s will set the opacity CSS property to 1, fill is freeze so this won't have any visible effect, nor any effect to the computed style --> <rect opacity="0" width="100" height="100" fill="green"> <animate id="an1" attributeType="CSS" attributeName="opacity" fill="freeze" from="0" to="0.5" begin="0s" dur="4s"/> </rect> </svg> <script> var rootSVGElement = document.querySelector("svg"); var epsilon = 1.0; // Setup animation test function sample1() { assert_approx_equals(parseFloat(getComputedStyle(rect).opacity), 0, epsilon); } function sample2() { assert_approx_equals(parseFloat(getComputedStyle(rect).opacity), 0.25, epsilon); rect.setAttribute("opacity", "1"); } function sample3() { assert_approx_equals(parseFloat(getComputedStyle(rect).opacity), 0.25, epsilon); } function sample4() { assert_approx_equals(parseFloat(getComputedStyle(rect).opacity), 0.5, epsilon); } function sample5() { assert_approx_equals(parseFloat(getComputedStyle(rect).opacity), 0.5, epsilon); } smil_async_test((t) => { rect = rootSVGElement.ownerDocument.getElementsByTagName("rect")[0]; const expectedValues = [ // [animationId, time, sampleCallback] ["an1", 0.0, sample1], ["an1", 2.0, sample2], ["an1", 2.001, sample3], ["an1", 3.999, sample4], ["an1", 4.001, sample5], ["an1", 60.0, sample5] ]; runAnimationTest(t, expectedValues); }); window.animationStartsImmediately = true; </script>