chromium/third_party/blink/web_tests/external/wpt/svg/animations/animate-color-transparent.html

<!doctype html>
<html>
<meta charset="utf-8">
<title>Tests that 'transparent' is treated as a valid color.</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 rect = createSVGElement("rect");
rect.setAttribute("id", "test");
rect.setAttribute("width", "100px");
rect.setAttribute("height", "100px");
rect.setAttribute("fill", "#00FF00");
rect.setAttribute("onclick", "executeTest()");

var animate = createSVGElement("animate");
animate.setAttribute("id", "animation");
animate.setAttribute("attributeName", "fill");
animate.setAttribute("from", "transparent");
animate.setAttribute("by", "red");
animate.setAttribute("dur", "3s");
animate.setAttribute("begin", "0s");
rect.appendChild(animate);
rootSVGElement.appendChild(rect);

// Setup animation test
function expectTransparent() {
    expectFillColor(rect, 0, 255, 0);
}

function expectOtherColor() {
    expectFillColor(rect, 127, 0, 0);
}

smil_async_test((t) => {
    const expectedValues = [
        // [animationId, time, sampleCallback]
        ["animation", 0.0, expectTransparent],
        ["animation", 1.5, expectOtherColor]
    ];

    runAnimationTest(t, expectedValues);
});

</script>