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<!doctype html>
<html>
<meta charset="utf-8">
<title>This tests from-by-animations adding to previous underlying values</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 50 to 100 in 4s starting at 5s -->
<rect width="10" height="100" fill="green">
<animate id="an1" attributeType="XML" attributeName="width" fill="freeze" from="10" by="40" begin="0s" dur="4s"/>
<animate id="an2" attributeType="XML" attributeName="width" additive="sum" fill="freeze" from="0" by="50" begin="5s" 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, 10, epsilon);
assert_equals(rect.width.baseVal.value, 10);
}
function sample2() {
assert_approx_equals(rect.width.animVal.value, 30, epsilon);
assert_equals(rect.width.baseVal.value, 10);
}
function sample3() {
assert_approx_equals(rect.width.animVal.value, 50, epsilon);
assert_equals(rect.width.baseVal.value, 10);
}
function sample4() {
assert_approx_equals(rect.width.animVal.value, 75, epsilon);
assert_equals(rect.width.baseVal.value, 10);
}
function sample5() {
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];
const expectedValues = [
// [animationId, time, sampleCallback]
["an1", 0.0, sample1],
["an1", 2.0, sample2],
["an1", 4.0, sample3],
["an1", 7.0, sample4],
["an1", 9.0, sample5],
["an1", 60.0, sample5]
];
runAnimationTest(t, expectedValues);
});
window.animationStartsImmediately = true;
</script>
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