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<!doctype html>
<html>
<meta charset="utf-8">
<title>This changes the target of an animation while its 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">
<rect id="target1" width="150" height="100" fill="green"/>
<rect id="target2" y="150" width="150" height="100" fill="green"/>
<!-- an1: Change width by -100 in 4s on target1. The embedder script will change the target to 'target2' at 2s. -->
<!-- target1 should be 100px at 2s and remain this way. target2 should be 50px and remain this way. -->
<animate id="an1" xlink:href="#target1" attributeType="XML" attributeName="width" fill="freeze" by="-100" begin="0s" dur="4s"/>
</svg>
<script>
var rootSVGElement = document.querySelector("svg");
var epsilon = 1.0;
// Setup animation test
function sample1() {
assert_approx_equals(rect1.width.animVal.value, 150, epsilon);
assert_equals(rect1.width.baseVal.value, 150);
assert_approx_equals(rect2.width.animVal.value, 150, epsilon);
assert_equals(rect2.width.baseVal.value, 150);
}
function sample2() {
assert_approx_equals(rect1.width.animVal.value, 100, epsilon);
assert_equals(rect1.width.baseVal.value, 150);
assert_approx_equals(rect2.width.animVal.value, 150, epsilon);
assert_equals(rect2.width.baseVal.value, 150);
// Switch to new target while animation is running.
// The effect is that rect1 is now reset to the initial state, before any animation was applied to it.
// Compatible with FF. In Opera it only works when not driving the timeline using setCurrentTime.
rootSVGElement.ownerDocument.getElementById("an1").setAttributeNS(xlinkNS, "xlink:href", "#target2");
}
function sample3() {
assert_approx_equals(rect1.width.animVal.value, 150, epsilon);
assert_equals(rect1.width.baseVal.value, 150);
assert_approx_equals(rect2.width.animVal.value, 100, epsilon);
assert_equals(rect2.width.baseVal.value, 150);
}
function sample4() {
assert_approx_equals(rect1.width.animVal.value, 150, epsilon);
assert_equals(rect1.width.baseVal.value, 150);
assert_approx_equals(rect2.width.animVal.value, 50, epsilon);
assert_equals(rect2.width.baseVal.value, 150);
}
function sample5() {
assert_equals(rect1.width.animVal.value, 150);
assert_equals(rect1.width.baseVal.value, 150);
assert_equals(rect2.width.animVal.value, 50);
assert_equals(rect2.width.baseVal.value, 150);
}
smil_async_test((t) => {
var rects = rootSVGElement.ownerDocument.getElementsByTagName("rect");
rect1 = rects[0];
rect2 = rects[1];
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>
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