1 files changed, 85 insertions, 0 deletions
diff --git a/testing/web-platform/tests/svg/animations/remove-animation-element-while-animation-is-running.html b/testing/web-platform/tests/svg/animations/remove-animation-element-while-animation-is-running.html
new file mode 100644
index 0000000000..764d25b69f
--- /dev/null
+++ b/testing/web-platform/tests/svg/animations/remove-animation-element-while-animation-is-running.html
@@ -0,0 +1,85 @@
+<!doctype html>
+<html>
+<meta charset="utf-8">
+<title>This removes an animation element while the 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">
+
+<rect x='0' y='0' width='50' height='50' fill='green'>
+    <animate id="an1" attributeName='x' from='50' to='150' begin='0s' dur='2s' fill='freeze'/>
+</rect>
+
+<rect x='0' y='100' width='50' height='50' fill='green'>
+    <animate id="an2" attributeName='x' from='50' to='150' begin='0s' dur='2s' fill='remove'/>
+</rect>
+
+</svg>
+
+<script>
+var rootSVGElement = document.querySelector("svg");
+var epsilon = 1.0;
+
+// Setup animation test
+function sample1() {
+    assert_approx_equals(rect1.x.animVal.value, 50, epsilon);
+    assert_equals(rect1.x.baseVal.value, 0);
+
+    assert_approx_equals(rect2.x.animVal.value, 50, epsilon);
+    assert_equals(rect2.x.baseVal.value, 0);
+}
+
+function sample2() {
+    assert_approx_equals(rect1.x.animVal.value, 100, epsilon);
+    assert_equals(rect1.x.baseVal.value, 0);
+
+    assert_approx_equals(rect2.x.animVal.value, 100, epsilon);
+    assert_equals(rect2.x.baseVal.value, 0);
+
+    // Remove the animation element animating rect1
+    // 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 shows a repainting bug currently (two rects are visible!).
+    var an1 = rootSVGElement.ownerDocument.getElementById("an1");
+    an1.parentNode.removeChild(an1);
+}
+
+function sample3() {
+    assert_equals(rect1.x.animVal.value, 0);
+    assert_equals(rect1.x.baseVal.value, 0);
+
+    assert_approx_equals(rect2.x.animVal.value, 100, epsilon);
+    assert_equals(rect2.x.baseVal.value, 0);
+}
+
+function sample4() {
+    assert_equals(rect1.x.animVal.value, 0);
+    assert_equals(rect1.x.baseVal.value, 0);
+
+    assert_equals(rect2.x.animVal.value, 0);
+    assert_equals(rect2.x.baseVal.value, 0);
+}
+
+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", 1.0,   sample2],
+        ["an2", 1.001, sample3],
+        ["an2", 2.001, sample4],
+        ["an2", 60.0,  sample4]
+    ];
+
+    runAnimationTest(t, expectedValues);
+});
+
+window.animationStartsImmediately = true;
+
+</script>
+\ No newline at end of file