1 files changed, 55 insertions, 0 deletions
diff --git a/testing/web-platform/tests/svg/animations/svgpath-animation-1.tentative.html b/testing/web-platform/tests/svg/animations/svgpath-animation-1.tentative.html
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index 0000000000..3df821d7c3
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+++ b/testing/web-platform/tests/svg/animations/svgpath-animation-1.tentative.html
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+<!doctype html>
+<title>'by' path animation</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/SVGAnimationTestCase-testharness.js"></script>
+<script src="support/animated-path-helpers.js"></script>
+<svg></svg>
+<script>
+var rootSVGElement = document.querySelector("svg");
+
+// Setup test document
+var path = createSVGElement("path");
+path.setAttribute("id", "path");
+path.setAttribute("d", "M 40 40 L 60 40 L 60 60 L 40 60 z");
+path.setAttribute("fill", "green");
+path.setAttribute("onclick", "executeTest()");
+
+var animate = createSVGElement("animate");
+animate.setAttribute("id", "animation");
+animate.setAttribute("attributeName", "d");
+animate.setAttribute("from", "M 40 40 L 60 40 L 60 60 L 40 60 z");
+animate.setAttribute("by", "M 0 0 L 100 0 L 100 100 L 0 100 z");
+animate.setAttribute("begin", "0s");
+animate.setAttribute("fill", "freeze");
+animate.setAttribute("dur", "4s");
+path.appendChild(animate);
+rootSVGElement.appendChild(path);
+
+smil_async_test(t => {
+  const expectedValues = [
+    // [animationId, time, sampleCallback]
+    ["animation", 0.0,   () => {
+      assert_animated_path_equals(path,
+                                  "M 40 40 L 60 40 L 60 60 L 40 60 z");
+    }],
+    ["animation", 1.999, () => {
+      assert_animated_path_equals(path,
+                                  "M 40 40 L 109.975 40 L 109.975 109.975 L 40 109.975 Z");
+    }],
+    ["animation", 2.001, () => {
+      assert_animated_path_equals(path,
+                                  "M 40 40 L 110.025 40 L 110.025 110.025 L 40 110.025 Z");
+    }],
+    ["animation", 3.999, () => {
+      assert_animated_path_equals(path,
+                                  "M 40 40 L 159.975 40 L 159.975 159.975 L 40 159.975 Z");
+    }],
+    ["animation", 4.001, () => {
+      assert_animated_path_equals(path,
+                                  "M 40 40 L 160 40 L 160 160 L 40 160 Z");
+    }]
+  ];
+  runAnimationTest(t, expectedValues);
+});
+</script>