1 files changed, 29 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/element/layers/2d.layer.ctm.filter.html b/testing/web-platform/tests/html/canvas/element/layers/2d.layer.ctm.filter.html
new file mode 100644
index 0000000000..3d56ac3601
--- /dev/null
+++ b/testing/web-platform/tests/html/canvas/element/layers/2d.layer.ctm.filter.html
@@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<link rel="match" href="2d.layer.ctm.filter-expected.html">
+<title>Canvas test: 2d.layer.ctm.filter</title>
+<h1>2d.layer.ctm.filter</h1>
+<p class="desc">Checks that parent transforms affect layer filters.</p>
+<canvas id="canvas" width="200" height="200">
+  <p class="fallback">FAIL (fallback content)</p>
+</canvas>
+<script>
+  const canvas = document.getElementById("canvas");
+  const ctx = canvas.getContext('2d');
+
+  // Transforms inside the layer should not apply to the layer's filter.
+  ctx.beginLayer({filter: 'drop-shadow(5px 5px 0px grey)'});
+  ctx.translate(30, 90);
+  ctx.scale(2, 2);
+  ctx.rotate(Math.PI / 2);
+  ctx.fillRect(-30, -5, 60, 10);
+  ctx.endLayer();
+
+  // Transforms in the layer's parent should apply to the layer's filter.
+  ctx.translate(80, 90);
+  ctx.scale(2, 2);
+  ctx.rotate(Math.PI / 2);
+  ctx.beginLayer({filter: 'drop-shadow(5px 5px 0px grey)'});
+  ctx.fillRect(-30, -5, 60, 10);
+  ctx.endLayer();
+</script>