1 files changed, 124 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/offscreen/filters/2d.filter.canvasFilterObject.dropShadow.tentative.w.html b/testing/web-platform/tests/html/canvas/offscreen/filters/2d.filter.canvasFilterObject.dropShadow.tentative.w.html
new file mode 100644
index 0000000000..fe9087244a
--- /dev/null
+++ b/testing/web-platform/tests/html/canvas/offscreen/filters/2d.filter.canvasFilterObject.dropShadow.tentative.w.html
@@ -0,0 +1,124 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<html class="reftest-wait">
+<link rel="match" href="2d.filter.canvasFilterObject.dropShadow.tentative-expected.html">
+<title>Canvas test: 2d.filter.canvasFilterObject.dropShadow.tentative</title>
+<h1>2d.filter.canvasFilterObject.dropShadow.tentative</h1>
+<p class="desc">Test CanvasFilter() dropShadow object.</p>
+<canvas id="canvas" width="520" height="420">
+  <p class="fallback">FAIL (fallback content)</p>
+</canvas>
+<script id='myWorker' type='text/worker'>
+  self.onmessage = function(e) {
+    const canvas = new OffscreenCanvas(520, 420);
+    const ctx = canvas.getContext('2d');
+
+    ctx.fillStyle = 'teal';
+    ctx.fillRect(0, 0, 520, 50);
+    ctx.fillRect(0, 100, 520, 50);
+    ctx.fillRect(0, 200, 520, 50);
+    ctx.fillRect(0, 300, 520, 50);
+
+    ctx.fillStyle = 'crimson';
+
+    // Parameter defaults.
+    ctx.filter = new CanvasFilter({name: 'dropShadow'});
+    ctx.fillRect(10, 10, 80, 80);
+
+    // All parameters specified.
+    ctx.filter = new CanvasFilter(
+      {name: 'dropShadow', dx: 9, dy: 12, stdDeviation: 5,
+       floodColor: 'purple', floodOpacity: 0.7});
+    ctx.fillRect(110, 10, 80, 80);
+
+    // Named color.
+    ctx.filter = new CanvasFilter(
+      {name: 'dropShadow', dx: 9, dy: 12, stdDeviation: 3,
+       floodColor: 'purple'});
+    ctx.fillRect(10, 110, 80, 80);
+
+    // System color.
+    ctx.filter = new CanvasFilter(
+      {name: 'dropShadow', dx: 9, dy: 12, stdDeviation: 3,
+       floodColor: 'LinkText'});
+    ctx.fillRect(110, 110, 80, 80);
+
+    // Numerical color.
+    ctx.filter = new CanvasFilter(
+      {name: 'dropShadow', dx: 9, dy: 12, stdDeviation: 3,
+       floodColor: 'rgba(20, 50, 130, 1)'});
+    ctx.fillRect(210, 110, 80, 80);
+
+    // Transparent floodColor.
+    ctx.filter = new CanvasFilter(
+      {name: 'dropShadow', dx: 9, dy: 12, stdDeviation: 3,
+       floodColor: 'rgba(20, 50, 130, 0.7)'});
+    ctx.fillRect(310, 110, 80, 80);
+
+    // Transparent floodColor and floodOpacity.
+    ctx.filter = new CanvasFilter(
+      {name: 'dropShadow', dx: 9, dy: 12, stdDeviation: 3,
+       floodColor: 'rgba(20, 50, 130, 0.7)', floodOpacity: 0.7});
+    ctx.fillRect(410, 110, 80, 80);
+
+    // No blur.
+    ctx.filter = new CanvasFilter(
+      {name: 'dropShadow', dx: 9, dy: 12, stdDeviation: 0,
+       floodColor: 'purple'});
+    ctx.fillRect(10, 210, 80, 80);
+
+    // Single float blur.
+    ctx.filter = new CanvasFilter(
+      {name: 'dropShadow', dx: 9, dy: 12, stdDeviation: 5,
+       floodColor: 'purple'});
+    ctx.fillRect(110, 210, 80, 80);
+
+    // Single negative float blur.
+    ctx.filter = new CanvasFilter(
+      {name: 'dropShadow', dx: 9, dy: 12, stdDeviation: -5,
+       floodColor: 'purple'});
+    ctx.fillRect(210, 210, 80, 80);
+
+    // Two floats (X&Y) blur.
+    ctx.filter = new CanvasFilter(
+      {name: 'dropShadow', dx: 9, dy: 12, stdDeviation: [3, 5],
+       floodColor: 'purple'});
+    ctx.fillRect(310, 210, 80, 80);
+
+    // Two negative floats (X&Y) blur.
+    ctx.filter = new CanvasFilter(
+      {name: 'dropShadow', dx: 9, dy: 12, stdDeviation: [-3, -5],
+       floodColor: 'purple'});
+    ctx.fillRect(410, 210, 80, 80);
+
+    // Degenerate parameter values.
+    ctx.filter = new CanvasFilter(
+      {name: 'dropShadow', dx: [-5], dy: [], stdDeviation: null,
+       floodColor: 'purple', floodOpacity: [2]});
+    ctx.fillRect(10, 310, 80, 80);
+
+    ctx.filter = new CanvasFilter(
+      {name: 'dropShadow', dx: null, dy: '5', stdDeviation: [[-5], ['3']],
+       floodColor: 'purple', floodOpacity: '0.8'});
+    ctx.fillRect(110, 310, 80, 80);
+
+    ctx.filter = new CanvasFilter(
+      {name: 'dropShadow', dx: true, dy: ['10'], stdDeviation: false,
+       floodColor: 'purple', floodOpacity: ['0.4']});
+    ctx.fillRect(210, 310, 80, 80);
+
+    const bitmap = canvas.transferToImageBitmap();
+    self.postMessage(bitmap, bitmap);
+  };
+</script>
+<script>
+  const blob = new Blob([document.getElementById('myWorker').textContent]);
+  const worker = new Worker(URL.createObjectURL(blob));
+  worker.addEventListener('message', msg => {
+    const outputCtx = document.getElementById("canvas").getContext('2d');
+    outputCtx.drawImage(msg.data, 0, 0);
+    document.documentElement.classList.remove("reftest-wait");
+  });
+  worker.postMessage(null);
+</script>
+</html>