1 files changed, 49 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/offscreen/filters/2d.filter.canvasFilterObject.tentative.html b/testing/web-platform/tests/html/canvas/offscreen/filters/2d.filter.canvasFilterObject.tentative.html
new file mode 100644
index 0000000000..fb99ef7d1f
--- /dev/null
+++ b/testing/web-platform/tests/html/canvas/offscreen/filters/2d.filter.canvasFilterObject.tentative.html
@@ -0,0 +1,49 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>OffscreenCanvas test: 2d.filter.canvasFilterObject.tentative</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+
+<h1>2d.filter.canvasFilterObject.tentative</h1>
+<p class="desc">Test CanvasFilter() object</p>
+
+
+<script>
+var t = async_test("Test CanvasFilter() object");
+var t_pass = t.done.bind(t);
+var t_fail = t.step_func(function(reason) {
+    throw reason;
+});
+t.step(function() {
+
+  var canvas = new OffscreenCanvas(100, 50);
+  var ctx = canvas.getContext('2d');
+
+  _assert(ctx.filter == 'none', "ctx.filter == 'none'");
+  ctx.filter = 'blur(5px)';
+  _assert(ctx.filter == 'blur(5px)', "ctx.filter == 'blur(5px)'");
+  ctx.filter = new CanvasFilter({name: 'gaussianBlur', stdDeviation: 5});
+  _assert(ctx.filter.toString() == '[object CanvasFilter]', "ctx.filter.toString() == '[object CanvasFilter]'");
+  ctx.filter = new CanvasFilter({name: 'gaussianBlur', stdDeviation: [1, 2]});
+  _assert(ctx.filter.toString() == '[object CanvasFilter]', "ctx.filter.toString() == '[object CanvasFilter]'");
+  ctx.filter = new CanvasFilter([
+      {name: 'gaussianBlur', stdDeviation: 5},
+      {name: 'gaussianBlur', stdDeviation: 10}
+  ]);
+  _assert(ctx.filter.toString() == '[object CanvasFilter]', "ctx.filter.toString() == '[object CanvasFilter]'");
+  var canvas2 = new OffscreenCanvas(100, 50);
+  var ctx2 = canvas2.getContext('2d');
+  ctx2.filter = ctx.filter;
+  _assert(ctx.filter.toString() == '[object CanvasFilter]', "ctx.filter.toString() == '[object CanvasFilter]'");
+  ctx.filter = 'blur(5px)';
+  _assert(ctx.filter == 'blur(5px)', "ctx.filter == 'blur(5px)'");
+  ctx.filter = 'none';
+  _assert(ctx.filter == 'none', "ctx.filter == 'none'");
+  ctx.filter = new CanvasFilter({name: 'gaussianBlur', stdDeviation: 5});
+  ctx.filter = 'this string is not a filter and should do nothing';
+  _assert(ctx.filter.toString() == '[object CanvasFilter]', "ctx.filter.toString() == '[object CanvasFilter]'");
+  t.done();
+
+});
+</script>