1 files changed, 50 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/offscreen/shadows/2d.shadow.attributes.shadowOffset.valid.html b/testing/web-platform/tests/html/canvas/offscreen/shadows/2d.shadow.attributes.shadowOffset.valid.html
new file mode 100644
index 0000000000..82f5f0118d
--- /dev/null
+++ b/testing/web-platform/tests/html/canvas/offscreen/shadows/2d.shadow.attributes.shadowOffset.valid.html
@@ -0,0 +1,50 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>OffscreenCanvas test: 2d.shadow.attributes.shadowOffset.valid</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+
+<h1>2d.shadow.attributes.shadowOffset.valid</h1>
+<p class="desc"></p>
+
+
+<script>
+var t = async_test("");
+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');
+
+  ctx.shadowOffsetX = 1;
+  ctx.shadowOffsetY = 2;
+  _assertSame(ctx.shadowOffsetX, 1, "ctx.shadowOffsetX", "1");
+  _assertSame(ctx.shadowOffsetY, 2, "ctx.shadowOffsetY", "2");
+
+  ctx.shadowOffsetX = 0.5;
+  ctx.shadowOffsetY = 0.25;
+  _assertSame(ctx.shadowOffsetX, 0.5, "ctx.shadowOffsetX", "0.5");
+  _assertSame(ctx.shadowOffsetY, 0.25, "ctx.shadowOffsetY", "0.25");
+
+  ctx.shadowOffsetX = -0.5;
+  ctx.shadowOffsetY = -0.25;
+  _assertSame(ctx.shadowOffsetX, -0.5, "ctx.shadowOffsetX", "-0.5");
+  _assertSame(ctx.shadowOffsetY, -0.25, "ctx.shadowOffsetY", "-0.25");
+
+  ctx.shadowOffsetX = 0;
+  ctx.shadowOffsetY = 0;
+  _assertSame(ctx.shadowOffsetX, 0, "ctx.shadowOffsetX", "0");
+  _assertSame(ctx.shadowOffsetY, 0, "ctx.shadowOffsetY", "0");
+
+  ctx.shadowOffsetX = 1e6;
+  ctx.shadowOffsetY = 1e6;
+  _assertSame(ctx.shadowOffsetX, 1e6, "ctx.shadowOffsetX", "1e6");
+  _assertSame(ctx.shadowOffsetY, 1e6, "ctx.shadowOffsetY", "1e6");
+  t.done();
+
+});
+</script>