1 files changed, 42 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/offscreen/canvas-host/2d.canvas.host.size.attributes.idl.html b/testing/web-platform/tests/html/canvas/offscreen/canvas-host/2d.canvas.host.size.attributes.idl.html
new file mode 100644
index 0000000000..7030103524
--- /dev/null
+++ b/testing/web-platform/tests/html/canvas/offscreen/canvas-host/2d.canvas.host.size.attributes.idl.html
@@ -0,0 +1,42 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>OffscreenCanvas test: 2d.canvas.host.size.attributes.idl</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+
+<h1>2d.canvas.host.size.attributes.idl</h1>
+<p class="desc">Getting/setting width/height IDL attributes</p>
+
+
+<script>
+var t = async_test("Getting/setting width/height IDL attributes");
+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');
+
+  canvas.width = "100";
+  canvas.height = "100";
+  _assertSame(canvas.width, 100, "canvas.width", "100");
+  _assertSame(canvas.height, 100, "canvas.height", "100");
+  canvas.width = "+1.5e2";
+  canvas.height = "0x96";
+  _assertSame(canvas.width, 150, "canvas.width", "150");
+  _assertSame(canvas.height, 150, "canvas.height", "150");
+  canvas.width = 301.999;
+  canvas.height = 301.001;
+  _assertSame(canvas.width, 301, "canvas.width", "301");
+  _assertSame(canvas.height, 301, "canvas.height", "301");
+  assert_throws_js(TypeError, function() { canvas.width = "400x"; });
+  assert_throws_js(TypeError, function() { canvas.height = "foo"; });
+  _assertSame(canvas.width, 301, "canvas.width", "301");
+  _assertSame(canvas.height, 301, "canvas.height", "301");
+  t.done();
+
+});
+</script>