testing/web-platform/tests/html/canvas/offscreen/shadows/2d.shadow.gradient.transparent.1.html

   1 <!DOCTYPE html>
   2 <!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
   3 <title>OffscreenCanvas test: 2d.shadow.gradient.transparent.1</title>
   4 <script src="/resources/testharness.js"></script>
   5 <script src="/resources/testharnessreport.js"></script>
   6 <script src="/html/canvas/resources/canvas-tests.js"></script>
   7
   8 <h1>2d.shadow.gradient.transparent.1</h1>
   9 <p class="desc">Shadows are not drawn for transparent gradient fills</p>
  10
  11
  12 <script>
  13 var t = async_test("Shadows are not drawn for transparent gradient fills");
  14 var t_pass = t.done.bind(t);
  15 var t_fail = t.step_func(function(reason) {
  16     throw reason;
  17 });
  18 t.step(function() {
  19
  20 var canvas = new OffscreenCanvas(100, 50);
  21 var ctx = canvas.getContext('2d');
  22
  23 var gradient = ctx.createLinearGradient(0, 0, 100, 0);
  24 gradient.addColorStop(0, 'rgba(0,0,0,0)');
  25 gradient.addColorStop(1, 'rgba(0,0,0,0)');
  26 ctx.fillStyle = '#0f0';
  27 ctx.fillRect(0, 0, 100, 50);
  28 ctx.shadowColor = '#f00';
  29 ctx.shadowOffsetY = 50;
  30 ctx.fillStyle = gradient;
  31 ctx.fillRect(0, -50, 100, 50);
  32 _assertPixel(canvas, 50,25, 0,255,0,255);
  33 t.done();
  34
  35 });
  36 </script>