chromium/third_party/blink/web_tests/external/wpt/html/canvas/offscreen/compositing/2d.composite.clip.source-in.worker.js

// DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py.
// OffscreenCanvas test in a worker:2d.composite.clip.source-in
// Description:fill() does not affect pixels outside the clip region.
// Note:

importScripts("/resources/testharness.js");
importScripts("/html/canvas/resources/canvas-tests.js");

var t = async_test("fill() does not affect pixels outside the clip region.");
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.fillStyle = '#0f0';
  ctx.fillRect(0, 0, 100, 50);
  ctx.globalCompositeOperation = 'source-in';
  ctx.rect(-20, -20, 10, 10);
  ctx.clip();
  ctx.fillStyle = '#f00';
  ctx.fillRect(0, 0, 50, 50);
  _assertPixel(canvas, 25,25, 0,255,0,255);
  _assertPixel(canvas, 75,25, 0,255,0,255);
  t.done();
});
done();