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path: root/testing/web-platform/tests/html/canvas/offscreen/path-objects/2d.path.arcTo.zero.2.worker.js
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// DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py.
// OffscreenCanvas test in a worker:2d.path.arcTo.zero.2
// Description:arcTo() with zero radius draws a straight line from P0 to P1, even when all points are collinear
// Note:

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

var t = async_test("arcTo() with zero radius draws a straight line from P0 to P1, even when all points are collinear");
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 = '#f00';
  ctx.fillRect(0, 0, 100, 50);
  ctx.lineWidth = 50;

  ctx.strokeStyle = '#0f0';
  ctx.beginPath();
  ctx.moveTo(0, 25);
  ctx.arcTo(100, 25, -100, 25, 0);
  ctx.stroke();

  ctx.strokeStyle = '#f00';
  ctx.beginPath();
  ctx.moveTo(100, 25);
  ctx.arcTo(200, 25, 50, 25, 0);
  ctx.stroke();

  _assertPixel(canvas, 50,25, 0,255,0,255);
  t.done();
});
done();