2d.line.join.bevel.worker.js

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This WPT test may be referenced by the following Test IDs:
- /html/canvas/offscreen/line-styles/2d.line.join.bevel.worker.html - WPT Dashboard Interop Dashboard

// DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py.

// OffscreenCanvas test in a worker:2d.line.join.bevel

// Description:lineJoin 'bevel' is rendered correctly

// Note:

importScripts("/resources/testharness.js");

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

var t = async_test("lineJoin 'bevel' is rendered correctly");

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);

  var tol = 1; // tolerance to avoid antialiasing artifacts

  ctx.lineJoin = 'bevel';

  ctx.lineWidth = 20;

  ctx.fillStyle = '#f00';

  ctx.strokeStyle = '#0f0';

  ctx.fillRect(10, 10, 20, 20);

  ctx.fillRect(20, 20, 20, 20);

  ctx.beginPath();

  ctx.moveTo(30, 20);

  ctx.lineTo(40-tol, 20);

  ctx.lineTo(30, 10+tol);

  ctx.fill();

  ctx.beginPath();

  ctx.moveTo(10, 20);

  ctx.lineTo(30, 20);

  ctx.lineTo(30, 40);

  ctx.stroke();

  ctx.fillStyle = '#0f0';

  ctx.strokeStyle = '#f00';

  ctx.beginPath();

  ctx.moveTo(60, 20);

  ctx.lineTo(80, 20);

  ctx.lineTo(80, 40);

  ctx.stroke();

  ctx.fillRect(60, 10, 20, 20);

  ctx.fillRect(70, 20, 20, 20);

  ctx.beginPath();

  ctx.moveTo(80, 20);

  ctx.lineTo(90+tol, 20);

  ctx.lineTo(80, 10-tol);

  ctx.fill();

  _assertPixel(canvas, 34,16, 0,255,0,255);

  _assertPixel(canvas, 34,15, 0,255,0,255);

  _assertPixel(canvas, 35,15, 0,255,0,255);

  _assertPixel(canvas, 36,15, 0,255,0,255);

  _assertPixel(canvas, 36,14, 0,255,0,255);

  _assertPixel(canvas, 84,16, 0,255,0,255);

  _assertPixel(canvas, 84,15, 0,255,0,255);

  _assertPixel(canvas, 85,15, 0,255,0,255);

  _assertPixel(canvas, 86,15, 0,255,0,255);

  _assertPixel(canvas, 86,14, 0,255,0,255);

  t.done();

});

done();