2d.pattern.basic.zerocanvas.worker.js

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This WPT test may be referenced by the following Test IDs:
- /html/canvas/offscreen/fill-and-stroke-styles/2d.pattern.basic.zerocanvas.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.pattern.basic.zerocanvas

// Description:

// Note:

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

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

var t = async_test("");

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 = 0;

  canvas.height = 10;

  _assertSame(canvas.width, 0, "canvas.width", "0");

  _assertSame(canvas.height, 10, "canvas.height", "10");

  assert_throws_dom("INVALID_STATE_ERR", function() { ctx.createPattern(canvas, 'repeat'); });

  canvas.width = 10;

  canvas.height = 0;

  _assertSame(canvas.width, 10, "canvas.width", "10");

  _assertSame(canvas.height, 0, "canvas.height", "0");

  assert_throws_dom("INVALID_STATE_ERR", function() { ctx.createPattern(canvas, 'repeat'); });

  canvas.width = 0;

  canvas.height = 0;

  _assertSame(canvas.width, 0, "canvas.width", "0");

  _assertSame(canvas.height, 0, "canvas.height", "0");

  assert_throws_dom("INVALID_STATE_ERR", function() { ctx.createPattern(canvas, 'repeat'); });

  t.done();

});

done();