2d.text.measure.width.basic.worker.js

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This WPT test may be referenced by the following Test IDs:
- /html/canvas/offscreen/text/2d.text.measure.width.basic.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.text.measure.width.basic

// Description:The width of character is same as font used

// Note:

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

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

promise_test(async t => {

  var canvas = new OffscreenCanvas(100, 50);

  var ctx = canvas.getContext('2d');

  var f = new FontFace("CanvasTest", "url('/fonts/CanvasTest.ttf')");

  f.load();

  self.fonts.add(f);

  await self.fonts.ready;

  ctx.font = '50px CanvasTest';

  _assertSame(ctx.measureText('A').width, 50, "ctx.measureText('A').width", "50");

  _assertSame(ctx.measureText('AA').width, 100, "ctx.measureText('AA').width", "100");

  _assertSame(ctx.measureText('ABCD').width, 200, "ctx.measureText('ABCD').width", "200");

  ctx.font = '100px CanvasTest';

  _assertSame(ctx.measureText('A').width, 100, "ctx.measureText('A').width", "100");

}, "The width of character is same as font used");

done();