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Test Info:

// DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py.
// OffscreenCanvas test in a worker:2d.text.draw.align.center
// Description:textAlign center is the center of the em squares (not the bounding box)
// 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';
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#0f0';
ctx.textAlign = 'center';
ctx.fillText('DD', 50, 37.5);
_assertPixelApprox(canvas, 5,5, 0,255,0,255, 2);
_assertPixelApprox(canvas, 95,5, 0,255,0,255, 2);
_assertPixelApprox(canvas, 25,25, 0,255,0,255, 2);
_assertPixelApprox(canvas, 75,25, 0,255,0,255, 2);
_assertPixelApprox(canvas, 5,45, 0,255,0,255, 2);
_assertPixelApprox(canvas, 95,45, 0,255,0,255, 2);
}, "textAlign center is the center of the em squares (not the bounding box)");
done();