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// DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py.
// OffscreenCanvas test in a worker:2d.text.measure.emHeights-low-ascent
// Description:Testing emHeights with reduced ascent metric
// 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-ascent256", "url('/fonts/CanvasTest-ascent256.ttf')");
f.load();
self.fonts.add(f);
await self.fonts.ready;
ctx.font = '40px CanvasTest-ascent256';
ctx.direction = 'ltr';
ctx.align = 'left'
_assertSame(ctx.measureText('A').emHeightAscent, 20, "ctx.measureText('A').emHeightAscent", "20");
_assertSame(ctx.measureText('A').emHeightDescent, 20, "ctx.measureText('A').emHeightDescent", "20");
_assertSame(ctx.measureText('A').emHeightDescent + ctx.measureText('A').emHeightAscent, 40, "ctx.measureText('A').emHeightDescent + ctx.measureText('A').emHeightAscent", "40");
_assertSame(ctx.measureText('ABCD').emHeightAscent, 20, "ctx.measureText('ABCD').emHeightAscent", "20");
_assertSame(ctx.measureText('ABCD').emHeightDescent, 20, "ctx.measureText('ABCD').emHeightDescent", "20");
_assertSame(ctx.measureText('ABCD').emHeightDescent + ctx.measureText('ABCD').emHeightAscent, 40, "ctx.measureText('ABCD').emHeightDescent + ctx.measureText('ABCD').emHeightAscent", "40");
t.done();
}, "Testing emHeights with reduced ascent metric");
done();
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