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<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
<title>OffscreenCanvas test: 2d.text.measure.fontBoundingBox.ahem</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/html/canvas/resources/canvas-tests.js"></script>
<h1>2d.text.measure.fontBoundingBox.ahem</h1>
<p class="desc">Testing fontBoundingBox for font ahem</p>
<script>
promise_test(async t => {
var canvas = new OffscreenCanvas(100, 50);
var ctx = canvas.getContext('2d');
var f = new FontFace("Ahem", "url('/fonts/Ahem.ttf')");
f.load();
document.fonts.add(f);
await document.fonts.ready;
ctx.font = '50px Ahem';
ctx.direction = 'ltr';
ctx.align = 'left'
_assertSame(ctx.measureText('A').fontBoundingBoxAscent, 40, "ctx.measureText('A').fontBoundingBoxAscent", "40");
_assertSame(ctx.measureText('A').fontBoundingBoxDescent, 10, "ctx.measureText('A').fontBoundingBoxDescent", "10");
_assertSame(ctx.measureText('ABCD').fontBoundingBoxAscent, 40, "ctx.measureText('ABCD').fontBoundingBoxAscent", "40");
_assertSame(ctx.measureText('ABCD').fontBoundingBoxDescent, 10, "ctx.measureText('ABCD').fontBoundingBoxDescent", "10");
}, "Testing fontBoundingBox for font ahem");
</script>
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