File: 2d.text.measure.baselines.html

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<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
<meta charset="UTF-8">
<title>OffscreenCanvas test: 2d.text.measure.baselines</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.baselines</h1>
<p class="desc">Testing baselines</p>


<script>
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();
  document.fonts.add(f);
  await document.fonts.ready;
  ctx.font = '50px CanvasTest';
  ctx.direction = 'ltr';
  ctx.align = 'left'
  _assertSame(Math.abs(ctx.measureText('A').alphabeticBaseline), 0, "Math.abs(ctx.measureText('A').alphabeticBaseline)", "0");
  _assertSame(ctx.measureText('A').ideographicBaseline, 6.25, "ctx.measureText('A').ideographicBaseline", "6.25");
  _assertSame(ctx.measureText('A').hangingBaseline, 25, "ctx.measureText('A').hangingBaseline", "25");

  _assertSame(Math.abs(ctx.measureText('ABCD').alphabeticBaseline), 0, "Math.abs(ctx.measureText('ABCD').alphabeticBaseline)", "0");
  _assertSame(ctx.measureText('ABCD').ideographicBaseline, 6.25, "ctx.measureText('ABCD').ideographicBaseline", "6.25");
  _assertSame(ctx.measureText('ABCD').hangingBaseline, 25, "ctx.measureText('ABCD').hangingBaseline", "25");

}, "Testing baselines");
</script>