2d.strokeRect.globalalpha.html

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This WPT test may be referenced by the following Test IDs:
- /html/canvas/offscreen/drawing-rectangles-to-the-canvas/2d.strokeRect.globalalpha.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->

<meta charset="UTF-8">

<title>OffscreenCanvas test: 2d.strokeRect.globalalpha</title>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="/html/canvas/resources/canvas-tests.js"></script>

<h1>2d.strokeRect.globalalpha</h1>

<p class="desc">strokeRect is affected by globalAlpha</p>

<script>

var t = async_test("strokeRect is affected by globalAlpha");

var t_pass = t.done.bind(t);

var t_fail = t.step_func(function(reason) {

    throw reason;

});

t.step(function() {

  var canvas = new OffscreenCanvas(100, 50);

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

  ctx.globalAlpha = 0;

  ctx.strokeStyle = '#f00';

  ctx.lineWidth = 50;

  ctx.strokeRect(25, 24, 50, 2);

  _assertPixel(canvas, 50,25, 0,0,0,0);

  t.done();

});

</script>