2d.fillStyle.colorObject.transparency.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /html/canvas/element/fill-and-stroke-styles/2d.fillStyle.colorObject.transparency.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

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

<title>Canvas test: 2d.fillStyle.colorObject.transparency</title>

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

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

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

<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">

<body class="show_output">

<h1>2d.fillStyle.colorObject.transparency</h1>

<p class="desc">ctx.fillStyle with color objects has transparency</p>

<p class="output">Actual output:</p>

<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>

<p class="output expectedtext">Expected output:<p><img src="/images/green-100x50.png" class="output expected" id="expected" alt="">

<ul id="d"></ul>

<script>

var t = async_test("ctx.fillStyle with color objects has transparency");

_addTest(function(canvas, ctx) {

  ctx.fillStyle = {r: 0, g: 1, b: 0, a: 0};

  ctx.fillRect(0, 0, 100, 50);

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

  ctx.clearRect(0, 0, 100, 50);

  ctx.fillStyle = {r: 0, g: 1, b: 0, a: -1};

  ctx.fillRect(0, 0, 100, 50);

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

  ctx.clearRect(0, 0, 100, 50);

  ctx.fillStyle = {r: 0, g: 1, b: 0, a: 0.5};

  ctx.fillRect(0, 0, 100, 50);

  _assertPixel(canvas, 50,25, 0,255,0,128);

  ctx.clearRect(0, 0, 100, 50);

  ctx.fillStyle = {r: 0, g: 1, b: 0, a: 1};

  ctx.fillRect(0, 0, 100, 50);

  _assertPixel(canvas, 50,25, 0,255,0,255);

});

</script>