testing/web-platform/tests/html/canvas/offscreen/fill-and-stroke-styles/2d.gradient.interpolate.zerosize.strokeRect.html
author Calixte <cdenizet@mozilla.com>
Fri, 03 Feb 2023 10:01:34 +0000
changeset 651654 a356e2d3cf4646e614e3666509c7c3ee9474a96b
parent 639088 f2a97d24502c07e6fd0eb21789d47a3fa092fe26
permissions -rw-r--r--
Bug 1810761 - Add API to save a pdf file opened in pdf.js r=pdfjs-reviewers,geckoview-reviewers,marco,ohall,calu Differential Revision: https://phabricator.services.mozilla.com/D168413

<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
<title>OffscreenCanvas test: 2d.gradient.interpolate.zerosize.strokeRect</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/html/canvas/resources/canvas-tests.js"></script>

<h1>2d.gradient.interpolate.zerosize.strokeRect</h1>
<p class="desc"></p>


<script>
var t = async_test("");
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.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
var g = ctx.createLinearGradient(50, 25, 50, 25); // zero-length line (undefined direction)
g.addColorStop(0, '#f00');
g.addColorStop(1, '#f00');
ctx.strokeStyle = g;
ctx.strokeRect(20, 20, 60, 10);
_assertPixel(canvas, 19,19, 0,255,0,255);
_assertPixel(canvas, 20,19, 0,255,0,255);
_assertPixel(canvas, 21,19, 0,255,0,255);
_assertPixel(canvas, 19,20, 0,255,0,255);
_assertPixel(canvas, 20,20, 0,255,0,255);
_assertPixel(canvas, 21,20, 0,255,0,255);
_assertPixel(canvas, 19,21, 0,255,0,255);
_assertPixel(canvas, 20,21, 0,255,0,255);
_assertPixel(canvas, 21,21, 0,255,0,255);
t.done();

});
</script>