Source code
Revision control
Copy as Markdown
Other Tools
Test Info:
- This WPT test may be referenced by the following Test IDs:
- /html/canvas/offscreen/path-objects/2d.path.closed.arc.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.path.closed.arc</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/html/canvas/resources/canvas-tests.js"></script>
<h1>2d.path.closed.arc</h1>
<p class="desc">line caps should not be drawn on closed arcs</p>
<script>
var t = async_test("line caps should not be drawn on closed arcs");
var t_pass = t.done.bind(t);
var t_fail = t.step_func(function(reason) {
throw reason;
});
t.step(function() {
var canvas = new OffscreenCanvas(300, 300);
var ctx = canvas.getContext('2d');
ctx.beginPath();
ctx.strokeStyle = 'red';
ctx.lineWidth = 20;
ctx.lineCap = 'square';
ctx.arc(150, 150, 50, 0, 2 * Math.PI);
ctx.closePath();
ctx.stroke();
// The pixel (209, 148) is part of the line cap, but not part of the circle.
// Linecap is not drawn if the circle is closed, so the pixel is not red.
assert_not_equals(ctx.getImageData(209, 148, 1, 1).data, [255, 0, 0, 255])
t.done();
});
</script>