offscreen-canvas/path-objects/2d.path.rect.negative.html

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

<h1>2d.path.rect.negative</h1>
<p class="desc"></p>


<script>
var t = async_test("");
t.step(function() {

var offscreenCanvas = new OffscreenCanvas(100, 50);
var ctx = offscreenCanvas.getContext('2d');

ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
ctx.beginPath();
ctx.fillStyle = '#0f0';
ctx.rect(0, 0, 50, 25);
ctx.rect(100, 0, -50, 25);
ctx.rect(0, 50, 50, -25);
ctx.rect(100, 50, -50, -25);
ctx.fill();
_assertPixel(offscreenCanvas, 25,12, 0,255,0,255, "25,12", "0,255,0,255");
_assertPixel(offscreenCanvas, 75,12, 0,255,0,255, "75,12", "0,255,0,255");
_assertPixel(offscreenCanvas, 25,37, 0,255,0,255, "25,37", "0,255,0,255");
_assertPixel(offscreenCanvas, 75,37, 0,255,0,255, "75,37", "0,255,0,255");

t.done();

});
</script>