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<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
<title>OffscreenCanvas test: 2d.line.width.basic</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/html/canvas/resources/canvas-tests.js"></script>
<h1>2d.line.width.basic</h1>
<p class="desc">lineWidth determines the width of line strokes</p>
<script>
var t = async_test("lineWidth determines the width of line strokes");
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);
ctx.lineWidth = 20;
// Draw a green line over a red box, to check the line is not too small
ctx.fillStyle = '#f00';
ctx.strokeStyle = '#0f0';
ctx.fillRect(15, 15, 20, 20);
ctx.beginPath();
ctx.moveTo(25, 15);
ctx.lineTo(25, 35);
ctx.stroke();
// Draw a green box over a red line, to check the line is not too large
ctx.fillStyle = '#0f0';
ctx.strokeStyle = '#f00';
ctx.beginPath();
ctx.moveTo(75, 15);
ctx.lineTo(75, 35);
ctx.stroke();
ctx.fillRect(65, 15, 20, 20);
_assertPixel(canvas, 14,25, 0,255,0,255);
_assertPixel(canvas, 15,25, 0,255,0,255);
_assertPixel(canvas, 16,25, 0,255,0,255);
_assertPixel(canvas, 25,25, 0,255,0,255);
_assertPixel(canvas, 34,25, 0,255,0,255);
_assertPixel(canvas, 35,25, 0,255,0,255);
_assertPixel(canvas, 36,25, 0,255,0,255);
_assertPixel(canvas, 64,25, 0,255,0,255);
_assertPixel(canvas, 65,25, 0,255,0,255);
_assertPixel(canvas, 66,25, 0,255,0,255);
_assertPixel(canvas, 75,25, 0,255,0,255);
_assertPixel(canvas, 84,25, 0,255,0,255);
_assertPixel(canvas, 85,25, 0,255,0,255);
_assertPixel(canvas, 86,25, 0,255,0,255);
t.done();
});
</script>
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