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// DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py.
// OffscreenCanvas test in a worker:2d.shadow.alpha.4
// Description:Shadows with alpha components are correctly affected by globalAlpha
// Note:
importScripts("/resources/testharness.js");
importScripts("/html/canvas/resources/canvas-tests.js");
var t = async_test("Shadows with alpha components are correctly affected by globalAlpha");
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 = '#f00';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#f00'; // (work around broken Firefox globalAlpha caching)
ctx.shadowColor = 'rgba(0, 0, 255, 0.707)';
ctx.shadowOffsetY = 50;
ctx.globalAlpha = 0.707;
ctx.fillRect(0, -50, 100, 50);
_assertPixelApprox(canvas, 50,25, 127,0,127,255, 2);
t.done();
});
done();
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