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Test Info:

// DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py.
// OffscreenCanvas test in a worker:2d.gradient.interpolate.alpha
// Description:
// Note:
importScripts("/resources/testharness.js");
importScripts("/html/canvas/resources/canvas-tests.js");
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 = '#ff0';
ctx.fillRect(0, 0, 100, 50);
var g = ctx.createLinearGradient(0, 0, 100, 0);
g.addColorStop(0, 'rgba(0,0,255, 0)');
g.addColorStop(1, 'rgba(0,0,255, 1)');
ctx.fillStyle = g;
ctx.fillRect(0, 0, 100, 50);
_assertPixelApprox(canvas, 25,25, 191,191,63,255, 3);
_assertPixelApprox(canvas, 50,25, 127,127,127,255, 3);
_assertPixelApprox(canvas, 75,25, 63,63,191,255, 3);
t.done();
});
done();