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27 lines
848 B
JavaScript
27 lines
848 B
JavaScript
// DO NOT EDIT! This test has been generated by tools/gentest.py.
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// OffscreenCanvas test in a worker:2d.imageData.get.range
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// Description:getImageData() returns values in the range [0, 255]
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// Note:
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importScripts("/resources/testharness.js");
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importScripts("/common/canvas-tests.js");
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var t = async_test("getImageData() returns values in the range [0, 255]");
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t.step(function() {
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var offscreenCanvas = new OffscreenCanvas(100, 50);
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var ctx = offscreenCanvas.getContext('2d');
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ctx.fillStyle = '#000';
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ctx.fillRect(0, 0, 100, 50);
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ctx.fillStyle = '#fff';
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ctx.fillRect(20, 10, 60, 10);
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var imgdata1 = ctx.getImageData(10, 5, 1, 1);
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_assertSame(imgdata1.data[0], 0, "imgdata1.data[\""+(0)+"\"]", "0");
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var imgdata2 = ctx.getImageData(30, 15, 1, 1);
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_assertSame(imgdata2.data[0], 255, "imgdata2.data[\""+(0)+"\"]", "255");
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t.done();
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});
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done();
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