third_party/WebKit/LayoutTests/imported/wpt/offscreen-canvas/pixel-manipulation/2d.imageData.get.order.alpha.html - Issue 2550713004: Import wpt@5915964199b07226bf6d8fbb177a63b1f272907a

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Side by Side Diff: third_party/WebKit/LayoutTests/imported/wpt/offscreen-canvas/pixel-manipulation/2d.imageData.get.order.alpha.html

Issue 2550713004: Import wpt@5915964199b07226bf6d8fbb177a63b1f272907a (Closed)

Patch Set: Modify TestExpectations or download new baselines for tests. Created 4 years ago

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	1 <!DOCTYPE html>

	2 <!-- DO NOT EDIT! This test has been generated by tools/gentest.py. -->

	3 <title>OffscreenCanvas test: 2d.imageData.get.order.alpha</title>

	4 <script src="/resources/testharness.js"></script>

	5 <script src="/resources/testharnessreport.js"></script>

	6 <script src="/common/canvas-tests.js"></script>

	7

	8 <h1>2d.imageData.get.order.alpha</h1>

	9 <p class="desc">getImageData() returns A in the fourth component</p>

	10

	11

	12 <script>

	13 var t = async_test("getImageData() returns A in the fourth component");

	14 t.step(function() {

	15

	16 var offscreenCanvas = new OffscreenCanvas(100, 50);

	17 var ctx = offscreenCanvas.getContext('2d');

	18

	19 ctx.fillStyle = 'rgba(0, 0, 0, 0.5)';

	20 ctx.fillRect(0, 0, 100, 50);

	21 var imgdata = ctx.getImageData(0, 0, 10, 10);

	22 _assert(imgdata.data[3] < 200, "imgdata.data[\""+(3)+"\"] < 200");

	23 _assert(imgdata.data[3] > 100, "imgdata.data[\""+(3)+"\"] > 100");

	24

	25 t.done();

	26

	27 });

	28 </script>

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