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

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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.source.negative</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.source.negative</h1>

	9 <p class="desc">getImageData() works with negative width and height, and returns top-to-bottom left-to-right</p>

	10

	11

	12 <script>

	13 var t = async_test("getImageData() works with negative width and height, and ret urns top-to-bottom left-to-right");

	14 t.step(function() {

	15

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

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

	18

	19 ctx.fillStyle = '#000';

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

	21 ctx.fillStyle = '#fff';

	22 ctx.fillRect(20, 10, 60, 10);

	23 var imgdata1 = ctx.getImageData(85, 25, -10, -10);

	24 _assertSame(imgdata1.data[0], 255, "imgdata1.data[\""+(0)+"\"]", "255");

	25 _assertSame(imgdata1.data[1], 255, "imgdata1.data[\""+(1)+"\"]", "255");

	26 _assertSame(imgdata1.data[2], 255, "imgdata1.data[\""+(2)+"\"]", "255");

	27 _assertSame(imgdata1.data[3], 255, "imgdata1.data[\""+(3)+"\"]", "255");

	28 _assertSame(imgdata1.data[imgdata1.data.length-4+0], 0, "imgdata1.data[imgdata1. data.length-4+0]", "0");

	29 _assertSame(imgdata1.data[imgdata1.data.length-4+1], 0, "imgdata1.data[imgdata1. data.length-4+1]", "0");

	30 _assertSame(imgdata1.data[imgdata1.data.length-4+2], 0, "imgdata1.data[imgdata1. data.length-4+2]", "0");

	31 _assertSame(imgdata1.data[imgdata1.data.length-4+3], 255, "imgdata1.data[imgdata 1.data.length-4+3]", "255");

	32 var imgdata2 = ctx.getImageData(0, 0, -1, -1);

	33 _assertSame(imgdata2.data[0], 0, "imgdata2.data[\""+(0)+"\"]", "0");

	34 _assertSame(imgdata2.data[1], 0, "imgdata2.data[\""+(1)+"\"]", "0");

	35 _assertSame(imgdata2.data[2], 0, "imgdata2.data[\""+(2)+"\"]", "0");

	36 _assertSame(imgdata2.data[3], 0, "imgdata2.data[\""+(3)+"\"]", "0");

	37

	38 t.done();

	39

	40 });

	41 </script>

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