third_party/WebKit/LayoutTests/imported/wpt/offscreen-canvas/pixel-manipulation/2d.imageData.get.clamp.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.clamp</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.clamp</h1>

	9 <p class="desc">getImageData() clamps colours to the range [0, 255]</p>

	10

	11

	12 <script>

	13 var t = async_test("getImageData() clamps colours to the range [0, 255]");

	14 t.step(function() {

	15

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

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

	18

	19 ctx.fillStyle = 'rgb(-100, -200, -300)';

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

	21 ctx.fillStyle = 'rgb(256, 300, 400)';

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

	23 var imgdata1 = ctx.getImageData(10, 5, 1, 1);

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

	25 _assertSame(imgdata1.data[1], 0, "imgdata1.data[\""+(1)+"\"]", "0");

	26 _assertSame(imgdata1.data[2], 0, "imgdata1.data[\""+(2)+"\"]", "0");

	27 var imgdata2 = ctx.getImageData(30, 15, 1, 1);

	28 _assertSame(imgdata2.data[0], 255, "imgdata2.data[\""+(0)+"\"]", "255");

	29 _assertSame(imgdata2.data[1], 255, "imgdata2.data[\""+(1)+"\"]", "255");

	30 _assertSame(imgdata2.data[2], 255, "imgdata2.data[\""+(2)+"\"]", "255");

	31

	32 t.done();

	33

	34 });

	35 </script>

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