third_party/WebKit/LayoutTests/imported/wpt/offscreen-canvas/pixel-manipulation/2d.imageData.object.readonly.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.object.readonly.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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(Empty)
	1 <!DOCTYPE html>

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

	3 <title>OffscreenCanvas test: 2d.imageData.object.readonly</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.object.readonly</h1>

	9 <p class="desc">ImageData objects properties are read-only</p>

	10

	11

	12 <script>

	13 var t = async_test("ImageData objects properties are read-only");

	14 t.step(function() {

	15

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

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

	18

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

	20 var w = imgdata.width;

	21 var h = imgdata.height;

	22 var d = imgdata.data;

	23 imgdata.width = 123;

	24 imgdata.height = 123;

	25 imgdata.data = [100,100,100,100];

	26 _assertSame(imgdata.width, w, "imgdata.width", "w");

	27 _assertSame(imgdata.height, h, "imgdata.height", "h");

	28 _assertSame(imgdata.data, d, "imgdata.data", "d");

	29 _assertSame(imgdata.data[0], 0, "imgdata.data[\""+(0)+"\"]", "0");

	30 _assertSame(imgdata.data[1], 0, "imgdata.data[\""+(1)+"\"]", "0");

	31 _assertSame(imgdata.data[2], 0, "imgdata.data[\""+(2)+"\"]", "0");

	32 _assertSame(imgdata.data[3], 0, "imgdata.data[\""+(3)+"\"]", "0");

	33

	34 t.done();

	35

	36 });

	37 </script>

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