File: 2d.imageData.get.source.size.html

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<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
<title>OffscreenCanvas test: 2d.imageData.get.source.size</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/html/canvas/resources/canvas-tests.js"></script>

<h1>2d.imageData.get.source.size</h1>
<p class="desc">getImageData() returns bigger ImageData for bigger source rectangle</p>


<script>
var t = async_test("getImageData() returns bigger ImageData for bigger source rectangle");
var t_pass = t.done.bind(t);
var t_fail = t.step_func(function(reason) {
    throw reason;
});
t.step(function() {

var offscreenCanvas = new OffscreenCanvas(100, 50);
var ctx = offscreenCanvas.getContext('2d');

var imgdata1 = ctx.getImageData(0, 0, 10, 10);
var imgdata2 = ctx.getImageData(0, 0, 20, 20);
_assert(imgdata2.width > imgdata1.width, "imgdata2.width > imgdata1.width");
_assert(imgdata2.height > imgdata1.height, "imgdata2.height > imgdata1.height");
t.done();

});
</script>