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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.rounding</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.rounding</h1>
<p class="desc">Test the handling of non-integer source coordinates in getImageData().</p>
<script>
var t = async_test("Test the handling of non-integer source coordinates in getImageData().");
var t_pass = t.done.bind(t);
var t_fail = t.step_func(function(reason) {
throw reason;
});
t.step(function() {
var canvas = new OffscreenCanvas(100, 50);
var ctx = canvas.getContext('2d');
function testDimensions(sx, sy, sw, sh, width, height)
{
imageData = ctx.getImageData(sx, sy, sw, sh);
_assert(imageData.width == width, "imageData.width == width");
_assert(imageData.height == height, "imageData.height == height");
}
testDimensions(0, 0, 20, 10, 20, 10);
testDimensions(.1, .2, 20, 10, 20, 10);
testDimensions(.9, .8, 20, 10, 20, 10);
testDimensions(0, 0, 20.9, 10.9, 20, 10);
testDimensions(0, 0, 20.1, 10.1, 20, 10);
testDimensions(-1, -1, 20, 10, 20, 10);
testDimensions(-1.1, 0, 20, 10, 20, 10);
testDimensions(-1.9, 0, 20, 10, 20, 10);
t.done();
});
</script>
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