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<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
<title>OffscreenCanvas test: 2d.filter.layers.convolveMatrix.exceptions</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/html/canvas/resources/canvas-tests.js"></script>
<h1>2d.filter.layers.convolveMatrix.exceptions</h1>
<p class="desc">Test exceptions on CanvasFilter() convolveMatrix</p>
<script>
var t = async_test("Test exceptions on CanvasFilter() convolveMatrix");
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');
assert_throws_js(TypeError, function() { ctx.beginLayer({filter:
{name: 'convolveMatrix'}}); });
assert_throws_js(TypeError, function() { ctx.beginLayer({filter:
{name: 'convolveMatrix', divisor: 2}}); });
assert_throws_js(TypeError, function() { ctx.beginLayer({filter:
{name: 'convolveMatrix', kernelMatrix: null}}); });
assert_throws_js(TypeError, function() { ctx.beginLayer({filter:
{name: 'convolveMatrix', kernelMatrix: 1}}); });
assert_throws_js(TypeError, function() { ctx.beginLayer({filter:
{name: 'convolveMatrix', kernelMatrix: [[1, 0], [0]]}}); });
assert_throws_js(TypeError, function() { ctx.beginLayer({filter:
{name: 'convolveMatrix', kernelMatrix: [[1, 'a'], [0]]}}); });
assert_throws_js(TypeError, function() { ctx.beginLayer({filter:
{name: 'convolveMatrix', kernelMatrix: [[1, 0], 0]}}); });
assert_throws_js(TypeError, function() { ctx.beginLayer({filter:
{name: 'convolveMatrix', kernelMatrix: [[1, 0], [0, Infinity]]}}); });
assert_throws_js(TypeError, function() { ctx.beginLayer({filter:
{name: 'convolveMatrix', kernelMatrix: []}}); });
assert_throws_js(TypeError, function() { ctx.beginLayer({filter:
{name: 'convolveMatrix', kernelMatrix: [1]}}); });
assert_throws_js(TypeError, function() { ctx.beginLayer({filter:
{name: 'convolveMatrix', kernelMatrix: [1, 2, 3, 4]}}); });
assert_throws_js(TypeError, function() { ctx.beginLayer({filter:
{name: 'convolveMatrix', kernelMatrix: [[], []]}}); });
assert_throws_js(TypeError, function() { ctx.beginLayer({filter:
{name: 'convolveMatrix', kernelMatrix: [[1, 2], []]}}); });
assert_throws_js(TypeError, function() { ctx.beginLayer({filter:
{name: 'convolveMatrix', kernelMatrix: [[], [1, 2]]}}); });
// This should not throw an error
ctx.beginLayer({filter:
{name: 'convolveMatrix', kernelMatrix: [[]]}});
ctx.endLayer();
ctx.beginLayer({filter:
{name: 'convolveMatrix', kernelMatrix: [[1]]}});
ctx.endLayer();
t.done();
});
</script>
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