Source code

Revision control

Other Tools

Test Info:

<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
<title>OffscreenCanvas test: 2d.gradient.object.invalidoffset</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/html/canvas/resources/canvas-tests.js"></script>
<h1>2d.gradient.object.invalidoffset</h1>
<p class="desc"></p>
<script>
var t = async_test("");
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');
var g = ctx.createLinearGradient(0, 0, 100, 0);
assert_throws_dom("INDEX_SIZE_ERR", function() { g.addColorStop(-1, '#000'); });
assert_throws_dom("INDEX_SIZE_ERR", function() { g.addColorStop(2, '#000'); });
assert_throws_js(TypeError, function() { g.addColorStop(Infinity, '#000'); });
assert_throws_js(TypeError, function() { g.addColorStop(-Infinity, '#000'); });
assert_throws_js(TypeError, function() { g.addColorStop(NaN, '#000'); });
t.done();
});
</script>