2d.gradient.conic.invalid.inputs.html

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This WPT test may be referenced by the following Test IDs:
- /html/canvas/offscreen/fill-and-stroke-styles/2d.gradient.conic.invalid.inputs.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

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

<meta charset="UTF-8">

<title>OffscreenCanvas test: 2d.gradient.conic.invalid.inputs</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.conic.invalid.inputs</h1>

<p class="desc">Conic gradient function with invalid inputs</p>

<script>

var t = async_test("Conic gradient function with invalid inputs");

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.createConicGradient(Infinity, 0, 1); });

  assert_throws_js(TypeError, function() { ctx.createConicGradient(-Infinity, 0, 1); });

  assert_throws_js(TypeError, function() { ctx.createConicGradient(NaN, 0, 1); });

  assert_throws_js(TypeError, function() { ctx.createConicGradient(0, Infinity, 1); });

  assert_throws_js(TypeError, function() { ctx.createConicGradient(0, -Infinity, 1); });

  assert_throws_js(TypeError, function() { ctx.createConicGradient(0, NaN, 1); });

  assert_throws_js(TypeError, function() { ctx.createConicGradient(0, 0, Infinity); });

  assert_throws_js(TypeError, function() { ctx.createConicGradient(0, 0, -Infinity); });

  assert_throws_js(TypeError, function() { ctx.createConicGradient(0, 0, NaN); });

  assert_throws_js(TypeError, function() { ctx.createConicGradient(Infinity, Infinity, 1); });

  assert_throws_js(TypeError, function() { ctx.createConicGradient(Infinity, Infinity, Infinity); });

  assert_throws_js(TypeError, function() { ctx.createConicGradient(Infinity, 0, Infinity); });

  assert_throws_js(TypeError, function() { ctx.createConicGradient(0, Infinity, Infinity); });

  const g = ctx.createConicGradient(0, 0, 25);

  assert_throws_js(TypeError, function() { g.addColorStop(-Infinity, '#f00'); });

  assert_throws_js(TypeError, function() { g.addColorStop(NaN, '#f00'); });

  assert_throws_dom("SYNTAX_ERR", function() { g.addColorStop(0, -Infinity); });

  assert_throws_dom("SYNTAX_ERR", function() { g.addColorStop(0, NaN); });

  t.done();

});

</script>