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

<h1>2d.conformance.requirements.missingargs</h1>
<p class="desc">Missing arguments cause TypeError</p>


<script>
var t = async_test("Missing arguments cause TypeError");
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.scale(); });
  assert_throws_js(TypeError, function() { ctx.scale(1); });
  assert_throws_js(TypeError, function() { ctx.rotate(); });
  assert_throws_js(TypeError, function() { ctx.translate(); });
  assert_throws_js(TypeError, function() { ctx.translate(0); });
  if (ctx.transform) { // (avoid spurious failures, since the aim here is not to test that all features are supported)
      assert_throws_js(TypeError, function() { ctx.transform(); });
      assert_throws_js(TypeError, function() { ctx.transform(1); });
      assert_throws_js(TypeError, function() { ctx.transform(1, 0); });
      assert_throws_js(TypeError, function() { ctx.transform(1, 0, 0); });
      assert_throws_js(TypeError, function() { ctx.transform(1, 0, 0, 1); });
      assert_throws_js(TypeError, function() { ctx.transform(1, 0, 0, 1, 0); });
  }
  if (ctx.setTransform) {
      assert_throws_js(TypeError, function() { ctx.setTransform(1); });
      assert_throws_js(TypeError, function() { ctx.setTransform(1, 0); });
      assert_throws_js(TypeError, function() { ctx.setTransform(1, 0, 0); });
      assert_throws_js(TypeError, function() { ctx.setTransform(1, 0, 0, 1); });
      assert_throws_js(TypeError, function() { ctx.setTransform(1, 0, 0, 1, 0); });
  }
  assert_throws_js(TypeError, function() { ctx.createLinearGradient(); });
  assert_throws_js(TypeError, function() { ctx.createLinearGradient(0); });
  assert_throws_js(TypeError, function() { ctx.createLinearGradient(0, 0); });
  assert_throws_js(TypeError, function() { ctx.createLinearGradient(0, 0, 1); });
  assert_throws_js(TypeError, function() { ctx.createRadialGradient(); });
  assert_throws_js(TypeError, function() { ctx.createRadialGradient(0); });
  assert_throws_js(TypeError, function() { ctx.createRadialGradient(0, 0); });
  assert_throws_js(TypeError, function() { ctx.createRadialGradient(0, 0, 1); });
  assert_throws_js(TypeError, function() { ctx.createRadialGradient(0, 0, 1, 0); });
  assert_throws_js(TypeError, function() { ctx.createRadialGradient(0, 0, 1, 0, 0); });
  assert_throws_js(TypeError, function() { ctx.createPattern(canvas); });
  assert_throws_js(TypeError, function() { ctx.clearRect(); });
  assert_throws_js(TypeError, function() { ctx.clearRect(0); });
  assert_throws_js(TypeError, function() { ctx.clearRect(0, 0); });
  assert_throws_js(TypeError, function() { ctx.clearRect(0, 0, 0); });
  assert_throws_js(TypeError, function() { ctx.fillRect(); });
  assert_throws_js(TypeError, function() { ctx.fillRect(0); });
  assert_throws_js(TypeError, function() { ctx.fillRect(0, 0); });
  assert_throws_js(TypeError, function() { ctx.fillRect(0, 0, 0); });
  assert_throws_js(TypeError, function() { ctx.strokeRect(); });
  assert_throws_js(TypeError, function() { ctx.strokeRect(0); });
  assert_throws_js(TypeError, function() { ctx.strokeRect(0, 0); });
  assert_throws_js(TypeError, function() { ctx.strokeRect(0, 0, 0); });
  assert_throws_js(TypeError, function() { ctx.moveTo(); });
  assert_throws_js(TypeError, function() { ctx.moveTo(0); });
  assert_throws_js(TypeError, function() { ctx.lineTo(); });
  assert_throws_js(TypeError, function() { ctx.lineTo(0); });
  assert_throws_js(TypeError, function() { ctx.quadraticCurveTo(); });
  assert_throws_js(TypeError, function() { ctx.quadraticCurveTo(0); });
  assert_throws_js(TypeError, function() { ctx.quadraticCurveTo(0, 0); });
  assert_throws_js(TypeError, function() { ctx.quadraticCurveTo(0, 0, 0); });
  assert_throws_js(TypeError, function() { ctx.bezierCurveTo(); });
  assert_throws_js(TypeError, function() { ctx.bezierCurveTo(0); });
  assert_throws_js(TypeError, function() { ctx.bezierCurveTo(0, 0); });
  assert_throws_js(TypeError, function() { ctx.bezierCurveTo(0, 0, 0); });
  assert_throws_js(TypeError, function() { ctx.bezierCurveTo(0, 0, 0, 0); });
  assert_throws_js(TypeError, function() { ctx.bezierCurveTo(0, 0, 0, 0, 0); });
  assert_throws_js(TypeError, function() { ctx.arcTo(); });
  assert_throws_js(TypeError, function() { ctx.arcTo(0); });
  assert_throws_js(TypeError, function() { ctx.arcTo(0, 0); });
  assert_throws_js(TypeError, function() { ctx.arcTo(0, 0, 0); });
  assert_throws_js(TypeError, function() { ctx.arcTo(0, 0, 0, 0); });
  assert_throws_js(TypeError, function() { ctx.rect(); });
  assert_throws_js(TypeError, function() { ctx.rect(0); });
  assert_throws_js(TypeError, function() { ctx.rect(0, 0); });
  assert_throws_js(TypeError, function() { ctx.rect(0, 0, 0); });
  assert_throws_js(TypeError, function() { ctx.arc(); });
  assert_throws_js(TypeError, function() { ctx.arc(0); });
  assert_throws_js(TypeError, function() { ctx.arc(0, 0); });
  assert_throws_js(TypeError, function() { ctx.arc(0, 0, 1); });
  assert_throws_js(TypeError, function() { ctx.arc(0, 0, 1, 0); });
  // (6th argument to arc is optional)
  if (ctx.isPointInPath) {
      assert_throws_js(TypeError, function() { ctx.isPointInPath(); });
      assert_throws_js(TypeError, function() { ctx.isPointInPath(0); });
  }
  if (ctx.drawFocusRing) {
      assert_throws_js(TypeError, function() { ctx.drawFocusRing(); });
      assert_throws_js(TypeError, function() { ctx.drawFocusRing(canvas); });
      assert_throws_js(TypeError, function() { ctx.drawFocusRing(canvas, 0); });
  }
  if (ctx.fillText) {
      assert_throws_js(TypeError, function() { ctx.fillText(); });
      assert_throws_js(TypeError, function() { ctx.fillText('test'); });
      assert_throws_js(TypeError, function() { ctx.fillText('test', 0); });
      assert_throws_js(TypeError, function() { ctx.strokeText(); });
      assert_throws_js(TypeError, function() { ctx.strokeText('test'); });
      assert_throws_js(TypeError, function() { ctx.strokeText('test', 0); });
      assert_throws_js(TypeError, function() { ctx.measureText(); });
  }
  assert_throws_js(TypeError, function() { ctx.drawImage(); });
  assert_throws_js(TypeError, function() { ctx.drawImage(canvas); });
  assert_throws_js(TypeError, function() { ctx.drawImage(canvas, 0); });
  // TODO: n >= 3 args on drawImage could be either a valid overload,
  // or too few for another overload, or too many for another
  // overload - what should happen?
  if (ctx.createImageData) {
      assert_throws_js(TypeError, function() { ctx.createImageData(); });
      assert_throws_js(TypeError, function() { ctx.createImageData(1); });
  }
  if (ctx.getImageData) {
      assert_throws_js(TypeError, function() { ctx.getImageData(); });
      assert_throws_js(TypeError, function() { ctx.getImageData(0); });
      assert_throws_js(TypeError, function() { ctx.getImageData(0, 0); });
      assert_throws_js(TypeError, function() { ctx.getImageData(0, 0, 1); });
  }
  if (ctx.putImageData) {
      var imgdata = ctx.getImageData(0, 0, 1, 1);
      assert_throws_js(TypeError, function() { ctx.putImageData(); });
      assert_throws_js(TypeError, function() { ctx.putImageData(imgdata); });
      assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 0); });
  }
  var g = ctx.createLinearGradient(0, 0, 0, 0);
  assert_throws_js(TypeError, function() { g.addColorStop(); });
  assert_throws_js(TypeError, function() { g.addColorStop(0); });
  t.done();

});
</script>
