<!DOCTYPE html>
<meta charset=utf-8>
<title>input type radio</title>
<link rel="author" title="Denis Ah-Kang" href="mailto:denis@w3.org">
<link rel=help href="https://html.spec.whatwg.org/multipage/#radio-button-state-(type=radio)">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<input type=radio name=group1 id=radio1>
<input type=radio name=group1 id=radio2>

<input type=radio name=groüp2 id=radio3>
<input type=radio name=groÜp2 id=radio4>

<input type=radio id=radio5>
<input type=radio id=radio6 disabled>

<input type=radio id=radio71 checked>
<input type=radio id=radio72>

<input type=radio name=group3 id=radio8 checked>
<input type=radio name=group3 id=radio9>
<input type=radio name=group4 id=radio10>
<input type=radio name=group4 id=radio11 checked>


<script>
  var radio1 = document.getElementById('radio1'),
      radio2 = document.getElementById('radio2'),
      radio3 = document.getElementById('radio3'),
      radio4 = document.getElementById('radio4'),
      radio5 = document.getElementById('radio5'),
      radio6 = document.getElementById('radio6'),
      radio71 = document.getElementById('radio71'),
      radio72 = document.getElementById('radio72'),
      radio8 = document.getElementById('radio8'),
      radio9 = document.getElementById('radio9'),
      radio10 = document.getElementById('radio10'),
      radio11 = document.getElementById('radio11'),
      t1 = async_test("click on mutable radio fires the input event"),
      t2 = async_test("click on mutable radio fires the change event"),
      t3 = async_test("click on non-mutable radio doesn't fire the input event"),
      t4 = async_test("click on non-mutable radio doesn't fire the change event"),
      t5 = async_test("canceled activation steps on unchecked radio"),
      input_fired = false,
      change_fired = false;

  test(function(){
    assert_false(radio1.checked);
    assert_false(radio2.checked);
    radio1.checked = true;
    assert_true(radio1.checked);
    assert_false(radio2.checked);
    radio2.checked = true;
    assert_false(radio1.checked);
    assert_true(radio2.checked);
  }, "only one control of a radio button group can have its checkedness set to true");

  test(function(){
    assert_false(radio3.checked);
    assert_false(radio4.checked);
    radio3.checked = true;
    assert_true(radio3.checked);
    assert_false(radio4.checked);
    radio4.checked = true;
    assert_false(radio3.checked);
    assert_true(radio4.checked);
  }, "radio inputs with name attributes groüp2 and groÜp2 belong to the same radio button group");

  test(function(){
    assert_true(radio8.checked);
    assert_false(radio9.checked);
    assert_false(radio10.checked);
    assert_true(radio11.checked);
    radio9.name="group4";
    radio9.checked = true;
    assert_true(radio8.checked);
    assert_true(radio9.checked);
    assert_false(radio10.checked);
    assert_false(radio11.checked);
  }, "changing the name of a radio input element and setting its checkedness to true makes all the other elements' checkedness in the same radio button group be set to false");

  radio5.oninput= t1.step_func(function(e) {
    input_fired = true;
    assert_true(e.bubbles, "event should bubble")
    assert_true(e.isTrusted, "event should be trusted");
    assert_false(e.cancelable, "event shoud not be cancelable");
  });

  radio5.onchange = t2.step_func(function(e) {
    change_fired = true;
    assert_true(e.bubbles, "event should bubble")
    assert_true(e.isTrusted, "event should be trusted");
    assert_false(e.cancelable, "event shoud not be cancelable");
  });

  radio6.oninput= t3.step_func_done(function(e) {
    assert_unreached("event input fired");
  });

  radio6.onchange = t4.step_func_done(function(e) {
    assert_unreached("event change fired");
  });

  t1.step(function() {
    radio5.click();
    assert_true(input_fired);
    t1.done();
  });

  t2.step(function() {
    assert_true(change_fired);
    t2.done();
  })

  t3.step(function(){
    radio6.click();
    t3.done();
    t4.done();
  });

  radio72.onclick = t5.step_func_done(function(e){
    assert_false(radio71.checked);
    assert_true(radio72.checked);
    e.preventDefault();
    assert_false(radio71.checked);
    assert_true(radio72.checked);
  });

  t5.step(function(){
    assert_true(radio71.checked);
    assert_false(radio72.checked);
    radio72.click();
    assert_true(radio71.checked);
    assert_false(radio72.checked);
  });
</script>