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<!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 name="group5" id=radio71 checked>
<input type=radio name="group5" 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>
<form id="testform"></form>
<input type=radio form=testform name=group6 id=radio12 checked>
<input type=radio form=testform name=group6 id=radio13>
<input type=radio form=testform name=group6 id=radio14>
<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'),
radio12 = document.getElementById('radio12'),
radio13 = document.getElementById('radio13'),
radio14 = document.getElementById('radio14'),
testform = document.getElementById('testform'),
t1 = async_test("click on mutable radio fires click event, then input event, then 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 non-ASCII name attributes 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");
test(function(){
radio12.remove();
assert_true(radio12.checked);
assert_false(radio13.checked);
assert_false(radio14.checked);
radio13.checked = true;
assert_true(radio13.checked);
assert_false(radio14.checked);
radio13.removeAttribute("form");
radio14.removeAttribute("form");
assert_true(radio13.checked);
assert_false(radio14.checked);
radio14.checked = true;
assert_false(radio13.checked);
assert_true(radio14.checked);
radio13.setAttribute("form", "testform");
radio14.setAttribute("form", "testform");
radio13.checked = true;
assert_true(radio13.checked);
assert_false(radio14.checked);
testform.remove();
assert_true(radio13.checked);
assert_false(radio14.checked);
}, "moving radio input element out of or into a form should still work as expected");
radio5.onclick = t1.step_func(function(e) {
click_fired = true;
assert_false(input_fired, "click event should fire before input event");
assert_false(change_fired, "click event should fire before change event");
assert_false(e.isTrusted, "click()-initiated click event shouldn't be trusted");
});
radio5.oninput = t1.step_func(function(e) {
input_fired = true;
assert_true(click_fired, "input event should fire after click event");
assert_false(change_fired, "input event should fire before change event");
assert_true(e.bubbles, "input event should bubble")
assert_true(e.isTrusted, "input event should be trusted");
assert_false(e.cancelable, "input event should not be cancelable");
});
radio5.onchange = t1.step_func(function(e) {
change_fired = true;
assert_true(click_fired, "change event should fire after click event");
assert_true(input_fired, "change event should fire after input event");
assert_true(e.bubbles, "change event should bubble")
assert_true(e.isTrusted, "change event should be trusted");
assert_false(e.cancelable, "change event should 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();
});
t3.step(function(){
radio6.click();
t3.done();
t4.done();
});
radio72.onclick = t5.step_func_done(function(e){
assert_false(radio71.checked, "click on radio should uncheck other radio in same group");
assert_true(radio72.checked, "click on radio should check that radio");
e.preventDefault();
// The cancelation of the click doesn't have an effect until after all the click event handlers have been run.
assert_false(radio71.checked, "radio remains unchecked immediately after click event on other radio in same group is canceled");
assert_true(radio72.checked, "clicked radio remains checked immediately after click event is canceled");
});
t5.step(function(){
assert_true(radio71.checked, "initially checked radio should be checked");
assert_false(radio72.checked, "other radios in same group as initially-checked radio should be unchecked");
radio72.click();
// Now that the click event has been fully dispatched, its cancelation has taken effect.
assert_true(radio71.checked, "canceled click event on radio should leave the previously-checked radio checked");
assert_false(radio72.checked, "canceled click event on previously-unchecked radio should leave that radio unchecked");
});
</script>
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