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<!doctype html>
<meta charset="utf-8" />
<meta name="author" title="Keith Cirkel" href="mailto:wpt@keithcirkel.co.uk" />
<meta name="timeout" content="long" />
<link rel="help" href="https://open-ui.org/components/invokers.explainer/" />
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/invoker-utils.js"></script>
<div id="invokee"></div>
<button id="invokerbutton" commandfor="invokee" command="--custom-command"></button>
<input type="button" id="invalidbutton" commandfor="invokee" command="--custom-command">
<form id="aform"></form>
<script>
aform.addEventListener('submit', (e) => (e.preventDefault()));
function resetState() {
invokerbutton.setAttribute("commandfor", "invokee");
invokerbutton.setAttribute("command", "--custom-command");
invokerbutton.removeAttribute("disabled");
invokerbutton.removeAttribute("form");
invokerbutton.removeAttribute("type");
}
test(function (t) {
let event = null;
invokee.addEventListener("command", (e) => (event = e), { once: true });
invokerbutton.click();
assert_true(event instanceof CommandEvent, "event is CommandEvent");
assert_equals(event.type, "command", "type");
assert_equals(event.bubbles, false, "bubbles");
assert_equals(event.composed, true, "composed");
assert_equals(event.isTrusted, true, "isTrusted");
assert_equals(event.command, "--custom-command", "command");
assert_equals(event.target, invokee, "target");
assert_equals(event.source, invokerbutton, "source");
}, "event dispatches on click with addEventListener");
test(function (t) {
let event = null;
t.add_cleanup(() => {
invokee.oncommand = null;
});
invokee.oncommand = (e) => (event = e);
invokerbutton.click();
assert_true(event instanceof CommandEvent, "event is CommandEvent");
assert_equals(event.type, "command", "type");
assert_equals(event.bubbles, false, "bubbles");
assert_equals(event.composed, true, "composed");
assert_equals(event.isTrusted, true, "isTrusted");
assert_equals(event.command, "--custom-command", "command");
assert_equals(event.target, invokee, "target");
assert_equals(event.source, invokerbutton, "source");
}, "event dispatches on click with oncommand property");
// valid custom invokeactions
["--foo", "--foo-", "--cAsE-cArRiEs", "--", "--a-", "--a-b", "---", "--show-picker"].forEach(
(command) => {
test(function (t) {
t.add_cleanup(resetState);
let event = null;
invokee.addEventListener("command", (e) => (event = e), { once: true });
invokerbutton.command = command;
invokerbutton.click();
assert_true(event instanceof CommandEvent, "event is CommandEvent");
assert_equals(event.type, "command", "type");
assert_equals(event.bubbles, false, "bubbles");
assert_equals(event.composed, true, "composed");
assert_equals(event.isTrusted, true, "isTrusted");
assert_equals(event.command, command, "command");
assert_equals(event.target, invokee, "target");
assert_equals(event.source, invokerbutton, "source");
}, `setting custom command property to ${command} (must include dash) sets event command`);
test(function (t) {
t.add_cleanup(resetState);
let event = null;
invokee.addEventListener("command", (e) => (event = e), { once: true });
invokerbutton.setAttribute("command", command);
invokerbutton.click();
assert_true(event instanceof CommandEvent, "event is CommandEvent");
assert_equals(event.type, "command", "type");
assert_equals(event.bubbles, false, "bubbles");
assert_equals(event.composed, true, "composed");
assert_equals(event.isTrusted, true, "isTrusted");
assert_equals(event.command, command, "command");
assert_equals(event.target, invokee, "target");
assert_equals(event.source, invokerbutton, "source");
}, `setting custom command attribute to ${command} (must include dash) sets event command`);
},
);
// invalid custom invokeactions
["-foo", "-foo-", "foo-bar", "-foo bar", "—-emdash", "hidedocument"].forEach((command) => {
test(function (t) {
t.add_cleanup(resetState);
let event = null;
invokee.addEventListener("command", (e) => (event = e), { once: true });
invokerbutton.command = command;
invokerbutton.click();
assert_equals(event, null, "event should not have fired");
}, `setting custom command property to ${command} (no dash) did not dispatch an event`);
test(function (t) {
t.add_cleanup(resetState);
let event = null;
invokee.addEventListener("command", (e) => (event = e), { once: true });
invokerbutton.setAttribute("command", command);
invokerbutton.click();
assert_equals(event, null, "event should not have fired");
}, `setting custom command attribute to ${command} (no dash) did not dispatch an event`);
});
test(function (t) {
let called = false;
invokerbutton.addEventListener(
"click",
(event) => {
event.preventDefault();
},
{ once: true },
);
invokee.addEventListener(
"command",
(event) => {
called = true;
},
{ once: true },
);
invokerbutton.click();
assert_false(called, "event was not called");
}, "event does not dispatch if click:preventDefault is called");
test(function (t) {
let event = null;
invokee.addEventListener("command", (e) => (event = e), { once: true });
invalidbutton.click();
assert_equals(event, null, "command should not have fired");
}, "event does not dispatch on input[type=button]");
test(function (t) {
t.add_cleanup(resetState);
let called = false;
invokee.addEventListener("command", (e) => (called = true), { once: true });
invokerbutton.setAttribute("disabled", "");
invokerbutton.click();
assert_false(called, "event was not called");
}, "event does not dispatch if invoker is disabled");
test(function (t) {
t.add_cleanup(resetState);
let called = false;
invokee.addEventListener("command", (e) => (called = true), { once: true });
invokerbutton.setAttribute("form", "aform");
invokerbutton.removeAttribute("type");
invokerbutton.click();
assert_false(called, "event was not called");
}, "event does NOT dispatch if button is form associated, with implicit type");
test(function (t) {
t.add_cleanup(resetState);
let called = false;
invokee.addEventListener("command", (e) => (called = true), { once: true });
invokerbutton.setAttribute("form", "aform");
invokerbutton.setAttribute("type", "invalid");
invokerbutton.click();
assert_false(called, "event was not called");
}, "event does NOT dispatch if button is form associated, with explicit type=invalid");
test(function (t) {
t.add_cleanup(resetState);
let event;
invokee.addEventListener("command", (e) => (event = e), { once: true });
invokerbutton.setAttribute("form", "aform");
invokerbutton.setAttribute("type", "button");
invokerbutton.click();
assert_true(event instanceof CommandEvent, "event is CommandEvent");
assert_equals(event.type, "command", "type");
assert_equals(event.bubbles, false, "bubbles");
assert_equals(event.composed, true, "composed");
assert_equals(event.isTrusted, true, "isTrusted");
assert_equals(event.command, "--custom-command", "command");
assert_equals(event.target, invokee, "target");
assert_equals(event.source, invokerbutton, "source");
}, "event dispatches if button is form associated, with explicit type=button");
test(function (t) {
t.add_cleanup(resetState);
let called = false;
invokee.addEventListener("command", (e) => (called = true), { once: true });
invokerbutton.setAttribute("form", "aform");
invokerbutton.setAttribute("type", "submit");
invokerbutton.click();
assert_false(called, "event was not called");
}, "event does NOT dispatch if button is form associated, with explicit type=submit");
test(function (t) {
t.add_cleanup(resetState);
let called = false;
invokee.addEventListener("command", (e) => (called = true), { once: true });
invokerbutton.setAttribute("form", "aform");
invokerbutton.setAttribute("type", "reset");
invokerbutton.click();
assert_false(called, "event was called");
}, "event does NOT dispatch if button is form associated, with explicit type=reset");
test(function (t) {
svgInvokee = document.createElementNS("http://www.w3.org/2000/svg", "svg");
svgInvokee.setAttribute("id", "svg-invokee");
t.add_cleanup(resetState);
document.body.append(svgInvokee);
assert_false(svgInvokee instanceof HTMLElement);
assert_true(svgInvokee instanceof Element);
let event = null;
svgInvokee.addEventListener("command", (e) => (event = e), { once: true });
invokerbutton.setAttribute("commandfor", "svg-invokee");
invokerbutton.setAttribute("command", "--custom-command");
assert_equals(invokerbutton.commandForElement, svgInvokee);
invokerbutton.click();
assert_not_equals(event, null, "event was called");
assert_true(event instanceof CommandEvent, "event is CommandEvent");
assert_equals(event.source, invokerbutton, "event.invoker is set to right element");
assert_equals(event.target, svgInvokee, "event.target is set to right element");
}, "event dispatches if invokee is non-HTML Element");
</script>
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