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Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
const TEST_URI = `data:text/html,<!DOCTYPE html>
<main>
<ul>
<li>First</li>
<li>Second</li>
</ul>
<ul id="myList">
<li id="myListItem1" class="inMyList">First</li>
<li id="myListItem2" class="inMyList">Second</li>
</ul>
<aside>Sidebar</aside>
</main>
`;
add_task(async function () {
const hud = await openNewTabAndConsole(TEST_URI);
let message = await executeAndWaitForResultMessage(
hud,
"$('main')",
"<main>"
);
ok(message, "`$('main')` worked");
message = await executeAndWaitForResultMessage(
hud,
"$('main > ul > li')",
"<li>"
);
ok(message, "`$('main > ul > li')` worked");
message = await executeAndWaitForResultMessage(
hud,
"$('main > ul > li').tagName",
"LI"
);
ok(message, "`$` result can be used right away");
message = await executeAndWaitForResultMessage(hud, "$('div')", "null");
ok(message, "`$('div')` does return null");
message = await executeAndWaitForErrorMessage(
hud,
"$(':foo')",
"':foo' is not a valid selector"
);
ok(message, "`$(':foo')` returns an error message");
message = await executeAndWaitForResultMessage(
hud,
"$('li', document.querySelector('ul#myList'))",
'<li id="myListItem1" class="inMyList">'
);
ok(message, "`$('li', document.querySelector('ul#myList'))` worked");
message = await executeAndWaitForErrorMessage(
hud,
"$('li', $(':foo'))",
"':foo' is not a valid selector"
);
ok(message, "`$('li', $(':foo'))` returns an error message");
message = await executeAndWaitForResultMessage(
hud,
"$('li', $('div'))",
"<li>"
);
ok(message, "`$('li', $('div'))` worked");
});