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Test Info: Warnings
- This test gets skipped with pattern: http3 OR http2
- Manifest: devtools/server/tests/browser/browser.toml
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
"use strict";
// Checks for the NodeTabbingOrderHighlighter.
add_task(async function () {
await BrowserTestUtils.withNewTab(
{
gBrowser,
url: MAIN_DOMAIN + "doc_accessibility_infobar.html",
},
async function (browser) {
await SpecialPowers.spawn(browser, [], async function () {
const { require } = ChromeUtils.importESModule(
);
const {
HighlighterEnvironment,
const {
NodeTabbingOrderHighlighter,
// Checks for updated content for an infobar.
async function testShowHide(highlighter, node, index) {
const shown = highlighter.show(node, { index });
const infoBarText = highlighter.getElement("infobar-text");
ok(shown, "Highlighter is shown.");
is(
parseInt(infoBarText.getTextContent(), 10),
index,
"infobar text content is correct"
);
highlighter.hide();
}
// Start testing. First, create highlighter environment and initialize.
const env = new HighlighterEnvironment();
env.initFromWindow(content.window);
// Wait for loading highlighter environment content to complete before
// creating the highlighter.
await new Promise(resolve => {
const doc = env.document;
function onContentLoaded() {
if (
doc.readyState === "interactive" ||
doc.readyState === "complete"
) {
resolve();
} else {
doc.addEventListener("DOMContentLoaded", onContentLoaded, {
once: true,
});
}
}
onContentLoaded();
});
// Now, we can test the Infobar's index content.
const node = content.document.createElement("div");
content.document.body.append(node);
const highlighter = new NodeTabbingOrderHighlighter(env);
await highlighter.isReady;
info("Showing Node tabbing order highlighter with index");
await testShowHide(highlighter, node, 1);
info("Showing Node tabbing order highlighter with new index");
await testShowHide(highlighter, node, 9);
info(
"Showing and highlighting focused node with the Node tabbing order highlighter"
);
highlighter.show(node, { index: 1 });
highlighter.updateFocus(true);
const { classList } = highlighter.getElement("root");
ok(classList.contains("focused"), "Focus styling is applied");
highlighter.updateFocus(false);
ok(!classList.contains("focused"), "Focus styling is removed");
highlighter.hide();
});
}
);
});