зеркало из https://github.com/mozilla/gecko-dev.git
42 строки
1.6 KiB
HTML
42 строки
1.6 KiB
HTML
<!doctype html>
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<title>Test for bug 1544826</title>
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<script src="/tests/SimpleTest/SimpleTest.js"></script>
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<script src="/tests/SimpleTest/EventUtils.js"></script>
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<div id="host"><a href="#" id="slotted">This is focusable too</a></div>
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<script>
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const host = document.getElementById("host");
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const shadow = host.attachShadow({ mode: "open" });
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shadow.innerHTML = `
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<a id="shadow-1" href="#">This is focusable</a>
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<slot></slot>
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<a id="shadow-2" href="#">So is this</a>
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`;
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document.documentElement.remove();
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document.appendChild(host);
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SimpleTest.waitForExplicitFinish();
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SimpleTest.waitForFocus(async function() {
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// Enable Full Keyboard Access emulation on Mac.
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if (navigator.platform.indexOf("Mac") === 0) {
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await SpecialPowers.pushPrefEnv({"set": [["accessibility.tabfocus", 7]]});
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}
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is(document.documentElement, host, "Host is the document element");
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host.offsetTop;
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synthesizeKey("KEY_Tab");
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is(shadow.activeElement.id, "shadow-1", "First link in Shadow DOM is focused");
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synthesizeKey("KEY_Tab");
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is(document.activeElement.id, "slotted", "Slotted link is focused");
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synthesizeKey("KEY_Tab");
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is(shadow.activeElement.id, "shadow-2", "Second link in Shadow DOM is focused");
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// Now backwards.
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synthesizeKey("KEY_Tab", {shiftKey: true});
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is(document.activeElement.id, "slotted", "Backwards: Slotted link is focused");
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synthesizeKey("KEY_Tab", {shiftKey: true});
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is(shadow.activeElement.id, "shadow-1", "Backwards: First slotted link is focused");
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SimpleTest.finish();
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});
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</script>
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