test_focus_radio.html

Enable keyboard shortcuts

<!doctype html>

<title>Test for input radio focus</title>

<script src="/tests/SimpleTest/SimpleTest.js"></script>

<script src="/tests/SimpleTest/EventUtils.js"></script>

<button id="before">before</button>

<fieldset>

  <legend>a</legend>

  <label><input id="a1" type="radio" name="a" checked>a1</label>

  <label><input id="a2" type="radio" name="a">a2</label>

</fieldset>

<fieldset>

  <legend>b</legend>

  <label><input id="b1" type="radio" name="b">b1</label>

  <label><input id="b2" type="radio" name="b" checked>b2</label>

</fieldset>

<fieldset>

  <legend>c</legend>

  <label><input id="c1" type="radio" name="c">c1</label>

  <label><input id="c2" type="radio" name="c">c2</label>

</fieldset>

<fieldset>

  <legend>d</legend>

  <label><input id="d1" type="radio" name="d" disabled>d1</label>

  <label><input id="d2" type="radio" name="d">d2</label>

  <label><input id="d3" type="radio" name="d" disabled>d3</label>

  <label><input id="d4" type="radio" name="d">d4</label>

</fieldset>

<button id="after">after</button>

<script>

  SimpleTest.waitForExplicitFinish();

  function expectFocusAfterKey(key, id) {

    const res = key.match(/(Shift\+)?(.*)/);

    const shiftKey = Boolean(res[1]);

    const rawKey = res[2];

    synthesizeKey(`KEY_${rawKey}`, { shiftKey });

    is(document.activeElement.id, id, `${id} is focused after ${key}`);

  SimpleTest.waitForFocus(async function() {

    await SpecialPowers.pushPrefEnv({"set": [["accessibility.tabfocus", 7]]});

    expectFocusAfterKey("Tab", "before");

    // a1 is checked.

    expectFocusAfterKey("Tab", "a1");

    // b2 is checked.

    expectFocusAfterKey("Tab", "b2");

    // Nothing is checked in group c, so c1 should get focus.

    expectFocusAfterKey("Tab", "c1");

    // d1 is disabled, so d2 should get focus.

    expectFocusAfterKey("Tab", "d2");

    expectFocusAfterKey("Tab", "after");

    expectFocusAfterKey("Shift+Tab", "d2");

    expectFocusAfterKey("Shift+Tab", "c1");

    expectFocusAfterKey("Shift+Tab", "b2");

    expectFocusAfterKey("Shift+Tab", "a1");

    expectFocusAfterKey("Shift+Tab", "before");

    expectFocusAfterKey("Tab", "a1");

    expectFocusAfterKey("ArrowDown", "a2");

    expectFocusAfterKey("Tab", "b2");

    // a2 is now checked, so shift+tab should focus it.

    expectFocusAfterKey("Shift+Tab", "a2");

    expectFocusAfterKey("Tab", "b2");

    expectFocusAfterKey("ArrowUp", "b1");

    expectFocusAfterKey("Shift+Tab", "a2");

    expectFocusAfterKey("Tab", "b1");

    expectFocusAfterKey("Tab", "c1");

    expectFocusAfterKey("ArrowDown", "c2");

    expectFocusAfterKey("Tab", "d2");

    expectFocusAfterKey("Shift+Tab", "c2");

    expectFocusAfterKey("Tab", "d2");

    // d3 is disabled, so down arrow should focus d4.

    expectFocusAfterKey("ArrowDown", "d4");

    expectFocusAfterKey("ArrowUp", "d2");

    expectFocusAfterKey("ArrowDown", "d4");

    // Down arrow should wrap at the bottom, skipping disabled.

    expectFocusAfterKey("ArrowDown", "d2");

    // Up arrow should wrap at the top.

    expectFocusAfterKey("ArrowUp", "d4");

    SimpleTest.finish();

});

</script>