hidden-idl.html - mozsearch

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This test has a WPT meta file that expects 3 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /html/editing/the-hidden-attribute/hidden-idl.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<link rel=author href="mailto:jarhar@chromium.org">

<link rel=help href="https://github.com/whatwg/html/pull/7475">

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<div>hello</div>

<script>

const div = document.querySelector('div');

function runPropertyTest(assignedValue, expectedValue, expectedAttribute) {

  test(() => {

    div.hidden = assignedValue;

    assert_equals(div.hidden, expectedValue,

      `div.hidden = ${JSON.stringify(assignedValue)} should return ${JSON.stringify(expectedValue)}`);

    assert_equals(div.getAttribute('hidden'), expectedAttribute,

      `div.hidden = ${JSON.stringify(assignedValue)} should set the hidden attribute to ${JSON.stringify(expectedAttribute)}`);

  }, `div.hidden = ${Number.isNaN(assignedValue) ? 'NaN' : JSON.stringify(assignedValue)}`);

function runAttributeTest(assignedAttribute, expectedValue) {

  test(() => {

    div.setAttribute('hidden', assignedAttribute);

    assert_equals(div.hidden, expectedValue);

  }, `div.setAttribute('hidden', ${JSON.stringify(assignedAttribute)}) should make div.hidden return ${JSON.stringify(expectedValue)}`);

runPropertyTest(false, false, null);

runPropertyTest(true, true, '');

runPropertyTest('foo', true, '');

runPropertyTest('false', true, '');

runPropertyTest('', false, null);

runAttributeTest('false', true);

runAttributeTest('foo', true);

runPropertyTest('until-found', 'until-found', 'until-found');

runPropertyTest('UNTIL-FOUND', 'until-found', 'until-found');

runPropertyTest('UnTiL-FoUnD', 'until-found', 'until-found');

runPropertyTest('unt\u0131l-found', true, '');

runPropertyTest('unt\u0130l-found', true, '');

runPropertyTest(null, false, null);

runPropertyTest(undefined, false, null);

runPropertyTest(1, true, '');

runPropertyTest(0, false, null);

runPropertyTest(NaN, false, null);

</script>