core-js/tests/unit-pure/es.string.anchor.js

import anchor from 'core-js-pure/es/string/anchor';

QUnit.test('String#anchor', assert => {
  assert.isFunction(anchor);
  assert.same(anchor('a', 'b'), '<a name="b">a</a>', 'lower case');
  assert.same(anchor('a', '"'), '<a name="&quot;">a</a>', 'escape quotes');

  /* eslint-disable es/no-symbol -- safe */
  if (typeof Symbol == 'function') {
    const symbol = Symbol('anchor test');
    assert.throws(() => anchor(symbol, 'b'), 'throws on symbol context');
    assert.throws(() => anchor('a', symbol), 'throws on symbol argument');
  }
});