core-js/tests/unit-global/es.string.raw.js

QUnit.test('String.raw', assert => {
  const { raw } = String;
  assert.isFunction(raw);
  assert.arity(raw, 1);
  assert.name(raw, 'raw');
  assert.looksNative(raw);
  assert.nonEnumerable(String, 'raw');
  assert.same(raw({ raw: ['Hi\\n', '!'] }, 'Bob'), 'Hi\\nBob!', 'raw is array');
  assert.same(raw({ raw: 'test' }, 0, 1, 2), 't0e1s2t', 'raw is string');
  assert.same(raw({ raw: 'test' }, 0), 't0est', 'lacks substituting');
  assert.same(raw({ raw: [] }), '', 'empty template');

  if (typeof Symbol == 'function' && !Symbol.sham) {
    const symbol = Symbol('raw test');
    assert.throws(() => raw({ raw: [symbol] }, 0), TypeError, 'throws on symbol #1');
    assert.throws(() => raw({ raw: 'test' }, symbol), TypeError, 'throws on symbol #2');
  }

  assert.throws(() => raw({}), TypeError);
  assert.throws(() => raw({ raw: null }), TypeError);
});