content: import React from 'react';
  import { getDOMNode } from '@test/testUtils';
  
  import Button from '../../Button';
  import ButtonGroup from '../../ButtonGroup';
  import ButtonToolbar from '../ButtonToolbar';
  
  describe('ButtonToolbar', () => {
    it('Should output a button toolbar', () => {
      const instance = getDOMNode(
        <ButtonToolbar>
          <ButtonGroup>
            <Button>Title</Button>
          </ButtonGroup>
        </ButtonToolbar>
      );
      assert.equal(instance.nodeName, 'DIV');
      assert.ok(instance.className.match(/\bbtn-toolbar\b/));
      assert.equal(instance.getAttribute('role'), 'toolbar');
    });
  
    it('Should have a custom className', () => {
      const instance = getDOMNode(<ButtonToolbar className="custom" />);
      assert.include(instance.className, 'custom');
    });
  
    it('Should have a custom style', () => {
      const fontSize = '12px';
      const instance = getDOMNode(<ButtonToolbar style={{ fontSize }} />);
      assert.equal(instance.style.fontSize, fontSize);
    });
  
    it('Should have a custom className prefix', () => {
      const instance = getDOMNode(<ButtonToolbar classPrefix="custom-prefix" />);
      assert.ok(instance.className.match(/\bcustom-prefix\b/));
    });
  });
  