-string">'b'</span>
    expect(nextToken()).toBe <span class="hljs-string">'+'</span>
    expect(nextToken()).toBe <span class="hljs-literal">undefined</span>

    expect(result.messages).sameStructure [
      {type: <span class="hljs-string">'error'</span>,  code: <span class="hljs-string">'dsc.invalidExpression'</span>, value: expr, position: <span class="hljs-number">3</span>}
    ]</pre></div></div>
            
        </li>
        
        
        <li id="section-7">
            <div class="ann