public function testLexEmptyStringIntoAnEmptyStringToken()
{
$value = '';
$expected = [new Token('', new TokenType(TokenType::STRING_TYPE))];
$lexer = new EmptyValueLexer(new FakeLexer());
$actual = $lexer->lex('');
$this->assertEquals(count($expected), count($actual));
$this->assertEquals($expected, $actual);
}