/**
  * Ctor
  */
 public function testCtor()
 {
     $hydrator = new ClassMethods();
     $this->assertFalse($hydrator->getUnderscoreSeparatedKeys());
     $this->assertInstanceOf('\\Matryoshka\\Model\\Wrapper\\Mongo\\Hydrator\\NamingStrategy\\DefaultNamingStrategy', $hydrator->getNamingStrategy());
     $this->assertInstanceOf('\\Matryoshka\\Model\\Wrapper\\Mongo\\Hydrator\\Strategy\\MongoIdStrategy', $hydrator->getStrategy('_id'));
     $hydrator = new ClassMethods(true);
     $this->assertTrue($hydrator->getUnderscoreSeparatedKeys());
     $this->assertInstanceOf('\\Matryoshka\\Model\\Wrapper\\Mongo\\Hydrator\\NamingStrategy\\UnderscoreNamingStrategy', $hydrator->getNamingStrategy());
     $this->assertInstanceOf('\\Matryoshka\\Model\\Wrapper\\Mongo\\Hydrator\\Strategy\\MongoIdStrategy', $hydrator->getStrategy('_id'));
 }