public function testQuote()
 {
     $this->assertEquals("''' AND 1'", $this->queryBuilder->quote("' AND 1"));
     $quote1 = $this->queryBuilder->quote(1);
     $this->assertInternalType('integer', $quote1);
     $this->assertEquals(1, $quote1);
     $quote2 = $this->queryBuilder->quote('2');
     $this->assertInternalType('string', $quote2);
     $this->assertEquals('\'2\'', $quote2);
     $queryBuilder = $this->getMockForAbstractClass('SQL\\Base\\QueryBuilder');
     $quote3 = $queryBuilder->quote(1);
     $this->assertInternalType('integer', $quote3);
     $this->assertEquals(1, $quote3);
     $quote4 = $queryBuilder->quote('2');
     $this->assertInternalType('string', $quote4);
     $this->assertEquals('\'2\'', $quote4);
     $this->assertEquals("'\\' AND 1'", $queryBuilder->quote("' AND 1"));
 }