public function testValueByIntrospect()
{
$expected = "'string'";
$result = $this->_db->value("string");
$this->assertInternalType('string', $result);
$this->assertEqual($expected, $result);
$expected = "'''this string is escaped'''";
$result = $this->_db->value("'this string is escaped'");
$this->assertInternalType('string', $result);
$this->assertEqual($expected, $result);
$this->assertIdentical("'t'", $this->_db->value(true));
$this->assertIdentical(1, $this->_db->value('1'));
$this->assertIdentical(1.1, $this->_db->value('1.1'));
}