/**
  * Test default return values.
  */
 public function testDefaultValues()
 {
     $r = new Review();
     $this->assertEquals('2001-01-01', $r->getReviewDate('Y-m-d'));
     $this->assertFalse($r->isModified(), "expected isModified() to be false");
     $acct = new BookstoreEmployeeAccount();
     $this->assertEquals(true, $acct->getEnabled());
     $this->assertFalse($acct->isModified());
     $acct->setLogin("testuser");
     $acct->setPassword("testpass");
     $this->assertTrue($acct->isModified());
 }