function test_passwordError()
 {
     $r = new Register();
     $r->passwordError("", "");
     $this->assertFalse(empty($r->noPassword));
     $this->assertFalse(empty($r->noConfirmPassword));
     $this->assertTrue(empty($r->noPasswordMatch));
     $r = new Register();
     $r->passwordError("klink", "klink");
     $this->assertTrue(empty($r->noPassword));
     $this->assertTrue(empty($r->noConfirmPassword));
     $this->assertTrue(empty($r->noPasswordMatch));
     $r = new Register();
     $r->passwordError("klink", "");
     $this->assertTrue(empty($r->noPassword));
     $this->assertFalse(empty($r->noConfirmPassword));
     $this->assertTrue(empty($r->noPasswordMatch));
     $r = new Register();
     $r->passwordError("", "klink");
     $this->assertFalse(empty($r->noPassword));
     $this->assertTrue(empty($r->noConfirmPassword));
     $this->assertTrue(empty($r->noPasswordMatch));
 }