function test_snapshots()
{
$s = new Dataface_Record('Profiles', array());
$snapshot =& $s->getSnapshot();
//$this->assertTrue(is_array($snapshot));
/*$temp = array();
foreach ( array_keys($snapshot) as $key){
if ( strlen($snapshot[$key]) > 0 ) $temp[$key] = $snapshot[$key];
}
$this->assertEquals(array(), $temp);
*/
$this->assertEquals(null, $snapshot);
$s->setValue('id', 10);
$s->setSnapshot();
$this->assertTrue($s->snapshotExists());
$expected = array();
foreach (array_keys($s->_table->fields()) as $field) {
$expected[$field] = null;
}
$expected['id'] = 10;
$this->assertEquals($expected, $s->getSnapshot());
$this->assertTrue(!$s->valueChanged('id'));
$this->assertTrue(!$s->valueChanged('fname'));
$s->setValue('id', 50);
$this->assertEquals($expected, $s->getSnapshot());
$this->assertTrue($s->valueChanged('id'));
$this->assertTrue(!$s->valueChanged('fname'));
$this->assertEquals(array('id' => 10), $s->snapshotKeys());
}
