function testUpdate()
{
//Arrange
$due_date = '2015-10-10';
$book_id = 1;
$id = 1;
$test_copy = new Copy($due_date, $book_id, $id);
$test_copy->save();
$new_due_date = '2015-11-11';
//Act
$test_copy->update($new_due_date);
//Assert
$this->assertEquals('2015-11-11', $test_copy->getDueDate());
}
function testUpdate()
{
$book_title = "Snow Crash";
$id = null;
$test_book = new Book($book_title, $id);
$test_book->save();
$test_copy = new Copy($amount = 1, $test_book->getId());
$test_copy->save();
$new_amount = $amount + 1;
$test_copy->update($new_amount);
$this->assertEquals(2, $test_copy->getAmount());
}
