@Test
public void testPrependToProtectedList() throws SyntaxException, InvalidTermException {
Context context = new CompileTimeContext();
// Create a protected resource.
ListResource list = new ListResource();
list = (ListResource) list.protect();
Element value = StringProperty.getInstance("OK");
Operation dml = Prepend.getInstance(null, list, value);
Element result = context.executeDmlBlock(dml);
// Check that the list argument has NOT been updated.
assertTrue(list.size() == 0);
// Verify that a copy has been made.
assertTrue(result != list);
// It must also be a list.
assertTrue(result instanceof ListResource);
// Verify that the new list has the correct value.
Element element = ((ListResource) result).get(TermFactory.create(0));
assertTrue(value == element);
}
@Test
public void testPrependToList() throws SyntaxException, InvalidTermException {
Context context = new CompileTimeContext();
ListResource list = new ListResource();
Element value = StringProperty.getInstance("OK");
Operation dml = Prepend.getInstance(null, list, value);
Element result = context.executeDmlBlock(dml);
// Check that the list argument has been updated.
assertTrue(list.size() == 1);
Element element = list.get(TermFactory.create(0));
assertTrue(value == element);
// Verify that the same list is given as the result.
assertTrue(result == list);
}
