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/* testreadonlycollection.vala
*
* Copyright (C) 2008 Jürg Billeter
* Copyright (C) 2009 Didier Villevalois
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Author:
* Tomaž Vajngerl <quikee@gmail.com>
* Julien Peeters <contact@julienpeeters.fr>
*/
using Gee;
public class ReadOnlyCollectionTests : Gee.TestCase {
public ReadOnlyCollectionTests () {
this.with_name ("ReadOnlyCollection");
}
public ReadOnlyCollectionTests.with_name (string name) {
base (name);
add_test ("[ReadOnlyCollection] unique read-only view instance",
test_unique_read_only_view_instance);
add_test ("[ReadOnlyCollection] immutable iterator", test_immutable_iterator);
add_test ("[ReadOnlyCollection] immutable", test_immutable);
add_test ("[ReadOnlyCollection] accurate view", test_accurate_view);
}
protected Collection<string> test_collection;
protected Collection<string> ro_collection;
public override void set_up () {
test_collection = new HashMultiSet<string> ();
ro_collection = get_ro_view (test_collection);
}
public override void tear_down () {
test_collection = null;
ro_collection = null;
}
protected virtual Collection<string> get_ro_view (Collection<string> collection) {
return collection.read_only_view;
}
public void test_unique_read_only_view_instance () {
var another_ro_collection = get_ro_view (test_collection);
assert (ro_collection == another_ro_collection);
ro_collection.set_data ("marker", new Object ());
assert (another_ro_collection.get_data<Object> ("marker") != null);
another_ro_collection = null;
ro_collection = null;
another_ro_collection = get_ro_view (test_collection);
assert (another_ro_collection.get_data<Object> ("marker") == null);
// Check that the read-only view of the view is itself
assert (another_ro_collection == get_ro_view (another_ro_collection));
}
public void test_immutable_iterator () {
assert (test_collection.add ("one"));
assert (test_collection.add ("two"));
assert (ro_collection.size == 2);
assert (ro_collection.contains ("one"));
assert (ro_collection.contains ("two"));
Iterator<string> iterator = ro_collection.iterator ();
bool one_found = false;
bool two_found = false;
while (iterator.next ()) {
assert (iterator.valid);
switch(iterator.get ()) {
case "one":
assert (! one_found);
one_found = true;
break;
case "two":
assert (! two_found);
two_found = true;
break;
default:
assert_not_reached ();
}
}
assert (one_found);
assert (two_found);
assert (! iterator.has_next ());
assert (! iterator.next ());
iterator = ro_collection.iterator ();
assert (iterator.has_next ());
assert (iterator.next ());
assert (iterator.read_only);
if (Test.trap_fork (0, TestTrapFlags.SILENCE_STDOUT |
TestTrapFlags.SILENCE_STDERR)) {
iterator.remove ();
Posix.exit (0);
}
Test.trap_assert_failed ();
assert (ro_collection.size == 2);
assert (ro_collection.contains ("one"));
assert (ro_collection.contains ("two"));
}
public void test_immutable () {
assert (test_collection.add ("one"));
assert (ro_collection.size == 1);
assert (ro_collection.contains ("one"));
Collection<string> dummy = new ArrayList<string> ();
assert (dummy.add ("one"));
assert (dummy.add ("two"));
if (Test.trap_fork (0, TestTrapFlags.SILENCE_STDOUT |
TestTrapFlags.SILENCE_STDERR)) {
assert (ro_collection.add ("two"));
Posix.exit (0);
}
Test.trap_assert_failed ();
assert (ro_collection.size == 1);
assert (ro_collection.contains ("one"));
if (Test.trap_fork (0, TestTrapFlags.SILENCE_STDOUT |
TestTrapFlags.SILENCE_STDERR)) {
ro_collection.clear ();
Posix.exit (0);
}
Test.trap_assert_failed ();
assert (ro_collection.size == 1);
assert (ro_collection.contains ("one"));
if (Test.trap_fork (0, TestTrapFlags.SILENCE_STDOUT |
TestTrapFlags.SILENCE_STDERR)) {
assert (ro_collection.remove ("one"));
Posix.exit (0);
}
Test.trap_assert_failed ();
assert (ro_collection.size == 1);
assert (ro_collection.contains ("one"));
if (Test.trap_fork (0, TestTrapFlags.SILENCE_STDOUT |
TestTrapFlags.SILENCE_STDERR)) {
assert (ro_collection.add_all (dummy));
Posix.exit (0);
}
Test.trap_assert_failed ();
assert (ro_collection.size == 1);
assert (ro_collection.contains ("one"));
if (Test.trap_fork (0, TestTrapFlags.SILENCE_STDOUT |
TestTrapFlags.SILENCE_STDERR)) {
assert (ro_collection.remove_all (dummy));
Posix.exit (0);
}
Test.trap_assert_failed ();
assert (ro_collection.size == 1);
assert (ro_collection.contains ("one"));
assert (dummy.remove ("one"));
if (Test.trap_fork (0, TestTrapFlags.SILENCE_STDOUT |
TestTrapFlags.SILENCE_STDERR)) {
assert (ro_collection.retain_all (dummy));
Posix.exit (0);
}
Test.trap_assert_failed ();
assert (ro_collection.size == 1);
assert (ro_collection.contains ("one"));
}
public void test_accurate_view () {
Collection<string> dummy = new ArrayList<string> ();
assert (dummy.add ("one"));
assert (dummy.add ("two"));
assert (ro_collection.element_type == typeof (string));
assert (ro_collection.size == 0);
assert (ro_collection.is_empty);
assert (! ro_collection.contains ("one"));
assert (test_collection.add ("one"));
assert (ro_collection.size == 1);
assert (! ro_collection.is_empty);
assert (ro_collection.contains ("one"));
assert (test_collection.add ("two"));
assert (ro_collection.size == 2);
assert (! ro_collection.is_empty);
assert (ro_collection.contains ("one"));
assert (ro_collection.contains ("two"));
assert (ro_collection.contains_all (dummy));
assert (test_collection.remove ("one"));
assert (ro_collection.size == 1);
assert (! ro_collection.is_empty);
assert (! ro_collection.contains ("one"));
assert (ro_collection.contains ("two"));
assert (! ro_collection.contains_all (dummy));
test_collection.clear ();
assert (ro_collection.size == 0);
assert (ro_collection.is_empty);
assert (! ro_collection.contains ("one"));
assert (! ro_collection.contains ("two"));
}
}
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