/*
* Copyright 2011 Goldman Sachs.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.gs.collections.impl.bag.immutable;
import com.gs.collections.api.bag.Bag;
import com.gs.collections.api.bag.ImmutableBag;
import com.gs.collections.impl.factory.Bags;
import com.gs.collections.impl.test.Verify;
import org.junit.Assert;
import org.junit.Test;
public class ImmutableBagFactoryTest
{
@Test
public void immutables()
{
ImmutableBag<Object> immutableBag = Bags.immutable.of();
Verify.assertIterableSize(0, immutableBag);
Verify.assertIterableSize(4, Bags.immutable.of(1, 2, 2, 3));
ImmutableBag<Object> actual = Bags.immutable.ofAll(immutableBag);
Assert.assertSame(immutableBag, actual);
Assert.assertEquals(immutableBag, actual);
}
@Test
public void singletonBagCreation()
{
Bag<String> singleton = Bags.immutable.of("a");
Verify.assertInstanceOf(ImmutableSingletonBag.class, singleton);
}
}