/*
* JBoss, Home of Professional Open Source
* Copyright 2014, Red Hat, Inc., and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* 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 org.jboss.weld.tests.unit.util.collections;
import java.util.Set;
import java.util.stream.Stream;
import org.jboss.weld.util.collections.ImmutableSet;
import org.junit.Assert;
import org.junit.Test;
public class ImmutableSetTest {
@Test
public void testBuilder() {
Set<String> set = ImmutableSet.<String>builder().add("foo").add("bar").add("baz").build();
Assert.assertEquals(3, set.size());
Assert.assertTrue(set.contains("foo"));
Assert.assertTrue(set.contains("bar"));
Assert.assertTrue(set.contains("baz"));
}
@Test
public void testCollector() {
Set<String> set = Stream.of("foo", "bar", "baz", "foo", "bar").map((string) -> string + string).collect(ImmutableSet.collector());
Assert.assertEquals(3, set.size());
Assert.assertTrue(set.contains("foofoo"));
Assert.assertTrue(set.contains("barbar"));
Assert.assertTrue(set.contains("bazbaz"));
}
@Test
public void testAddAll() {
Set<String> set = ImmutableSet.<String>builder().addAll(new String[] { "foo", "bar", "baz" }).build();
Assert.assertEquals(3, set.size());
Assert.assertTrue(set.contains("foo"));
Assert.assertTrue(set.contains("bar"));
Assert.assertTrue(set.contains("baz"));
}
@Test(expected = IllegalArgumentException.class)
public void testAddNull() {
String foo = null;
ImmutableSet.<String>builder().add(foo).build();
}
}