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113 lines (79 loc) · 2.86 KB
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/*
* Copyright 2011-2016 David Karnok
*
* 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 ix;
import org.junit.Test;
public class UnionTest {
@Test
public void distinct() {
Ix<Integer> source = Ix.range(1, 5).union(Ix.range(6, 5));
IxTestHelper.assertValues(source, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10);
IxTestHelper.assertNoRemove(source);
}
@Test
public void overlap() {
Ix<Integer> source = Ix.range(1, 5).union(Ix.range(3, 5));
IxTestHelper.assertValues(source, 1, 2, 3, 4, 5, 6, 7);
IxTestHelper.assertNoRemove(source);
}
@Test
public void overlapReverse() {
Ix<Integer> source = Ix.range(3, 5).union(Ix.range(1, 5));
IxTestHelper.assertValues(source, 3, 4, 5, 6, 7, 1, 2);
IxTestHelper.assertNoRemove(source);
}
@Test
public void same() {
Ix<Integer> source = Ix.range(1, 5).union(Ix.range(1, 5));
IxTestHelper.assertValues(source, 1, 2, 3, 4, 5);
IxTestHelper.assertNoRemove(source);
}
@Test
public void firstInSecond() {
Ix<Integer> source = Ix.range(1, 3).union(Ix.range(1, 5));
IxTestHelper.assertValues(source, 1, 2, 3, 4, 5);
IxTestHelper.assertNoRemove(source);
}
@Test
public void secondInFirst() {
Ix<Integer> source = Ix.range(1, 5).union(Ix.range(1, 3));
IxTestHelper.assertValues(source, 1, 2, 3, 4, 5);
IxTestHelper.assertNoRemove(source);
}
@Test
public void firstEmpty() {
Ix<Integer> source = Ix.<Integer>empty().union(Ix.range(1, 5));
IxTestHelper.assertValues(source, 1, 2, 3, 4, 5);
IxTestHelper.assertNoRemove(source);
}
@Test
public void secondEmpty() {
Ix<Integer> source = Ix.range(1, 5).union(Ix.<Integer>empty());
IxTestHelper.assertValues(source, 1, 2, 3, 4, 5);
IxTestHelper.assertNoRemove(source);
}
@Test
public void bothEmpty() {
Ix<Integer> source = Ix.<Integer>empty().union(Ix.<Integer>empty());
IxTestHelper.assertValues(source);
IxTestHelper.assertNoRemove(source);
}
@Test
public void duplicates() {
Ix<Integer> source = Ix.fromArray(1, 2, 2, 1, 4, 5).union(Ix.fromArray(2, 3, 1, 5, 4));
IxTestHelper.assertValues(source, 1, 2, 4, 5, 3);
IxTestHelper.assertNoRemove(source);
}
}