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Copy pathOrderedMergeTest.java
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105 lines (85 loc) · 3.13 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 java.util.Comparator;
import org.junit.Test;
public class OrderedMergeTest {
@Test
public void normalArray() {
@SuppressWarnings("unchecked")
Ix<Integer> source = Ix.orderedMergeArray(Ix.fromArray(1, 3), Ix.fromArray(2, 4, 5));
IxTestHelper.assertValues(source, 1, 2, 3, 4, 5);
IxTestHelper.assertNoRemove(source);
}
@Test
public void normalIterable() {
@SuppressWarnings("unchecked")
Ix<Integer> source = Ix.orderedMerge(Ix.fromArray(Ix.fromArray(1, 3), Ix.fromArray(2, 4, 5)));
IxTestHelper.assertValues(source, 1, 2, 3, 4, 5);
IxTestHelper.assertNoRemove(source);
}
@Test
@SuppressWarnings("unchecked")
public void firstEmptyArray() {
Ix<Integer> source = Ix.orderedMergeArray(Ix.<Integer>empty(), Ix.fromArray(2, 4, 5));
IxTestHelper.assertValues(source, 2, 4, 5);
}
@Test
@SuppressWarnings("unchecked")
public void secondEmptyArray() {
Ix<Integer> source = Ix.orderedMergeArray(Ix.fromArray(1, 3), Ix.<Integer>empty());
IxTestHelper.assertValues(source, 1, 3);
}
@Test
@SuppressWarnings("unchecked")
public void bothEmptyArray() {
Ix<Integer> source = Ix.orderedMergeArray(Ix.<Integer>empty(), Ix.<Integer>empty());
IxTestHelper.assertValues(source);
}
@Test
public void comparatorArray() {
@SuppressWarnings("unchecked")
Ix<Integer> source = Ix.orderedMergeArray(
new Comparator<Integer>() {
@Override
public int compare(Integer o1, Integer o2) {
return o2.compareTo(o1);
}
},
Ix.fromArray(3, 1), Ix.fromArray(5, 4, 2));
IxTestHelper.assertValues(source, 5, 4, 3, 2, 1);
IxTestHelper.assertNoRemove(source);
}
@Test
public void comparatorIterable() {
@SuppressWarnings("unchecked")
Ix<Integer> source = Ix.orderedMerge(Ix.fromArray(Ix.fromArray(3, 1), Ix.fromArray(5, 4, 2)),
new Comparator<Integer>() {
@Override
public int compare(Integer o1, Integer o2) {
return o2.compareTo(o1);
}
}
);
IxTestHelper.assertValues(source, 5, 4, 3, 2, 1);
IxTestHelper.assertNoRemove(source);
}
@Test
public void lotsOfIterables() {
Ix<Integer> source = Ix.orderedMerge(Ix.repeatValue(Ix.just(1), 30)).sumInt();
IxTestHelper.assertValues(source, 30);
}
}