/*
* Copyright 2015 Red Hat, Inc. and/or its affiliates.
*
* 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.optaplanner.core.impl.domain.valuerange.buildin.primlong;
import java.util.Random;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.*;
import static org.optaplanner.core.impl.testdata.util.PlannerAssert.*;
public class LongValueRangeTest {
@Test
public void getSize() {
assertEquals(10L, new LongValueRange(0L, 10L).getSize());
assertEquals(20L, new LongValueRange(100L, 120L).getSize());
assertEquals(40L, new LongValueRange(-15L, 25L).getSize());
assertEquals(0L, new LongValueRange(7L, 7L).getSize());
assertEquals(Long.MAX_VALUE - 2000L, new LongValueRange(-1000L, Long.MAX_VALUE - 3000L).getSize());
// IncrementUnit
assertEquals(5L, new LongValueRange(0L, 10L, 2L).getSize());
assertEquals(5L, new LongValueRange(-1L, 9L, 2L).getSize());
assertEquals(4L, new LongValueRange(100L, 120L, 5L).getSize());
}
@Test
public void get() {
assertEquals(3L, new LongValueRange(0L, 10L).get(3L).intValue());
assertEquals(103L, new LongValueRange(100L, 120L).get(3L).intValue());
assertEquals(-4L, new LongValueRange(-5L, 25L).get(1L).intValue());
assertEquals(1L, new LongValueRange(-5L, 25L).get(6L).intValue());
assertEquals(4L, new LongValueRange(-1000L, Long.MAX_VALUE - 3000L).get(1004L).intValue());
// IncrementUnit
assertEquals(6L, new LongValueRange(0L, 10L, 2L).get(3L).intValue());
assertEquals(5L, new LongValueRange(-1L, 9L, 2L).get(3L).intValue());
assertEquals(115L, new LongValueRange(100L, 120L, 5L).get(3L).intValue());
}
@Test
public void contains() {
assertEquals(true, new LongValueRange(0L, 10L).contains(3L));
assertEquals(false, new LongValueRange(0L, 10L).contains(10L));
assertEquals(false, new LongValueRange(0L, 10L).contains(null));
assertEquals(true, new LongValueRange(100L, 120L).contains(100L));
assertEquals(false, new LongValueRange(100L, 120L).contains(99L));
assertEquals(true, new LongValueRange(-5L, 25L).contains(-4L));
assertEquals(false, new LongValueRange(-5L, 25L).contains(-20L));
// IncrementUnit
assertEquals(true, new LongValueRange(0L, 10L, 2L).contains(2L));
assertEquals(false, new LongValueRange(0L, 10L, 2L).contains(3L));
assertEquals(true, new LongValueRange(-1L, 9L, 2L).contains(1L));
assertEquals(false, new LongValueRange(-1L, 9L, 2L).contains(2L));
assertEquals(true, new LongValueRange(100L, 120L, 5L).contains(115L));
assertEquals(false, new LongValueRange(100L, 120L, 5L).contains(114L));
}
@Test
public void createOriginalIterator() {
assertAllElementsOfIterator(new LongValueRange(0L, 7L).createOriginalIterator(), 0L, 1L, 2L, 3L, 4L, 5L, 6L);
assertAllElementsOfIterator(new LongValueRange(100L, 104L).createOriginalIterator(), 100L, 101L, 102L, 103L);
assertAllElementsOfIterator(new LongValueRange(-4L, 3L).createOriginalIterator(), -4L, -3L, -2L, -1L, 0L, 1L, 2L);
assertAllElementsOfIterator(new LongValueRange(7L, 7L).createOriginalIterator());
// IncrementUnit
assertAllElementsOfIterator(new LongValueRange(0L, 10L, 2L).createOriginalIterator(), 0L, 2L, 4L, 6L, 8L);
assertAllElementsOfIterator(new LongValueRange(-1L, 9L, 2L).createOriginalIterator(), -1L, 1L, 3L, 5L, 7L);
assertAllElementsOfIterator(new LongValueRange(100L, 120L, 5L).createOriginalIterator(), 100L, 105L, 110L, 115L);
}
@Test
public void createRandomIterator() {
Random workingRandom = mock(Random.class);
when(workingRandom.nextInt(anyInt())).thenReturn(3, 0);
assertElementsOfIterator(new LongValueRange(0L, 7L).createRandomIterator(workingRandom), 3L, 0L);
when(workingRandom.nextInt(anyInt())).thenReturn(3, 0);
assertElementsOfIterator(new LongValueRange(100L, 104L).createRandomIterator(workingRandom), 103L, 100L);
when(workingRandom.nextInt(anyInt())).thenReturn(3, 0);
assertElementsOfIterator(new LongValueRange(-4L, 3L).createRandomIterator(workingRandom), -1L, -4L);
assertAllElementsOfIterator(new LongValueRange(7L, 7L).createRandomIterator(workingRandom));
// IncrementUnit
when(workingRandom.nextInt(anyInt())).thenReturn(3, 0);
assertElementsOfIterator(new LongValueRange(0L, 10L, 2L).createRandomIterator(workingRandom), 6L, 0L);
when(workingRandom.nextInt(anyInt())).thenReturn(3, 0);
assertElementsOfIterator(new LongValueRange(-1L, 9L, 2L).createRandomIterator(workingRandom), 5L, -1L);
when(workingRandom.nextInt(anyInt())).thenReturn(3, 0);
assertElementsOfIterator(new LongValueRange(100L, 120L, 5L).createRandomIterator(workingRandom), 115L, 100L);
}
}