MathUtilsTest.java
package net.splitcells.dem.utils;
import net.splitcells.dem.data.set.list.Lists;
import org.junit.jupiter.api.Test;
import static net.splitcells.dem.data.set.list.Lists.list;
import static net.splitcells.dem.utils.MathUtils.sumsForTarget;
import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
public class MathUtilsTest {
@Test
public void testSumsForTargetWithOneResult() {
assertThat(sumsForTarget(1, list(1))).isEqualTo(list(list(1)));
}
@Test
public void testSumsForTargetWithMultipleResults() {
assertThat(sumsForTarget(2, list(1))).isEqualTo(list(list(1, 1)));
assertThat(sumsForTarget(3, list(1, 2, 3)))
.isEqualTo(list
(list(1, 1, 1)
, list(1, 2)
, list(2, 1)
, list(3)));
}
}