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add nonNullArray and mergeLists

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darin.kelkhoff
2023-01-19 16:11:54 -06:00
parent f9408716ac
commit 1c150e207a
2 changed files with 82 additions and 0 deletions
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45
qqq-backend-core/src/test/java/com/kingsrook/qqq/backend/core/utils/CollectionUtilsTest.java
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@ -30,6 +30,7 @@ import java.util.Map;
import java.util.function.Function;
import com.kingsrook.qqq.backend.core.BaseTest;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertArrayEquals;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNull;
@ -499,4 +500,48 @@ class CollectionUtilsTest extends BaseTest
assertEquals(list, accumulator);
}
/*******************************************************************************
**
*******************************************************************************/
@Test
void testNonNullArray()
{
assertArrayEquals(new Integer[] { }, CollectionUtils.nonNullArray(null));
assertArrayEquals(new Integer[] { }, CollectionUtils.nonNullArray(new Integer[] { }));
assertArrayEquals(new Integer[] { 1, 2, 3 }, CollectionUtils.nonNullArray(new Integer[] { 1, 2, 3 }));
}
/*******************************************************************************
**
*******************************************************************************/
@Test
void testNonNullList()
{
assertEquals(List.of(), CollectionUtils.nonNullList(null));
assertEquals(List.of(), CollectionUtils.nonNullList(List.of()));
assertEquals(List.of(1, 2, 3), CollectionUtils.nonNullList(List.of(1, 2, 3)));
}
/*******************************************************************************
**
*******************************************************************************/
@Test
void testMergeLists()
{
assertEquals(List.of(), CollectionUtils.mergeLists());
assertEquals(List.of(), CollectionUtils.mergeLists((List<Object>) null));
assertEquals(List.of(), CollectionUtils.mergeLists((List<Object>[]) null));
assertEquals(List.of(), CollectionUtils.mergeLists(List.of()));
assertEquals(List.of(1, 2, 3), CollectionUtils.mergeLists(List.of(1, 2, 3)));
assertEquals(List.of(1, 2, 3), CollectionUtils.mergeLists(List.of(1, 2), List.of(3)));
assertEquals(List.of(1, 2, 3), CollectionUtils.mergeLists(List.of(1, 2), null, List.of(3)));
assertEquals(List.of(1, 2, 3), CollectionUtils.mergeLists(null, List.of(1, 2, 3), null));
}
}