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add method addIfNotNull

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This commit is contained in:
darin.kelkhoff
2024-12-13 10:56:46 -06:00
parent edec6d64e3
commit 21a5c98376
2 changed files with 33 additions and 0 deletions
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21
qqq-backend-core/src/test/java/com/kingsrook/qqq/backend/core/utils/CollectionUtilsTest.java
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@ -26,10 +26,12 @@ import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Hashtable;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
import java.util.function.Function;
import com.google.gson.reflect.TypeToken;
@ -618,4 +620,23 @@ class CollectionUtilsTest extends BaseTest
4, Map.of("B", "B4")), output);
}
/*******************************************************************************
**
*******************************************************************************/
@Test
void testAddIfNotNull()
{
HashSet<String> s = new HashSet<>();
CollectionUtils.addIfNotNull(s, null);
assertEquals(Set.of(), s);
CollectionUtils.addIfNotNull(s, "");
assertEquals(Set.of(""), s);
CollectionUtils.addIfNotNull(s, "1");
assertEquals(Set.of("", "1"), s);
}
}