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make a new collection if given a null one as input.

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darin.kelkhoff
2023-05-01 14:17:25 -05:00
parent 5070502bde
commit 1a8ab34fe3
4 changed files with 79 additions and 17 deletions
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20
qqq-backend-core/src/test/java/com/kingsrook/qqq/backend/core/utils/collections/MutableListTest.java
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@ -22,9 +22,11 @@
package com.kingsrook.qqq.backend.core.utils.collections;
import java.util.LinkedList;
import java.util.List;
import com.kingsrook.qqq.backend.core.BaseTest;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertEquals;
/*******************************************************************************
@ -48,4 +50,22 @@ class MutableListTest extends BaseTest
list.remove(0);
}
/*******************************************************************************
**
*******************************************************************************/
@Test
void testNullInput()
{
List<Integer> list = new MutableList<>(null);
list.add(1);
assertEquals(1, list.size());
MutableList<Integer> mutableList = new MutableList<>(null, LinkedList::new);
mutableList.add(1);
assertEquals(1, mutableList.size());
assertEquals(LinkedList.class, mutableList.getUnderlyingList().getClass());
}
}

20
qqq-backend-core/src/test/java/com/kingsrook/qqq/backend/core/utils/collections/MutableMapTest.java
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@ -22,9 +22,11 @@
package com.kingsrook.qqq.backend.core.utils.collections;
import java.util.LinkedHashMap;
import java.util.Map;
import com.kingsrook.qqq.backend.core.BaseTest;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertEquals;
/*******************************************************************************
@ -48,4 +50,22 @@ class MutableMapTest extends BaseTest
map.putAll(Map.of("c", 3, "d", 4));
}
/*******************************************************************************
**
*******************************************************************************/
@Test
void testNullInput()
{
Map<Integer, String> map = new MutableMap<>(null);
map.put(1, "one");
assertEquals(1, map.size());
MutableMap<Integer, String> mutableMap = new MutableMap<>(null, LinkedHashMap::new);
mutableMap.put(1, "uno");
assertEquals(1, mutableMap.size());
assertEquals(LinkedHashMap.class, mutableMap.getUnderlyingMap().getClass());
}
}