Make useOrWrap null input give null output

This commit is contained in:
2023-06-27 12:25:10 -05:00
parent a056c4618c
commit a62a1f10cd
2 changed files with 14 additions and 0 deletions

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@ -23,6 +23,7 @@ package com.kingsrook.qqq.backend.core.utils;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.Hashtable;
@ -558,6 +559,9 @@ class CollectionUtilsTest extends BaseTest
@Test
void testUseOrWrap()
{
assertNull(CollectionUtils.useOrWrap((Collection<?>) null, TypeToken.get(ArrayList.class)));
assertNull(CollectionUtils.useOrWrap((Map<?, ?>) null, TypeToken.get(HashMap.class)));
{
List<String> originalList = new ArrayList<>(List.of("A", "B", "C"));
ArrayList<String> reallyArrayList = CollectionUtils.useOrWrap(originalList, new TypeToken<>() {});